The Kneeslider

Doers Builders and Positive People

Russell Sutton’s 14 Cylinder Radial Engine Comes to Life – UPDATE – New Videos

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Digging back through The Kneeslider, I found the article with the first CAD drawings and patterns for this engine, a turbocharged 14 cylinder, two row, radial engine using the cylinders and heads from a Yamaha XV1700 Warrior. That was 10 years ago. It gives you some indication of the time, effort and perseverance necessary to bring a project like this from idea to running … [Read more...]

What Everybody Ought to Know About Our Rapidly Changing Motor Vehicle Powertrains

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If you visit this website, you probably know more about motor vehicle powertrains than most people, but unless you're actively involved in their development, it's also likely you know only a small portion of what's going on in the high speed push to go green. It's fascinating, but at the same time, far more complex than many believe and certainly beyond the comprehension of the … [Read more...]

Dennis Franz Builds a V8 Motorcycle with a Glorious Soundtrack

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We first wrote about Dennis Franz way back in 2010 and again in 2013. His V8 engines were amazing little builds, but he's come a long way since then. I hadn't been watching him for years and while I was looking at another engine on the web I came across a later build, though it's several years old, as well. The sound of a Vmax with a good exhaust is often compared to a small … [Read more...]

Engrich ART Motorcycle with a Fully Balanced 360 Degree Parallel Twin

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Here is another example of superb engineering from the land of the Kiwi, it's the Engrich ART (Appel Richardson Twin) motorcycle, powered by a fully balanced, 360 degree, 1200cc parallel twin. There's so much to look at here, it's difficult to know where to start. You might think this is a beautifully designed upright standard motorcycle, and it is that, but upon closer … [Read more...]

Omega 1 Internal Combustion Engine is Light, Powerful, Efficient and Clean

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The Omega 1 from Astron Aerospace is a brand new internal combustion engine concept and I really mean brand new. When I first looked at the images, I couldn't figure out what was going on. It looked like some kind of stacked turbine, but it's not. Then I thought it was a rotary of some sort, but it's nothing like the rotaries we've seen before. It's pretty ingenious, but you … [Read more...]

Bistella 500, a 500cc 2 Stroke, 2 Row, Supercharged, 10 Cylinder Radial Engine Custom Motorcycle by Marek Foltis

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Let me get right to the point, this engine build/custom motorcycle by Marek Foltis is one of the most impressive homebuilt projects I’ve seen since starting The Kneeslider in 2004. It’s that good. It began when Marek challenged himself with almost impossible goals, followed by absolute personal commitment to learning and doing whatever it took to get the job done. This … [Read more...]