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Right you are, John. I forgot that little detail. I always use 6-volt Rx packs, anyway, so as long as I monitor pack capacity during a long flying day, current draw is not a problem.
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<p style="font-size: 12pt; font-family: helvetica,arial,sans-serif; color: #333333;" class="default-style"><span class="signature-truncate"><span class="signature-truncate"><span class="signature-truncate"><span class="signature-truncate"><span class="signature-truncate"><span style="font-family: 'Arial Black'; font-size: 12px;"> <strong><em>Phil Spelt, AMA 1294, Scientific Leader Member<br>SPA L-18, Board Member, NSRCA 2032, KCRC Emeritus<br>Knoxville, TN 37931 (865) 604-0541c</em></strong></span></span></span></span></span></span></p>
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On March 27, 2020 at 8:51 AM John Pavlick via NSRCA-discussion <nsrca-discussion@lists.nsrca.org> wrote:
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<p class="ox-38e69c4528-MsoNormal">Mike,</p>
<p class="ox-38e69c4528-MsoNormal">Make sure that your airborne batteries or the BEC in your speed controller are capable of delivering sufficient current. Digital servos can draw a lot more current than analog servos!</p>
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<p class="ox-38e69c4528-MsoNormal">John Pavlick</p>
<p class="ox-38e69c4528-MsoNormal">Cell: 203-417-4971</p>
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<p class="ox-38e69c4528-MsoNormal"><span style="font-size: 10.0pt; font-family: 'Impact',sans-serif;">Integrated Development Services</span></p>
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<p class="ox-38e69c4528-MsoNormal"><strong>From:</strong> NSRCA-discussion <nsrca-discussion-bounces@lists.nsrca.org> <strong>On Behalf Of </strong>Phil Spelt via NSRCA-discussion<br><strong>Sent:</strong> Thursday, March 26, 2020 6:36 PM<br><strong>To:</strong> Michael Cohen <precisionaero@hotmail.com>; General pattern discussion <nsrca-discussion@lists.nsrca.org><br><strong>Subject:</strong> Re: [NSRCA-discussion] Digital and analog servos on sport plane</p>
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<p class="ox-38e69c4528-MsoNormal"><span style="font-size: 12.0pt; font-family: 'Helvetica',sans-serif; color: #333333;">Hey, Mike, </span></p>
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<p class="ox-38e69c4528-MsoNormal"><span style="font-size: 12.0pt; font-family: 'Helvetica',sans-serif; color: #333333;">I don't know about Airtronics, but the Spektrum radios I fly (DX-9 and iX12) are capable of two frame rates -- 22 msc and 11 msc. In order to use the faster frame rate, you need all digital servos, as the analog can't follow the faster frame rate. If your Tx works the current analog servos, I don't think you will find any electronic issues, as the digital servos are equally capable of following the slower frame rate. The pulse widths and voltage changes to create the pulses are well-standardized, these days. Whether you would experience any "flying feeling" differences between functions with and without digital servos, I don't know. </span></p>
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<p class="ox-38e69c4528-MsoNormal"><span style="font-size: 12.0pt; font-family: 'Helvetica',sans-serif; color: #333333;">What functions are you ging to use digital servos for, and why? Just curious... </span></p>
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<p class="ox-38e69c4528-MsoNormal"><em><strong><span style="font-size: 9.0pt; font-family: 'Arial Black',sans-serif; color: #333333;">Phil Spelt, AMA 1294, Scientific Leader Member</span></strong></em></p>
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<p class="ox-38e69c4528-default-style"><em><strong><span style="font-size: 9.0pt; font-family: 'Arial Black',sans-serif; color: #333333;">SPA L-18, Board Member, NSRCA 2032, KCRC Emeritus</span></strong></em><strong><em><span style="font-size: 9.0pt; font-family: 'Arial Black',sans-serif; color: #333333;"><br><em><span style="font-family: 'Arial Black',sans-serif;">Knoxville, TN 37931 (865) 604-0541c</span></em></span></em></strong></p>
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<p style="margin-bottom: 12.0pt;" class="ox-38e69c4528-MsoNormal">On March 26, 2020 at 6:23 PM Michael Cohen via NSRCA-discussion <<a href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>> wrote:</p>
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<p class="ox-38e69c4528-ox-150ce03281-msonormal">Hope everyone out there is COVID-19 free and using this time to build or fly, with social separation, if the weather is nice enough.</p>
<p class="ox-38e69c4528-ox-150ce03281-msonormal"> </p>
<p class="ox-38e69c4528-ox-150ce03281-msonormal">I have a sport plane where I want to put a digital servo in with the inexpensive analog ones the plane came with. Any know issues with such a setup? This will be with an Airtronics radio, if that makes a difference. </p>
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<p class="ox-38e69c4528-ox-150ce03281-msonormal">Be safe!</p>
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<p class="ox-38e69c4528-ox-150ce03281-msonormal">Mike Cohen</p>
<p class="ox-38e69c4528-ox-150ce03281-msonormal"> </p>
<p class="ox-38e69c4528-ox-150ce03281-msonormal">Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">Mail</a> for Windows 10</p>
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