How Do I Calculate the Thrust Produced by a Propeller and Motor

Why Does This 757 Have a Propeller Engine Attached to the Fuselage?

From the description below the image you linked:The Honeywell, Boeing 757 test bed appeared on static display for a few days before departing half way through the event.A testbed aircraft is an aircraft used for flight research or testing new equipment such as engines.You can see other photos without engine or with a jet engine instead of a propeller one.The engine is not needed to fly, but is being tested, and apparently that position has been deemed a good solution to the problem "where do we attach an extra engine we need to do tests on?"I saw the following photo of a Honeywell Aviation Services Boeing 757-225:If it's not a fake, the airplane has a propeller mounted on a pylon on one side.What's the purpose of such strange design? Why does it need a propeller engine, if it already has two jet engines? Or is it a permanently deployed RAT?Â·OTHER ANSWER:I saw the following photo of a Honeywell Aviation Services Boeing 757-225:If it's not a fake, the airplane has a propeller mounted on a pylon on one side.What's the purpose of such strange design? Why does it need a propeller engine, if it already has two jet engines? Or is it a permanently deployed RAT?

How to Choose the Right Propeller/motor Combination for a Quadcopter?

Choosing the correct prop/motor combination can be challenging. Even worse, the vast majority of RC motors will have vague or non-existant specifications. This makes it very hard to do "real" math. Instead you will have to rely on prop thrust ratings or use a known combination that other people have tested.Propellers: Manueverability of a quad is dependent on how quickly you can change the thrust (how fast you can change the RPM of the props). A smaller prop is easier to speed up and slow down whereas a large prop takes a very long time to change speeds. Beyond a certain size you essentially are unable to fly. This is why you see hexacoptors and octocopters that use more, smaller props instead of giant quadrotors.On the flipside, propeller efficiency is related to the area of a prop (or radius squared) so a small increase in prop diameter will make the quad vastly more efficient.The faster you want to go, the more aggressive a pitch you want. Since quadrotors are generally hovering this means you want the lowest pitch available. If you want to go somewhere fast a higher pitch might be apropriate.Motors: Generally you just choose a motor that matches the given prop. Having a motor that is too large will be heavy, and a motor that is too small will perform poorly or burn up.A smaller prop requires a higher RPM motor because they must spin faster to generate equivalent lift.If you put everything together, an efficient quad will have properly sized, low RPM motors with very large props. An acrobatic quad will want smaller, more aggressive props, faster motors, and you might even overvolt the motors for faster response.While you will be hard pressed to find torque curves for Rc motors, you will have thrust and current ratings for a given prop which makes it fairly straightforward to determine how much you can lift and approximately how long you can fly once you have chosen a combinatoin.As a general rule you want a 2:1 thrust/weight ratio for a standard quad and 3:1 or higher for something acrobatic. 1.5:1 has been known to fly.1. Need a propeller for Science Olympiad Maglev?1. I am guessing a ducted fan with something like a "fence" in front. The "fence" should be designed for such that it is optimized for not impeding the flow2. Is the total lift of a quadcopter the sum of the lift from each propeller?Yes. 490 490 490 490 = 1960. For practical purposes, the thrusts from individual rotors do not interfere constructively or destructively: they neither cancel each other out, nor do they help each other. This case is pretty much the same as multiple propellers mounted on a fixed wing.The situation becomes more complicated only if some rotors overlap, or are coaxial.3. Why is a propeller on the back of a boat and not front?My boat has a propeller on the bow (the front part of the boat) -- it's attached to an electric motor (referred to as a "trolling motor"), and used as a positioning thruster. It's a very efficient way to move the boat at slow speeds, and easy to manuver. Steering is accomplished by swiveling the motor to vector the thrust in whatever direction I want the boat to go. The main powerplant, however is in the stern (back of the boat). This is the best way to move at high speeds, because the strategy employed to overcome the significant hydrodynamic drag created by the friction of the hull moving through the water is to lift as much of the hull out of the water as possible, so that the hull is hydroplaning across the surface rather than plowing through water. The propeller must be in the stern in order for this to work, because it has to stay in the water, whereas the bow is out of the water. The trolling motor is stowed for this phase of travel.4. What's more reliable a jet or propeller engine?Some of the answers may be confusing. People seem to be comparing jet engines and piston engines. but in boating a jet boat is one that is driven by a piston engine that pumps the water from the bottom of the boat to out the back. A jet boat can go in very shallow water because there is no prop shaft sticking out below the boat. It is also safer because there is no spinning prop to endanger swimmers. It is a fairly simply drive system. The early jet boats had car engines and irrigation pumps

How Long Will a AA Battery Last When Powering a 1.5v Motor with a Propeller?

