I notice most of the UAV platforms are electric. Is there a reason there aren't more nitro planes?
Do you have an recommendations? I need a payload of atleast 250 grams after electronics / fuel / etc.
-Dr. Johnny
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Electric power is so cheap, clean, light and powerful that it makes nitro redundant. Another problem is that the IMUs on the autopilots used in most small UAVs can't maintain a "sensible" reading due to the huge vibration caused by single cylinder nitro engines. It's not to say it can't be done, it's just a real "ball ache". I am using a gasolene engine because I have a massive airframe. I have chosen to go for a 2 cylinder horizontally opposed engine with special mounts to try to get around this very problem. I will also be looking at ways to mount the autopilot on a special vibration isolating frame, just to be sure.
Good luck with your project. My suggestion is that if your serious about UAVs, go for as larger airframe that is possible/legal as you can eaily fill them up with goodies.... I know I am :0)