WattFlyer RC Electric Flight Forums - Discuss radio control eflight - View Single Post - homebuilt sea plane prop and motor combos?
Old 12-05-2019, 05:47 PM
  #3  
Wildflyer
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Join Date: Sep 2009
Location: Lacey WA, 1 mile E of Mushroom Corner
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Not free but worth it.
https://www.ecalc.ch/

make a search for model electric motor calculators you will find others
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