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Thread: airplane short takeoff/landing records

  1. #21
    Toolmaker51's Avatar
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    Too bad 2-stroke engined high performance bikes didn't stay around for the widend digital era. Can you imagine what tuning they could accomplish now?
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  2. #22
    PJs
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    Quote Originally Posted by Toolmaker51 View Post
    Ate Sporty's? One of them maybe not. Borrani wheels, Bridgestone 70's, Sifton Cams, Drag Pipes, 40DCOE, Rajah plug terminals, a weird Moon coil, stock 1000cc but 11:1 Venolia's, if only Andrews gears were developed earlier...I normally got them to buy a rolling start. Generous pinheads thought RPM's meant everything.
    Lol, torque is what gets things moving.
    I wanted to emulate Jerry Magnusen's [Santa Ana, CA] crank driven blower setup, his 2-71 PEPCO magneto ironhead. I was probably enough machinist, but too little tooling for what is kinda highly WAY dialed-in work.
    It didn't have a name so much as a title..."Cut Across Sporty"
    And noooo, if you've been 6'6'' since then I definitely wasn't rocking your shoes. I wore 9D at the time.
    Well maybe not that one but several other wanna be's. Don't think any could keep up in the corners though. Did a few things to the forks, swing arm, rear shocks, running K87's and being that tall gave me the ability to toss it over pretty easy. I ground of 2 Generator covers dropping knees till they leaked and sold it before the 3rd started leaking. Only thing I got beat by in straight runs, was a Pantera and a VW microbus...Yep, with a 911S motor. The Pantera was from 45 up to 100 and then he started pulling away...the bus had me from 50 on.

    Torque....Interesting about the Z1's is that torque range especially off the line. Dumping the clutch at 4 grand it would dog down then catch. At 5 grand it would light the tire up and sit there...but at ~4500 he'd launch pretty good with a little spin and nose up about an inch.

    Frank, I never liked oil burners much either except on dirt where expansion chambers could be dialed in and made a difference but the noise drove me nuts. Banke rings a bell but yang yangs were never in my wheel house.

    PJ
    Last edited by PJs; 08-07-2018 at 06:07 PM.
    ‘‘Always do right. This will gratify some people and astonish the rest.’’
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  4. #23
    Jon
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  6. #24
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    Quote Originally Posted by Jon View Post
    <video controls autoplay>
    <source src="https://s3-us-west-1.amazonaws.com/hmt-forum/paraglider_bad_takeoff.mp4" type="video/mp4">
    Your browser does not support the video tag.
    </video>
    Yep that's about what I figure will happen to my friend should he ever try the stunt
    Never try to tell me it can't be done
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    What a way to blow a day, and miss a few at work. Certainly short take-off, dang near straight up. Keeping his shrouds in order, sure didn't get a panoramic view of shoreline. Probably didn't appreciate close up of flora & fauna in landing...
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    Jon
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  11. #27
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    Quote Originally Posted by Jon View Post
    <video controls autoplay loop>
    <source src="https://s3-us-west-1.amazonaws.com/hmt-forum/hang_glider_ramp_takeoff.mp4" type="video/mp4">
    Your browser does not support the video tag.
    </video>
    was that his superman or batman cape he was wearing? Probably wasn't superman because eh was still relying on the wings to float above the clouds.
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  12. #28
    PJs
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    It's a bag to tuck into once airborne. Adds to aerodynamics but a bit rough to disembark from prior to landing.
    ‘‘Always do right. This will gratify some people and astonish the rest.’’
    Mark Twain

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    Quote Originally Posted by PJs View Post
    It's a bag to tuck into once airborne. Adds to aerodynamics but a bit rough to disembark from prior to landing.
    I can imagine. Nothing like having your feet tangled in your boot laces when landing from a jump. Getting them out of a bag seems to me would be even worse
    Never try to tell me it can't be done
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  14. #30
    PJs
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    I can imagine. Nothing like having your feet tangled in your boot laces when landing from a jump. Getting them out of a bag seems to me would be even worse
    Not as bad as it looks or sounds. To me it's handling the zipper while flying one handed. I think some have bottom zippers and a pull system to open and close them...but you can land in them. More about the physics of pulling yourself up and out from the upper part of the bar. They are actually pretty hi-tech and for a long flight, saves a lot of muscles provides water and pouches for stuff and a Chute in case the stuffing hits the fan.

    Here is one brand
    https://www.woodyvalley.eu/en/cat/hang-gliding/

    Page 22 of the booklet tells how to dismount prior to landing
    https://www.woodyvalley.eu/download/.../tenax4_en.pdf
    ‘‘Always do right. This will gratify some people and astonish the rest.’’
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