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bogstandard:
It seems that soft faced laps are cheap and readily available in the US, but over here, even though they are available, you have to go in search of them.

I tend to use a brake cylinder hone with oil stones for doing the same job, but they are very limited because they won't do the small sizes that we usually come across, in that situation I use either a lap made from nylon rod or wooden dowel.

Very nice work indeed Chuck.

John

chuck foster:
darren: thank you for your kind comment, i try to make things the best i can and i try to improve every time i make something.

bogs: laps are easy to get here in canada, i have them from 1 1/2" dia. down to .040" dia (the small ones are called needle eye laps)

well tonight i finally got to working on the ignitor :D it's not finished but it is getting closer :)

the first two pictures show the trip finger that i rough out earlier

i then made the trip spring plate

this next two pictures show the two parts assembled, i still have to make a proper bolt instead of the phillips head screw

and the ignitor on the left is the new one and i'm coping the one on the right

well that's are for tonight

chuck :wave:

Bernd:
Chuck,

I was going to ask what an ignitor was but figured it's to give you a spark for ignition. I keep going back to the picture you show of the original.

What puzzels me is how it will work on the engine. Please don't tell me because I want to see if I can have an AH HA moment when I figure it out.

All I want to know is there more parts to make it function?

Nice job on the documentation and pics so far.

Bernd

chuck foster:
bernd: you are 100% right..............an ignitor is used instead of a spark plug, it is a very simple device. it uses a 6 or 12 volt battery for the power source and a induction coil is wired in to the circuit. i won't tell any more..............so you can have your AH HA momment.
there is a couple of more parts to make it work, you will see them as this project comes together.

chuck :wave:

chuck foster:
i didn't get any work done on the model but i did find a video of the original model, now the video is kinda crappy but it is what it is.

chuck :wave:

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