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homebuilt sea plane prop and motor combos?

Old 11-23-2005, 10:43 PM
Dr. Who?
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Question homebuilt sea plane prop and motor combos?

ok, so I finished my disiign. I just need help on the motor and prop combo. the basic demetional specs are a 56" ws, 40" ls, wa. The battery is going to be a 950mah NiMH. And there prop is going to have to be 3 bladed to meet prop clearances. The best combo I have come up with is a mega 16/25/6 with a 8x6 3 balded prop, and a Multiplex -480-4D with the same prop. I am hoping for a 40MPH speed or just a little bit faster if anyone knows of any free electric motor calculators out there on the web, please let me know, thanks!

Last edited by Don Sims; 11-15-2010 at 12:12 AM.
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Old 12-05-2019, 05:54 PM
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I would go to the motor and esc section and they will help you out . Joe
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Old 12-05-2019, 06:47 PM
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Not free but worth it.

make a search for model electric motor calculators you will find others
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Old 12-05-2019, 07:12 PM
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Holy thread revival Batman! Original post was over 14 years ago!
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Old 12-05-2019, 07:50 PM
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It’s been a while and I didn’t look at the dates . I have been off of wattflyers way to long and just got back , Joe
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