Countersink Extension

June 16, 2019 Nigel 0

The poppet valve crankcase has been bugging me and I wanted to fix the brackets from inside the crankcase with countersunk caphead bolts. There just wasn’t room or the right angle to get a bit [more…]

Crankshaft – Poppet Valve Single

June 2, 2019 Nigel 0

This crankshaft for the poppet valve engine has been machined from mild steel and includes timing gear machined directly on the shaft.  The webs of the crank are just wide enough to still fit a [more…]