6
$\begingroup$

I am looking for some figures surrounding the specs of brushless motors and their relative efficiency (in power usage terms) for multi-copter use.

There are 4 basic specs for motors themselves: - Motor width (EG 28mm) - Motor height (EG 30mm) - "KV" - RPM per volt supplied (EG 800KV) - wattage (eg 300w)

This would then be a 28-30 800kv 300w motor.

What i am looking for is a chart containing: - Motor spec - pack voltage (eg 14.8v) - Amps drawn @ various % throttle (10% to 100% say) - static thrust from various propellers (11x5, 12x6 etc etc)

Does such information exist? I know its a BIT subjective as prop and motor designs vary slightly, but a baseline would be a start.

$\endgroup$
  • $\begingroup$ To say that it's a bit subjective to prop choice would be an understatement... $\endgroup$ – David Oct 14 '14 at 22:40
  • $\begingroup$ exactly, so it would have to be based on the same prop design. $\endgroup$ – Digital Lightcraft Oct 15 '14 at 8:57
1
$\begingroup$

You can use the eCalc Multicopter Calculator. You select a set of motors, propellers and battery size and the program will output lots of data: Thrust, Motor efficiency at hover, Current and Voltage at hover, Motor efficiency at maximum power, Current and Voltage at maximum power, etc.

| improve this answer | |
$\endgroup$
1
$\begingroup$

The programm you are searching for is http://www.drivecalc.de/

They have all the common motors with lot of data... some "special" motors you won't find there

| improve this answer | |
$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.