Rough spool-up/down - Novus CP
 

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5.4pt;mso-para-margin:0in;mso-para-margin-bottom:.0001pt;mso-pagination:widow-orphan;font-size:11.0pt;font-family:"Calibri","sans-serif";mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:"Times New Roman";mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:minor-bidi;}</style><![endif]><p class="MsoNormal"><span style="font-size: 12pt; font-family: "Times New Roman","serif";">This Novus CP is my first collective pitch heli &ndash; I also have a Piccolo FP, as well as a few other inexpensive FP.</span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: "Times New Roman","serif";">My problem comes when the Novus is spooling up. As I gradually increase the throttle, I hear a bit of a hum, but neither the main rotor or tail rotor move. Then as I increase the throttle a little more, the heli jumps into action all of a sudden - it kind of shakes several times, then the blades get up to speed and track smoothly. Basically the same thing happens in reverse when spooling down &ndash; just as the blades are getting ready to stop, the heli shakes fairly violently several times.</span><span style="font-size: 12pt; font-family: "Times New Roman","serif";">
</span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: "Times New Roman","serif";">My Novus CP is currently stock, except that I upgraded it to a brushless motor (I had the same spool up/down problem with the stock motor that I&rsquo;m having now).</span><span style="font-size: 12pt; font-family: "Times New Roman","serif";">
</span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: "Times New Roman","serif";">Thanks in advance for any help&hellip;</span><span style="font-size: 12pt; font-family: "Times New Roman","serif";">
</span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: "Times New Roman","serif";">Thom
</span></p>

RE: Rough spool-up/down - Novus CP
 

hey im actually havin the exact same problem, i to have a brushless upgrade, this morning when it spooled up it was fine, but completly out of alignment, so i adjusted the servo's got it all fixed up and now when i throttle up/or down, just like the idle speed i'd guess you call it, before its goin fast enogh to take flight, it vibrattes like crazy and jupms everywhere.. its just a specific throttle range. one i give it a little more throttle it it levels out and is fine.. i've flown every size of heli and never had this happen before, nothing is off balance so i dont know why i would do that..im also having problems with my tail, no matter how much trim i give it it the stock tail motor cant keep up with the brushless motor, and it just spin's in circles.. i'm thinking about uprading that though