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| Jet Engines and Ram Jets Discuss home made Jet engines and Ram jet here! |
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#1
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Hey, I just stumbled on this forum and thought that I would share my current cad project. I'm drawing the Wasp H20 from Heward Microjects in Solidworks and plan on machining it sometime in the future. I've attached 2 pics. Thanks |
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#4
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| hey blighty, here are the specs listed on the website: Max Thrust: 18-20 lb 8.1-9.07 kg Engine weight: 2 lb 950 gr Engine weight with starter: 2.4 lb 1090 gr Max RPM: 148,000 RPM Fuel consumption @ max RPM: 260 ml/min 200 gr/min Diameter: 3.74 in 95 mm Length: 6.69 in 175 mm Length with starter: 9.64 in 245 mm From what I have read, the listed thrust has never been attained by a customer. A more realistic thrust is 14-15 pounds, but several changes have been made since those figures were released so maybe 18 pounds is possible. I saw your thread about the mw54, very impressive machining work. When you were turning the intake housing, did you make steps and then just smooth out the steps with a round tool? |
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#5
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| nice size turbine, little bit bigger than the '54 but with 5-6lb more power. have you an idea what your going to put it in? the inlet cone was done by a half-assed follower. you can see it in one of the pics (round bit of ali with a little blue thing in the middle) the outer rad was done by hand. as it has no reference on how the turbine runs its just to get the wight down and make it look nice. |
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#6
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| Now I understand. I was asking about how you made the inlet because in the wasp engine the inlet is a one piece design that shapes the airflow into the compressor. One side is the intake, but the other has to be identical to the curved part of the compressor wheel. You can see it in the first post pictures. As for what I will put it in, I don't know. Jets are expensive and you need a good runway which my rc club does not have. We have 3 very nice grass runways, but they are not smooth enough for jets. I might make a turbo prop attachment and insert it into my spare 2m Funtana Pro that is still in the box waiting to be built. |
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#7
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i will post a vid of a home made plane taking off of said strip with no problems. it will do every thing in the book and it's only made from balsa. |
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