Agree with everything said so far.
Looking at the big picture, not worth it, especially when you consider
sealing the gas in. If no benefit is gained from doing it, why go through
the expense.
Joe
"Bob P" <eracars@[EMAIL PROTECTED]
> wrote in message
news:RDCYi.43062$eY.105@[EMAIL PROTECTED]
> lethaldriver@[EMAIL PROTECTED]
wrote:
>> Im not thinking of putting in very very high pressure air.
>> I was thinking maybe a few hundred PSI of gas would still help
>> strengthen the structure a bit.
>> Although the added strength is minimal, that's still better than
>> nothing.
>> It could add to resistance against bending/flexing.
>>
>>
>> I'm not planning to use air.... considering nitrogen or CO2.
>>
>
> The only thing it will help prevent is buckling-mode failure - and
that's
> almost never a factor in non-collision situations. It increases static
> tensile stress and, unless you're using Kevlar tubing, will have
negative
> effect on the longevity of the chassis (although at the pressure you're
> proposing, it will have negligible effect).
>
> Filling the tubes with argon or nitrogen will help prevent corrosion a
> little though.
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