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Vance,<br>
The motor and controller was 244$ including shipping, duct and
shroud was around 200$ including shipping and import fee. Magnets,
bearings and sensors were around 100$ in total I think. Batteries
will be around 125$, and I spent 80$ on delrin. The tube which is
the main body was kindly donated from a business that liked my
project, and the aluminium stock I was lucky have left over from a
previous project. Keep in mind that Norway is quite expensive so
some of the parts are propably cheaper elsewhere. Anyway, I think a
total of 750$ sounds right.<br>
<br>
The motor is probably intented for some kind of industrial use, as
it is very heavy and thick-walled. Here is a thread from
endless-sphere with some pics and testing of the 800w edition:
<a class="moz-txt-link-freetext" href="http://endless-sphere.com/forums/viewtopic.php?f=30&t=45443&sid=c3f78cf1221ba9251d90820d229764e1">http://endless-sphere.com/forums/viewtopic.php?f=30&t=45443&sid=c3f78cf1221ba9251d90820d229764e1</a><br>
<br>
- Jon<br>
<br>
<br>
<div class="moz-cite-prefix">Den 23.01.2014 20:10, skrev
<a class="moz-txt-link-abbreviated" href="mailto:vbra676539@aol.com">vbra676539@aol.com</a>:<br>
</div>
<blockquote
cite="mid:8D0E685F475C5A4-1848-3057@webmail-d203.sysops.aol.com"
type="cite"><font color="black" face="Arial, Helvetica,
sans-serif" size="3"><font class="Apple-style-span" size="3">Jon,</font>
<div><font class="Apple-style-span" size="3">Might as well ask.
What's your total investment going to be? This looks like a
pretty good experimental option for subs, at the very least.
I'm with you on the motors. It will be interesting to see
just how tough they are.</font></div>
<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: Jon Eide Pettersen <a class="moz-txt-link-rfc2396E" href="mailto:jon@pettersen-prod.com"><jon@pettersen-prod.com></a><br>
To: Personal Submersibles General Discussion
<a class="moz-txt-link-rfc2396E" href="mailto:personal_submersibles@psubs.org"><personal_submersibles@psubs.org></a><br>
Sent: Thu, Jan 23, 2014 1:24 pm<br>
Subject: Re: [PSUBS-MAILIST] Diver propulsion vehicle
project<br>
<br>
<div id="AOLMsgPart_2_d94ed849-b2bb-4ba0-a7bc-563793e7f517">
<div class="aolReplacedBody" text="#000000"
bgcolor="#FFFFFF"> Thanks for the kind words!<br>
<br>
The nozzle/shroud has an inside diameter of around 303mm
at the narrowest. Both the nozzle and the prop are
replacement parts for the commercial DPVs made by
dive-xtras. The shroud cost 70.50$, while the propeller
kit is 67$. I bought it directly from dive-x here: <a
moz-do-not-send="true" class="moz-txt-link-freetext"
target="_blank"
href="http://www.dive-xtras.com/cart/pc/viewPrd.asp?idproduct=42&idcategory=7">http://www.dive-xtras.com/cart/pc/viewPrd.asp?idproduct=42&idcategory=7</a>.
<br>
<br>
A nice feature with the propeller is that it has
variable pitch, and that the blades can be replaced
individually. However, the blades are plastic and I'm
not sure how well they would survive an impact or
entanglement. The scooters from dive-x have a clutch to
save the prop in case this happens. Here is a drawing of
the propeller assembly used by dive-x:
<a moz-do-not-send="true" class="moz-txt-link-freetext"
target="_blank"
href="http://www.dive-xtras.com/pages/support/diagrams/linedrawings/propellerassembly.pdf">http://www.dive-xtras.com/pages/support/diagrams/linedrawings/propellerassembly.pdf</a><br>
<br>
I bought the motor from <a moz-do-not-send="true"
class="moz-txt-link-abbreviated" target="_blank"
href="http://www.goldenmotor.com">www.goldenmotor.com</a>.
I'm not impressed by the build quality, but it was very
cheap and hopefully it will work. They also have 650w
and 800w editions of the same motor, perhaps this would
be suitable for use in a submersible?
<a moz-do-not-send="true" class="moz-txt-link-freetext"
target="_blank"
href="http://www.goldenmotor.com/BLDC%20Motors%20for%20Light%20Weight%20Trikes.jpg">http://www.goldenmotor.com/BLDC%20Motors%20for%20Light%20Weight%20Trikes.jpg</a><br>
<br>
<br>
- Jon<br>
<br>
<br>
<div class="moz-cite-prefix">Den 23.01.2014 16:16, skrev
<a moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:vbra676539@aol.com">vbra676539@aol.com</a>:<br>
</div>
<blockquote type="cite"><font color="black" face="Arial,
Helvetica, sans-serif" size="3"><font
class="Apple-style-span" size="3">And barring
that, how about a 36 volt 3/4 hp PM motor, housing
and drive? It would be sweet to cook something DIY
up that could be built by a competent home
machinist.</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: Alec Smyth <a moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
href="mailto:alecsmyth@gmail.com"><alecsmyth@gmail.com></a><br>
To: Personal Submersibles General Discussion <a
moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
href="mailto:personal_submersibles@psubs.org"><personal_submersibles@psubs.org></a><br>
Sent: Thu, Jan 23, 2014 9:10 am<br>
Subject: Re: [PSUBS-MAILIST] Diver propulsion
vehicle project<br>
<br>
<div
id="AOLMsgPart_2_8eddab62-5290-4a0d-9150-b35c6f499f9d">
<div dir="ltr">Hi Jon,
<div><br>
</div>
<div>Welcome! That is a nicely documented
project, and very timely since we recently
had threads about kort nozzles and
magnetic couplers. Quick question... could
you tell me what diameter that nozzle (aka
shroud) is and how much it and the prop
cost? I'm curious about adapting those to
trolling motors.</div>
<div><br>
</div>
<div><br>
</div>
<div>Best,</div>
<div><br>
Alec</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Thu, Jan 23,
2014 at 8:47 AM, Jon Eide Pettersen <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:jon@pettersen-prod.com">jon@pettersen-prod.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px
#ccc solid;padding-left:1ex">Hi!<br>
<br>
I'm currently designing and building a
diver propulsion vehicle with a
magnetically coupled drive. I will use a
48v 500w BLDC motor intended for
electric trikes, powered by 4 SLA
batteries coupled in series.<br>
<br>
I'm posting my progress at my personal
website, <a moz-do-not-send="true"
target="_blank"
href="http://pettersen-prod.com/project/dpv/index.html">http://pettersen-prod.com/project/dpv/index.html</a>.
<br>
<br>
Anyway, hope you find this interesting!
I hope to build a submersible in the
future, but this will suffice until I
have the funding and knowledge needed :)<br>
<br>
<br>
Regards, <br>
Jon Eide Pettersen<br>
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