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Re: To tow or not to tow - that is the question

Postby Rick Masters » Tue Jul 21, 2015 10:11 am

One frame I hadn't noticed (perhaps I was holding my nose) was post-impact. Those power lines are even closer than they appear in the wide-angle lens. He almost hit them.

Like Frank, I've never towed. There are too many complications that can quickly add up into an accident. For me, hang gliding is about running off the earth into the sky. I don't need help.

Towing is advantageous to two groups: pilots without hills and instructors without patience.

I would be very happy if the U.S. Hawks left towing under the auspices of the USHPA - along with tandem instruction (real or imagined).
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Re: To tow or not to tow - that is the question

Postby Bill Cummings » Tue Jul 21, 2015 11:13 am

There is more than a routing problem here. Can you spot it? (I'll answer later.)
more than routing problem. do you see it--.JPG
more than routing problem. do you see it--.JPG (31.14 KiB) Viewed 8237 times
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Re: To tow or not to tow - that is the question

Postby JoeF » Tue Jul 21, 2015 11:35 am

Generally a second on RM's post. And let tandem be a fully separate activity; at any one moment one of the two persons (or more) is PIC and the other(s) are passengers for whatever reason.

Launching a hang glider may be done by very many methods: balloon drop (athlete for John J. Montgomery), elastic bungee, airplane towing (AT), static-line towing, ,moving-vehicle platform towing, powered reeling towing, electric motor onboard, ICE onboard, on-board powered winch with tether to fixed ground anchor, launch off an established kite system's incline or drop mechanism, catapult, rocket assist, friends towing, dog-team towing, horse towing, ship towing, parachute towing, water-chute towing, ambient-wind kiting and release, ambient wind FFAWE methods with release, LTA hang glider with buoyancy controls for up gliding and down gliding, power-boat towing, power-kiting systems as prime mover for tow action, etc. (not exhaustive list : ) ) Add the realm of step-towing to some of the launch methods, if you will.

The methods mentioned in the list are not hang gliding, but launch methods with hang gliding as a target result. The methods mentioned form a mechanical complex that needs mastery for itself to be safe. Those mentioned methods can be chosen as sport and recreation in themselves. But all of those methods are not foot-launch hang gliding from fixed soil. Will there be an org that specializes in foot-launch hang gliding while leaving other kinds of sports for development and service by other distinct orgs?

One sector might get further attention: flatland arenas. The pilot looks out his or her home window and sees great plains. "No hill. No mountain. Hey, tow me up! I want to fly a hang glider!" So, he or she locates some like-mindeds and form a flatland towing club; they advance the towing methods and use them; they get up and release into glides, some of which end up to be neat soaring flights. Hey, we are hang gliders too! Yes, and no; no on the launching, but yes after release; system as a total entity: no. Such occurs and will. That said, will there be an org that simply specializes in just foot-launch hang gliding wherein towing, ballooning, and sling-shot launching, are appreciated but not made a part of the org, as such? It is suspected that there is more than enough to develop and do in foot-launch hang gliding to keep many innovators busy for decades to come. It is suspected that the technical aspects of foot-launching may be enough rich to challenge the best. And even flatland arenas may have more going for them than yet appreciated as regards foot-launch hang gliding; I put put some notes for such in the next paragraph.

Flatland Realm Foot-launch Hang Gliding
1. Flatland foot-launch hang gliding could invite great wing runners to be grown, nurtured, revered, and active. Pop ups and parachutals. Long-ground-effect glides using keen Safe-Splat arrangements! The physical exhilaration of wing running and wing running into glides and landings could challenge high athleticism. Competitions, games. Records. Structure of wings could become specialized for niche games.

2. Flatland Realm could hold artificial inclines. Extant building could feature inclines on rooftops. New buildings could keep hang gliders in mind. Attention architects. There is opportunity in planning ahead on these matters. And retrofitting a building for hang glider foot-launching is possible.

