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Author Topic: Advice- 2x Graupner Spedd 900BB motors  (Read 1314 times)

Ben Tickle

  • Guest
Advice- 2x Graupner Spedd 900BB motors
« on: September 12, 2011, 09:11:26 AM »

Hi All,
I have a friend who has got a boat with 2x Graupner 900BB motors. The boat has 2 propellers which are both approximately 50mm. Could anyone please suggest an ideal esc?

Thanks

Ben
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MikeA

  • Guest
Re: Advice- 2x Graupner Spedd 900BB motors
« Reply #1 on: September 12, 2011, 09:46:51 AM »

a 30 amp esc for each motor will do it what voltage is he running though?
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Ben Tickle

  • Guest
Re: Advice- 2x Graupner Spedd 900BB motors
« Reply #2 on: September 13, 2011, 10:16:21 AM »

Hi,

He is running the boat on 12v

Thanks

Ben %%
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MikeA

  • Guest
Re: Advice- 2x Graupner Spedd 900BB motors
« Reply #3 on: September 13, 2011, 11:00:15 AM »

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Ben Tickle

  • Guest
Re: Advice- 2x Graupner Spedd 900BB motors
« Reply #4 on: September 13, 2011, 06:50:33 PM »

Hi Mate,

Do you have a wiring diagram to shoe how the motors would need to be wired up?

Thanks

Ben
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MikeA

  • Guest
Re: Advice- 2x Graupner Spedd 900BB motors
« Reply #5 on: September 13, 2011, 07:35:00 PM »

heres one. you will need to isolate the BEC from one of the esc's. this shows a brushless set up but the principle is the same, ibrushed has 2 wires to the motors instead of 3.



you will need to connect the esc cables with a y lead


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