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ALTERED IMAGE
 Post subject: Re: voltage needed
PostPosted: Sun Jan 28, 2024 2:18 pm 
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Joined: Sun Sep 06, 2015 6:01 am
Posts: 300
Location: Metamora, MI
Jim wrote:
The early H1 uses a 12v powered CDI system. It has to be able to fire nearly 500 sparks per second (10,000 rpm), and that limits the choices. CDI units I've tested for applications like 2-stroke scooters can't make sparks that fast. You could use 3 scooter units if you used an H2 type signal generator that has three separate outputs. Maybe there's another 12v system out there somewhere that can make 500 sparks per second.

As far as I remember, the test procedure you have is valid.


Again, thanx.

I had forgotten the early ones were DC CDI.
If that makes a difference on trig polarity.

cliff
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Jim
 Post subject: Re: voltage needed
PostPosted: Sun Jan 28, 2024 3:39 pm 
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Joined: Wed Jun 08, 2011 11:34 pm
Posts: 9840
Location: North Central NC
ALTERED IMAGE wrote:
I had forgotten the early ones were DC CDI.
If that makes a difference on trig polarity.


DC CDI units can be designed to trigger either way. For some reason these were made to be negative trigger.

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If it surges, that's normal, upshift.
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GUTS
 Post subject: Re: voltage needed
PostPosted: Tue Jan 30, 2024 10:12 am 

Joined: Sun Sep 01, 2013 10:52 pm
Posts: 1224
Location: South Dakota
When I restored Leroy's 1970 H1 it had an ignition system form a Chrysler outboard in it. It works and you are welcome to it if you can use any of the parts. You can see it on page 5 of the restoration threads, it's in the pictures of the 1970 restoration.

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1969 H1, 1971 G3SSA, 1974 G5, 1973 H2A, 1975 S3A, 1975 H1F, 1973 Z1, 1988 HD FLTC, Captain America chopper, 2000 Excelsior Henderson, 1965 Bridgestone BS90
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0120raptor
 Post subject: Re: voltage needed
PostPosted: Tue Jan 30, 2024 11:40 am 

Joined: Fri Oct 13, 2023 5:52 am
Posts: 37
Location: Manchester UK
GUTS wrote:
When I restored Leroy's 1970 H1 it had an ignition system form a Chrysler outboard in it. It works and you are welcome to it if you can use any of the parts. You can see it on page 5 of the restoration threads, it's in the pictures of the 1970 restoration.

Guts
That`s incredibly kind of you but I have just ordered a Zeeltronic system last night.
Thanks anyway. .
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