The Kneeslider

Doers Builders and Positive People

Honda XR600 9 Cylinder Radial Engine Update

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Ian Drysdale thought we might want to know a little more about the Honda XR600 based 9 cylinder radial engine Russell Sutton is building that we mentioned last year, so he sent some more up to date photos. Ian's working on the crankshaft and rods for the engine while Russell keeps himself busy with the rest of it. Russell really likes radials, he says his personal favorite … [Read more...]

Fiat MultiAir Engine – Better Mileage, Lower Emissions

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With the constant talk of electric vehicles being the next big thing, it's interesting to see how much development is still being done on the good old internal combustion engine, the Fiat MultiAir engine is a good example. The Fiat MultiAir Engine, uses a solenoid valve to control oil flow to a hydraulic lifter that actuates the intake valve. The mechanical cam actuating the … [Read more...]

STIHL 4-Mix – Fuel Lubricated 4 Stroke Engine

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Since we've been looking at some interesting engines lately that take the road less traveled, a comment by rafe03 on the Ellwood Hybrid story pointed to this hybrid that needs no oil in the crankcase and no oil pump either, but it operates as a 4 stroke. The fuel mix lubricates the engine like a 2 stroke. The fuel mix is drawn in through the crankcase and, by a very … [Read more...]

Comparing Horsepower per Liter in Motorcycles

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James Parker has an interesting comparison of horsepower per liter among several different motorcycles in the March issue of Motorcyclist. It's not a difficult calculation but I seldom think about it, though I may think about it more after reading these numbers. According to Parker, the 800cc MotoGP bikes are making about 240 horsepower or 300 hp per liter, pretty high … [Read more...]

Cyclone Green Revolution External Combustion Engine

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Problem: Conventional engines and new tech engines need fuel to run, often a very specific type, but some fuels are in short or easily interrupted supply and often very expensive or they need a totally new not yet installed, supply infrastructure. Solution: External combustion engines can run on an extremely wide range of fuels, whatever is available, they are true multi fuel … [Read more...]

Ellwood Hybrid – Single Cylinder Reed Valve Intercooled 4 Stroke Engine

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All sorts of interesting custom bikes and engine projects are coming out of Sweden all of a sudden, or at least, I'm just coming across them, and John Ellwood thought we might like to see one more, it's his Ellwood Hybrid, a single cylinder, 4 stroke with reed valves, from a 2 stroke, mounted on the crankcase directing the crankcase pressure to charge the intake twice per power … [Read more...]