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Antique Gas Engine Discussion

Buzz coil-Advise-Help needed-Garry

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Old 02-05-2005, 08:26:47 AM
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Default Buzz coil-Advise-Help needed-Garry

I have a model Perkins engine-I need help on setting the battery/buzz coil setup
-WK buzz coil-lays flat rather than stand up
-12 volt battery
-knife switch
-Engine with 2 connections points
I have tried several of the setup drawings-not working proprly

This is a 4 point hook u-rather than what the drawings show as 3.
-one connect to the insulated contact
-one connect to the spark plug
-one connect to the top side of the insulated contact (shows that this is to ground)
-one connect the the engine ground.
If I hook this up as above -I get a steady buzz.
If I don't connect to ground engine -I get a buzz when the contact is made at the insulated (points).seems to be at the correct fire-time-in the cycle

Buzz coil works,spark at the spark plug,It is getting fuel,timing set about 6 degrees BTC
-Engine will pop about 3 times and quit.
-I think I need directions on where each (wire) connection s made.

Can anyone help me out
Thank you
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Old 02-05-2005, 10:51:06 AM
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Elden DuRand Elden DuRand is offline
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Default Re: Buzz coil-Advise-Help needed-Garry


Going by what you say, I'd leave the engine ground off so the coil buzzes when the timer circuit closes at about 6 degrees BTDC. I think you've got the timing right. At least close enough to run.

If your engine's got good compression and is not smoking black when it hits, the only other thing that could be wrong (besides a flakey spark plug) is that it's not getting enough fuel.

Try another plug then, if that doesn't do any better, work on the fuel system.

Good luck and take care - Elden
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Old 02-05-2005, 10:54:49 AM
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Default Re: Buzz coil-Advise-Help needed-Garry

Gary: Lower side contact of the coil goes to the plug, Batt.+ or - goes to the upper side of the coil. Bottom goes to the insulated side of the timer. The other Batt. terminal - or + goes to the engine frame. When the timer closes it makes the circuit and the coil should buzz and fire the plug. The knife switch can go in the wire that connects to the + battery. That should do it .
Did you make a new friend today, and a lot. Paul - "OLDIHC"

Last edited by Paul Spence; 02-05-2005 at 10:57:28 AM. Reason: left out kife switch
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