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Type: Posts; User: MTK

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  1. Replies
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    88

    OS GT33 is the best of the bunch in this size....

    OS GT33 is the best of the bunch in this size. I've tried most of them and the 33 has power and torque to turn the bigger lumber. I'm using 20x12 on mine, but a 20x10 works great too. Or a 19x10 3...
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    70

    John, I bought one for my grandson for him to...

    John,
    I bought one for my grandson for him to learn to fly with. It is powered by the OS GT15, a 90 sized gas engine. It is a few ounces heavier than the 60 you mention and the plane of course came...
  3. Replies
    794
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    81,026

    Strip ailerons have always been iffy regarding...

    Strip ailerons have always been iffy regarding stiffness. I've seen my share depart from wings due to flutter. Let me suggest that 0.2 oz carbon veil be laid down with nitrate dope to stiffen them.
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    6,415

    Looks pretty small. But hey, whatever rocks your...

    Looks pretty small. But hey, whatever rocks your boat.

    Did you fly yours yet?
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    510

    Neither do I. Why would a "connection develop a...

    Neither do I. Why would a "connection develop a leak"? If any connection develops a leak, the tank or the carb are just as prone to develop it as as any other connection. I don't see advantages or...
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    510

    The number of connections between a 2-line and a...

    The number of connections between a 2-line and a 3-line is exactly the same. I counted them several years back point being that ANY connection can leak

    Getting crud in the klunk isn't a problem if...
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    510

    Two line set-ups with the Walbro klunk works...

    Two line set-ups with the Walbro klunk works greeat. Is all I use. I suspect the OP's connections are somewhat less than perfect. barbs on all fittings practically eliminate the bubbles in the lines....
  8. Replies
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    237

    Bob, it depends on how far off "a little off"...

    Bob, it depends on how far off "a little off" really is. If it's 3/16"-1/4", then it shouldn't be hard to cut a piece of 1/8" aluminum plate that can be drilled/tapped accordingly and installed on...
  9. This probably has a plug in stab. Check to make...

    This probably has a plug in stab. Check to make sure that the tube is very snug in the fuse. If the tube is a sliding fit only, then it may not be snug enough. I'd suggest that you epoxy a strip of...
  10. Replies
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    2,841

    I posted this back in 2012. Well the gas line is...

    I posted this back in 2012. Well the gas line is still flexible and works great in my original tank. Six years now..... I think this material is the right stuff for model planes and all small gas...
  11. Replies
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    1,836

    Sure.......

    Sure.... http://www.rcuniverse.com/forum/gas-engines-142/11015010-plastic-fittings-water-juice-bottles.html#post11015010
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    599

    That's a common ailment for slightly lean low...

    That's a common ailment for slightly lean low end. Fatten it up slightly, less than 1/8 turn on the LS needle only. It should settle in quickly. Another way to tell if your low end is slightly lean...
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    1,836

    I keep forgetting that the T-Cup is my grandson's...

    I keep forgetting that the T-Cup is my grandson's name for the T-Clip he got for his b'day. The T-Clip is one of the Sig arfies.....it's a short coupled cabin trainer type that comes out too nose...
  14. Replies
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    1,836

    For rear carb set-ups, the carb will sit inside...

    For rear carb set-ups, the carb will sit inside the soft iso mount's center hole. The firewall has a similar hole cut in its center area. The carb simply can't be sitting in a bubble in the cowl...
  15. Replies
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    1,630

    My experience with the GT33 was incredible for...

    My experience with the GT33 was incredible for the first 4 flights. Then something happened which I couldn't tell without disassembly, and the engine stopped working. I sent it back to HS and it took...
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    1,630

    It's a simple engine to run the OSGT15. Its...

    It's a simple engine to run the OSGT15. Its ignition module is smaller and lighter than that of the GT33/GT60. I'm turning an apc 14x8 on mine. I'm using the same 50:1 mix as I use on all of my...
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    1,630

    Note that Avgas is LL meaning low lead. The spark...

    Note that Avgas is LL meaning low lead. The spark plug will need cleaning every 10-15 gallons or so. You may also want to open the engine up at that time and check for cleanliness/build up. With good...
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    1,630

    Autogas smells lousy I agree. Let me recommend...

    Autogas smells lousy I agree. Let me recommend you use Avgas 100LL. No smell to speak of and what little there is is actually pleasant. Carb Settings need no significant changes. Is what I use in my...
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    309

    I agree with Matthew if the plumbbob is located...

    I agree with Matthew if the plumbbob is located properly, the balance is way too far back. An earlier poster mentioned a good starting place for this model...1/4 of the chord starting at the wing LE...
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    Good for you Handy. Assuming 15 minute flights,...

    Good for you Handy. Assuming 15 minute flights, 50 hours worth of flying is 200 flights or about a season's worth of flying. If he gets 50 hours flying out of the crate, sounds like a bargain.....
    ...
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    The noise factor, as has been stated already, is...

    The noise factor, as has been stated already, is due to muffler design, intake, engine rpm and prop design, in no particular order of significance. The one thing nobody mentioned is the mounting of...
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    Very good guys! I also used a 19x10 laminated...

    Very good guys!

    I also used a 19x10 laminated woodie on my DLE35R. I used an ESComposites 40G pipe on mine and set the length to 27" from center of head to the reflector inside the pipe, following...
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    Sticky: Agreed. I only wish that they would make some of...

    Agreed. I only wish that they would make some of these engines in rear exhaust. Their GT33 for example would be much simpler to set-up and operate in the tight confines of pattern fuses. Oh BTW, the...
  24. Thread: OS gas glow plug

    by MTK
    Replies
    49
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    2,622

    I'm not sure how yours adds to the thread either....

    I'm not sure how yours adds to the thread either. Lighten up, geesh...
    FWIW- My GG15 was taking forever to show up so I decided against it and opted for the ignition version. It's about as sweet a...
  25. How deep do you think it penetrates? And how deep...

    How deep do you think it penetrates? And how deep do you think dope penetrates? Or CA or PU paint? And how much strength is added?

    If these are used in thin section they don't add much. Pile on...
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