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David
<div> Yes inside or outside in the water it can freeze too. Environmental kits take this out of the equation. <br>
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<blockquote type="cite">On Aug 3, 2023, at 5:29 PM, David Colombo via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br>
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<div>Bernie, so the moisture in the sub where my regulator is located may have been cooling the high humidity moisture in the sub. I hadn't thought of that. Would the cooling effect be the same on both the HP and LP ports. I am considering adding two HP air
tanks externally within the lower aft clam shell of the VAST. Being exposed to the water, so the cooling effect would be mitigated by the water mass would eliminate a possible freeze condition? or do I need to add vodka?
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<div>Best Regards,<br>
David Colombo<br>
<img src="http://static.squarespace.com/static/533310a9e4b0fba62008a464/t/5339c1f2e4b041bac4e25d1b/1396294132055/?format=500w" width="200" height="110" data-unique-identifier=""><br>
804 College Ave<br>
Santa Rosa, CA. 95404<br>
(707) 536-1424<br>
<a href="http://www.SeaQuestor.com" target="_blank">www.SeaQuestor.com</a><br>
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<div dir="ltr" class="gmail_attr">On Thu, Aug 3, 2023 at 12:26 PM Alan James via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br>
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Thanks David,
<div>that looks a good price.</div>
<div>Cliff and I were looking at the Caroute brushless motor lower unit, 36V 160lb thrust. Cost US $1200 to get to Texas.</div>
<div>The big problem was that they had the motor driver in the thruster housing and this had 2 large capacitors in it.</div>
<div>These would crush if we equalised the inside of the thruster.</div>
<div>Also you can have long leads from the motor controller to the motor but if you have long leads from the battery to the motor controller it is problematic. So by putting the controller in the thruster they are making the battery leads longer.</div>
<div>They are bringing out a model with an external motor controller next year.</div>
<div>With regard to the brushless Minn Kotta; most brushless motors have 3 wires coming from them, unless they have a hall sensor board or temperature sensor. These can be controlled with a Vesc motor controller & tuned in it's open source program. </div>
<div>Alan</div>
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<div>On Thu, 3 Aug 2023 at 2:15 pm, David Colombo via Personal_Submersibles</div>
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