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Forums > Kitesurfing General

Pump up leading edge with hydrogen?!

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Created by dorothyinste > 9 months ago, 16 Feb 2013
dorothyinste
QLD, 464 posts
16 Feb 2013 8:16AM
Thumbs Up

If one were to pump up a 17m light wind kite with hydrogen or helium would it make a noticeable difference in light wind?

Rob S
VIC, 391 posts
16 Feb 2013 9:57AM
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no

yep
WA, 86 posts
16 Feb 2013 7:16AM
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Rob S said...
no


Bawhahaha! That's it then..... Sorted

Category5
NSW, 10 posts
16 Feb 2013 10:41AM
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I think you mean Nitrogen not Hydrogen, since Hydrogen is extremely flammable.. I second the "No" even if it did make a difference it would very minimal.. Not to mention the fact that it would be an absolute pain in the ass to pump your kite with either of the two, as well as expensive..

hamburglar
ACT, 2174 posts
16 Feb 2013 11:14AM
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It would be an absolute kitemare to self land at woodies

Neddero
NSW, 74 posts
16 Feb 2013 11:35AM
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You could do a pretty authentic hindenburg I'm thinking...

kiter2012
NSW, 19 posts
16 Feb 2013 11:39AM
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supposedly earths helium resources are running low and not sustainable so don't use that... or in your party balloons.

bjw
QLD, 3663 posts
16 Feb 2013 11:13AM
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hamburglar said...
It would be an absolute kitemare to self land at woodies


To true!! Self landing is like myth like that windsurfing is cool. With helium that'd be too funny!

stuntnaz
NSW, 540 posts
16 Feb 2013 12:37PM
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It would be really funny if you pumped up your kite ,turned around to do your lines and your kite floated away .

stabber
NSW, 1114 posts
16 Feb 2013 12:47PM
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One word.....Hindenburg!

stabber
NSW, 1114 posts
16 Feb 2013 12:50PM
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could be funny tho deflating the kite with all yer mates mouths around the valve....
Chipmunk harmonies anyone!

suniboy21
VIC, 1090 posts
16 Feb 2013 1:36PM
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Im certain that helium when compressed becomes heavier the oxygen.
Correct me if im wrong.

stamp
QLD, 2776 posts
16 Feb 2013 12:48PM
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isn't this on the list of banned recurring topics? (along with the eric video, kiting in the rain questions, bow kites are gaay, and boardies over wetsuit)

Rob S
VIC, 391 posts
16 Feb 2013 1:51PM
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stamp said...
isn't this on the list of banned recurring topics? (along with the eric video, kiting in the rain questions, bow kites are gaay, and boardies over wetsuit)


yes

cutch
WA, 67 posts
16 Feb 2013 11:37AM
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Oh the humanity

GalahOnTheBay
NSW, 4188 posts
16 Feb 2013 2:57PM
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cutch said...
Oh the humanity




AKSonline
WA, 925 posts
Site Sponsor
16 Feb 2013 11:59AM
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Seriously though, we used helium which is a little safer than Hydrogne back in 2001. It made very little difference in terms of weight or performance.

The bigger problem is that the helium/hydrogen molecules are much smaller than oxygen/nitrogen, and the Helium leached out rather rapidly through the porous (microscopically speaking) bladder material. The leading edge was OK, but the struts deflated fast enough to make them soft over a unreasonably short period, making it a bit pointless (and expensive).

Nice thinking though.

DM

pearl
NSW, 984 posts
16 Feb 2013 3:15PM
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Funny, I just posted this in gear reviews. Do light wind kites work
www.seabreeze.com.au/forums/Kitesurfing/Review/Do-light-wind-kites-work/

SaveTheWhales
WA, 1877 posts
16 Feb 2013 7:17PM
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If you did use hydrogen and it floated upwards - how did you intend to sign it :)

airjunkie
WA, 142 posts
16 Feb 2013 7:49PM
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stamp said...
isn't this on the list of banned recurring topics? (along with the eric video, kiting in the rain questions, bow kites are gaay, and boardies over wetsuit)




what's this eric video i've never heard of it ?






njamo
WA, 28 posts
17 Feb 2013 12:19AM
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I have been using 78% nitrogen to fill my kites for years, works so well I have not tried any other gasses.

mattyjee
WA, 575 posts
17 Feb 2013 1:33AM
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suniboy21 said...
Im certain that helium when compressed becomes heavier the oxygen.
Correct me if im wrong.


Yes you are wrong. (assuming that the helium is less than 16 times the pressure of the oxygen you are comparing it to).

surfingboye
NSW, 2707 posts
17 Feb 2013 4:48AM
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mattyjee said...
suniboy21 said...
Im certain that helium when compressed becomes heavier the oxygen.
Correct me if im wrong.


Yes you are wrong. (assuming that the helium is less than 16 times the pressure of the oxygen you are comparing it to).


I have a feeling someone is a chemical engineer...
Correct me if I'm wrong.

Skid
QLD, 1499 posts
17 Feb 2013 11:00AM
Thumbs Up

njamo said...
I have been using 78% nitrogen to fill my kites for years, works so well I have not tried any other gasses.


Me too. Though I find about 21% oxygen and 1% argon added to the mix makes it about right.

Chris_M
2129 posts
17 Feb 2013 2:04PM
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Here is a really good blend to fill your kite with (all the pro's use this and swear by it):





huabamane
19 posts
17 Feb 2013 5:49PM
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Chris_M said...
Here is a really good blend to fill your kite with (all the pro's use this and swear by it):









I heard some use gases from the troposphere in competitions. Oo

stabber
NSW, 1114 posts
17 Feb 2013 9:06PM
Thumbs Up

those bloody pie charts again.

Wanga F One
QLD, 231 posts
17 Feb 2013 8:33PM
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Chris_M said...
Here is a really good blend to fill your kite with (all the pro's use this and swear by it):








Recommend using breathing aparartus handling that sh!t though.



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"Pump up leading edge with hydrogen?!" started by dorothyinste