[PSUBS-MAILIST] hatch pin

[Sean T. Stevenson via Personal_Submersibles]

What type of misalignment exists? Aren't you using a conical bearing face on your hatch? That should be self-centering.

Sean


On March 22, 2016 9:03:59 AM MDT, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>Hi All,When I built my hatch system, I built it so the hinge pin has
>moment in it so the o-ring would have full contact before the hatch was
>fully closed metal to metal.When I vacuum test it, the hatch is not
>perfectly even in the seat, or at least it seems like it.  I am
>wondering if I should close the hatch with the o-ring out and the hatch
>perfectly positioned and then weld bushings to the hinge so the pin has
>no movement.   Or should I leave it alone and expect that the external
>pressure will push the hatch into place?  Hank
>Scott, did you notice if your hatch hinge has play?
>
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