Vintage Thing No.12 - The Trojan engine
Cut away engines seem wrong to me but are pretty well essential in understanding the workings of the normally aspirated Trojan split-single two-stroke. This the view from above. A mate of mine sent me this illustration of a cut away Trojan engine the other day. This was in response to my earlier post (VT 4) about a supercharged Trojan engine. Well, I still know nothing about the blown sort but here's a pic of the common or garden variety. Although it looks like a twin, the Trojan was a split-single. Yeah, I know, it's a contradiction in terms. Think of it as a saimese twin then. And they weren't split-singles, either. They were four cylinder split twins! Still with me? Some people call split-singles twingles so what would the quad-twin Trojan be - a quin? But why bother with split singles, or twingles, in the first place? The big problem with two strokes is spent exhaust gases mingling with a fresh incoming charge of fuel into the cylinder. Two strokes don...