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-   -   Brushless recomendations (https://www.rcuniverse.com/forum/speed-electric-109/11685345-brushless-recomendations.html)

Retiredat38 12-04-2020 07:29 AM

Brushless recomendations
 
Boat is a scale PT in 1/35 (not one of the plastics).
Props are 3/4" diam brass w/ 1" pitch..
Want to go Brushless for no other reason than I can.
What motor would you guys recommend to drive ONE prop at approx 5000 rpm in the water?.

Got RPM 12-04-2020 11:25 AM

What voltage will you use? What ESC do you have? Water or air cooled? Budget? No one can give a meaningful answer without this information.



.

Retiredat38 12-05-2020 03:19 AM


Originally Posted by Got RPM (Post 12648304)
What voltage will you use? What ESC do you have? Water or air cooled? Budget? No one can give a meaningful answer without this information.



.

I would think the motor needed to do the work would be the first consideration and all else would follow based on motor choice. ESC and voltage being driven by the motor decision. Obviously the ESC will need to have the current capabilities to handle the motor. Water cooled could be a plus but there are some design issues involved with that. Not insurmountable, just added hassle.

Only restriction for the battery is I want to go with a LiFe. Weight is one consideration to this.

Since there will be 3 of them I was thinking something along the lines of the Cobra C-2204/58. Just to provide an example.

Budget is pretty open but I don't want to get crazy. This is a fun project and will probably be more display than actual running.


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