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    Skeeter Jr.

    It seems that measuring bearing preload is in itself a debatable topic. For measuring transmission tapered roller bearing preload, does one need to measure the "breakout" torque, or the "turning" torque? I would interpret we are after the "turning" toque value. For breakout torque, this is...
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    One-Design Helicopter, anyone?

    Well Bryan, it seems from my research that I'll shoot for 50 in.lb mast preload, 35 in.lb pinion preload, 006" backlash, set up at 200F case temp. How does this sound to you? I've posted this on my build page as well, we can continue discussing it there...
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    Skeeter Jr.

    Bryan, it seems from my research that I'll shoot for 50 in.lb mast preload, 35 in.lb pinion preload, 006" backlash, set up at 200F case temp. How does this sound to you? Cheers, Francois
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    One-Design Helicopter, anyone?

    Thanks Bryan, much appreciated. Cheers, Francois
  5. H

    One-Design Helicopter, anyone?

    Bryan, with you online again, do you have quick access in checking what the M-500 pinion shaft set and main shaft set bearing preload value needs to be? I recall it's some ft/lb value that I need to set up a 1ft arm and measure the rotation preload with a pull-scale. Did you do yours with the...
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    One-Design Helicopter, anyone?

    My issue is not one of fear, but one of spare hands. No other enthusiasts close by, so doing it alone becomes difficult and cumbersome. This is why I'm not looking forward to it, for it will be a labour intensive task to do alone. COVID has also turned many, my family included, into partial...
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    One-Design Helicopter, anyone?

    Hi Ben, Your project looks great. Keep up the good progress. Cheers, F.
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    One-Design Helicopter, anyone?

    Bryan, I'm sorry to hear about your current hardship. Unfortunately you learned the hard way, social media has become a tool of destruction. There is no longer a thing called loyalty. I always said there is no letter "I" in "Team, but then realised there are the letters "M" and "E", so instead...
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    One-Design Helicopter, anyone?

    Hi Barney, Great to hear you are still in the tinkering game. I'm still very much indebted to you for hauling my parts half around the US. Great video's on your page. That steam engine looks a hoot. Many moons ago I tried the same with a Scorpion 133, the pipes were glowing red trying to get...
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    One-Design Helicopter, anyone?

    It's lately been very quite on the helicopter forums. Is there anyone out there still tinkering with some one-design helicopters? Bryan, Dennis, Barney, Cam, John, Rick, Don ....
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    Skeeter Jr.

    Here the final panel, all populated. Cheers, F.
  12. H

    Skeeter Jr.

    Hi Bryan, I have one. This is why I needed the operating temp range, the custom markings are a special order from Westach. Instrument was dispatched last week, hopefully here soon. Cheers, F.
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    Bensen Gyrocopter for sale

    Are those Chinese or Vortech blades?
  14. H

    Electronic Governor

    Made some progress towards the engine governor for Skeeter Jr again. I needed to come up with the correct pulses/rev to match the EG3000 controllers input range. The best match to suit the engine 6134RPM was to operate the governor in it's 600Hz - 1200Hz range. With 11 pulses/rev I'll be able to...
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    Skeeter Jr.

    Brian, with a stock Mini transmission, am I assuming correctly that the oil mainly remains in the lower transmission area below the crown gear, not a lot splashes up past the crown gear up onto the casing sides, as the oil flung off the pinion is shielded from going upwards by the crown gear...
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    Skeeter Jr.

    Thanks Chuck, much appreciated. I vaguely recalling someone stating their Mini-500 transmission was running around 200F to 220F. Was this seen as normal temp? Seems a bit high to me, but feedback on previous experience from others would help me a lot. Cheers, Francois.
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    Skeeter Jr.

    Has anyone measured/recorded the Mini-500 or CH-7's main transmission oil temperature during normal operations? I need to determine what the red line needs to be set to on the trans temp gauge. Thanks, Francois.
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    My $1700 Mini 500 project

    That puppy must have had a classic tail strike. Look at the whack the rotor left into the aft end of the boom, across the Danger decal. And to wring up a pitch link like that, it had to be a good and solid blade strike into the boom, not simply a deflected blow. From experience, that TRT output...
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    Mini 500 forum ??

    Dave, did you buy this one from Laurie up in Queensland? Cheers, Francois
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    help with Engine / Rotor Tachometer P / N A792-2

    Thanks Helipaddy, it shows that the engine RPM signal is sensed off the LH magneto, and the rotor RPM signal is generated by a tacho generator.
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