I saw this video the other day so I am off down another rabbit hole..
I started with the cylinders in the milling machine. The three piston holes and the center axis hole must all be in alignment to each other. At this point the outside of the cylinder has not been turned true and I was not too concerned if it was even straight up in the vise. After the holes were drilled the cylinder was taken over to the lathe with an arbor in the center hole and the outside was turned to final size.
This gave me the best chance to get everything aligned properly.
The video above and an article from Popular Mechanics magazine the December 1965 issue shows the pistons made in one piece and bent in the middle. I can only imagine the problems associated with that bend. All the pistons must be bent at the exact same angle and exactly at a 90 degrees. I don't want to try to do that if there is some other way. The Cardan joint should take care of that problem and you can see in the picture that is what I made. It swivels in the middle and will allow for the cylinders to be mounted at different angles to each other.
Test fit.
Progress so far
Thanks for looking.
Ray
I started with the cylinders in the milling machine. The three piston holes and the center axis hole must all be in alignment to each other. At this point the outside of the cylinder has not been turned true and I was not too concerned if it was even straight up in the vise. After the holes were drilled the cylinder was taken over to the lathe with an arbor in the center hole and the outside was turned to final size.
This gave me the best chance to get everything aligned properly.
The video above and an article from Popular Mechanics magazine the December 1965 issue shows the pistons made in one piece and bent in the middle. I can only imagine the problems associated with that bend. All the pistons must be bent at the exact same angle and exactly at a 90 degrees. I don't want to try to do that if there is some other way. The Cardan joint should take care of that problem and you can see in the picture that is what I made. It swivels in the middle and will allow for the cylinders to be mounted at different angles to each other.
Test fit.
Progress so far
Thanks for looking.
Ray