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  1. Thread: Ski Springs

    by courierguy
    Replies
    26
    Views
    966

    I just heard back from the Datum head guy, and...

    I just heard back from the Datum head guy, and he agreed it'd be a good idea to replace mine, with the years on them. He has a pair on the way to me, and it sounds like due to my relentless cheer...
  2. Thread: Ski Springs

    by courierguy
    Replies
    26
    Views
    966

    Thread drift I know, but ski related: I can get...

    Thread drift I know, but ski related: I can get 50' of this USA made UV resistant black shock cord, for $37.00 and free freight. Probably less then just the customs charge from Quebec. I could re-use...
  3. Thread: Ski Springs

    by courierguy
    Replies
    26
    Views
    966

    Air load on the bungees? Never thought of that,...

    Air load on the bungees? Never thought of that, but just eyeballing mine they don't appear to be under much tension while in flight, maybe it's the way I have the skis rigged, and the shape of the...
  4. Thread: Ski Springs

    by courierguy
    Replies
    26
    Views
    966

    Bungees for me on the Datum's, but it's rare,...

    Bungees for me on the Datum's, but it's rare, never actually, that I get below zero temps. And when in the hangar I always block up the skis to take the load off them.
  5. Replies
    8
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    457

    I fly with my phone plugged into my Lightspeed...

    I fly with my phone plugged into my Lightspeed just so I can say and think I'm working, as in if I get a call for a crane job, I can beat feet home and get to my job. My phone for some reason works...
  6. Replies
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    904

    Not to bring down the conversation, but I have...

    Not to bring down the conversation, but I have had great experience with bonding aluminum with JB Weld. I mean for decades now, and yes I use some 80 grit paper to roughen it up a bit, then clean it...
  7. Replies
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    1,356

    On a much smaller scale.... I used a Subaru...

    On a much smaller scale.... I used a Subaru conversion in my first S-7, about 40 pounds heavier then the Rotax I used in my current. It worked great, and was totally reliable for 1300 hours, until I...
  8. Replies
    133
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    40,988

    One story that made the rounds back in the...

    One story that made the rounds back in the ultralight days, was the 7:5016 airfoil on the Quick. Called that as it was derived from bending the 1/2" tubing using a pickup truck tire that size. NOT a...
  9. Replies
    76
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    9,634

    Any experience, anyone, with getting so caught up...

    Any experience, anyone, with getting so caught up in the enhanced low speed/short landing improvements, that you have landed an off airport site, then realized you couldn't get back out?! I was...
  10. Replies
    1,406
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    344,922

    In the mid '80's, I was a Pterodactyl ultralight...

    In the mid '80's, I was a Pterodactyl ultralight dealer, trainer, pilot, you name it. I had segued into the 'dac as before it came along I was a Manta hang glider dealer, trainer, etc., and the 'dac...
  11. Replies
    33
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    2,294

    Can't fit the bike in my Cub, since I don't have...

    Can't fit the bike in my Cub, since I don't have one! But it fits fine in my RANS S-7S thanks to the big doors, as in long. The rear tire jams up tight against the fuselage station in front of the...
  12. Replies
    33
    Views
    2,294

    I'm told by those who know, that the newer hinge...

    I'm told by those who know, that the newer hinge system, is lighter and quicker, though I'm happy with the way it is now. I'll change it over just to save a few pounds, and a little drag, and still...
  13. Replies
    88
    Views
    26,805

    I'm tapping out, before I start. Anne at Micro...

    I'm tapping out, before I start. Anne at Micro got me lined out, turns out there is a reason why you don't see this done.....my vortices are perfectly fine as is, even way back there, extra aft VG's...
  14. Replies
    88
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    26,805

    last pic

    last pic
  15. Replies
    88
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    26,805

    That's been done, by S-7 guru Joel Milloway, with...

    That's been done, by S-7 guru Joel Milloway, with good effect, no decrease in cruise near as he can tell, and more effective flapping. But he also made them wider span, and went deeper chord on the...
  16. Replies
    88
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    26,805

    One thing at a time, and preferably easy on and...

    One thing at a time, and preferably easy on and off, for experimental purposes. Still not quite ready to invest in slats, time and labor wise, and any speed hit. Which also means less range and...
  17. Replies
    88
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    26,805

    The RANS S-7 has what I believe is properly...

    The RANS S-7 has what I believe is properly referred to as "plain" flaps. Not to be confused with plane flaps. They hinge at the trailing edge in such a way that is simple, light, and easy to...
  18. Replies
    33
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    2,294

    I saw the panel placard, cautioning anyone flying...

    I saw the panel placard, cautioning anyone flying it, at what revs and at what altitude, they needed to keep it under in order to keep it a legal LSA. I kept a straight face while reading it.

    ...
  19. Replies
    33
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    2,294

    I think all pilots may fudge a bit when the...

    I think all pilots may fudge a bit when the weight of their planes, but this seemed off enough to catch my attention and make me wonder. In no way do I want to cast any aspersions on it's owner,...
  20. Replies
    33
    Views
    2,294

    830 lb Carbon Cub?

    I was told, twice, by it's owner this weekend it only weighed 830 pounds, I was amazed at the time but afterwards started thinking.... and did a little research. Cub Crafter's own lightest claim is...
  21. On a T-Craft fuselage side, only after you take...

    On a T-Craft fuselage side, only after you take great pains to lay out a perfectly straight line for the masking tape, using a laser or dry line, will you find that an actual straight line will...
  22. Replies
    41
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    6,122

    The guy who landed on a 8,000' ridge last winter,...

    The guy who landed on a 8,000' ridge last winter, without skis, ( https://www.youtube.com/watch?v=ycv2GDm2DOo&t=561s) called me the other day, looks like he is going with Summit's this year for his...
  23. I'm not sure how sea level (or close to it) ops...

    I'm not sure how sea level (or close to it) ops at standard temps compare to 14 degree temps at 6,000' density altitude wise, but I do know that my short local flight yesterday showed some pretty...
  24. Replies
    64
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    28,312

    Yeah, it's dead as a door nail, I just thought he...

    Yeah, it's dead as a door nail, I just thought he would find it interesting if he was not aware of it. All smoke and mirrors to me, composite work frightens me, I sure like the end results though.
  25. Replies
    64
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    28,312

    Steel, you may find this other carbon fiber...

    Steel, you may find this other carbon fiber cubalike of some interest: https://backcountrypilot.org/community/forum/latest/back-country-cub-lsa-prototype-13841 unfortunately this project has been...
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