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Feb 14, 2020, 05:05 AM
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4.3M wingspan UAV - What gasoline engine?

Hello. Im working on a long endurance VTOL UAV design that is based on the Threod Stream UAV refrence link:

Im wondering what gasoline engine should i chose? the wingspan on my model is a bit longer, total wingspan is 4.3m
and i am aiming for about 30kg total take off weight with fuel. The WCL is 14,7 with 30kg of weight
I kind want the plane to fly like a trainer, wont really do any acrobatics.

I also guess a 28cc gasoline engine with a 20/8 prop will not be enough?
Last edited by super2277; Feb 14, 2020 at 05:21 AM.
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Feb 14, 2020, 09:31 AM
Summit Model Aeronautics
Steve85's Avatar
This forum is dedicated to scale models built from kits or scratch and powered by electric motors, so you're unlikely to find the advice you're looking for here. You're in luck though, RCG has a forum dedicated to UAVs here. I'll bet someone there will be able to help.


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