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pre-suppressed brushed 400??

Old 09-19-2005, 05:42 PM
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clovus
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Default pre-suppressed brushed 400??

I just bought a graupner speed 400 motor to replace the one on my heli. The instructions say it is pre-suppressed. Does that mean I do not have to solder the capacitors onto it?? The instructions mention using an anti interference filter...any ideas what that is??
Old 09-19-2005, 06:34 PM
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Dr Kiwi
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Default RE: pre-suppressed brushed 400??

Graupner 400's have pre-fitted internal capacitors (between + and case and between - and case) for interference suppression. It would not hurt to add a 0.047uF ceramic disc capacitor across the terminals.

Cheers, Phil
Old 09-19-2005, 08:21 PM
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Default RE: pre-suppressed brushed 400??

Thanks for the speedy reply Doc. I might take your suggestion and crank up the soldering iron for one across the terminals, just to be sure.


clive

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