You need to know how much current is drawn by the motor and the amp-hour (Ah) or milliamp-hour (mAh) rating of the battery. For example, a typical alkaline AA battery has a rating of 2700 mAh, so a motor drawing 1 amp should run for roughly 2.7 hours1. What are some drawbacks to having a wingtip propeller on an aircraft?Another non-flying attribute that having a wingtip-mounted propeller can drive is landing gear length. Since there are minimum clearance distances for propeller tip to ground during taxiing, and the wings may sag or dip during a turn while taxiing, you may end up having to change your gear length (which can cause other issues in turn)2. Is liquid hydrogen rocket propeller pollution free?Hydrogen is not quite pollution-free when it burns in air; some of the nitrogen will form NOx in the high-temperature environment. In a rocket with hydrogen and purified oxygen we get pure water in the combustion reaction but the hot exhaust can still form some NOx in air. Still, this is a lot less polluting (and more efficient for the rocket) than carbon-bearing fuels.3. Why 6 propeller and 4 jet engines on one plane?They are only designed to go forward. I know, sounds weird, but the wings on an airplane are really only made to provide lift so the thing can fly, in one direction. They can only go forward, or some version of it. Helicopters, on the other hand, have their "wings" or rotors, going around in circles overhead, all the time. They do not get to fly as fast, going forward, but they can hover and go in any direction where airplanes can not . Yeah, that includes backwards, helicopters can go backwards too. If you want bird versions of this, an albatross would be a good example of an airplane, great at going forward, but awkward to a non-flier in other directions (unless we are talking wide, gradual turns). A hummingbird would be more like a helicopter. ^__^ Hope this helps. Thanks for your time. Edit: My apologies for only thinking of going backwards in mid-air4. Which rc boat propeller is more effective for my purpose?i could look at cannibalising a fan form propeller from one in all those underwater pumps which you place into landscaping ponds and koi ponds. you know, those that pump the water up and out to make a waterfall action. i've got observed the little props in them and that they are approximately 2 a million/2 inches extensive with a pair of million/8 inch inner shaft with 4 or 5 blades. and the earnings of those props is they are designed to run approximately 5000 rpm at max performance, almost appropriate for a weedeater motor5. When can I find a propeller?Not in the AIRCRAFT forum. Try again6. What would be the most sad thing to see get chopped up by a boat propeller- a mermaid, a dolphin or a whale?i go for the mermaid they usually going around flashing their boobs...blah!7. How does a small propeller makes a big speed boat go?or ya could sink it and collect insurance money8. If you were to build a 4 engine (propeller), 6 pass., exp. aircraft, what engines would you use? Why?You could use pretty small engines for that, I've flown a six passenger aircraft with 300hp, single engine, or 400hp in a twin, so if you used something around 100hp each you should have more than enough power. It would be pretty silly however, when you can get a single-engine or twin that will really do the job you are asking.9. What's more reliable a jet or propeller engine?Oars !10. How does an airship propeller work?The propeller is spun by a motor or an engine, just like the propeller of an airplane. it acts like a wing does (in fact is is shaped similarly to a wing in cross section) Aircraft propellers work on the same principle as the aerodynamic lift created by air passing over a wing. The cross section of a wing will show that the upper surface creates a drop in air pressure allowing air to pass quicker on the upper side as compared to the lower side. Thus causing lift to occur.

How Long Will a AA Battery Last When Powering a 1.5v Motor with a Propeller?

