how does an aircraft engine work?
402955
Please go to http://www.howstuffworks.com  Here you will also find answers to many other interesting questions like automatic gearboxes.  I hope it helps.
282240
A single plane intake just has a large opening from the carb to the intake ports to the head. It contains a large volumn of space. So at higher rpm the air will have a ram afffect due to the weight of the air. So this type of manifold makes HP at a higher rpm\nA dual plane manifold has runner that go to each port and the are stack on top of each other. So they have asmaller volumn of air and will make more hp and tork at a lower rpm.
583153
you need to slap who ever told you there are no stupid questions. This one is clearly stupid.\n\nWhy don't you ask how something in specific works.\nLike a motor, computer, nuclear reactor, water wheel, or something.
240273
The terms are sometimes all used interchangeably.  An engine is any device that produces a useful effect, a crowbar is the engine of choice to move a rock, etc.  Your mind is the engine that could creat a best-selling novel, or engineer a bank heist (I hate the way engineer is used sometimes!).  Therefore the gas-burning motor in a motorcar is the engine that drives it.\n\nIn the field of electric power, motors use electricity to create motion (there are linear and rotary motors) and generators use motion to create electricity (there are linear and rotary generators).  There are also motor-generator sets, for example where an AC motor drives a DC generator (or the reverse).  There are also reversible units such that when driven they act like generators and supply electricity but when supplied with electricity they act as motors.\n\nThe bottom line is that when you use the terms motor, generator or engine you must make it clear which you are discussing unless it is clear in context (my engine overheated?).
31292
they work by the combustion causing the engine to spin instead of pistons making the crankshaft turn the motor.  Like a waterwheel, sort of.\n\nIt seems like they should be much more popular, but there's trouble with the power and using them long term to pull heavy loads.  Otherwise it's a great engine with a good concept that just doesn't seem to have any big market.
694964
Engine, and a guidance system.
485796
Follow the steps with reference to the webpage ...\n\nStep 1 Characteristics of air\n\nLet's fit a rubber to a can like Figure 1. You can understand easily that the rubber expands when the can is heated (Figure 2), and the rubber contracts when the can is cooled (Figure 3). It is caused that a pressure of the air in the can works to the rubber when the air is heated, shown in allows of Figure 2. Of course, you cannot see the pressure by your eyes.\n\n \nStep 2 What is a displacer piston?\n\nNext, let's put in a piston into the can like Figure 4. A diameter of the piston must be somewhat smaller than that of the can, because the piston works to move (displace) the air up and down in the can. And, please heat the bottom side of the can and cool the upper side of the can. After it has enough temperature difference, move the piston up and down by your hand. When the piston is moved up, the rubber expands because there is a lot of hot air in the can (Figure 5). It corresponds to Figure 2. When the piston is moved down, the rubber contracts because there is a lot of cold air in the can. It corresponds to Figure 3.\nIn the case of the Stirling engine, this piston, which moves (displaces) the air and make the pressure changes is called a displacer piston.\n\n \nStep 3 Crank mechanism ~ from piston motion to rotation ~\n\nDo you understand about the characteristics of the air and the work of the displacer piston? They are very important to understand how does the Stirling engine work.\nFirst, connect from the piston and a bent wire with a thread like Figure 6. When the bent wire is rotated, the piston is moved up and down. This is called a crank mechanism.\nPlease heat the bottom side of the can and cool the upper side of the can, similar to above description. When your hand rotates the bent wire, the piston is moved up and down, and the rubber expands and contracts repeatedly (Figure 7).\n\n \nStep 4 Power piston ~ function of the rubber ~\n\nThe Stirling engine converts from the motion of the rubber to the rotation of the bent wire. Please connect from the rubber to the bent wire with a rod. In this time, a force of the rubber (expansion and contraction) has to be the direction, which rotates the bent wire. In short, you must bend the bent wire the just right angle (90 degrees) from the piston like Figure 8 and 9.\n\n \nStep 5 Flywheel ~ for the smooth rotation ~\n\nThis engine has not worked yet. If you try to work this engine (Figure 8 and 9), the rubber keeps the most expansion or contraction. In order to rotate smoothly and repeatedly, you must fit a rotated mass with the bent wire. It is called a flywheel.\nGenerally, the flywheel is circular like Figure 10. But at this point, please bend the end of the bent wire, and fit a mass at the edge of the wire like Figure 11. The mass works as the flywheel and to be balanced to the weight of the piston. So, you must fit the mass against the piston.\n\nThis page of diagrams courtesy of Koichi Hirata.\n\nPlease click the link for the diagrams ...\nhttp://www.hotairengines.com/WorkingDescription/Work.htm\n\nWith Love\nsridhar
931708
It is when a bird gets sucked into the engines. Lightning passes through the plane and in most cases doesn't damage too many things if at all since it just goes through the skin of the aircraft. A bird strike to the jet engines, depending on the size of the bird can disable the engines completely cutting off power and thrust.\n\nYou may think that these metal engines should just cut the bird up without any issue. However, one must realize that the engine operates at such high speeds that any object remotely hard will damage the blades. The blades inside the compressor are under huge amounts of force and heat. Thus, they are very sensitive to strikes.\n\nThese strikes will begin the initiation of very small cracks on the blades which will in turn create larger cracks and thus having the blades break completely. When a piece of a blade flies off, that is where the real damage comes from. It is a chain reaction and the whole engine is gone in a split second.\n\nyou can find more about the topic here\nhttp://www.fodnews.com/
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The simplest way to make a jet engine is to make or buy a pulse jet, which is similar to a ram jet, except it has a small flap or valve that sets up directional gas flow.  It requires a starting air flow from a compressor to achieve sustained operation.  The way it works is the air flows through the valve down a tube where there is some kind of fuel atomization, the fuel is ignited initially with a spark plug, the ignited gas make their way out the exhaust end of the tube.  The momentum of the gas leaving the exhaust at a rapid rate creates a vacuum for the intake valve to start the whole process over again.  Very simple and there are jets often sold on ebay exactly for model jet planes. \n\nAs for a turbine jet engine the only thought that comes to mind is a highspeed pencil router used for detailed engraving and polishing, that runs off an aircompressor.  These run at or around 100,000 rpm and two could likely be welded together very carefully to make a mini tubine engine.  Although this idea seems plausable, there will be major hurdels to overcome. Primarily balance is going to be the biggest problem,  when you have something rotating at 10's of thousands of rpms any non semetrical craftmanship would like result in a very short operational life.  Also I doubt that the bearings on the exaust side will not seize after the heat and particulate is sustained for a period of time.  \n\nTo this day I have never seen a turbine jet engine as small as you are asking.\n\nCheck out the following website for a pulse jet design.
