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  1. #1

    Join Date
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    ZDZ 60 Blueline Props - Advice wanted


    I have just got in larger aircraft/petrol engines and have a ZDZ 60 blueline (JMB Muffler) turning a Menz 24x8 on a Comp. Arf 2.3m extra, engine has had about an hour or so running. It fly's the plane really well, for my style of flying but what prop options do I have? At the moment with a 24x8 menz the engine is doing about 6200rpm, there's plenty of pull, not unlimited vertical but then it is still fairly new. What sort of rpm should I be aiming for when it's had a bit more running, does this engine need to rev a bit more as I notice in the zdz info that max rpm is 8200, should I be aiming for close to 7000 rpm.

    If I wanted to go for a carbon prop is there a rule of thumb when converting from wood or is it trial and error.

    Nick






  2. #2

    RE: ZDZ 60 Blueline Props - Advice wanted

    We suggest starting with a 22x10, then after 4 or 5 gallons of fuel at 32:1, you may transition to a 23x10 or the 24x8 with a synthetic fuel mix of 40:1 for the life of the engine. Typical rpm range- 6500-7000
    Thanks
    Mike Dooley
    RC Showcase

  3. #3

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    RE: ZDZ 60 Blueline Props - Advice wanted


    Mike,

    Thanks for the advice, will give you suggestions a try.

    Regards

    Nick


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