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Re: Triangle Control Frame or A-Frame

Postby JoeF » Thu Sep 20, 2018 8:13 am

BradWingRunningNoHookTraining.JPG
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TCF during a level-ground wing running (WR) where the activity is not hang gliding self but kiting using arms as tethers to the TCF.
Shown is a clip from a training video with Brad as the running anchor to the kited-through-arms wing.
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Re: Triangle Control Frame or A-Frame

Postby JoeF » Mon Sep 24, 2018 11:58 am

TCFinsideTrikeFrame.JPG
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Clip from
sphg
Video uploaded by TheRidgehog
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Re: Triangle Control Frame or A-Frame

Postby JoeF » Mon Sep 24, 2018 2:31 pm

TCFpositionedTROUBLED.JPG
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This TCF position teases me to consider:
Could we have a sure quick unhook mechanical protocol?

Clip from Big Splash at funston
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Re: Triangle Control Frame or A-Frame

Postby JoeF » Tue Sep 25, 2018 9:26 am

Image
TCF with doubled ? downtubes positioned in test rig
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Re: Triangle Control Frame or A-Frame

Postby JoeF » Thu Oct 18, 2018 1:29 am

https://en.wikipedia.org/wiki/Wight_Quadruplane


=================================
Different: HG here:
https://www.youtube.com/watch?v=Ao-ymagLypI
This is a Quadruplane Hang Glider designed and built by Larry Hall around 1978. This video was taken from a VHS cassette tape that was made from the original Super 8 movie film. These flights were made at The Point of the Mountain, Utah. The glider had a span (top wing) of 20 feet 10 inches. It weighed approximately 65 pounds. There was an article about it in the January 1979 Soaring Magazine. Thanks for watching.
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Re: Triangle Control Frame or A-Frame

Postby JoeF » Tue Oct 30, 2018 9:29 pm

Eric Raymond, as quoted by another; primary source sought wrote:I had a rigid wing hang glider with diffuser tips and I tried to do forward tumbles with it. I thought the glider was strong enough to handle the loads of a tumble. It had big elevons which when tipped down would make a flying wing nose down radically, which was my intention. I built a harness with three carabiners. One you hook in normally. The others you hook in to the other two corners of the control bar after launch. You are just suspended in the triangle when you go upside down.
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Re: Triangle Control Frame or A-Frame

Postby magentabluesky » Sun Nov 25, 2018 12:24 pm

Dolly Shepherd references the trapeze triangle bar in her book “When the Chute Went Up”. The parachute lines were attached to the trapeze triangle bar with a sling between the corners of the lower apexes. The parachutist would sit on the sling (swing seat) and hang on to the trapeze triangle bar (base bar). There was also an optional belt with a hook attachment the parachutist could safety themselves to the base bar.

This was over one-hundred and ten years ago.

I highly recommend reading:

"When the Chute Went Up" by Dolly Shepherd

Excerpt:

Hazards of the Air

From time to time a member our team might ‘disappear’. Nothing would be said. He or she would just not be seen at any more shows, and if questioned, Captain Gaudron would merely say that the aeronaut in question had ‘left the team’. They had left, sure enough!

So Maud Brooks had ‘disappeared’, and Viola Kavanah, Devil-may-care Captain Smith and handsome, dashing Captain Fleet – They “disappeared’ too.

We learnt not to question these departures, for death was a subject on which we did not dwell. We might read of such an event in a newspaper, but if we did, our reaction was that of most people who flirt with danger: it might happen to them but never to me.
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Re: Triangle Control Frame or A-Frame

Postby JoeF » Sun Nov 25, 2018 2:49 pm

Very neat, Magentabluesky! :thumbup: :thumbup: :thumbup: :thumbup: :thumbup:
Great!
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Re: Triangle Control Frame or A-Frame

Postby JoeF » Wed Jun 19, 2019 9:00 pm

AGB1895.JPG
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CayleyTCFstudy1816.JPG
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Re: Triangle Control Frame or A-Frame

Postby JoeF » Sun Dec 17, 2023 1:23 pm

Trapeze, trapeze bar, triangle trapeze frame, control bar on trapeze, ... :: triangle control frame :: TCF was evident within the first 10 years of the 1900s in sport hang gliding meets, at least. The subassembly for hang gliders was used for sport hang gliding by W. Simon and others by 1910.
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