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Jun 14th, 2026
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Joined: Apr 2009
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Learner Plates Off!
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Learner Plates Off!
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There must be something inside the cocoa tin. It is too big for a few transistors.
Frank
1967 4/4 1500 Comp.
1935 Super Sports Barrelback
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Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
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Pertronix - the name just reappeared on another forum - wonder if it's one of those?
Cheers,
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Learner Plates Off!
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Learner Plates Off!
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I had a Pertronix system on a V8 Daimler, everything was inside the distributer cap.
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Joined: Jul 2007
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Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
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Not one of those then! 
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Just Getting Started
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Just Getting Started
Joined: Mar 2008
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Graham
2n2055 springs to mind
John
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Salty Sea Dog Member of the Inner Circle
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Yup, that a type, but not the encapsulation...
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Joined: Jul 2007
Posts: 28,892 Likes: 350
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
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Posts: 28,892 Likes: 350 |
Comment from a Mog pal in USA (who is also into Rileys and other classic cars, plus  ) "I can see an old style Lucas windscreen wiper motor, some old plugs and the can. This appears to have three old transistor rectifiers in the top. Could be wired to convert AC current to DC. I have never seen that exact arrangement before." Need to know what those wires lead to? The distributor? Alternator? etc. Cheers,
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Just Getting Started
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OP
Just Getting Started
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Graham, the wires from the "can".. two go directly to the coil and the other one goes to the dist.
Pat
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Salty Sea Dog Member of the Inner Circle
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That confirms an ignition booster then.
Thanks Pat.
Cheers,
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Joined: Jul 2007
Posts: 28,892 Likes: 350
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
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Passed your reply on Pat, with a suggestion that maybe it was home made, and another of the group came back with this:
"Yep, that's what it appears to be, a home made ignition booster, the 3 transistors are the guts of a DC voltage amplifying and refining circuit. Wish Fred Winterburn from Canada (ex eMog, on theMog Google Group sometimes) was here, he would know instantly what it is. Apparently his Dad originated a design for CD ignition and variants starting in the 50s, so he is real up on early high performance/solid state ignition systems..."
Cheers,
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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