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Hi Frank, That is a great model. Most impressed. I am
just in the throws of doing a model for mine out of 1/8” plywood and
foam, etc and the biggest problem is that I am now learning to build boats
rather than subs. I have done a couple of hull shapes at 1/8 scale
for testing in the pool. Progress is slow but getting there.
Regards, Hugh From: owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of ShellyDalg@aol.com Thanks Paul. Although I try to calculate all the weights,
dimensions, pressures, forces, capacities, and all the other things that
have an impact on the sub, I've always liked the idea of using hard models to
test my hair brained theories. I've had some success and lots of failures using
this method, and the time and effort to build the models/mock-ups has shown me
lots of things that I had not seen in the original designs. If you
remember way back, I started with a very different design and because of the
models, learned it " just wasn't going to work." The biggest changes came when I took my paper designs and built
the card board full size mock-ups. That was a real eye opener. Over the last
few years the design has changed many times and after all the modeling and
testing I think I have a workable design that should perform the intended
tasks. The design is modular so changes for future expansion and
increased capability have been incorporated to allow relatively easy addition
of another section. Specifically, I have plans in the works for a new larger
rear section that will simply bolt on where I'll have room for an on-board
diesel motor/gen set, increased battery capacity, sleeping quarters, fuel
tanks, and increased communication station area. This will require adding another separate pressure hull to
the back end accessed through a pressure hatch with a large bolt on flange. The new rear section would be removable so I can still use just
the small sub alone for close-in dives, or bolt on the new section for extended
travels. This of course will take some time to work out all the details and
right now I'm trying to get the first part done. So far so good. Hoping to
launch next spring. Frank D.
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