Re: Johnson RD-!8 prop pictures

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November 18, 2015 at 8:18 am #27287
frankr
Participant

    Actually, there were two different length drive pins and nuts to accommodate them. Early pins were same length as hub diameter, later changed to long enough to stick out both sides of the hub (to prevent the prop from spinning off the hub). The nut for the long pin has a larger inside diameter so it can go over the long pin. Thrust washer is used with the long pin.