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Thread: Saito 65


  1. #1

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    Saito 65

    Hi all, I've been playing with a Saito 65. Bought it used, putting it on a 3d 40 size plane. 20% fuel used.
    MA14x4K- running strong at 10700 rpm. May have been peaked, but I thought it was running a little fast and didn't want to over rev it.
    MA13x5K- pulled 10500 at same needle setting. Again, did not want to lean any further and risk over rev.
    APC14x5N- 9980 peaked. This will probably be used for first flights.
    MA15x4K- Any one try this one?
    Just playing with this engine has maotivated me at the build table!
    Any other 65's out there?
    MikeB

  2. #2
    P-40 DRIVER's Avatar
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    RE: Saito 65

    Keep the rev's down on that motor or you will blow it up. nothing over 10,000 static on the ground peaked. 12-8, 13-6 works well with that engine but you will need to do some experimentation to find best combo. The 65 has a low red line and a long stroke and a small carb so high rpm's do nothing, pulls real good in the low to mid 9's. Keep it a bit rich too or you will be an unhappy guy as well.

  3. #3

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    RE: Saito 65

    Thanks P-40, I was able to play with it a bit more with the APC 14x5N. Richened for flight will get it mid 9's. I had this on a Venus for two flights. I tried the 13x6 and 12x7 then, I think both those props will be way too fast for this new airplane.
    Take care, MikeB

  4. #4

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    RE: Saito 65

    15x4K MA 10100 rpm peaked.

  5. #5

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    RE: Saito 65

    Playing with this one again. I put a new ring and cylinder on and cleaned the valves.
    10% with a little caster added, 65 degrees, APC 13x6, 14 oz through engine
    9800 rpm

    I am going to put this on my 4*40 just for the heck of it.

  6. #6
    Moderator w8ye's Avatar
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    RE: Saito 65

    Had a Saito 65 for several years It ran the APC 13-6 at 10K with 15% Rich's Brew
    Attended the CutFinger Institute of DirtNap University for years but never did graduate....
    Recipient, Mangledhand award August 2008
    Club Saito Member #7
    Original AMA #31261


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