836719
well, is a lot of different things that make the airplane take off and stay up there.\n\nThe body design " fuselage" I think is the word.\n\nMasive wings and tail wich give the plane lift, pitch and roll.\n\nPowerfull turbines. A turbine works by pulling the air from the front, accelerating it, heating it up and then spitting it back out from the back at a really really high speed rate.\n\nInside they have a crew, you know, pilot, co-pilot, and others.\n\nComputers, gps and all that good stuff.\n\nThere is also the tower that directs them and helps them take off.\n\nAnd you put all of those things together and that is preety much how is done.
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It helps planes fly because they have complicated hydraulics systems.  These systems do different things such as raise and lower the landing gear, open and close doors, move ailerons, elevators, the rudder, as well as flaps and other systems.  \n\nAnother thing, fluid is not only a liquid, gases are also considered to be fluids.  If there was no air, then planes couldn't fly because they would not be able to create lift.\n\nIn everyday life, you use hydraulics systems and may not even know it.  The brakes system as well as the power steering system on your car are both hydraulics systems.  Other fluids in your car include the water and oil, which both cool the engine and the oil does the essential lubricating of the engine.  \n\nRace cars?  Well, they have a brake system, which is hydraulically operated just like your car's.  Some of them have power steering, but not all of them do.  If they are circle track cars then they probably do, but most drag cars do not have power steering, as the power steering takes power from the engine.  All car engines have an oil lubrication system.  Circle track cars certainly have a water cooling system, although most drag cars don't.  They just fill the car up with water, but it doesn't have a water pump in it to circulate the water.\n\nHope this helps.
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Horse power can be used for both it is a value given to the amount of energy needed to perform (x) amount of work per second.\n  I believe you are more interested in thrust, which is the forward propulsion of the jet engine.  \n  That would go more towards ft/lbs.  \n\nOne extra little known tid bit.  The super jet engines like on the C-5 military transport uses some water injection on take off.  This is what causes the dark exhaust you see. \n\nIf I remember correctly when water flashes to steam it has a 1:26 pressure expasion rate.  \nAs you can see this has a significant impact on the amount of thrust for the engine as well as a cooling effect.\n\nAnd of course the lift is all by design of the wing.  If you took the wings off of a plane it would never get off the ground...  \n\n    But it would make one fast car !!!
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A ramjet does not have any blades (or any other moving parts for that matter)\n\nIt works by air entering it at high speed (ramming it in!) and igniting it.
1110236
Airflow over the lifting surfaces creates pressure differences between top and bottom sides, which gives you the lifting force.  You have to shove the lifting surfaces through the air in order for them to generate the lift, though, hence why true aeroplanes must have engines to push them along.   If you don't have an engine then you are a glider, and barring thermal upcurrents you will be perpetually falling.   Until...\n\nI think passenger jets can glide at about a 1:20 downward slope with no engine power.
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Jet engines operate by compressing incoming air, mixing the compressed air with fuel, burning the mixture, and exhausting it to generate thrust. This process becomes more difficult as the air density decreases at higher altitudes because the compression is less efficient. The air density eventually decreases so much that there is not sufficient compression to support combustion. When this occurs, the engine will "flame out" and the plane falls into a dive until density increases enough for the engine to be restarted.
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A helicopter gets its power from rotors or blades. When its rotors are spinning, a helicopter doesn't look much like an airplane. But the rotor blades have an airfoil shape like the wings of an airplane. So as the rotors turn, air flows more quickly over the tops of the blades than it does below. This creates enough lift for flight.
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Lift. The shape of airplane wings (curved on top, flat on bottom) allows air to pass over them at different speeds, creating a pressure gradient. Higher pressure is built up underneath the wing, allowing for lift to carry it off the ground. For this to work, the airplane must maintain a minimum rotation speed to get off the ground (in a Cessna 150, that speed is about 90mph). Once in the air, the plane can reduce its speed and often glide, however when an aircraft looses too much speed, it looses lift and stalls out.