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<div>Alan,</div><div>That 1\4 hp was just an example. I am building my own pressure proof electric liner actuators to build two arms on Gamma. I have a motor type in mind and will start testing it for power and speed this weekend. That is why I want to know if the PWM will effect the power output. </div><div>Hank</div>
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On Wednesday, October 4, 2017, 4:48:12 PM MDT, Alan via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<div><div id="yiv3728590297"><html><head></head><div><div><span></span></div><div><div>Hank,</div><div>are you working out the gearing for your electric manipulator?</div><div>I worked out that that 1/4 horsepower motor could lift 18kg, 1 metre in</div><div>1 second. Not bad for a tiny little motor! They are selling 200W</div><div>brushless motors for $14 on Hobby King.</div><div>Alan</div><div><br clear="none"><br clear="none"><div>Sent from my iPad</div></div><div class="yiv3728590297yqt4515478991" id="yiv3728590297yqt82172"><div><br clear="none">On 5/10/2017, at 9:24 AM, hank pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br clear="none"><br clear="none"></div><blockquote type="cite"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div></div>
<div>Alan,</div><div>If I have a 1\4 hp motor and I have the controller turning the motor at say 50 rpm, is the motor giving me 1\4 hp at 50 rpm?</div><div>Hank</div><div><br clear="none"></div>
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On Wednesday, October 4, 2017, 1:33:59 PM MDT, Alan via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:
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<div><div id="yiv3728590297"><div><div>Hi Hank,</div><div id="yiv3728590297AppleMailSignature">yes. If you have your speed controller on full speed there would be no</div><div id="yiv3728590297AppleMailSignature">pulsing of the power to the motor, it would be fully on.</div><div id="yiv3728590297AppleMailSignature">You can have full power & no rpm in a stall situation. Most modern</div><div id="yiv3728590297AppleMailSignature">controllers I have seen have current limiting that you can program in;</div><div id="yiv3728590297AppleMailSignature">so in a stall or overloaded situation it would back off the power.</div><div id="yiv3728590297AppleMailSignature">Alan</div><div id="yiv3728590297AppleMailSignature"><br clear="none"></div><div id="yiv3728590297AppleMailSignature"><br clear="none">Sent from my iPad</div><div class="yiv3728590297yqt3926128260" id="yiv3728590297yqt84648"><div><br clear="none">On 5/10/2017, at 7:56 AM, hank pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br clear="none"><br clear="none"></div><blockquote type="cite"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div>Hi All,</div><div>When a dc motor is speed controlled with a PWM controller is the motor at full power regardless of rpm?</div><div>Hank</div></div></div></blockquote></div><blockquote type="cite"><div><span>_______________________________________________</span><br clear="none"><span>Personal_Submersibles mailing list</span><br clear="none"><span><a rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs..org" target="_blank" href="mailto:Personal_Submersibles@psubs..org">Personal_Submersibles@psubs.org</a></span><br clear="none"><span><a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br clear="none"></div></blockquote></div></div><div class="yiv3728590297yqt3926128260" id="yiv3728590297yqt88598">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" 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" 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"></div></div>
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