Revenge C.R. Style

A place to exchanges questions and ideas of a technical / procedural nature. Go ahead, try to stomp us !
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D Winsor
Superintendent
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Joined: Thu Nov 22, 2007 8:23 am
Currently located: Dartmouth

Re: Revenge C.R. Style

Postby D Winsor » Sat Mar 04, 2017 10:20 am

Probably a thin disc of material left over by a hole punch put over contact to a plug wire on the distributor cap. Eventually the high coil discharge voltage would burn though and the plug would fire on a cylinder flooded with gas causing the backfire
Troubleshooting 101 "Don't over think it - K.I.S.S. it"

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Merlyn
Fleet Engineer
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Joined: Wed Dec 25, 2013 7:19 am
Currently located: South Coast UK

Re: Revenge C.R. Style

Postby Merlyn » Sat Mar 04, 2017 1:30 pm

Like a bursting disc on a twin cyl. NH3 compressor?
Not this time.
Chippy/ Shipwrights wear this necessary bit of kit normally behind the ear?
H.T.. area here applies.
BP's ideas on track.
Remembering The Good Old days, when Chiefs stood watches and all Torque settings were F.T.

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D Winsor
Superintendent
Posts: 325
Joined: Thu Nov 22, 2007 8:23 am
Currently located: Dartmouth

Re: Revenge C.R. Style

Postby D Winsor » Sat Mar 04, 2017 3:05 pm

Oh placing graphite from the pencil between the contacts inside distributor cap providing a conductor between the contacts and causing multiple plugs to spark at the same time which will almost guarantee a back fire.
Troubleshooting 101 "Don't over think it - K.I.S.S. it"

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Merlyn
Fleet Engineer
Posts: 747
Joined: Wed Dec 25, 2013 7:19 am
Currently located: South Coast UK

Re: Revenge C.R. Style

Postby Merlyn » Sun Mar 05, 2017 1:25 am

Nearly there Dave,
So it's off with the plug cap, out with the pencil and draw a thin carbon line from top to bottom of the ceramic insulator.
As we all know HT current will always take the easiest route so instead of tracking down the centre electrode and hurling itself across the correctly set gap it runs straight to earth thereby bypassing a spark situation.
Then stand back and watch the victim remove and strip the carb. etc etc.
Used to have a lot of fun doing stunts like this particularly in the old days especially when you had a BC ( bus conductor ) lookalike.
Sometimes hours of fun to be had again at someone else's expense.
Works on multi cyl. outboards too.
And old V 8's.
Remembering The Good Old days, when Chiefs stood watches and all Torque settings were F.T.


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