[PSUBS-MAILIST] (no subject)

Sun Oct 26 20:11:09 EDT 2014

Compressing water will be quite some trick.

Marc

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On 10/26/2014 11:06 PM, Graham Bayliss via Personal_Submersibles wrote:
>
> 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
>   #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
>