Quote:
Originally Posted by Quattro64
Thanks Guys,
You're helping me out. Skyking you are right, don't know what I was thinking.
Arber you have an APU in mind? I was trying to piece something like an APU together, i.e. the 1.6 Ecotec TD combined with an EMRAX as the Gen. Not cheap but about the same as a good certified aircraft engine. At least the Ecotec can be had for ~ $5k from a wrecked cruise. Regarding its power curve, max torque is at 2k rpm and max HP is at 2.9k rpm, doesn't seem too bad? This gives it around ~135HP. Should be a useful level for an EMRAX 348.
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I had in mind something like RE100 for cessna excel.
https://www.redimec.com.ar/contenido...25328111_1.pdf
Compact and efficient unit. However its not terribly efficient wheel to well since jet process leaves a lot to be desired.
Also have you seen mazda RX7 or RX8 wankel? It has a lot of maintenance and low life expectancy, but tradeoff is it is impossible to sieze it. Since the "piston" part is expanding faster than casing. In case you ran out of oil you just lose compression until you run out of power.
There is Subaru impreza boxer engine. It was developed for aviation and later adopted for atomotive. Caution they run with reduction gearbox.
https://www.experimentalaircraft.inf...ft-engines.php
Also there is BMW R1150 motorcycle engine. With propper gearing you have very compact unit.
Take Off
http://www.ultraligero.net/Descargas..._motor_eng.pdf
Pick what you want and stick to it.
I really think we should link this to another thread.