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long flight times

Started this discussion. Last reply by Sgt Ric Nov 20, 2008. 8 Replies


lightweight's Page

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About Me:
i'm all about commercialization of lightweight power.

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At 6:03pm on November 20, 2008, Curt Olson said…
I was going to reply to your 'long flight times' posting, but it looks like someone locked it down.

With my current prototype airframe, I'm spinning a 9x6 prop at let's say 5000 rpm for 1 hour ... just to use approximate round numbers. This is an electric motor running on battery power. Battery weight is about 2lbs.

Cost of the battery is < $200. If you can do better with your yet to be proposed system, that would be great. I think everyone would love to hear more details.

But this is all a balance between cost, efficiency, weight, safety, power output, endurance, recharge/refuel time/ease, etc. etc. So if you can improve on any of these parameters without greatly sacrificing one or more of the other parameters, I bet you will find a lot of interest.

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