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Type: Posts; User: bob turner

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    These are PA-11 spars. The holes seem to match...

    These are PA-11 spars. The holes seem to match the original Piper J-3 spars. I did not take precision measurements, since the ferrules were already pressed in.
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    Yeah. At 500 feet, you either have to be in the...

    Yeah. At 500 feet, you either have to be in the process of taking off or landing, or very sure that you are 500 feet or better from the nearest ranch house or pickup truck.
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    Well, I am replacing Dakota spars with Dakota...

    Well, I am replacing Dakota spars with Dakota spars. Before the wing got bent, it fit perfectly. I double checked the front spar, thinking I had to drill the fuel tank attach holes. Nope - already...
  4. Thread: Draco

    by bob turner
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    I started to watch, but decided I would wait for...

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    Dakota Cub wings!

    Been almost a half century since I replaced metal spars. I am halfway through such a replacement, and am really, really pleased with the fit of Dakota spars. They are drilled for everything except...
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    I picked up a Champ several years ago - the guy...

    I picked up a Champ several years ago - the guy said he used lightweight fabric. I almost panicked. To me, Stits always had glider cloth, intermediate 2.6 oz/yd (which I use) and heavy - 101, or...
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    Keep it stock. Next time you recover, consider...

    Keep it stock. Next time you recover, consider that new lightweight Stits. I had no idea they had changed fabrics.
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    I think by definition Vx gives a better gradient...

    I think by definition Vx gives a better gradient than Vy. It is about 50% better in my Stroker J-3. Lifting off above liftoff speed may be good for jets, but it doesn't help with Cubs.

    Yes, I...
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    Robbie Grove has a Tango Cub that actually works....

    Robbie Grove has a Tango Cub that actually works. Not sure that any of the others are all that great, so he may have setup suggestions.
    My suggestion is convert to heel brakes. Grove has really...
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    Yep. Talked to the original restorer. Poly Tone...

    Yep. Talked to the original restorer. Poly Tone white under the yellow. I should be able to match the original - and the Wag wing rotator arrived today. Thanks for the hints. You guys steered me...
  11. They are required to give you a reason in...

    They are required to give you a reason in writing. I could look it up, but it is on the very first page of one of those Technical Orders.
  12. One can easily fly an aircraft without a license...

    One can easily fly an aircraft without a license or ferry permit without getting "caught." But here in the lower 48, your insurance does not cover you.

    I tell my students - "You pay thousands of...
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    No kidding? It is clear he used Stitts fabric...

    No kidding? It is clear he used Stitts fabric and Poly Brush.

    Tell me more. Logbook says Aerothane Cub yellow. His IA approved several major alterations. I converted them to field approvals....
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    I read my first one in 1969. Bought stuff from...

    I read my first one in 1969. Bought stuff from Ray Stitts himself. My airplane is approved for Stitts through silver, then anything. Later manuals are less forgiving.

    My problem with Poly Tone...
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    Aerothane question

    Whatever else can be said about the “Ellis” Cubs, their fabric was beautiful - a work of art. I am tasked with supervising a repair - I will be trying to match 2003 Aerothane Cub Yellow.

    My...
  16. Will they do as with DPEs and have everybody go...

    Will they do as with DPEs and have everybody go to OKC at their own expense, maybe even for yearly conferences? Will you have to flunk half the applications?
  17. Thread: Spar repair

    by bob turner
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    Thanks. I was just going to put a plate in...

    Thanks. I was just going to put a plate in there, but the flanges will add to the strength, and the leading edge has to come off anyway.
  18. Thread: Spar repair

    by bob turner
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    Neat thread. I had all the J-3 bulletins - Piper...

    Neat thread. I had all the J-3 bulletins - Piper would send them for free at the slightest provocation. I have long since misplaced both sets sent to me in the 1960s.

    Anybody aware of a similar...
  19. Be polite. Call them once a week, and get a...

    Be polite. Call them once a week, and get a meeting to "discuss." This has been working for me, although some of the brake conversions have taken a year of polite pestering. And, apparently, do it...
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    I have seen folks regrind what looks to me to be...

    I have seen folks regrind what looks to me to be very serviceable tappers and cams. I think, without any evidence, that regrinding removes something important.
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    Never had one outside an airline environment. ...

    Never had one outside an airline environment. Feds come by my hangar regularly, never ask to see anything.
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    Yow! I have never seen any that bad.

    Yow! I have never seen any that bad.
  23. I heard that rumor about field approvals. I got...

    I heard that rumor about field approvals. I got five last week, saving the owners thousands of dollars in DAR-T time.
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    I no longer fly in the rain with my SL-40 and...

    I no longer fly in the rain with my SL-40 and PM-501. Have no idea what is happening, but it goes into transmit mode. Mark Scheuer assures me it is not the intercom, which worked fine for two...
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    If you fly 90 hours a year that is almost twice a...

    If you fly 90 hours a year that is almost twice a week. Did you actually see the rust? My Decathlon flies less than that, and so far after 15 years no problem.
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