Forum whore
Anyone heard of this kind of engine. I came across a thread sometime back on another biker forum.
Basicly the arguement went that the HD motor is a Split Single. The exchange got a bit fierce from some Harley types who saw this as somekind of degregation of the H D.
Can't find much on this...................so what the guff.
Skyryder
Free Scott Watson.
Forum whore
One piston acts as a (sort of) supercharger for the (firing) piston. gets better scavenging. Puch among others used this idea. Dunelt has a different approach with a stepped (big a the bottom, smaller at the top) piston. But it only applies to two strokes, so not really applicable to H-D (although H-D did make small two strokes, eg the Rapido, but that was conventional)
http://en.wikipedia.org/wiki/Split-single
it's not a bad thing till you throw a KLR into the mix.
those cheap ass bitches can do anything with ductape.
(PostalDave on ADVrider)
Forum whore
The HD is a split twin.Some people think they fire one after the other as they go over tdc...which can be done,then they become a twingle.But really,think of them as a parallel twin with one cyl moved 45deg back.
In the riders seat
DKW did a supercharged split single
"If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough power."
Originally Posted by scracha
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