I was able to visit Richard Sohn across the border in Florida for
awhile when I was in  Mobile examining the Paul Conner crash.

Richard is making good progress on the lightweight two piece end housing.
He has taken up pattern making and has cast parts of his design
for the raw cast iron wear surface insert. Not machined yet.
Picture shown. Wear coatings on all aluminum end housings are either
too expensive or troublesome. Hence the two piece end housing
that can be resurfaced and re nitrided. The insert will be sealed
by a stock type inner water jacket O-ring doing double duty.
Teflon encapsulated silicone O-rings will be used of course.

All his engines are P-port so notice the lack
of side intake port in the new casting. He is in the
process of making  a pattern for the aluminum water jacket part.
Picture shown. Last illustration is an old 3D of the idea.

Paul Lamar


More pictures of Richard's project. His test engine is running
with cut down end plates.

Paul Lamar

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