dan rider g Posted August 4, 2012 Report Share Posted August 4, 2012 i was thinking about putting helium in my tyers to make my bike lighter is it a good or bad idear ? Quote Link to comment Share on other sites More sharing options...
dann2707 Posted August 5, 2012 Report Share Posted August 5, 2012 Christ. 7 Quote Link to comment Share on other sites More sharing options...
howvard Posted August 5, 2012 Report Share Posted August 5, 2012 It depends how light the rest of your bike is? Dont want it to fly of anywhere Quote Link to comment Share on other sites More sharing options...
krazykid009 Posted August 5, 2012 Report Share Posted August 5, 2012 2 Quote Link to comment Share on other sites More sharing options...
trialsEuan Posted August 5, 2012 Report Share Posted August 5, 2012 (edited) Where were you when God handed out the brains? Seriously though, I'm no expert... but I don't think it'll make a difference Edited August 5, 2012 by trialsEuan Quote Link to comment Share on other sites More sharing options...
krazykid009 Posted August 5, 2012 Report Share Posted August 5, 2012 I use CO2 in my tyres.... jus' sayin'! 1 Quote Link to comment Share on other sites More sharing options...
ogre Posted August 5, 2012 Report Share Posted August 5, 2012 there are better ways to waste money, if you'd like you can pay me to tell you not to be a dumb-ass every time you have an idea... it will make a marginal difference at best, and would only be worth considering once you've exhausted all other weight saving options and have the lightest possible machine already... my googlings also suggest that helium particles are smaller than air particles, so your wheels would go flat faster, so you'd need to top up the helium frequently... d'you recon the wheel would perform different at the same psi of an air filled wheel? also, it's spelt 'idea' Quote Link to comment Share on other sites More sharing options...
Greetings Posted August 5, 2012 Report Share Posted August 5, 2012 Why helium not hydrogen? Hydrogen will make your bike around 2kg lighter! Quote Link to comment Share on other sites More sharing options...
FamilyBiker Posted August 5, 2012 Report Share Posted August 5, 2012 I use CO2 in my tyres.... jus' sayin'! so youre responsible for those climatic changes,got you! this topic is a joke,as my post is. Quote Link to comment Share on other sites More sharing options...
dngr2self Posted August 5, 2012 Report Share Posted August 5, 2012 Use the helium to fill balloons and tie them all over your bike. You'll float and look cool so its win win. Quote Link to comment Share on other sites More sharing options...
alanczik Posted August 5, 2012 Report Share Posted August 5, 2012 (edited) helium would escape through the tyre because its such a small molecule, thats why a rubber balloon filled with helium starts to fall after a day or so. racing cars use tires filled with nitrogen (also The latest Nissan GT-R) but thats because oxygen is considered "too unstable" The nitrogen keep in pressure however you run the car but!! It is very hard to get a vaccum in your tyres to do initial nitrogen filling... and it costs at lot to get to 99%. soo.. try it and tell us how it went and remember The petrol air pump is 78% nitrogen Edited August 5, 2012 by alanczik 1 Quote Link to comment Share on other sites More sharing options...
Martin Reynolds Posted August 5, 2012 Report Share Posted August 5, 2012 They tested a similar theory on mythbusters with a rugby ball, and it made like 7 grams difference Quote Link to comment Share on other sites More sharing options...
FamilyBiker Posted August 5, 2012 Report Share Posted August 5, 2012 i thought thats enough for most comp rider to try it out... Quote Link to comment Share on other sites More sharing options...
aener Posted August 5, 2012 Report Share Posted August 5, 2012 i thought thats enough for most comp rider to try it out... Sadly, it probably is! Haha. There's still this as the major problem with the idea though: helium would escape through the tyre because its such a small molecule, thats why a rubber balloon filled with helium starts to fall after a day or so. Quote Link to comment Share on other sites More sharing options...
FamilyBiker Posted August 5, 2012 Report Share Posted August 5, 2012 tryall surely will develop a tube for this purpose lol Quote Link to comment Share on other sites More sharing options...
Greetings Posted August 5, 2012 Report Share Posted August 5, 2012 tryall surely will develop a tube for this purpose lol I think you might need Durex to develop such a tube, not TryAll. 1 Quote Link to comment Share on other sites More sharing options...
FamilyBiker Posted August 6, 2012 Report Share Posted August 6, 2012 I think you might need Durex to develop such a tube, not TryAll. finally we´ll all have helium in our tubes but feel less or nothing when riding... Quote Link to comment Share on other sites More sharing options...
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