Recent content by Michael Dobson

Home Model Engine Machinist Forum

Help Support Home Model Engine Machinist Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
  1. M

    Twingle engine

    Yes I'm sure you are correct. They were also made by Lucas, Garelli and a small car called Trojan. Unusual 2 strokes are quite interesting, in fact I have been a making a model of a stepped piston twin, inspired by the Norton Wulf bike engine of the 70s. My point was about the Triumph, that's...
  2. M

    Twingle engine

    Yes the cross section drawing is definitely a split single. Not sure if this one is a Puch but the principle using a forked connecting rod allows the relevant timing for scavenging and exhaust to help with strong torque at low revs. The Triumph Speed Twin in the previous post however is...
Back
Top