[PSUBS-MAILIST] GRP hatch

[hank pronk via Personal_Submersibles]

 Alec, I think Mike has a submarine parts warehouse lol.  I would like to use what I have, just so I don't have to make too many major modifications.  Have you ever heard od a GRP hatch?Hank
    On Tuesday, April 28, 2020, 7:44:51 AM MDT, Alec Smyth via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 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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