Author Topic: Running dynamo with electrical connections  (Read 446 times)

Offline pdg

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Running dynamo with electrical connections
« on: 02.02. 2020 16:20 »
Hi,

Does anyone know if it's ok to have a dynamo mechanically connected (spinning) but with the electrical terminals not connected to anything?

Many thanks, Peter.

Offline RDfella

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Re: Running dynamo with electrical connections
« Reply #1 on: 02.02. 2020 16:57 »
Won't hurt it in the short term, but likely to glaze the commutator if run for prolonged period.
'49 B31, '49 M21, '53 DOT, '58 Flash, '62 Flash special, '00 Firestorm, Weslake sprint bike.

Offline pdg

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Re: Running dynamo with electrical connections
« Reply #2 on: 02.02. 2020 19:15 »
Many thanks for your reply. It's a refurbished dynamo which I don't want to damage, so looks like some wiring, regulator, and a battery will be required.

Regards, Peter.

Online Rex

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Re: Running dynamo with electrical connections
« Reply #3 on: 02.02. 2020 21:19 »
Depends on how many miles you anticipate doing. The comm will eventually "glaze" whether there's a battery fitted or not. Personally I'd fit a battery etc regardless.