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Home » Public Forums » GMCnet » [GMCnet] I give up. (Onan)
Re: [GMCnet] I give up. (Onan) [message #188314 is a reply to message #188310] Fri, 26 October 2012 07:25 Go to previous messageGo to previous message
jhbridges is currently offline  jhbridges   United States
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma:
Senior Member
If there are sparks and suction, you ought to get a rise out of it when 'ethering' it.  Both my questions are kind of clutching at straws, but you've already eliminated the obvious stuff, leading us to RF&RA (Rage, Frustration, and Random Action).  I worry about spark because the ignition system in these things is adequate, but barely so.  And, the spark will jump the lowest resistance path.  Hopefully, this is across the two spark plug gaps.  Howeve, resistance does rise across the gap when the air pressure it's in increases.  My Junkerac will sometimes put a very bright spark from the plug cap edge to the cooling shroud when cranking.  This I surmise because the throttle is wide open, thus the cylinder pressure is quite high and there is less resistance to the shroud than across the plug gap.   I expert Tom placed the spark plugs in such a way that they touched the engine, and that he could see the gap in each.  It is an 'all or nothning'
system, both plugs must fire together to indicate proper operation.   
I'm headed to Starkbug in January, run the coach up there and we'll beat on it if it isn't resolved by then. 
 
--johnny
'76 23' transmode norris
'76 palm beach

From: Robin Hood <loxley@gmail.com>
To: gmclist@temp.gmcnet.org
Sent: Friday, October 26, 2012 7:55 AM
Subject: Re: [GMCnet] I give up. (Onan)
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons. Braselton, Ga. I forgive them all, save those who hurt the dogs. They must answer to me in hell
 
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