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Old 09-17-2008, 10:16 PM
Join Date: Jun 2002
Location: high deserts, CA
Posts: 3,705
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Default RE: Electric motor selection

That's a little bit better. Still 63 inch at 18 pounds is way heavy. I was worried that my Cub was 8.5 pounds at 71 inches. The Cub could handle a lot more weight but the speeds go up and stall speeds go way up.I figure it could do 12 pounds with a good pilot. Much more and it would not be fun to fly.

With a wing of 63 you are looking at a 12-16 inch electric prop with some hefty lipos. lots of current and amps to get 18 pounds air born. Not saying it is not do able, just a lot more then the 6 inch prop you mentioned. You could take a look through the glow to electric conversion forum for some ideas. They do a lot of planes in there.