BTW i’m sure you’ve been to this site but just in case – The steam exits through a nozzle creating a spinning motion of a ball. please answer! The walls of copper fittings are far to thick relative to the diameter of the tubing, which makes it unneccesarily heavy. 2nd question: Is there any proportions of thickness/lenght of pipes? My name is andrew and I am 15. Your longest exauhst looks like it may be too thin. The basics of my jet engine model is very simple. I am jealous that there are 12-15 year olds who have made their very own jet turbines. what capacitor do i use for the sparks thanks, I’ve got 3 welders, some of them are cheap others not, you have to choice, yes a bike would be more less heavier then a wood car, you have to see the bike wheigh and calculate how macu lbs you need to make the bike move, in a determined time, with a determined velocity, for that i’ll soon give you a link for you to download the thrust calculator for, to help you with that, i can’ give it to you now because i’m not in my PC anyway i’ll soon send you the link. PLEASE HELP. This is definatley not a jet you should make for propulsion as the materials used make it quite dangerous. The result is that the engine uses much less energy. You are welcome to post links, but you must just paste the address (without any html code) as links are not automatically parsed (made clickable) because this would make us prime target for spammers. I don’t know if you can really call it an engine. Pulse jets often ‘flame out’ which is where a big fireball shoots out due to a buildup of fuel, or problems starting, so you must keep your distance from them. Here’s some more useful numbers. Anyway hope i helped in someway. IT has no curve and is a simle jet design.”, And i wondered if you could let me know how to make it or where the plans are. The easiest way i can think of is to use what i used for my engine – two 90 degree exhaust pipe bends welded together should do the trick. The prime mover of virtually all jet engines is a gas turbine. im only 13 but this works really well for effects or braging rights.for fuel i used a 95% alchohal trate but u should use a lower grade (kerosene).And injcet the fuel in a mist. 3) intake / exhaust pointing downwards. hey RMCybernetics can you tell me the price of 19.99 £ in euros please? Yes. The even taper of the horn pipe, up to a bell, should make an awesome coupling for air pressures and provide lots of surface area for thrust. The fuel is injected into a collar around the air intake which may or may not help with the mixing of the fuel and air. I have just Added an image upload function to the comment forms. same result as a pulse jet, hey justen my names dane and im 12 and im just getting into jet engines can u please send me plans and all the fabrics yourll need to make one and what type off gas so ill look forward to seeing what you can send to me but make sure there not to hard to make and if anyone else wants to send me something you can (bob_bollen@hotmail.com). The fuel pipe is brass, so I’ve bent it around so that it also acts as a stand for the jet. i’ve been making a air compressed generator, that works like this, the air enters in the cylinder(the air comes from a external compressor), i’ve alreaddy made, and makes the other cylinder move down, making the generator generate voltage, but i don’t know really how(i’ve alreaddy got a very nice way to, but i want your opinion first) to make the air come out off the cylinder, like a internal explosion engine, comes inside and has to go outside, can you send me your plans of what you have alreaddy made? Which type of jet engine do you think would be the easiest to build for a beginner. i have the same problem. Some joints were soldered whilst others were simply crimped in place so that they could be adjusted. the DIY or something like that? on Introduction. ill make a video on it soon. I have a supercharged Honda 5.0 HP and other odd stuff. are pulse jets hard to start. If you need a really volatile fuel then Acetylene is your best bet like Joe also recommends. if any of you guys can come up with the goods I will find the markets in europe and asia hi everybody,i have always been interested in rockets and jet engines and stuff,but i was playin with one of those big blue water jug things one day and i sprayed some airosol into the top and put a small hole on the side of the jug,a huge flame shot out of it …is this anything like a pulse jet engine thingy??? Wow, I didn’t realize that jet engines were so easy… I’ve apparently built a single cycle pulsejet engine (read:potato cannon) without even knowing it! Unfortunately not only will this impede exaust gas flow it probably also means that the engine will not run, and if at all only for a very short time – at which point the fuel mixture will become too rich and combustion becomes impossible. But they claim it has no mechanical moving parts….http://www.gas-turbines.com/hornet.htm. 95 $99.95 $99.95. Nope not yet, needs the tailpipe finishing. The valveless pulse jet engine or pulse detonation engine is the most simple type of jet and is therefore popular among hobbyists as a DIY project. Using common copper fitting means that parts can be easily swapped and adjustments can be made. Previously radio control jets had to be powered by either an engine with a propeller (thus spoiling the look of the aircraft) or ducted fan units.A ducted fan unit, like the one shown on the right, is mounted inside the jet's fuselage. Use care when selecting your … Just thought it would be a good idea to let you know how i’m getting along with my engine (everyone else thinks i’m crazy). How to Build Your Own Jet Engine Step 1: Come Up With a Basic Design for Your Engine. Also if your Jet is small it will only have limited throttle range in comparison to a larger one. Has anyone played with using parts taken from brass musical instuments … im thinking slide trombone … as an engine chassis ? if that pic didnt show up right, here is another. $69.95 $ 69. A few more years of that, and I just finished building my first homemade warp drive capable of interstellar travel. Glad to be of any help.

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