You need to know how much current is drawn by the motor and the amp-hour (Ah) or milliamp-hour (mAh) rating of the battery. For example, a typical alkaline AA battery has a rating of 2700 mAh, so a motor drawing 1 amp should run for roughly 2.7 hours1. What are some drawbacks to having a wingtip propeller on an aircraft?Another non-flying attribute that having a wingtip-mounted propeller can drive is landing gear length. Since there are minimum clearance distances for propeller tip to ground during taxiing, and the wings may sag or dip during a turn while taxiing, you may end up having to change your gear length (which can cause other issues in turn)2. Is liquid hydrogen rocket propeller pollution free?Hydrogen is not quite pollution-free when it burns in air; some of the nitrogen will form NOx in the high-temperature environment. In a rocket with hydrogen and purified oxygen we get pure water in the combustion reaction but the hot exhaust can still form some NOx in air. Still, this is a lot less polluting (and more efficient for the rocket) than carbon-bearing fuels.3. Why 6 propeller and 4 jet engines on one plane?They are only designed to go forward. I know, sounds weird, but the wings on an airplane are really only made to provide lift so the thing can fly, in one direction. They can only go forward, or some version of it. Helicopters, on the other hand, have their "wings" or rotors, going around in circles overhead, all the time. They do not get to fly as fast, going forward, but they can hover and go in any direction where airplanes can not . Yeah, that includes backwards, helicopters can go backwards too. If you want bird versions of this, an albatross would be a good example of an airplane, great at going forward, but awkward to a non-flier in other directions (unless we are talking wide, gradual turns). A hummingbird would be more like a helicopter. ^__^ Hope this helps. Thanks for your time. Edit: My apologies for only thinking of going backwards in mid-air4. Which rc boat propeller is more effective for my purpose?i could look at cannibalising a fan form propeller from one in all those underwater pumps which you place into landscaping ponds and koi ponds. you know, those that pump the water up and out to make a waterfall action. i've got observed the little props in them and that they are approximately 2 a million/2 inches extensive with a pair of million/8 inch inner shaft with 4 or 5 blades. and the earnings of those props is they are designed to run approximately 5000 rpm at max performance, almost appropriate for a weedeater motor5. When can I find a propeller?Not in the AIRCRAFT forum. Try again6. What would be the most sad thing to see get chopped up by a boat propeller- a mermaid, a dolphin or a whale?i go for the mermaid they usually going around flashing their boobs...blah!7. How does a small propeller makes a big speed boat go?or ya could sink it and collect insurance money8. If you were to build a 4 engine (propeller), 6 pass., exp. aircraft, what engines would you use? Why?You could use pretty small engines for that, I've flown a six passenger aircraft with 300hp, single engine, or 400hp in a twin, so if you used something around 100hp each you should have more than enough power. It would be pretty silly however, when you can get a single-engine or twin that will really do the job you are asking.9. What's more reliable a jet or propeller engine?Oars !10. How does an airship propeller work?The propeller is spun by a motor or an engine, just like the propeller of an airplane. it acts like a wing does (in fact is is shaped similarly to a wing in cross section) Aircraft propellers work on the same principle as the aerodynamic lift created by air passing over a wing. The cross section of a wing will show that the upper surface creates a drop in air pressure allowing air to pass quicker on the upper side as compared to the lower side. Thus causing lift to occur.

What Are Some Ways to Keep My Hair Really Healthy?

Use professional shampoo & conditioner. I know it may seem like a rip-off, however all the shampoos like Pantene, Garnier, etc. have a high alcohol content....since the normal pH of your hair is 4.5-5.5, things containing high amounts of alcohol throw your hair all out of whack and cause breakage, split-ends, fly-aways, etc. The reason these shampoos make your hair feel soft is because they contain high amounts of humectants, which are just a cover for how damaging they really are! Another tip is ALWAYS use a thermal protector while applying heat. Heat appliances cause tons of damage to your hair. Usually this is a cream/clear gel you apply before blow drying. Never use a flat iron on hair that is not completely dry!1. Split End Help. ( 10 Points) !!!!!!!!!!!!!!!!!!!!!!?For sure you should get a trim and maybe even cut your hair as short as you are comfortable doing it. You should for no reason straighten or dye your hair. Look for some Garnier Fructis or Pantene shampoos and conditioner for curly hair so that it extra moisturizes it and helps the split ends repair themselves. I say from experience that ppl with curly hair have really bad split ends, which is why we have special stuff in our hair products. The split ends wont magically go away in like a month or a few weeks, but you will see improvement after a while. Oh, and for sure DO NOT PICK THEM OFF!! It will just make it worse. Every two months until your hair is healthy get a trim. just maybe half an inch or an inch will be just fine. Eventually your hair will go back to normal. Good luck with that!.2. Whats the best shampoo conditioner for cheap?clever or V05 are solid inexpensive ($a million) shampoos, yet whilst it is composed of conditioner i could bypass Tresemme ($6) it does an somewhat solid interest. i take advantage of salon shampoo because of the fact i am form of a hair snob, yet I nonetheless use the cheap conditioner. Pantene is undesirable on your hair (too plenty protein and reasons alot of greater build up on the hair) so i does not bypass there. desire this permits! My hair is oily, superb, and colour-taken care of if that helps you any!3. How can I get my curly hair to be nice like Taylor Swift?Haha i have the same hair long and curly..but not pretty curly! im completely obsessed with taylor and her hair so i did so playing with it and what you really NEED to get is the conair hot sticks!! they are these little flexible curlers and they are not very expensive and i would look like a frizz ball without them!! you can like get them at walmart. anyways what i do when iwear my hair curly is like i get up and get in the shower and wash it and condition it and this may sound weird but dont use a whole lot of conditioner just enough to get it done cause it will help your hair hold the curl the just get out and towel dry your hair till it is just damp and then put a curling mouse in it and frizz serum then finish blow drying it straight! and you know have the curlers on like when your gettin in the shower and then just make sure the little light is on meaning that they are hot enough and then seperate your hair into pretty small peices (if you have really thick hair then you might need to buy two sets cause they only have 14 in them and you use small sections) and then start from the botom of your hair and role it through your hair and pin it together youll see the instructions on how to pin them together and make sure you wrap it all the way to the top of your head and leave them for like 15 or 20 minutes while your finishin gettin ready and then use like a light hairspray about 5 minutes before you take them out then your done. i know this thing was really long but its not that hard lol!!!! hope i helped good luck!!!!!!!!

