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Old 12-09-2012, 05:29 PM   #1
UncleGra OP
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Air thread

........Let's have an air thread...what kind of air should I use in my dirtbike...and how often should I change it....some servo air in town is crap...should I stick with the mountain air that surrounds me...or should I............ huh..what..
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Old 12-09-2012, 05:32 PM   #2
KTM_Paul
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Everyone knows you should be running Nitrogen in your tyres! ..... Or is it Helium?
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Old 12-09-2012, 05:43 PM   #3
ozbikedude
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sea air (it runs cooler)about 18c around here,dunno how it goes away from the coast,may have to take some spare air when ya leave the coast.
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Old 12-09-2012, 05:55 PM   #4
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Quote:
Originally Posted by ozbikedude View Post
sea air (it runs cooler)about 18c around here,dunno how it goes away from the coast,may have to take some spare air when ya leave the coast.
if you set your pressure at sea level for general loamy/sandy sea level type conditions then if you decide to ride up in the hills the tyre pressure will automatically increase to prevent punctures in the typically rockier conditions found at altitude.
conveniantly this is also works for the reverse situation.
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Old 12-09-2012, 06:02 PM   #5
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Quote:
Originally Posted by Simosez View Post
if you set your pressure at sea level for general loamy/sandy sea level type conditions then if you decide to ride up in the hills the tyre pressure will automatically increase to prevent punctures in the typically rockier conditions found at altitude.
conveniantly this is also works for the reverse situation.

which makes those blokes at nasa pretty bloody clever. the tyre pressures on buzz aldrins moon buggy would have been infinity. and beyond maybe.
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Old 12-09-2012, 06:02 PM   #6
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Helium - lessens unsprung weight......oh, and a race pipe!
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Old 12-09-2012, 06:37 PM   #7
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Eh?

Quote:
Originally Posted by Simosez View Post
if you set your pressure at sea level for general loamy/sandy sea level type conditions then if you decide to ride up in the hills the tyre pressure will automatically increase to prevent punctures in the typically rockier conditions found at altitude.
conveniantly this is also works for the reverse situation.
i musta rode too fast last time cause me tyres were flat when i got up the hill,or was i too slow getting home......??
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Old 12-09-2012, 07:29 PM   #8
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Quote:
Originally Posted by ozbikedude View Post

i musta rode too fast last time cause me tyres were flat when i got up the hill,or was i too slow getting home......??
You should have turned your tyres around, cos it was only flat on the bottom.
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Old 12-09-2012, 06:03 PM   #9
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Quote:
Originally Posted by ozbikedude View Post
sea air (it runs cooler)about 18c around here,dunno how it goes away from the coast,may have to take some spare air when ya leave the coast.
Nah, it corrodes the rims and eventually leaks out!
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Old 12-11-2012, 06:37 AM   #10
eepeqez
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Quote:
Originally Posted by ozbikedude View Post
sea air (it runs cooler)about 18c around here,dunno how it goes away from the coast,may have to take some spare air when ya leave the coast.
Clearly winter air will be coolest of all, so check your tyres in winter and leave them well alone the rest of the year!

Of course if you have to change a tyre in summer this can be a problem, but Dobbo has an answer:

Quote:
Originally Posted by dobbo View Post
After being ripped off at the local stealership for years regarding the cost of air;
I am an convert to buying online from the USA.
Import northern hemisphere winter air.

Remember to get it sent by airmail...
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Old 12-09-2012, 06:24 PM   #11
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Don't put too much in, it'll weigh your bike down... for offroad I run 15 pounds in my tyres instead of the usual 35 for onroad, that's a saving of 20 pounds of in each tyre. That's 40 pounds of air you don't need to lift when the bike falls over!
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Old 12-09-2012, 07:12 PM   #12
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So when I do A creek crossing I should let some air out so the bike is is lighter and may float more easily. I don't know what I'd do with out the combined wisdom of ad riders!
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Old 12-09-2012, 07:20 PM   #13
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Anyone tried the new air additives that are on the market? Do they increase aireation or is it a gimmick?

Back in the old days we never used air additives.
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Old 12-09-2012, 07:30 PM   #14
notsoslow
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Hey Gra what tyres go best with your mountain air?
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Old 12-09-2012, 08:59 PM   #15
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Quote:
Originally Posted by notsoslow View Post
Hey Gra what tyres go best with your mountain air?
the Italians are marketing a hi tek mountain tyre now...Baldini Alto Slicks.....no resistance to the air at my altitude....or sea level in your case...zero drag co-efficicaccia ( inner air and and outer air ) thingy due to interchangeable vacuum desalinator volume and temprature sensory advances...mate....
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