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…]

Model Diesel Engine Fuel

May 18, 2019 Nigel 0

I’m used to the old diesel engines of years ago and I can still smell the fuel. Go me wondering what the model diesel fuel consists of, so thought I would do some searching: Enya [more…]

Crankcase – Poppet Valve Single

April 28, 2019 Nigel 0

The crankcase for the Poppet Valve Single Cylinder was machined from a cube of aluminium, quite a rough cube that had been laying around my shed for some time. The first job was to machine [more…]

Poppet Valve Single

April 28, 2019 Nigel 0

The idea was to make a single cylinder 4-stroke and to make it simple with a poppet valve. Not sure my terminology is correct here, what I mean is an actuated exhaust valve and an [more…]