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David, East coast New Zealand. 3 hrs north of Auckland. http://www.divenewzealand.com/index.asp?s1=diving&s2=upper%20north%20island There is a marine reserve just off the coast (Poor Knights
Islands) and the Niagara was one of the biggest gold recoveries from a
shipwreck in the world. Hit a German Mine. 400 ft of water.
Some tech divers have done it on trimix etc. Great place. Hugh From:
owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of David
Bartsch Hugh, From: hc.fulton@gmail.com Hi David, There is only a depth sounder on board and it needs a
passive Sonar of some sort so I want to fit that microphone to it. Would
be good to have something. I am wanting to get it out from Tutukaka and dive on
the Niagara with a bit of help from Keith Gordon who is the resident expert on
the wreck and wrote a book on it. He has got some sort of rights to it as
there is still some gold on board. I will be triying it out somewhere
safer first though. Have to have dreams. I’ll be in touch on
the build though. Count on it. Hugh From:
owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of David
Bartsch Hugh, From: hc.fulton@gmail.com Jay ‘n’ Vance. Thks that is helpful stuff. I was thinking of
putting some planes on the Comsub. It has had a rudder retrofitted about
12” x 24” high but it is in the prop wash. I am just
reconnecting the aft lateral thruster and reconditioning all the hydraulics.
AThe hydraulic pump is really noisy so I’m thinking of putting a
pulse suppressor on and a 5 litre accumulator with a pressure switch.
Otherwise I think it will drive me nuts. I want to go down for some peace
and quiet. I have uploaded a few photos of the internals and bits on the
projects page under “Hugh Fulton” Comsub. Regards, Hugh From:
owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of Jay K.
Jeffries Hugh, I am still working on my presentation for the upcoming
Conference and need to figure the various increases in size for the control
surfaces for the Seehunde. Just remember in the back of my mind
the large tail surfaces on some Perry submersibles...I may be wrong but it just
sticks in the back on my mind. Some of the images in Busby’s Manned
Submersibles might be of assistance. After writing the previous email and recollecting on the classes
I attended over lunch while at Electric Boat, for larger Navy subs that have
the capability to operate at higher speeds, the control surfaces are relatively
small when compared to the size of a hull (effectiveness of control surfaces
goes up with speed). The minimum effective speed for these surfaces was 3
knots. For a PSUB, the control surfaces are larger in area compared to
hull size so may be more effective. Unfortunately for us, there is very
little in the way of published naval architecture references for submersible
design and even less for subs the size of the typical PSUB. R/Jay Resepectfully, Jay K. Jeffries Andros Is., Bahamas Save the whales, collect the whole set. From:
owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of Hugh Fulton For the uninitiated what size were they? Mm or inches will
do. Approximations gratefully accepted. Would be helpful. 2 sq ft, 6 sq ft? approx
length and breadth. Hugh
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