How Was the First Sale of Vivo X60 Series?

Zeiss lens has a history of 175 years. Its biggest advantage is its ultra-clear imaging ability. Generally, only using high-end cameras has become the dream of camera lovers around the world with its unique selling points such as color restoration, high resolution and almost no corner distortion. Why do you talk about dreams here? Because of its ultra-high price, ordinary people can only think but can not become a reality.On December 29, 2020, vivo X60 series, the first product jointly developed by vivo and Zeiss, was officially launched. All the series are equipped with Zeiss optical lenses as standard, which can be owned for a minimum of 3498 yuan. On January 8, vivo X60 series was officially launched. We can see that it won the double champions of JD platform sales sales, tmall platform sales sales, Suning platform sales sales, and also the double champions of online sales and sales. Besides Zeiss blessing, why is vivo X60 series so popular with the market and consumers?Ultra lightweight appearanceThe thickness of vivo X60 does not exceed 8mm, and the weight of vivo X60 does not exceed 180g (excluding the unpublished Super Cup). Among them, the vivo X60 is only 7.36mm thick, making it the lightest 5g mobile phone in the world, 0.04mm thinner than the iPhone 12 series. The slim and fashionable appearance and vivo's strict pursuit of technology and design create the unparalleled hand feel of vivo X60 series. If you don't believe it, you can try it in the offline experience store in person. You can't forget the feeling of holding it in your hand.Top imaging systemThe vivo X60 is equipped with Zeiss optical lens as standard. Whether it is the main camera, ultra wide angle or professional image lens, it is an optical lens jointly developed by both sides. The whole system is equipped with the second generation micro PTZ as standard. With these two hardware blessings and the image system jointly developed by vivo Zeiss, you can take a good picture at any light source and scene. You can learn from the comments of professional photographers on the imaging effect of vivo X60 series.Performance of flagship aircraftVivo X60 is the world's first Samsung Orion 1080 processor. The overall performance of this processor is lower than that of Xiaolong 865. It is much stronger than what MediaTek Tianji 1000 and Xiaolong 765G are used in the same level models. With the blessing of Samsung Orion 1080, vvio X60 is far more competitive than its competitors.

Huami Technology Held a Press Conference on August 27, and Amazfit Smart Sports Watch 3 Officially A

