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I've heard that eCalc is way off when calculating the amp draw vs prop size for pancake motors..can anyone confirm this, and maybe explain why? Id think since it asks for the number of poles, case length, voltage, and max A limit that it couldn't possible mess that calculation up?? I'm...

First I really wanted to put the word out about Hifei, who makes the King Kong ESCs (also Turnigy SuperBrain ESC's). I knew going into this project it would be a mess since a lot of things in our hobby are not standardized in the least bit yet. I already have encountered a few problems that left...

Probably just me but for the past 2 or so weeks whenever I try and use the Ecalc multirotor calculator, after entering all my info it just comes up with a "overflow/checksumSQL blah blah blah error" pop up screen. I've used the exact same specs with it numerous times before and it always has...

I searched first but didn't see anything so sorry if this is a super dupe! I am building a custom 900mm Hex with 4830 motors and 15x5.5 props. 16AH 6s battery, GP H3 and small 700tvl camera for video along with UHF and OSD goodies brings the AUW to about 10 lbs (4.5Kg). The thrust capability...