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by GregK
Wed Nov 28, 2018 6:59 am
Forum: Kitesurfing
Topic: High Pressure kite by Bruno Legaignoux
Replies: 94
Views: 9703

Re: High Pressure kite by Bruno Legaignoux

Thank you mixmatters for the links to the papers on Air Inflated Fabric Structures.

They do an excellent job of explaining how a pressurized fabric tube works, very enlightening.
by GregK
Mon Nov 26, 2018 6:52 am
Forum: Kitesurfing
Topic: High Pressure kite by Bruno Legaignoux
Replies: 94
Views: 9703

Re: High Pressure kite by Bruno Legaignoux

Thank you, Bruno, for your hard work to innovate and continue improving inflatable traction kites. Had to chuckle when I read some of the comments, thinking similar things were probably said decades ago by a few windsurfers when they saw your first kites whiz by. I sincerely hope you receive request...
by GregK
Sun Nov 25, 2018 7:56 am
Forum: Kitesurfing
Topic: North 5th Element line replacement
Replies: 1
Views: 228

Re: North 5th Element line replacement

Suspect your friend's lineset from Kiteboarding.com is Q-powerline Pro ( https://kiteboarding.com/proddetail.asp?prod=q-powerline_pro_lineset ). Watch the video at the bottom of this page for more info about the line. Very durable line, the original Q-powerline was developed for landboard & kite bug...
by GregK
Thu Nov 15, 2018 11:55 pm
Forum: Kitesurfing
Topic: What is kitesurfing for you? This it is for me
Replies: 65
Views: 4639

Re: What is kitesurfing for you? This it is for me

... have to admit. I am somewhat jelious of the Peter pan life style - I wonder if I would actually be as fulfilled as what am now?. .... Come on Plummet, you live in the 'Nak !! Any windjunkie in the know about that place dreams of living there. Yah, Bra-zill may be warmer and have more babes in b...
by GregK
Thu Nov 15, 2018 7:52 am
Forum: Kitesurfing
Topic: Bandit 8th edition bladder question
Replies: 7
Views: 515

Re: Bandit 8th edition bladder question

During a screening leak test ( kite pumped hard & coated with soapy water ) the air will leak out the nearest hole in the Dacron. Often that's a stitching hole at the LE closure seam, canopy-LE seam, or another spot with stitching. Leak will typically be in that general area.
by GregK
Thu Nov 15, 2018 7:50 am
Forum: Kitesurfing
Topic: Bandit 8th edition bladder question
Replies: 7
Views: 515

Re: Bandit 8th edition bladder question

To find the super tiny pinholes, you need to inflate the bladder in sections between the 1-pump valves. This will allow you to pump up that section of bladder to super drum tight pretty well across the section, stretching the bladder maybe 15 - 20 % circumferentially and opening up those tiny holes....
by GregK
Thu Nov 15, 2018 7:42 am
Forum: Kitesurfing
Topic: Bandit 8th edition bladder question
Replies: 7
Views: 515

Re: Bandit 8th edition bladder question

Highly doubt your patches are leaking unless you didn't clean the bladder before applying the patches and they have come off during re-installation. Might want to check on the old bladder the location of some of the new pinholes. If they are repeatably close to the original ones ( same pattern ) the...
by GregK
Sun Nov 11, 2018 5:59 am
Forum: Kitesurfing
Topic: Enter the world of Duotone
Replies: 22
Views: 2778

Re: Enter the world of Duotone

purdyd wrote:
Sun Nov 11, 2018 4:49 am
checkout 1:31 in the video
Saw that but with a human at the controls the steering and sheeting inputs won't be as repeatable as having a machine at the controls.
by GregK
Sun Nov 11, 2018 3:53 am
Forum: Kitesurfing
Topic: Enter the world of Duotone
Replies: 22
Views: 2778

Re: Enter the world of Duotone

Back in 1987, Gaastra, Bruce Peterson, Dave Russell, Jeff Magnan,Chuck Stahl and others developed and tested new windsurfing sails with the ADTR test rig, which apparently gave the first indications of the benefit of a loose leach sail and helped Pascal Maka win back the sailing speed record from Cr...
by GregK
Sun Nov 11, 2018 3:08 am
Forum: Kitesurfing
Topic: Enter the world of Duotone
Replies: 22
Views: 2778

Re: Enter the world of Duotone

This video made my day, 1 min:28 sec into this video, they show an instrumented kite flying / test rig being towed behind a small van. Finally ! The ability to test kites empirically instead of by subjective / comparative test riding. Want to know more about this test rig, particularly if it only ca...

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