This morning, huami technology officially announced that it would hold the 2019 new product Conference on August 27. Then, Huang Wang, CEO of huami technology, posted the invitation letter for the new product Conference on his microblog. Huami technology distributed amazfit one-way wet guide short sleeved T-shirts and amazfit antelope running shoes to the media as physical invitations. The gift box vacated a watch position, which triggered extensive discussion in the media. Huang Wang also explained that this vacancy was actually reserved for the new amazfit intelligent movement watch 3.(invitation letter from Huang Wang, CEO of huami Technology)The theme of huami technology's 2019 new product launch is "run, amazfit! Run!", which is adapted from the classic line "run, Forrest! Run!" of Forrest Gump. With his pure love for sports, Forrest Gump, the protagonist in the film, runs across the United States. No matter how many difficulties and ridicules he encounters, he also doesn't give up. "Run, Forrest! Run!" is the symbolic line that Forrest Gump's mother encourages him, and Forrest Gump can persevere and succeed step by step. This spirit also inspires many people. According to Huang Wang's microblog, the amazfit smart sports watch 3 not only symbolizes huami technology's understanding and adherence to the sports spirit, but also has a taste of paying tribute to Forrest Gump.(theme poster of huami technology's 2019 new product launch)At present, huami technology has become a leading enterprise in the wearable field. With the power of technology, it promotes everyone in the world to enjoy better sports, health and medical services. Sports is undoubtedly an important part of the mission of huami technology. In the past amazfit smart watch products, we can also see a lot of improvements in sports functions.Taking the amazfit smart watch GTR released last month as an example, it provides 12 sports modes such as outdoor running, walking, outdoor cycling, indoor running, indoor cycling, open water swimming, swimming pool swimming, elliptical machine, mountaineering, cross-country running, skiing and exercise. Turn on the corresponding professional sports mode before sports, you can always understand your sports status and help improve sports efficiency.(huami technology amazfit smart watch GTR)Facing the professional sports market, huami technology has also launched several products of amazfit smart sports watches 1, 2 and 2S. It is worth mentioning that it has been a long time since huami technology last updated the smart sports watch series. With more and more attention to sports and healthy life, huami technology still needs to bring more stimulation to the sports watch market and further implement the mission of huami technology. This may also be an important reason why huami technology updates amazfit smart sports watch 3.In terms of function, at present, amazfit smart sports watch 2 has been equipped with 16 sports modes. According to Xiaobian's guess, amazfit smart sports watch 3 will be richer in sports modes to meet the sports monitoring needs of different users. With more powerful functions, the price of amazfit smart sports watch 3 may reach 2500 yuan, which is also the price level of mainstream sports watches at present. As for whether the new product has more professional sports function improvement, we still need to wait for the official answer on August 27.

Connect to Nonencrypted Wireless Network Using Ubuntu Commands

Connect to Nonencrypted Wireless Network Using Ubuntu Commandsthe output from /sbin/iwconfig wlan0 shows you are not associated with any APs.you will need to do /sbin/iwlist wlan0 scan to search for nearby APs, before, and in my experience, sometimes after, you set /sbin/iwconfig wlan0 essid "essid"again, the app wicd is quite nice for managing your wireless, without requiring a lot of extrasâ â â â â âhow to hack into a wireless network?While cracking a wireless security key is somewhat of a grey area legally, using someone elses internet without permission is a crime. But, a google search for WEP cracking might point you in right direction, but no recommended to do so.â â â â â âHow to network a house, both wireless and wired.?The best way would be to recreate the wired network, then set up a wireless network. Use a computer to bridge them togetherâ â â â â âIs it possible to extend the range of your wireless network?You have a couple of different options at your disposal. One is getting higher dbi gain antennas for your ROUTER. The second is adding a higher gain dbi antenna to your adapter (optionally, you can do both and really extend the range). Another is getting a range extender. The higher dbi gain antenna plugged into your router and adapter can really extend your network. Without any obstructions, and 15 dbi gain antennas, you can connect at about 2 miles away. The range extender might be a little cheaper. It plugs into an electrical socket and you run an ethernet cable right into it. This is good if you have quite a few walls in between you and router. Not practical if you do not like wires, you would be better off with the antennas. Regards, Brandonâ â â â â âIs it a good idea to download something from an unsecured network?If you see that a wireless network says it's "unsecured", this only means that that wireless network does not have a wireless password. Hence, you or anyone can readily connect to it without entering a password. There is minimal risk of you getting a virus just because of connecting to an "unsecured network", except probably if you go to a website or accidentally downloaded an email that has a virus attached to it - things of that sort. Another risk, although very negligible, is that other people who are connected to that same unsecured network may access your computer files given that you have set your computer files to be on SHARED mode. This is HARDLY ever the case, since you will need to grant that person permission via the Windows File Sharing application. So I tell you, it's okay.â â â â â âXBOX 360 WIRELESS NETWORK ADAPTER BYPASS?There are a number of possible solutions here, but they all depend on you having existing hardware that would cost significantly more than the adapter. Firstly, if you have/buy one of the new "slim" xbox 360s, they have wireless built in, so no need for an adapter. Second, if you have a computer connected to the internet near the 360, you can use the laptop as a wireless receiver, then run an ethernet (CAT5) cable from the laptop to your 360. Thirdly, if you have a computer nearby that is connected by a wired connection (cables through the roof etc) then you can use that computer as a router, and plug the xbox into the computer to share connection. If you just have an xbox 360 original in a room that has no wired connection or a computer connected to wireless, your only option is to buy the adapter.â â â â â âProblems with Wireless Network internet connectionWich encryption type do you use? Maybe the router is set to WPA or WPA2 but your PC does only support WEPâ â â â â âSetting up a wireless network..?1) Make sure you are on the same Workgroup, ie, both laptop and desktop have same name. 2) Make sure to turn off all software firewalls for setup puroses. 3) Install/enable file/print sharing in Network Connections. 4) Share a folder on each computer, I usually use c:temp, and then map them to each other computer. 5) sometimes you may have to install Netbios/IPX protocol. email/IM me for more help, Good luck!â â â â â âWireless network card installation problems.?Switch to a USB wireless. Some machines can not handle more than one or two cards, no matter what they can "hold"

