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-   -   Sensored motor running without a lead (http://www.oople.com/forums/showthread.php?t=89021)

4_cell_racer 29-12-2011 12:03 AM

Sensored motor running without a lead
 
Ive had someone ask me if a sensored motor will run on a speedo (Mamba Max Pro) that will run sensored and sensorless motors, but wants to run it sensorless (without a sensor lead fitted) :confused:

Will the speedo run the sensored motor without a sensor lead attached?

Cheers
Lee

MattW 29-12-2011 12:07 AM

Yeah should be fine, the sensors are there for the benefit of the Speedo, not the motor.

4_cell_racer 29-12-2011 12:40 AM

Cheers for the quick reply Matt, great help :thumbsup:

sparrow.2 29-12-2011 12:52 AM

It can depend a little on the motor itself too. If the rotor is thin and/or the magnet is weak sensorless speedos can have trouble running the motor. This will be noticeable through excessive cogging.

Most are fine though so just give it a try. You won't be hurting anything.

4_cell_racer 29-12-2011 01:14 AM

The motor in question is a Orion Votex Pro race 7.5 if that helps?
Cheers
Lee

Quote:

Originally Posted by sparrow.2 (Post 599948)
It can depend a little on the motor itself too. If the rotor is thin and/or the magnet is weak sensorless speedos can have trouble running the motor. This will be noticeable through excessive cogging.

Most are fine though so just give it a try. You won't be hurting anything.


RogerM 29-12-2011 10:52 AM

Why does he want to run that motor sensorless may I ask?

slowjun 11-01-2012 07:28 AM

when running sensoreless, the ESC will have a bit of a problem finding the neutral position of the Motor thus cogging is experience during start up, but when the motor is already running cogging issue is somehow lessens.


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