Spinner Nuts

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  • #40671
    Dohrman Crawford
    Participant

    Hey guys, does anyone know the correct sized Dubro spinner nut to buy to slap on the front end of an OSMaxIII engine? Sig has a bunch of spinner nuts, but they and I don’t know the correct size. Many thanks!

    #44524
    Dohrman Crawford
    Participant

    Forgot to add it is a .15 engine.

    #44525
    Glenn Schneider
    Participant

    The shaft thread for the O.S. Max III .15 and the Max 19 are the same. In a different thread the shaft size was listed as either a 12- 32, 7/32-32 or a 5.5-0.8mm apparently they are all the same or will interchange. Goldberg lists spinner nuts as 7/32-32 in several colors, however only the nickel color will soon be available from Tower Hobbies. $ 7.99. They might be available from other suppliers.. Tru Turn web site has a chart for all the prop nut sizes of almost any engine you can think of, and adapter nuts to match including 7/32-32. Neither Dubro nor Higley has a listing for that size. Hope this helps. Thermals, Glenn

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