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  1. #1

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    OS 61 Heli - Aircraft ?


    Need info. The OS 61 RX-H "WC" - # 17940; can I just exchange the Heli finned head for a regular 61 SF head, and be usable as aircraft vs. heli power ? Comparing the shaft, etc., look's the same up front.

    Thanks,

    Crank

  2. #2
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    RE: OS 61 Heli - Aircraft ?

    The crankshaft on the heli engine is likely shorter than one on an airplane engine. You may have difficulty getting a prop attached, let alone a prop and spinner. There isn't a different cylinder head you can attach, the heli engine is not designed to accept the airplane cylinder head. If you run a heli engine in an airplane, you may need to restrict airflow through the engine to prevent overcooling. Other than that, you can use the engine wherever you desire.
    Bill Baxter, Manager Hobby Services/Futaba Service/North America
    3002 N. Apollo Dr. Ste. 1 Champaign, IL 61822 USA
    Service Phone: 217 398-0007
    Email: hobbyservices@hobbico.com


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