If those are newton caps u can adjust the tension via the nut on the back

Jeff

Sent from my iPad

On Aug 17, 2010, at 9:10 AM, "Greenbacks, UnLtd." <N4ZQ@comcast.net> wrote:

> One of my three fuel caps appears to have an O-ring which is stiffer (header tank) than those on the wings. It closes ok but the tab no longer sits flush with the cap surface. I'm wondering whether the O-rings which came with the original kit are now beyond their useful life. (not from flight time but build time)...
> From your experience, how frequently should they be swapped out in the field?
>
> Angier Ames
> N4ZQ
>
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