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Dynamo Blanking Disc
#1
I am probably being silly but can anyone advise what I can use (or where can I buy) a replacement blanking disc on a late dynamo that covers the distributor gears? I've look at our cherished suppliers.
Thanks
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#2
Isn't it the same size as one of the core plugs used on the head?
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#3
I suggest that a block type of core plug is nearer the size, and it could be reduced if necessary.
Robert Leigh
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#4
I don't think either will be suitable as from memory it is a very thin disk, held in place by a sprung round wire (like a very primitive circlip). If you go to the thickness of a core plug, it may not be easy to seat the clip or remove the plug in the future...
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#5
Hi Martin,
The C35A Dymamo disc is
33.14mm diameter,
.92mm thick
Approx 4mm dome.
The wire circlip is made of 1.32 diameter wire with a hooked end to aid removal.
I just happen to have on on the workbench at the moment.

It should be easy to make a new disc but the wire retaining clip would be a bit more difficult.

I hope this helps.
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#6
Thanks all. I have found a wire retainer and will now make a thin disc (I thought a core plug would be too thick).

Amazing how quickly one can get answers on the forum!
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#7
Martin I have a selection of core plugs, will be here Friday
I am always interested in any information about Rosengart details or current owners.
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#8
im surprised this one doesnt come up more.

ive often thought about having the plate and clip made, as i can never find one when i need one to sell a dynamo.

but i so rearly get asked for them, and took it people are happy to bodge something. ?

tony
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