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RE: [PSUBS-MAILIST] transit
Joe, I don't know why but I can't see any of your frappr photos any
more. Has anything changed?
Thanks,
Alec
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From: owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of Joseph
Perkel
Sent: Monday, August 27, 2007 6:59 AM
To: personal_submersibles@psubs.org
Subject: RE: [PSUBS-MAILIST] transit
Emile,
This is a recurring problem as you have noted. Several people with K
boats have reported much trouble in this regard. The best solution,
which is beyond most psubbers, is to deck launch via davit or A-frame.
I have given this much thought and, as I am now likely returning to a K
boat configuration, a good potential solution is to lash the boat
securely abeam the tow vessel to fore and aft bollards, such as this
http://www.frappr.com/?a=viewphoto&id=269116&pid=7500890&myphotos=1
This of course, requires the tow boat to have sufficient "rudder
authority"
to be able to do this. A little tug like this, with a large slow prop
and a barn door rudder, will likely do the trick. A outboard motor
vessel, or cruiser with a spade rudder, would not.
The tow boat, need not be this fancy. A large prop/ rudder, with
appropriate engine / reduction gear combination, on a quick ugly hull is
all that's required.
Joe
>From: "Emile van Essen" <emile@airesearch.nl>
>Reply-To: personal_submersibles@psubs.org
>To: <personal_submersibles@psubs.org>
>Subject: RE: [PSUBS-MAILIST] transit
>Date: Mon, 27 Aug 2007 09:06:08 +0200
>
>David,
>
>Surface transit or towing is far from ideal with "our" type of subs.
>Except for Kraka then.
>The Nemo team told me that towing Nemo is not working well , even with
>a ridid boom instead of a rope. Towing the sgt. Peppers the same.
>The sub tend not to follow the tow boat and At higher speeds they dive.
>
>At sea when you have probably waves you might consider to transit
>submerged.
>
>Regards, Emile
>
>-----Oorspronkelijk bericht-----
>Van: owner-personal_submersibles@psubs.org
>[mailto:owner-personal_submersibles@psubs.org] Namens David Bartsch
>Verzonden: zondag 26 augustus 2007 23:57
>Aan: personal_submersibles@psubs.org
>Onderwerp: [PSUBS-MAILIST] transit
>
>
> I have given some thought as to dive site transit problems. In
>short, the
>
>actual dive site might contain a sunken ship of interest, or perhaps a
>natural object of interest such as a reef containing coral formations.
> This dive location could ,and probably will be, some distance from
>the location that my sub will enter the body of water. You could tow
>the vessel which would require a support vessel and crew, or perhaps as
>with Peter is building, a boat with long range high speed surface
cruising ability.
> I am concidering a slower more enduring transit approach while
>submerged.
>
>A last minute battery equilize charge and air stock replenishment prior
>to final dive and exploration.
> How do you deploy your boat for distant dives (Say several miles)?
>
>_________________________________________________________________
>Now you can see trouble.before he arrives
>http://newlivehotmail.com/?ocid=TXT_TAGHM_migration_HM_viral_protection
>_0507
>
>
>
>
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