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  1. Ditto.

    Ditto.
  2. Thread: homebuilt design

    by Dana
    Replies
    5
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    1,579

    Pazmany's Light Airplane Design. Bruhn's...

    Pazmany's Light Airplane Design. Bruhn's Analysis and Design of Flight Vehicle Structures. Peery's Aircraft Structures.
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    588

    What Ron said, with one caveat: If your special...

    What Ron said, with one caveat: If your special issuance requires anything on your part, like participation in a HIMS program, you have to keep that up until the medical expires. If you don't, and...
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    659

    I don't know what equation you're using, but for...

    I don't know what equation you're using, but for a given vertical speed a longer shock stroke absorbs the energy over a greater distance, so the load is less.
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    1,196

    Everybody worries about liability, but my...

    Everybody worries about liability, but my understanding is that there has never been a successful suit over a used homebuilt airplane. Put it on Barnstormers, the old 'dacs still have a following. ...
  6. Thread: Open Source Plans

    by Dana
    Replies
    13
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    1,654

    A new design that "looks very similar" is one...

    A new design that "looks very similar" is one thing, a copy with identical structure (or with very minor changes) is another. If your copy would make it possible for somebody to build a new plane...
  7. Thread: Open Source Plans

    by Dana
    Replies
    13
    Views
    1,654

    Not a lawyer, but I'd think that without...

    Not a lawyer, but I'd think that without permission from the copyright holder you'd be in violation of copyright law. Serial number has nothing to do with it a builder (from legitimate plans) can...
  8. Thread: Do You Look Up?

    by Dana
    Replies
    23
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    2,599

    Doesn't everybody?

    Doesn't everybody?
  9. Replies
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    59,815

    "Waldo Pepper" is my favorite, it doesn't hurt...

    "Waldo Pepper" is my favorite, it doesn't hurt that Dad took me to see it when I was a teenager, after reading all about the production in Flying magazine and waiting what seemed like forever for it...
  10. Hey Bill, do you ever miss Cadkey where you could...

    Hey Bill, do you ever miss Cadkey where you could model anything explicitly, without creating a separate file and sketch for every single component? No constraints... :P
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    17,797

    I have a "G-8" leather flight jacket which I like...

    I have a "G-8" leather flight jacket which I like regardless of the maker's claims of military origin almost certainly being false. It (with obligatory silk scarf) is still functional in the open...
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    What every forum software needs is this (this one...

    What every forum software needs is this (this one is from POA), which automatically shows up on any old thread just above the reply box:
  13. Thread: Need help

    by Dana
    Replies
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    1,703

    If the plane has a LH prop (top of prop moves to...

    If the plane has a LH prop (top of prop moves to the left when viewed from behind), then it will need left rudder, not right.
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    1,434

    If the bender can bend 1/4" mild steel it can...

    If the bender can bend 1/4" mild steel it can certainly bend 1/8" 4130... but you'll still want to stress relieve it afterward.

    You can also clamp the form in the vise and hold the workpiece in...
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    1,434

    Heat it. It's super easy to bend when red hot. ...

    Heat it. It's super easy to bend when red hot. Clamp one side in a vise with a suitable radius form to bend it around, heat the bend zone with a torch, and tap it around with a hammer. Then heat...
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    3,433

    I put two in my Hatz, one is a dual USB power...

    I put two in my Hatz, one is a dual USB power with a voltmeter and the other is a plain cigarette socket that I can plug anything into. Oddly, one of the USB others causes my intercom to break...
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    3,433

    I would suggest a cigarette lighter socket and an...

    I would suggest a cigarette lighter socket and an adapter in that, that way it's easier to replace if it craps out or you need to upgrade to the latest greatest fast charging standard.
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    3,099

    What Larry said, backpacking gear is going to be...

    What Larry said, backpacking gear is going to be lighter and better quality. I don't use a tent; instead I use a bivy sack (a gore-tex sleeping bag cover) and sleep under the wing. But if I was...
  19. If it takes $6000 to get it back in flying...

    If it takes $6000 to get it back in flying shape, great, but it could also take $30K to put it back into shape, then what?
  20. You can take anything apart that you want, you...

    You can take anything apart that you want, you only need the A&P to return it to service.
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    2,442

    I had my T-Craft tied down about seven miles from...

    I had my T-Craft tied down about seven miles from the ocean for a few years and at one point had to replace rotted lower longerons in the tail, but that's probably due to years outside in general,...
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    2,319

    A new wood prop installation is supposed to be ...

    A new wood prop installation is supposed to be retorqued after the first hour, then after 25 hours, and every 50 hours thereafter. Torque on 3/8" bolts is 15-19 ft-lb. From the Sensenich...
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    Yes, because there are a lot more people...

    Yes, because there are a lot more people interested in old cars than old airplanes. Supply and demand.
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    1,726

    According to LazairInfo.com...

    According to LazairInfo.com, the Lazair I has a max takeoff weight of 400 lbs, but they give the load limits of +4/-2 at 310 lbs. That works out to load limits of +3.1/-1.55, which is comparable to...
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    1,726

    Modern paramotor engines (20-30HP and under 30#)...

    Modern paramotor engines (20-30HP and under 30#) would be a good place to start.

    Useful load or gross weight could be limited by any one of a number of factors. If the limit is structural,...
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