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Type: Posts; User: SJN

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  1. Replies
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    Everybody wants one....no one can afford one :-)

    Everybody wants one....no one can afford one :-)
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    Mine is also too close to the CG. I put a 6mm...

    Mine is also too close to the CG.

    I put a 6mm block on the rear landing gear beam to angle the landing gear forward.
    Seems to work ok as you see in the video.
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    3rd flight on my Yak :-) Still setting up the...

    3rd flight on my Yak :-)
    Still setting up the plane and changing CG...its still a bit pitch sensitive.

    Stock engine runs great so far.....7 liters through it now.

    ...
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    I dont think it will not be enough. It flew my...

    I dont think it will not be enough.
    It flew my BH Gilmore red lion at 8k ok, but not overpowered.

    I would reccomend the saito 60 or 84 gas radial instead.

    The 84FG flys my 17 kg Yak allright. ...
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    Thanks Skyflash. Video of the 3rd...

    Thanks Skyflash.

    Video of the 3rd flight......still a bit pitch sensitive.
    Will add a little more lead in the nose, and also give it a little more down thrust.

    ...
  6. Thread: Gaui F-50 4 stroke

    by SJN
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    Thanks for the feedback. I might try the torque...

    Thanks for the feedback.
    I might try the torque pro 70cc instead.
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    Number 49 is not open to the crank case......the...

    Number 49 is not open to the crank case......the "hole" you see in the picture is actualy a blanked off wall deviding the crack case to the intake manifold.
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    fantastic.....eager to hear about the vibration...

    fantastic.....eager to hear about the vibration level at idle, if it makes a noticable difference
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    so....now we just need someone to try it at 28...

    so....now we just need someone to try it at 28 degrees, and report back on how smoothe it runs, and some RPM numbers from various timings :-)
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    yea, but it does not change te fact that the...

    yea, but it does not change te fact that the metal used in this engine is of low quality, and will not last long.

    get the saito fg 60, and have many succesfull flights :-)
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    Hi Andrea, I just meassured mine. The radius...

    Hi Andrea, I just meassured mine.

    The radius on mine is 11.5cm....so 23cm diameter.
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    245cm, and 17kg. 24x10 prop at 6200 on the...

    245cm, and 17kg. 24x10 prop at 6200 on the ground after 5 tanks
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    Yea, it does sound nice on the stock flex...

    Yea, it does sound nice on the stock flex pipes.....must sound even better with a collector ring exhaust......think I will make one soon :-)
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    mine is still new and only run 5 liters. At...

    mine is still new and only run 5 liters.

    At the moment I always squirt some fuel into the fully open carb, and turn the engine over ignition off.
    Then set the throttle at idle again, and it...
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    First 3 liters I ran 20:1, then 15: 1 on the last...

    First 3 liters I ran 20:1, then 15: 1 on the last 2 liters, and the maiden flight, using Castorl TTS power racing oil.
    I was VERY carefull monitoring the cylinder temps during break in, as you can...
  16. Thread: PBR 31MKII

    by SJN
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    Thanks, still not finished yet :-) Now I just...

    Thanks, still not finished yet :-)

    Now I just have to buy a hige HUEY Chopper to match it :-)
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    After funning 5 liters through it, I had my...

    After funning 5 liters through it, I had my maiden flight.....engine ran great....plane needs some bugs fixed before next flight :-)

    But very satisfied with the engine at the moment.

    ...
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    A friend got a vid of the maiden flight....... ...

    A friend got a vid of the maiden flight....... yea yea, not brilliant, the next ones will be fantastic though when I get all the bugs ironed out :-)


    https://www.youtube.com/watch?v=xIPQvo9JKRQ
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    Thanks. :-) Had the maiden flight today after...

    Thanks. :-)

    Had the maiden flight today after running 5 tanks of gas through the engine, and it flew and sounded great :-)
    Plenty of power from the FG84, and the 22/10 prop. Im going try a...
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    Thanks :-)

    Thanks :-)
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    Checked the valve clearance on all cylinders, and...

    Checked the valve clearance on all cylinders, and found #3 cylinder too tight, as it was slightly holding the exhast valve open slightly, making it leak.

    Saito manual says due to the thermal...
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    Maiden flight closing in.....was out running in...

    Maiden flight closing in.....was out running in my radial engine......needs some more run time before the first flight. :D



    https://www.youtube.com/watch?v=Uuy-kflmh6U&feature=youtu.be
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    Ran through 3 tanks today on the 84FG, and...

    Ran through 3 tanks today on the 84FG, and getting to learn tuning a radial.
    My low speed needle was completly wrong, as it was way too lean from the factory......but got it all sorted out.
    Number...
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    nooooo.....just make sure you dont touch the...

    nooooo.....just make sure you dont touch the spinning prop, and all will be fine :-)

    Weather is still realy bad, so I have not had a chance to get out and run it :-(
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    I just finished the Yak-3U, and ready to maiden...

    I just finished the Yak-3U, and ready to maiden it.
    It is a much newer generation of the CY line, and the fit and finish is quite a bit better than the spitfire and Bearcat that I have from them....
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