[PSUBS-MAILIST] (no subject)

Sun Oct 26 16:03:27 EDT 2014

Compress the water? Um...
Vance

-----Original Message-----
From: Graham Bayliss via Personal_Submersibles <personal_submersibles at psubs.org>
To: 'Personal Submersibles General Discussion' <personal_submersibles at psubs.org>
Sent: Sun, Oct 26, 2014 11:06 am
Subject: Re: [PSUBS-MAILIST] (no subject)

Hi Hank 

I agree a jet drive is the way to go did you not think that a jet ski drive
was to small and would only drive a small craft. I intend to build a larger
jet drive and compress the water. This will be easy and add power to the
system the jet drive from a jet ski would not drive a sub but I am certain I
can overcome the problems by building a larger jet drive and a compressor.
Thank you for your input and I will keep you informed as the project un
folds. 

Graham 

-----Original Message-----
From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org]
On Behalf Of hank pronk via Personal_Submersibles
Sent: 26 October 2014 12:42
To: Personal Submersibles General Discussion
Subject: Re: [PSUBS-MAILIST] (no subject)

Graham,
In the world of marine jet drive it is well known that jet drive takes two
times the horse power to do the same job.  Jet drive is well suited to a
craft that needs a shallow draft.  I think you will find it very complicated
to control and it will be very inefficient. I have been down this road, I
love the concept but abandoned it.  If you go forward may I suggest you
start with a jet drive.  It is not a simple part to replicate.  The impeller
tolerances are critical.  I have a jet unit on the shelf I could donate to
your project.  The jet is from a jet ski. I would consider a single rear
motor on a full gimbal.
Hank --------------------------------------------
On Sun, 10/26/14, Graham Bayliss via Personal_Submersibles
<personal_submersibles at psubs.org> wrote:

 Subject: [PSUBS-MAILIST] (no subject)
 To: "'Personal Submersibles General Discussion'"
<personal_submersibles at psubs.org>
 Received: Sunday, October 26, 2014, 7:39 AM

 #yiv9417249292
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 #yiv9417249292  Hi   I am near the end of my build  of my k350 and have
started to look at new designs I am  interested in building a flyer sub and
have come up with a  design which will include a vectored motor drive this
will  enable my flyer to hover and stop where ever I want. I have  designed
a motor unit which will drive a fan type propeller  as an intake this will
force water to the rear of the unit
  where it is compressed  then it is forced into ducting  which will take 
the water to four nozzles on the side of  the craft. The nozzles are able to
turn three hundred and  sixty degrees  both side are independent of one
another so  rolls will be achievable. The reason for a vectored motor is
you only need one motor source and one power pack this will  ease the
maintenance and increase the enjoyment of using  your sub. I am interested
in the clubs thought of this kind  of design.  Graham 

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