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Thread: 3W-50I


  1. #1
    cap10b's Avatar
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    3W-50I

    All,

    3W-50I
    98 octane Shell Premium fuel
    32:1 Penzoil two stroke Petroleum Aircooled Engine oil
    22x10 Frote Propeller (like a Menz Ultra thin blade propeller)
    87 degrees F.
    IIS ignition on 6 cell 7.2 1500 mah NimH battery

    1st run brand new out of the box
    6300-6400 RPM
    1st tank of fuel
    will run this until I fly and next props are

    3W- 22x10
    Bolly Wood 23x8

    All this is in a QQ Aircraft 85" Yak 54

    More later

    JDS

    I ran out of Altitude, Airspeed and Ideas !

  2. #2

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    RE: 3W-50I

    What kind of a muffler are you using? I used the Keleo live stacks and the following:
    Safeway 87 Octane fuel, Lawnboy 32-1 oil, about 85 degrees, and a 3W 22-10 wood prop, got about 6000 rpm. First gallon of fuel. With a Zinger 22-8 three blade prop I got about 5400. Switched to Safeway 92 octane and saw about a 200-300 rpm increase. Please keep us posted!
    Sam
    Daddysam
    Corsair Brotherhood #26, Spitfire Brotherhood #7
    Hawker Hurricane Brotherhood (future?)

  3. #3

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    RE: 3W-50I

    Today I was yard-taxiing my Spitfire and got the following results:
    Safeway 92 Octane fuel, lawnboy 32-1 oil, 3w 22-10 prop, Keleo live exhausts. 6300 rpm peak, backed off to about 6200.
    80 degrees, not much humidity.
    Getting better with every run. This is only the start of gallon number 2.
    Sam
    Daddysam
    Corsair Brotherhood #26, Spitfire Brotherhood #7
    Hawker Hurricane Brotherhood (future?)

  4. #4
    cap10b's Avatar
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    RE: 3W-50I

    DaddySam.
    Will have more info tomorrow, I do the maiden flight on the plane.
    The muffler is stock Supersonic from Aircraft International and its a little
    loud for my taste.

    Your numbers look good.

    More later

    JDS
    I ran out of Altitude, Airspeed and Ideas !

  5. #5
    cap10b's Avatar
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    RE: 3W-50I

    All,

    Temp - 101
    Wind 5-10 SSE
    Humidty - 31%
    Shell Premium - 98 octane
    Oil - Penzoil Aircooled 32:1 Pertroleum based

    5th run NIB
    Prop - 3W-22x10 5400
    Mtr temp - 190 + F
    Not a very good set up quickly landed
    Mtr was hot, too hot over 190 F.

    6th run from NIB
    Prop Forte 22x10 - 6000
    mtr temp - 154 F
    This set up is ok, on the verge of spirited performance. I am still very rich on the needles.
    Motor drinks fuel like its coolaid.

    7th run from NIB
    Prop Zinger Pro 20x10 7400
    Mtr temp - 184 F
    Very good performance pulled unlimited vertical
    good downline braking overall performance very good
    This set up is loud, Had less than an ounce of fuel left when landing out of 22oz tank (650 cc)
    flew for about 11 minutes including second range test that took less than 3 minutes as 1/3 throttle.

    So far I am please with my 3W-50I, this motor pulls my 85" QQ Yak 54 very well and it will 3D once I get
    the right propeller and needle settings. Right now the motor starts easy and runs nice and does not get hot.
    Also I have yet to run a gallon of fuel thru the motor so it can only get better.


    Till next time

    JDS
    I ran out of Altitude, Airspeed and Ideas !

  6. #6

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    RE: 3W-50I

    This is my other 3w-50i, also with a Keleo live exhaust, this one the "three stub" Merlin style. Second tank of gas, 32-1 Penzoil Oil for aircooled engines, 3w 22-10 prop. 6100 with an idle around 1800.
    Sam
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    Daddysam
    Corsair Brotherhood #26, Spitfire Brotherhood #7
    Hawker Hurricane Brotherhood (future?)

  7. #7
    cap10b's Avatar
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    RE: 3W-50I

    Sam,
    That is so kewl ! is this going in a TF P-51 or something else Merlin Powered ?

    I gotta show this to Nick in our club, he has the TF P-51 with a DA motor and the same kind of exhaust, while not his first plane this will be his first gas plane. I want a warbird so bad but for the price of what Nick has in his TF I could buy a Comp-Arf 2.3 Extra and motor.


    Warbird vs 3D
    Warbird vs 3D

    .......Im going crazy

    jds


    I ran out of Altitude, Airspeed and Ideas !

  8. #8

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    RE: 3W-50I

    This is bound for my Vailly Hurricane. The twelve stub version on my other 3W-50i is in my Pica Spitfire, currently undergoing a wing replacement. Here's a few pics.
    Sam
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    Daddysam
    Corsair Brotherhood #26, Spitfire Brotherhood #7
    Hawker Hurricane Brotherhood (future?)

  9. #9
    cap10b's Avatar
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    RE: 3W-50I

    All,
    I crashed the QQ Yak thru no fault of the motor just me being stupid. The 3W-50I has sat for three years and not run. I have been flying 80-100 cc planes and now I have finally come back to 50cc. Pulled the three dubya out and installed it in a new Wild Hare MX-2
    and ran today on a 3W 22x10 wood prop.

    Temp 80 degrees
    humid 54%
    wind calm
    3W 22x10 wood 6600 almost 6700
    idle 1600
    32:1 Penzoil Aircooled

    Also ran a DLE-55

    Biela 20x10 three blade
    6800
    1600 idle

    More Later

    jds
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    I ran out of Altitude, Airspeed and Ideas !

  10. #10
    cap10b's Avatar
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    RE: 3W-50I

    More 3 Dubya power -

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    I ran out of Altitude, Airspeed and Ideas !

  11. #11
    cap10b's Avatar
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    RE: 3W-50I

    Totaly broke in now
    23x8 wildhare wood bunny prop
    6370 rpm
    Redline synthetic 40:1

    More later
    Jds
    I ran out of Altitude, Airspeed and Ideas !

  12. #12
    cap10b's Avatar
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    RE: 3W-50I

    Topflite 24x8 6400
    23x8 Bunny wood wildhare std wood
    6670
    I ran out of Altitude, Airspeed and Ideas !

  13. #13
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    RE: 3W-50I

    more 3W-50I pics

    These not so good pics are the same engine different muffler system on a Cap 21 that it never flew on.
    I took the good engine off and installed a Brave Heart 50 on it instead.
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    I ran out of Altitude, Airspeed and Ideas !


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