<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div><span>Alan,</span></div><div dir="ltr"><span>If I increase the voltage, I will increase the rpm that should in turn increase the load.</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1466295064519_3097"><span>No? Yes?</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1466295064519_3097"><span>Hank</span></div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"><font size="2" face="Arial"> On Saturday, June 18, 2016 5:53 PM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br></font></div>  <br><br> <div class="y_msg_container"><div id="yiv7273392258"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"><div><span>Hank,</span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2692"><span>the amps are proportional to the load. If the low amp draw is</span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2693"><span id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2697">correct then a higher pitched or bigger prop would be the solution.</span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2694"><span id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2695">Cliff has amp draw specs on the 101. If your motor is of a similar</span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2702"><span id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2704">size maybe you could aim at his amp draw rate! </span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2703"><span>Alan</span></div><div class="yiv7273392258qtdSeparateBR" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2640"><br clear="none"><br clear="none"></div><div class="yiv7273392258yahoo_quoted" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2634" style="display:block;">  <div id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2633" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2632" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv7273392258yqt1649425153" id="yiv7273392258yqt87837"><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2639"> <font id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2638" face="Arial" size="2"> </font><hr size="1"> <b><span style="font-weight:bold;">From:</span></b> hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b><span style="font-weight:bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br clear="none"> <b><span style="font-weight:bold;">Sent:</span></b> Sunday, June 19, 2016 10:48 AM<br clear="none"> <b><span style="font-weight:bold;">Subject:</span></b> Re: [PSUBS-MAILIST] amp gauge<br clear="none">  </div> <div class="yiv7273392258y_msg_container" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2631"><br clear="none"><div id="yiv7273392258"><div id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2630"><div id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2629" style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;background-color:rgb(255, 255, 255);"><div><span>Alan,</span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466289221555_3236"><span id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2705">There is some mystery with the motors, we think they are 36v but the amp draw is to low.   I think I will bump it to 48 volts on my next dive.  They could use a bit more power i think. I tested them at 48v in the lake here at home and they seemed happy and very </span>powerful to hold onto by hand.</div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466289221555_3236">Hank</div> <div class="yiv7273392258qtdSeparateBR" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2637"><br clear="none"><br clear="none"></div><div class="yiv7273392258yahoo_quoted" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2628" style="display:block;"> <div id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2627" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"> <div id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2626" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv7273392258yqt4291607641" id="yiv7273392258yqt40420"><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2635"><font id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2636" face="Arial" size="2"> On Saturday, June 18, 2016 4:12 PM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none"></font></div>  <br clear="none"><br clear="none"> <div class="yiv7273392258y_msg_container" id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2625"><div id="yiv7273392258"><div id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2624"><div id="yiv7273392258yui_3_16_0_ym19_1_1466293579890_2623" style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;background-color:rgb(255, 255, 255);"><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6335"><span>Hank,</span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6337"><span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6336">no the voltage won't matter. The meter reads the voltage drop across the shunt.</span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6340"><span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6346">So at 7 amps per motor that's 250W each. <span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6395">What is the motor rating in watts?</span></span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6401"><span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6421"><span></span>Are they the original propellers? Am thinking that if that is the correct amp reading</span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6437"><span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6442">& the motors are rated a lot more than 250W, then you could go with a bigger or</span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6453"><span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6454">higher pitched propeller to put a higher load on. </span></div><div dir="ltr"><span>Alan</span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6381"><span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6380"></span><br clear="none"></div><div class="yiv7273392258qtdSeparateBR" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6272"><br clear="none"><br clear="none"></div><div class="yiv7273392258yahoo_quoted" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6271" style="display:block;">  <div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6270" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6269" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv7273392258yqt2933736457" id="yiv7273392258yqt06749"><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6268"> <font id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6276" face="Arial" size="2"> </font><hr id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6305" size="1"> <b><span style="font-weight:bold;">From:</span></b> hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b><span style="font-weight:bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br clear="none"> <b><span style="font-weight:bold;">Sent:</span></b> Sunday, June 19, 2016 9:36 AM<br clear="none"> <b><span style="font-weight:bold;">Subject:</span></b> Re: [PSUBS-MAILIST] amp gauge<br clear="none">  </div> <div class="yiv7273392258y_msg_container" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6277"><br clear="none"><div id="yiv7273392258"><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6280"><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6279" style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;background-color:rgb(255, 255, 255);"><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6286"><span>Alan,</span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466285565381_2975"><span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6420">The amp rating is 100a  I am drawing 14a with both motors running.  They are not gear head motors.  Does the voltage matter?  </span></div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466285565381_2975"><span>Hank</span></div> <div class="yiv7273392258qtdSeparateBR" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6278"><br clear="none"><br clear="none"></div><div class="yiv7273392258yahoo_quoted" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6285" style="display:block;"> <div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6284" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"> <div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6283" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv7273392258yqt2271478065" id="yiv7273392258yqt36650"><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6282"><font id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6281" face="Arial" size="2"> On Saturday, June 18, 2016 3:23 PM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none"></font></div>  <br clear="none"><br clear="none"> <div class="yiv7273392258y_msg_container" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6289"><div id="yiv7273392258"><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6288"><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_6287" style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;background-color:rgb(255, 255, 255);"><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_3991"><span>Hank,</span></div><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_3993"><span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_3992">I have a couple of those external shunts & there is only a maximum amp rating printed on them.</span></div><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4056"><span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4064">The voltage can vary depending on the state of charge anyway.</span></div><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4066"><span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4065">What are you drawing at full power? Are the motors geared?</span></div><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4063"><span>Alan</span></div><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_3994"><span></span><br clear="none"></div><div class="yiv7273392258qtdSeparateBR" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_3995"><br clear="none"><br clear="none"></div><div class="yiv7273392258yahoo_quoted" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4060" style="display:block;">  <div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4059" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4058" style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div class="yiv7273392258yqt8613154463" id="yiv7273392258yqt88779"><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4057"> <font id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4062" face="Arial" size="2"> </font><hr id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4061" size="1"> <b><span style="font-weight:bold;">From:</span></b> hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b><span style="font-weight:bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br clear="none"> <b><span style="font-weight:bold;">Sent:</span></b> Sunday, June 19, 2016 2:15 AM<br clear="none"> <b id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4068"><span id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4067" style="font-weight:bold;">Subject:</span></b> [PSUBS-MAILIST] amp gauge<br clear="none">  </div> <div class="yiv7273392258y_msg_container" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4069"><br clear="none"><div id="yiv7273392258"><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4071"><div id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4070" style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;background-color:rgb(255, 255, 255);"><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466259111012_3710">I am wondering if the amp gauge in Gamma is reading correctly.  Gamma was a 24v system and I have 36 v going through the amp bar and reading the amps from the original gauge.  Does the increased voltage impact the amp reading?</div><div dir="ltr" id="yiv7273392258yui_3_16_0_ym19_1_1466259111012_3710">Hank</div></div></div></div><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4072" ymailto="mailto:Personal_Submersibles@psubs.org" target="_blank" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a rel="nofollow" shape="rect" id="yiv7273392258yui_3_16_0_ym19_1_1466284232798_4073" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"><br clear="none"><br clear="none"></div></div> </div> </div>  </div></div></div></div><br clear="none"><div class="yiv7273392258yqt8613154463" id="yiv7273392258yqt52474">_______________________________________________<br clear="none">Person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