Pietenpol-List: The A-75 is a production engine
Posted: Sat Apr 24, 2004 8:21 pm
Original Posted By: "Bert Conoly"
Bert,To answer the first question, the A-75 is a production engine. The firstversions of it were fuel injected, the -8J, but this later gave way to thecarbed versions, the -8 being most common. Some of the A-75s have the -9crankcase and accessory case allowing it to have a starter, either theHummer X which is a bungie stretched the length of the fuselage that isliterally geared to the crankshaft via an overriding clutch (wow) andsimilar to the wind up the spring and release lawn mower engines, theMcDowell, which is tantamount to a pull start on a lawn mower, or an Eclipse385 ( I think that number ) which is an electric starter run off of abattery as the case does not have a provision for a generator.The fuel injected engines, or formally fuel injected engines, would have aboss forward of the intake spider where the injector pump would be drivenoff of. It is identical to what was used on the O-200s to drive the vacuumpump. A block off plate might be installed here. The -9 also came fuelinjected as the -9J. I believe that B and S makes a small dynamo that canbe mounted on a vacuum pump pad and this might be a simple way to have anengine driven electrical system (although you might need a transponder then,depending upon where you live).Chris----- Original Message -----
Bert,To answer the first question, the A-75 is a production engine. The firstversions of it were fuel injected, the -8J, but this later gave way to thecarbed versions, the -8 being most common. Some of the A-75s have the -9crankcase and accessory case allowing it to have a starter, either theHummer X which is a bungie stretched the length of the fuselage that isliterally geared to the crankshaft via an overriding clutch (wow) andsimilar to the wind up the spring and release lawn mower engines, theMcDowell, which is tantamount to a pull start on a lawn mower, or an Eclipse385 ( I think that number ) which is an electric starter run off of abattery as the case does not have a provision for a generator.The fuel injected engines, or formally fuel injected engines, would have aboss forward of the intake spider where the injector pump would be drivenoff of. It is identical to what was used on the O-200s to drive the vacuumpump. A block off plate might be installed here. The -9 also came fuelinjected as the -9J. I believe that B and S makes a small dynamo that canbe mounted on a vacuum pump pad and this might be a simple way to have anengine driven electrical system (although you might need a transponder then,depending upon where you live).Chris----- Original Message -----