Re: [PSUBS-MAILIST] concept sketch

On 2/22/06, Sean T. Stevenson <cast55@telus.net> wrote:

Yes - that's the lockout.  The addition of the forward trunk and
observation window serves a couple of purposes:  when not actually using
the lockout for diving operations, the interior hatch is left open, and
crew from the control room can move forward and take a look out that
viewport if necessary, or anyone else on board can use it in the case of
passenger trips, since the viewing trunks really only accomodate one
person comfortably.  When in use during diving operations, you will note
that this chamber is quite a bit larger than is strictly necessary just
to lockout a couple of divers - this is for a couple of reasons: to
accomodate larger teams/operations who may be alternating between dry
and wet periods, and to function as a decompression / recompression
chamber with sufficient comfort for the occupants.  The viewport in this
case allows personnel inside the lockout to keep tabs on what is going
on outside, since the camera feed only tells one story.

The model was created in SolidWorks 2006 SP2, using surface geometry
only (this is just a general arrangement / concept drawing).  An actual
solid model which incorporates plate thicknesses and weld details will
need to be created essentially from scratch, using this surface model as
construction geometry.

-Sean

GEORGE SLATERPRYCE wrote:

> The foreword chamber on the starboard side, this would be the lockout
> chamber? Why would you have an observational blister to the outside
> there?
>
> Great modeling, what did you use to model?

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