Threading and then bolting into aluminium can be troublesome. Also, the cylinder design of this poppet valve engine means there is no space to get the bolts in between the cooling fins and the cylinder [more…]
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…]
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…]
Engine Capacity = Swept Volume = Engine Displacement We use all of these terms interchangeably and they all mean the same thing When we calculate the capacity of an engine it is simply the bore, [more…]
Pproblems using durafix welding rod on 6082 aluminium, I was just getting it too hot.