<font color='black' size='3' face='Arial, Helvetica, sans-serif'><font class="Apple-style-span" size="3">That's awesome, Brian. A Perry drive in kit form!!! I'll bet a 4000# K-sub would really dance with one of those rigs.</font>
<div><font class="Apple-style-span" size="3">Vance<br>
</font><br>
<br>
<div style="font-family: helvetica, arial; font-size: 10pt; color: black; ">-----Original Message-----<br>
From: Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org><br>
To: Personal Submersibles General Discussion <personal_submersibles@psubs.org><br>
Sent: Tue, Oct 28, 2014 11:18 am<br>
Subject: Re: [PSUBS-MAILIST] (no subject)<br>
<br>
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<div>Alan,</div>
<div> Take a look at these guys, this is where I'm getting my motors.</div>
<div> </div>
<div><a target="_blank" href="http://www.thunderstruck-ev.com/">http://www.thunderstruck-ev.com/</a></div>
<div> </div>
<div>Brian<br>
<br>
--- <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> wrote:<br>
<br>
From: Alan James via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>
To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>
Subject: Re: [PSUBS-MAILIST] (no subject)<br>
Date: Tue, 28 Oct 2014 04:35:53 +0000 (UTC)<br>
<br>
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<div dir="ltr"><span>Ken,</span></div>
<div dir="ltr"><span>haven't heard from you for a while.</span></div>
<div dir="ltr"><span>I am trying to track down a suitable DC brushless motor around 1500W for a thruster.</span></div>
<div dir="ltr"><span>Preferably I don't want to gear it down, so I need an output speed of less than 3000rpm.</span></div>
<div dir="ltr"><span>The only brushless motors I can find with low rpm are the RC outrunner motors that</span></div>
<div dir="ltr"><span>you might find at Hobby King. I am looking at playing round with a larger motor &</span></div>
<div dir="ltr"><span>running it at 1/2 it's maximum voltage. They seem so small compared to their brushed</span></div>
<div dir="ltr"><span>counterpart that I don't think I will be disadvantaged size wise by doing this.</span></div>
<div dir="ltr"><span>Most of these motors seem to be low voltage, high amps, & I would prefer something operating</span></div>
<div dir="ltr"><span>on around 48V. </span></div>
<div dir="ltr"><span>Any words of wisdom or product <span><span>recommendation</span></span> here thanks.</span></div>
<div dir="ltr"><span>Alan</span></div>
<br>
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<div dir="ltr"> <hr size="1"> <font face="Arial" size="2"> <b><span style="font-weight: bold;">From:</span></b> Ken Martindale via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>
<b><span style="font-weight: bold;">To:</span></b> 'Personal Submersibles General Discussion' <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> <br>
<b><span style="font-weight: bold;">Sent:</span></b> Monday, October 27, 2014 1:20 PM<br>
<b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] (no subject)<br>
</font> </div>
<div><br>
Water is compressible, look how the submarine "Ben Franklin" did it. Water<br>
is just not very compressible.<br>
<br>
Ken Martindale<br>
<br>
-----Original Message-----<br>
From: Personal_Submersibles [mailto:<a href="mailto:personal_submersibles-bounces@psubs.org">personal_submersibles-bounces@psubs.org</a>]<br>
On Behalf Of Marc de Piolenc via Personal_Submersibles<br>
Sent: Sunday, October 26, 2014 8:11 PM<br>
To: <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a><br>
Subject: Re: [PSUBS-MAILIST] (no subject)<br>
<br>
Compressing water will be quite some trick.<br>
<br>
Marc<br>
<br>
Ducted fans: <a target="_blank" href="http://massflow.archivale.com/">http://massflow.archivale.com/ </a>Archivale catalog:<br>
<a target="_blank" href="http://www.archivale.com/catalog">http://www.archivale.com/catalog </a>Polymath weblog:<br>
<a target="_blank" href="http://www.archivale.com/weblog">http://www.archivale.com/weblog </a>Translations (ProZ profile):<br>
<a target="_blank" href="http://www.proz.com/profile/639380">http://www.proz.com/profile/639380</a><br>
Translations (BeWords profile): <a target="_blank" href="http://www.bewords.com/Marc-dePiolenc">http://www.bewords.com/Marc-dePiolenc</a><br>
<br>
<br>
On 10/26/2014 11:06 PM, Graham Bayliss via Personal_Submersibles wrote:<br>
><br>
> Hi Hank<br>
><br>
> I agree a jet drive is the way to go did you not think that a jet ski <br>
> drive was to small and would only drive a small craft. I intend to <br>
> build a larger jet drive and compress the water. This will be easy and <br>
> add power to the system the jet drive from a jet ski would not drive a <br>
> sub but I am certain I can overcome the problems by building a larger jet<br>
drive and a compressor.<br>
> Thank you for your input and I will keep you informed as the project <br>
> un folds.<br>
><br>
> Graham<br>
><br>
> -----Original Message-----<br>
> From: Personal_Submersibles <br>
> [mailto:<a href="mailto:personal_submersibles-bounces@psubs.org">personal_submersibles-bounces@psubs.org</a>]<br>
> On Behalf Of hank pronk via Personal_Submersibles<br>
> Sent: 26 October 2014 12:42<br>
> To: Personal Submersibles General Discussion<br>
> Subject: Re: [PSUBS-MAILIST] (no subject)<br>
><br>
><br>
> Graham,<br>
> In the world of marine jet drive it is well known that jet drive takes <br>
> two times the horse power to do the same job. Jet drive is well <br>
> suited to a craft that needs a shallow draft. I think you will find <br>
> it very complicated to control and it will be very inefficient. I have <br>
> been down this road, I love the concept but abandoned it. If you go <br>
> forward may I suggest you start with a jet drive. It is not a simple <br>
> part to replicate. The impeller tolerances are critical. I have a <br>
> jet unit on the shelf I could donate to your project. The jet is from <br>
> a jet ski. I would consider a single rear motor on a full gimbal.<br>
> Hank --------------------------------------------<br>
> On Sun, 10/26/14, Graham Bayliss via Personal_Submersibles <br>
> <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br>
><br>
> Subject: [PSUBS-MAILIST] (no subject)<br>
> To: "'Personal Submersibles General Discussion'"<br>
> <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>
> Received: Sunday, October 26, 2014, 7:39 AM<br>
><br>
> #yiv9417249292<br>
> #yiv9417249292 --<br>
><br>
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> #yiv9417249292 Hi I am near the end of my build of my k350 and have<br>
> started to look at new designs I am interested in building a flyer <br>
> sub and have come up with a design which will include a vectored <br>
> motor drive this will enable my flyer to hover and stop where ever I <br>
> want. I have designed a motor unit which will drive a fan type <br>
> propeller as an intake this will force water to the rear of the unit<br>
> where it is compressed then it is forced into ducting which will <br>
> take the water to four nozzles on the side of the craft. The nozzles <br>
> are able to turn three hundred and sixty degrees both side are <br>
> independent of one another so rolls will be achievable. The reason <br>
> for a vectored motor is you only need one motor source and one power <br>
> pack this will ease the maintenance and increase the enjoyment of <br>
> using your sub. I am interested in the clubs thought of this kind of <br>
> design. Graham<br>
><br>
<br>
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