RCU Forums - Electric Engine and speed controller

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Riaf28

11-05-2002 11:26 PM

Electric Engine and speed controller

I need to know where I can find a Graupner speed 480 BB race 7.2V motor and what type of batteries and speed controller I need to use. :confused:

flatfour

11-05-2002 11:42 PM

Electric Engine and speed controller

Can't help you on where to buy, but the batteries and ESC question can only be answered after you tell us what are you putting this in? Will it be geared or direct drive?

Riaf28

11-06-2002 02:50 AM

Electric Engine and speed controller

This is for an Electric Ducted Fan F-18, it will be direct drive

larryflew

11-06-2002 04:10 PM

Re: Electric Engine and speed controller

Quote:

Originally posted by Riaf28
I need to know where I can find a Graupner speed 480 BB race 7.2V motor

Hobby-Lobby.com

talybont

11-07-2002 07:27 AM

Electric Engine and speed controller

Hi,

you will ne a controller up to 30 A if you want some safety distance. I don't know what you can buy in the US but I would prefer Schulze controllers. A slim-40be (up to 40 A) costs about 40 € in Germany. The choice of battery depneds on the flight-time and the weight you want to reach.

MfG,
Armin

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