Is Time Travel Possible? Can We Travel Back in Time?

There is no actual "correct." Einstein made a "theory," not a fact. If Einstein's theory is correct, we could theoretically travel back in time but the problem is, we would not be able to go into the future1. What's the similarities between time travel and space travel?The faster your motion through space relative to a stationary reference frame, the more your motion is diverted from your motion through time. In other words, in a very specific sense, we move through time at lightspeed. The faster you move through space, the more your movement through time is diverted by your movement through space. At lightspeed, all your motion through time is diverted by your motion through space. A photon does not experience time. All of its motion through time is diverted by its motion through space. According to relativity theory anyway2. How to travel with cats?Some cats do fine being loose in the car. Try taking them for a little ride (5-10 minutes) and see how they react. I had one cat, a wonderful loving tabby, that I took for a car ride. I was not driving, so she crawled into my lap, squalled, and peed all over my lap! Some years later I had 3 Siamese, and drove from Wisconsin to Montana with them loose in the car, without a bit of a problem. I think its great that you are taking your cats along with you!!!3. Is it Cheap to Travel to Trinidad?It all depends on where you are flying from. If you are in the US it might be better for you to go to Miami. For me in the Caribbean, I would definitely go to Trinidad because the fair is cheaper, the prices are not that bad, I know my way around and I would feel safe. I can just go down town and buy a few doubles and just watch the people go buy sitting on the side of the road. You might not want to do that. I might even buy some shark and bake. Generally, I go to Chaguanas and shop but I might just stay in POS. From the time I take to spend that extra money to go to Miami I could stop right here in Trinidad. I have been there many times and I have not have a problem. It is up to you though because my experiences might be different to yours. All you have to do is to stay where there is lots of people and the same precautions you would take in your country take there. Do not walk around with your purse expose because that would be asking for trouble.4. Is it safe to travel to Israel?Of course it's safe. It's safer than the US. all that stuff you hear is media bullS5. Where to travel in Europe?You can visit Norway :)6. How do I learn about mountain bikes?Firstly, size. Also, go and have a look at a few of their bikes, there is an interesting rating system next to the bikes, indicating the type of riding that it is suitable for. Next, using 1 - 10 scale. But this is based upon components, layout and value for money. MBR is a good place to do some research. For general bike buying, it is advisable to stick to some of the bigger brands. Trek, Scott, Giant, Specialized. You might also consider some of the smaller manufacturers like Claude Butler or Dawes. For components use either SRAM or Shimano gears. Cranks, either Shimano or Truvative, although if you want to throw money at this you could easily look at 2 - 300 on Race Face or Hollowtec. However, many manufacturers use their own brand, eg. Bontager = Trek. However, if you stick with the brands listed above, they will use viable kit, it just depends how much money that you want to spend on your bike. Hard tail or full sus? Firstly, do not spend less than 700 on a full sus. Do not buy an all singing, all dancing 200 bike from Walmart, Tesco, Cycleking, etc. Hard tails tend to be lighter. Also, because you are not spending huge amounts on a rear shock, you get better quality components elsewhere. So, spending 700 on a hardtail will get you a nice race machine with good quality components and viable suspension. You will still get a nice full sus for this price, but the overall quality will not be as high. If you are just hitting well maintained gravel tracks and roads, you do not want your front fork to do too much, so 80mm travel is good. This is also good if you want to race, since you lose less forward power to bouncy forks. For general XC, about 100mm fork travel, although an adjustable fork between 80 and 130 mm is OK. Any fork that starts at 120mm travel will tend to fall into the all mountain category. These will have chunkyer tyres than XC and are better for bounlders and logs etc. Downhill will have a lot of travel up front, with a raked back design. Luck

Which Is a Better Design to Put on a Beer Pong Table?

