Feefo Posted July 1, 2020 Share Posted July 1, 2020 Thought I'd start a thread that will probably be me asking questions I can't find answers to and rather than start a new thread every time I can just ask again here So does anyone know the amp draw on a geared 1509 1.5D on 4s with a 18x17 green on a 5 degree? Or does anyone know how to work out amp draw from capacity and time used? There must be a formula for the latter? Motor doesn't seem to be getting hot so I think everything is running reasonably ok but I'd like to know a bit more without getting a new esc or logging device. Also interested in data between RFM and GM props of similar size or whether the larger 18x 21 is comparable to some of the smaller sized RFM's (18x 19 for example), I'd like to go to a GM 18x 21 on 4s which I'd hope wouldn't be too much for the motor but maybe heat build up will be too much. TIA  Link to comment Share on other sites More sharing options...
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