[PSUBS-MAILIST] GRP hatch

[Alec Smyth via Personal_Submersibles]

Hi Hank,

May I suggest speaking to Mike Caudle? He has two acrylic cylinder CTs,
complete with hatches and all, that are beauties but I believe much lower
displacement than the one on your project sub, and very lightweight because
they are aluminum. If you can arrange a swap or something, one of those
might be just what you need.

Best,
Alec

On Tue, Apr 28, 2020 at 9:17 AM hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hi All, I am have some real trouble with my DW style sub mods. If you
> recall it has an acrylic cylinder CT and a K350 hatch.  My problem is, the
> sub lacks volume to support the heavy hatch\land assembly.  I do plan to
> increase the volume by installing a larger diameter leg tube.  This volume
> increase is still not enough to give me enough buoyancy for stability
> during transition from surface to being submerged.  Options are to loose
> the cylinder and go with dome.   Make a lightweight hatch with GRP, or come
> up with a creative MBT that maintains buoyancy longer during submerging.
> Hank
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