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<div><font size="3">Joe,</font></div>
<div><font size="3">It's very surprising that that the Lewmars don't move up to 24v until the 8 hp model which is listed at 12v/24v. <font face="Arial, Helvetica, sans-serif">The only things I plan to use 12v for are hotel load and possibly a couple of actuators. For maneuvering motors I keep coming back to Minnkotas.</font></font></div>
<div><font size="3">Jim</font></div>
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<div style="color: black; font-family: arial,helvetica; font-size: 10pt;">-----Original Message-----<br>
From: Joe Perkel <josephperkel@yahoo.com><br>
To: personal_submersibles <personal_submersibles@psubs.org><br>
Sent: Sat, Oct 26, 2013 12:47 pm<br>
Subject: Re: [PSUBS-MAILIST] Thruster Quote<br>
<br>
<div id="AOLMsgPart_2_edf0e55c-0829-4706-b573-6bafda8628ea">
<table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td valign="top">Jim,<br>
<br>
I've spotted these and they are very high on my candidate list. The thing that I've noticed is that the ampere usage goes up with the lower input voltages. 24 - 48 vdc is what I'm targeting.<br>
<br>
What's bothering me is that I can't seem to match the Lewmars power in a motor/reduction package at 4" (#4 Sch40) diameter without going too high on the input voltages.<br>
<br>
A pair of those 185tt thrusters @ 24v with the motors enclosed could go laterally on the stern "Shinkai" style and do the job quite nicely for main propulsion. Probably too much but, more than enough to make headway or hold station in a current.<br>
<br>
It's maneuvering thrusters that present the problem. Right now, the Minn Kotas don't look so bad, but I'm going to see what I can do with Hanks motor.<br>
<br>
Joe<br>
<br>
Sent from Yahoo! Mail for iPad</td></tr></tbody></table>
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<span style="font-weight: bold;">From:</span>
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<a href="mailto:jimtoddpsub@aol.com">jimtoddpsub@aol.com</a> <<a href="mailto:jimtoddpsub@aol.com">jimtoddpsub@aol.com</a>>; <br>
<b>
<span style="font-weight: bold;">To:</span>
</b>
<<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>>; <br>
<b>
<span style="font-weight: bold;">Subject:</span>
</b>
Re: [PSUBS-MAILIST] Thruster Quote <br>
<b>
<span style="font-weight: bold;">Sent:</span>
</b>
Sat, Oct 26, 2013 2:59:41 PM <br>
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<div><font size="3">Joe,</font></div>
<div><font face="Arial, Helvetica, sans-serif" size="3">Here are a couple of websites of vendors which include pricing<font face="Arial, Helvetica, sans-serif">:</font></font></div>
<div><font size="3"><a href="http://www.westmarine.com" target="_blank" rel="nofollow" shape="rect">www.westmarine.com</a> </font></div>
<div><font face="Arial, Helvetica, sans-serif" size="3"><a href="http://www.marinedeal.com" target="_blank" rel="nofollow" shape="rect">www.marinedeal.com</a> <font face="Arial, Helvetica, sans-serif">The Lewmar I've pasted below is $1239 USD per the site. It's all electric (not hydraulic), 3 hp, 92 lb thrust. It's the smallest one they list, and they can get as big and expensive as you want.</font></font><font face="Arial, Helvetica, sans-serif" size="3"> </font></div>
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<table class="specifications" style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0"><tbody><tr><th rowspan="1" colspan="1">Model</th><th rowspan="1" colspan="1">Hub</th><th rowspan="1" colspan="1">Voltage </th><th rowspan="1" colspan="1">Power (hp)</th><th rowspan="1" colspan="1">Tunnel Size (in)</th><th rowspan="1" colspan="1">Thrust (lbs)</th><th rowspan="1" colspan="1">Weight (lbs) </th></tr><tr><td rowspan="1" colspan="1">140TT2.2</td><td rowspan="1" colspan="1">Composite</td><td rowspan="1" colspan="1">12v</td><td rowspan="1" colspan="1">3.0</td><td rowspan="1" colspan="1">5 1/2</td><td rowspan="1" colspan="1">92</td><td rowspan="1" colspan="1">29 </td></tr></tbody></table><h4 class="t5">Dimensions</h4><font face="Times" size="2"></font><table style="width: 534px; border-collapse: collapse;" border="1" cellspacing="0" cellpadding="4"><tbody><tr align="center"><td class="productcontent2" rowspan="1" colspan="1"><b>A</b></td><td class="productcontent2" rowspan="1" colspan="1"><b>B</b></td><td class="productcontent2" rowspan="1" colspan="1"><b>C</b></td><td class="productcontent2" rowspan="1" colspan="1"><b>D</b></td></tr><tr align="center"><td class="productcontent2" rowspan="1" colspan="1">4 5/6</td><td class="productcontent2" rowspan="1" colspan="1">9 1/4</td><td class="productcontent2" rowspan="1" colspan="1">5 1/2</td><td class="productcontent2" rowspan="1" colspan="1">2 7/8 </td></tr></tbody></table><font face="Times New Roman" size="3"> </font>
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<div><img width="151" height="250" src="http://www.lewmar.com/assets/img/products/ss-product-8276-25667-0.jpg"> </div>
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<div style="color: black; font-family: arial, helvetica; font-size: 10pt;">-----Original Message-----<br clear="none">
From: Joe Perkel <<a href="mailto:josephperkel@yahoo.com">josephperkel@yahoo.com</a>><br clear="none">
To: Psubbers Mailist <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">
Sent: Sat, Oct 26, 2013 9:24 am<br clear="none">
