Frank, That is a smart idea. Well done. Hugh
From: owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of ShellyDalg@aol.com
Sent: Wednesday, 10 March 2010 8:45 a.m.
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Splash Shield
Hi guys. I have a design I'm working on to prevent waves from
washing into the open hatch. The freeboard on my sub calculates out to about 20
inches or so but, not being a math wizard, God only knows what it's really
gonna be. So here's what I came up with. I found a FAT innertube on Ebay and it
will be inflated just before I open the hatch, raising the shield. 
I haven't shown it on the sketch but some little springs will be
attached to the hinged plates to pull the shield down when the air is
released into an MBT vent nipple.
OK.....some water is still gonna get in, but maybe not enough to
cause a problem. Got any thoughts ?
Frank D.
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