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I have not seen a lot of discussion of what I am calling the Atkinson Valve Engine used, for example, in the Toyota Prius and other cars. This engine looks like a conventional four-stroke OHV design, except that it has a very high basic compression ratio. The Atkinson aspect of it lies in the...

I've been using S/S CDI ignition modules for years. With Roy Sholl retiring a lot of people are wondering where to go for substitute CDI modules. At the same time there is quite a bit of enthusiasm in HMEM and other places for inductive coil systems and for the Sage-Gedde driver module for...

Greetings from Cedar Rapids, in Eastern Iowa. I really started trying to build models about 1950 while in still in grade school, working in my father's implement dealership and working as an apprentice mechanic in his shop. I got in to electrical engineering pretty directly from trying to fly...