Nah, Dude save yourself time and money. Just purchase some cheap spray paint. Paint DO NOT VOMIT HERE on your table and everywhere else you DO NOT want puke. Your good to go! Good Luck Beer Pong Guy!1. Help me with my BEER PONG TABLE :) 10 POINTS?beerpongtable.com2. What paint and coating do i use for a beer pong Table?Do what I do when I make/paint things, use trail & error. Try out your paints etc.on a waste piece of ply, much more fun to do it all yourself3. Where can i buy an inflatable beer pong table here in the philippines?Inflatable Beer Pong Table4. how do i make a beer pong table?Advice on building Beer Pong Tables Large areas of paint: The best way to do the larger parts of the design is just spray paint with masking tape pressed down to prevent bleeding. Sanding the table down on places where you expect paint edges to be present also cuts down on bleeding. Ours bled a little on most edges, but we just put down white electrical tape on the points where the paint met the wood and it looked fine. If you have the resources, buy/rent a professional-grade low pressure paint spray gun (check out Home Depot or other home improvement stores) and you should not have any bleeding. Lettering For the more intricate parts, we got some heavy, glossy paper meant for LaserJet printers, and cut them out by hand. It was a pain, but it was the best way to do it. You can probably get away with thinner paper. Basically, thinner paper is more likely to let the polyurethane soak through, but it's also less likely to stick out of the poly (you can run your finger over the letters in our first table and feel a tiny ridge). If I were you I would get heavy paper, and then just poly the hell out of it (5 coats, wait 24 hours between each coat). Oh, and get a clearcoat/polyurethane that goes on clear. The white parts on your table (if any) will get a brownish tint otherwise. Graphics For the graphics on our basketball court table (ACC text and the flag) we went to the actual court and just took some digital pictures. With a little help in Photoshop, we were then able to get the graphics the right size and shape (for example, taking a picture of the "ACC" meant that it was kind of like a trapezoid, with the top part of the text not as wide as the bottom, since I took a picture from an angle as opposed to a bird's eye view). Anywho, for those we just went to Kinko's and printed it out on their good computer and color printer. Then we glued it on and polyeurethaned over it. Keep in mind you can always look for graphics online and just print them out (Google has an Image search feature that works well). Sturdy construction We do not have any plans drawn out (well, not on my computer anyway), but it's pretty easy to make a sturdy table. If you've got over $150 allocated for this, do not spare any expense on quality. 3/4" pine plywood is the sturdiest non-expensive board you can get. It will come in an 8'x4' section, but feel free to cut it down (but 8x4 is a nice size). If you've got money to waste, you can even get 3/4" oak. It will look better and is sturdier. You are going to want to build a sturdy frame underneath the table. A complete border of 2x4s should lay underneath the plywood. This not only looks good, but provides most of the anti-warping support. You are also going to want to spend the extra couple of bucks for two more 8' lengths of 2x4s to lay lengthwise along the underneath of the table (so you will have something like four 8-foot 2x4s underneath the table lengthwise, and then two 4-foot lengths at the edge). Legs are pretty easy. We use 4x4's, which is sturdy as hell but does not look great. If you paint them, they might look fine. In any event, a 3/4" plywood with the said frame underneath will never warp, and can even handle a few drunk college boys standing on top of it (not that I would suggest that). Misc Also, get trim for the edge of the table. It's $1/ft. and well worth it. It makes the table look much better, and even stops the occasional ball from rolling off. And to make sure that the table can handle all the beer that will get spilled, use a ton of polyurethane/clearcoat. If you have the time, do over 5 coats (10 is probably the most you will need). Follow the directions on can, but you should most likely not do more than one coat a day (bubbles could form if it does not dry all the way).

How Do I Calculate the Thrust Produced by a Propeller and Motor Combination in a Quadcopter?