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  1. Sticky: Oil cooled rotor challenges

    Yes,

    Mazda rotors are oil cooled, and a cooler is required - all part of the plan. The good news is there are examples of vertical shaft conversions in operation, so the art is pre-existing.
    ...
  2. Sticky: Single rotor Mazda

    Hello Rotary John and others.......

    That engine is a mockup of a Mazda 13B outboard project of mine. The tower and 45SS gearcase were used to set the 4 lap 3-mile 850cc mod hydro record at Dayton...
  3. Sticky: Potential

    The 20B rotary "brap" isn't much different than the thrashing idle of a roller cam small block, or the rythmic surge of an idling blower motor....... All tell a story of enormous power about to be...
  4. Sticky: Rotary Conversion

    Do you mean something like this?

    Tim
  5. Sticky: Rotary horsepower

    Thanks John,

    Thanks for the information. An air cooled engine would be OK, but my FE(850) Mod hydro needs more like 100-115 HP. What do you suppose became of the prototypes?

    Tim
  6. Sticky: From the archives

    If only we could turn back the hands of time!
  7. Sticky: Rotary images

    All this talk of the rotary engines sent me digging.... Found a color photo or two from the Detroit boat show in 1974 or 1975. There's also a B&W of a CC (year unknown). Soon as I get decent scans...
  8. Sticky: Sideways carb?

    My guess is the engines were tested horizontally in the prototype phase, ans that the image is rotated 90 degrees. The tip is what appears to be a starter pull on the end opposite the flywheel. ...
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