3. Wind fences? Foot-launch and soar wind fences, even for hours.

4. [ ] [Open for ideas for flatland foot-launch hang gliding....without towing, rockets, engines, etc. ]

========================
BillC, I will be looking forward to your release explanation!
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Re: To tow or not to tow - that is the question

Postby SamKellner » Tue Jul 21, 2015 2:25 pm

Hi Bill,

That release looks to be sewn by a beginner :wtf: :crazy:

The shortest loop should be pulled through the eyelet.

Also there's no pocket to cover the end of the release pin. The release line can get wrapped under the pin and no matter how hard you pull............... :thumbdown: :x
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Re: To tow or not to tow - that is the question

Postby Bill Cummings » Tue Jul 21, 2015 9:11 pm

Hi Sam,
I’ve got a sewing machine here in the Good Will pile by the front door that wouldn’t out do that sewing job in the picture.

Yes it was a misrouting of the three string release that caused the failure to release.

I haven’t yet run across the picture showing the missing pin, end, pocket, only the one side like I have pictured.

The answer to my question is that the last biggest string of the three string release is through a loop that should be even a bigger diameter string/loop.

Releasing a bigger cord than the last string of the release will further reduce the chance of a capture upon release.

This is actually why each string of the three string release has different ascending cord diameters as it gets closer to the cord to be released.
Same diam. cord is not good..JPG
Same diam. cord is not good..JPG (31.4 KiB) Viewed 8223 times
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Re: To tow or not to tow - that is the question

Postby JoeF » Wed Jul 22, 2015 10:51 am

In 1963 and following


"Muscle car" kites lifting body glider ...

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

https://en.wikipedia.org/wiki/NASA_M2-F1
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Re: To tow or not to tow - that is the question

Postby SamKellner » Wed Jul 22, 2015 3:29 pm

To Fly or not to Fly - That's the question

give us some slack, Mountain Man :)
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Re: To tow or not to tow - that is the question

Postby Bill Cummings » Wed Jul 22, 2015 4:13 pm

SamKellner wrote:To Fly or not to Fly - That's the question

give us some slack, Mountain Man :)

Mountain Man, get away from the tow line with your hook knife! :shock:
Edit: 17:30 MDST
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Soon we will be a club of naked bottom dwellers.
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Re: To tow or not to tow - that is the question

Postby Rick Masters » Wed Jul 22, 2015 7:22 pm

Towing accidents in my global database (very incomplete), last 5 years

PG June 8, 2015 dead
PG June 6, 2015 broken back
THG March 27, 2015 dead pilot
THG March 27, 2015 dead passenger
HG November 10, 2014 broken back
HG October 3, 2014 dead
HG September 23, 2014 head injuries
PG June 27, 2014 dead
PG January 9, 2014 dead
PG November 16, 2013 multiple fractures
HG July 24, 2013 dead
PG July 21, 2013 dead
THG July 21, 2013 dead pilot
HG July 13, 2013 dead
HG June 30, 2013 head injuries
HG February 2, 2013 dead
HG June 16, 2012 dead
HG March 3, 2012 dead
HG October 29, 2011 dead
PG September 24, 2011 broken back, pelvis
PG September 13, 2011 broken back
PG July 10, 2011 dead
PG June 22, 2011 broken back
PG April 3, 2011 broken back
PG February 26, 2011 dead
HG January 15, 2011 major injuries
HG October 15, 2010 dead
PG August 7, 2010 dead
HG July 22, 2010 dead

Is that enough slack?
Be careful, pitiful flatlanders.
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Re: To tow or not to tow - that is the question

Postby Bob Kuczewski » Wed Jul 22, 2015 7:33 pm

billcummings wrote:Mountain Man, get away from the tow line with your hook knife! :shock:
Edit: 17:30 MDST
First we have our panties removed next we're about to loose our drawstring.
Soon we will be a club of naked bottom dwellers.


:srofl: :srofl: :srofl: :srofl: :srofl: :srofl: :srofl: :srofl: :srofl: :srofl:

Bill, you have a way with words!!!
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