Jasonb's latest activity

That CAD does not really do it justice. Castings out of production but could be fabricated/cut from solid Quite a nice one...

Looks like an Olds by Paul Briesch

I have the book by Doug Kelley with these plans in it. Bates and Edmonds made the full size engine.

I hear you John. I just had to see if it would run. One of the problems I found from that run was that the left cylinder was not...

They are not actually points in the way you would get on a car. There is a grounded contact and a live one. As the piston comes up...

Upper bellcranks work cyl No1 so as the can hits green1 it will pull the top rod, as the cam hits pink 1 it will push the top rod. Same...

looks like the governor is linked back towards the head as I can't see anything else that actuates the smaller rod at the side of the...

Pat have a look at the Ford Quod thread where I explain how the ignition worked that also has a pin on the piston to trip the ignitor...

Charles the size in #251 is the OD of the drive flange and what I scaled the photo to. The ctrs when measured from that average out...

Yes, that is how I have it

That makes sense Charles in which case an average would seem to be 55deg each way.

It is not quite as I would expect. I used another image that was squarer on and rotated it to match the position in post #247. Added th...

We should be able to work with that, I can get the angles with CAD

I'd sort your boring bar and do some practice cuts on scrap until you get it right

That is very close to 1/4" = 6.35mm so we can assume that is what the builder was aiming for. Depending on how far the curved expansion...