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  • StevenS178 commented on cid2323's instructable Lawnmower Power Generator With A Twist3 months ago
    Lawnmower Power Generator With A Twist

    My former position,before retirement,was at Briggs and Stratton as a engine/ power train design engineer I guess lends nothing then...Not!!!Tecumseh,Briggs and Stratton,Wisconsin,Milwaukee,and Kohler all utilized what I had mentioned for the point of engine balance,but on newer engines that are vertical shaft,the newer flywheels although Aluminum still require the blade and adapter for the purpose of engine balance...As far as your statement of "but is more dependent on whether or not the engine is internally balanced. ",All engines are internally balanced to a degree because of the crankshafts on all engines have counterweights,or balanced crank wheels,(as in a Harley engine),but still require more to balance them to reduce bearing and seal wear......i.e. Vibration dampener o...see more »My former position,before retirement,was at Briggs and Stratton as a engine/ power train design engineer I guess lends nothing then...Not!!!Tecumseh,Briggs and Stratton,Wisconsin,Milwaukee,and Kohler all utilized what I had mentioned for the point of engine balance,but on newer engines that are vertical shaft,the newer flywheels although Aluminum still require the blade and adapter for the purpose of engine balance...As far as your statement of "but is more dependent on whether or not the engine is internally balanced. ",All engines are internally balanced to a degree because of the crankshafts on all engines have counterweights,or balanced crank wheels,(as in a Harley engine),but still require more to balance them to reduce bearing and seal wear......i.e. Vibration dampener on the front of a car engine...

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  • StevenS178 commented on cid2323's instructable Lawnmower Power Generator With A Twist8 months ago
    Lawnmower Power Generator With A Twist

    An Easy to build generator,but one thing that the author didn't consider...Since the engine came off a lawnmower,(Vertical shaft), it has an aluminum flywheel and the engine needs the blade and blade adapter on it for the engine to be balanced...Without those components the engine will fail prematurely...A side shaft ,(or Hortizontal),has a cast steel flywheel which keeps the engine balanced...So my recommendation would be to use a "Hortizontal shaft engine for longevity and reliability...

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