crankshaft

Crankshaft – Poppet Valve Single

June 2, 2019 Nigel 0

The crankshaft for the poppet valve single cylinder engine has been machined from mild steel and includes timing gear machined directly on the shaft.  This started with a piece of hexagonal mild steel, why hexagonal? [more…]

Engine Capacity

May 26, 2019 Nigel 0

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…]

single cylinder poppet valve engine

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…]

Connecting Rod

December 29, 2018 Nigel 0

The part in an internal combustion engine that connects the piston to the crankshaft. It changes reciprocating motion of the piston into rotary motion of the crankshaft or vice versa. A connecting rod consists of [more…]

Transitional Engine – Crankcase

December 24, 2018 Nigel 0

This isn’t much of a crankcase, but that is the best description I can give as it links the cylinder and the main engine frame on my Transitional Engine. The starting point was a 2.5″ [more…]