Are R and B+ of a Ducati regulator interchangeable?

by jan kerstens in 912 / 914 Technical Questions 6 years ago

Hello,

FK14B ultralight with a ROTAX912ULS engine.

I have found out that the connector of a Ducati regulator has a red wire that is routed from R to the battery and that B+ is externally connected/jumped to R.
Normally it is the other way around.

I would like to install a capacitor by cutting the wire from B+ to R and use B+ for routing to the + of the capacitor.

Is this allowed or in other words are R and B+ interchangeable?

Thanks.

BR

Re: Are R and B+ of a Ducati regulator interchangeable?

by Garrett Wysocki » 6 years ago

Garrett Wysocki

1 572 1.45k

It looks like B+ and R are tied together internally, so interchangeable
is irrelevant. Verify with meter.
See regulator internal Schematic.
http://aeroelectric.com/Pictures/Regulators/Rotax-Ducati_Rectifier-Regulator.jpg

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Re: Are R and B+ of a Ducati regulator interchangeable?

by Ken Ryan » 6 years ago

Ken Ryan

28 369 968

You could run them both to the capacitor, and use the stud on the capacitor as the point where the two are connected.

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Are R and B+ of a Ducati regulator interchangeable?

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