Subject: [PSUBS-MAILIST] Thruster Quote<br clear="none">
<br clear="none">
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<div style="background: white;"><span style="color: black;"><font id="yiv5299040866yui_3_13_0_8_1382795682744_20" size="3">This early interest of mine in thrusters has to do with sizing of the vehicle; I need to know what is available to me in order to make decision points before I spend the next few hundred hours on a CAD model. Below is a quote I received for an electric thruster 60 - 70 lbs @ 110 - 300vdc, and a hydraulic one 70 lbs @ 2000 psi and 2 gal/min flow rate. It would be rude of me to identify the company, this was my quote, and someone else's may be different.</font></span></div>
<div id="yiv5299040866yui_3_13_0_8_1382795682744_27" style="background: white;"><span id="yiv5299040866yui_3_13_0_8_1382795682744_28" style="color: black;"><font size="3"></font></span> </div>
<div id="yiv5299040866yui_3_13_0_8_1382795682744_26" style="color: black;"><font id="yiv5299040866yui_3_13_0_8_1382795682744_25" size="3"><font id="yiv5299040866yui_3_13_0_8_1382795682744_24" color="#4c76a2"><font face="HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif"><span id="yiv5299040866yui_3_13_0_8_1382795682744_23" style="color: rgb(31, 73, 125);"><span id="yiv5299040866yui_3_13_0_7_1382795682744_2483">Hydraulic Motor only .16 cu in displacement at 2,420.00 each.</span></span><span style="color: black;"> </span></font></font></font></div>
<div id="yiv5299040866yui_3_13_0_7_1382795682744_27"><span id="yiv5299040866yui_3_13_0_8_1382795682744_17" style="color: rgb(31, 73, 125);"><font size="3"><font color="#4c76a2"><font face="HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif"> </font></font></font></span></div>
<div id="yiv5299040866yui_3_13_0_1_1382795682744_2065" style="background: white;"><font id="yiv5299040866yui_3_13_0_8_1382795682744_8" size="3"><font id="yiv5299040866yui_3_13_0_8_1382795682744_9" color="#4c76a2"><font face="HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif"><span id="yiv5299040866yui_3_13_0_8_1382795682744_10" style="color: rgb(31, 73, 125);"><span id="yiv5299040866yui_3_13_0_1_1382795682744_2063">Hydraulic Thruster complete with the above motor at 5,170.00 each.</span></span><span style="color: black;"></span></font></font></font></div>
<div id="yiv5299040866yui_3_13_0_1_1382795682744_2068" style="color: rgb(31, 73, 125);"><font id="yiv5299040866yui_3_13_0_1_1382795682744_4042" size="3"><font color="#4c76a2" face="HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif"><span id="yiv5299040866yui_3_13_0_1_1382795682744_4041" style="color: rgb(31, 73, 125);"><span id="yiv5299040866yui_3_13_0_1_1382795682744_2066">Thruster complete less motor at USD 2750.00 each. This include the duct, prop, hardware etc.. Everything less the motor. An electric or hydraulic motor can be installed onto it.</span></span></font></font></div>
<div style="background: white;"><font size="3"><font color="#4c76a2"><font face="HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif"><span style="color: rgb(31, 73, 125);"><span></span></span><span style="color: black;"></span></font></font></font> </div>
<div id="yiv5299040866yui_3_13_0_7_1382795682744_2144"><span style="color: rgb(31, 73, 125);"></span><span id="yiv5299040866yui_3_13_0_7_1382795682744_2146"><font id="yiv5299040866yui_3_13_0_1_1382795682744_4085"><font id="yiv5299040866yui_3_13_0_1_1382795682744_4084" size="3"><font id="yiv5299040866yui_3_13_0_1_1382795682744_4098" color="#4c76a2"><font id="yiv5299040866yui_3_13_0_1_1382795682744_4175" face="HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif"><span id="yiv5299040866yui_3_13_0_7_1382795682744_9">Electric Thrusters range from 9,000.00 to 11,000.00 depending on the voltage requirements, feedback requirements, etc… I would need more info from you in able to recommend a particular electric thruster to you. The prices do not include controllers. Many of our customers use their own or we can recommend one to you.</span></font></font></font></font></span></div>
<div id="yiv5299040866yui_3_13_0_1_1382795682744_2906"><span style="color: rgb(31, 73, 125);"></span><span id="yiv5299040866yui_3_13_0_7_1382795682744_2187"><font face="Times New Roman"><font size="3"> </font></font></span></div>
<div id="yiv5299040866yui_3_13_0_1_1382795682744_2891"><span id="yiv5299040866yui_3_13_0_1_1382795682744_4082" style="background: white; color: black;"><font size="3"><span id="yiv5299040866yui_3_13_0_7_1382795682744_2193"><span id="yiv5299040866yui_3_13_0_7_1382795682744_2188">This confirms for me that I am solidly entrenched in the homebuilt thruster design business.</span></span><span style="color: black;"></span></font></span></div>
<div id="yiv5299040866yui_3_13_0_7_1382795682744_2461"><span style="background: white; color: black;"></span><font size="3"><span id="yiv5299040866yui_3_13_0_7_1382795682744_2463"> </span><span style="color: black;"></span></font></div>
<div id="yiv5299040866yui_3_13_0_1_1382795682744_2894"><span style="background: white; color: black;"><span id="yiv5299040866yui_3_13_0_7_1382795682744_2464"><font size="3">Joe</font></span></span><span style="color: black;"></span></div>
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<pre style="font-size: 9pt;"><tt>_______________________________________________
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