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Joker › Tail response delay mini joker
08-11-2007 09:14 AM  10 years agoPost 1
windyone

rrApprentice

York, England

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Hoping someone may have seen htis with their heli.

If I hover inverted nose in then push the nose up skywards quickly whilst doing a 180 piro (ie I end up with heli the right way up nose facing me) the tail seems to delay turning. Its as if I do the turn command and then 1/4 second later it does it. Very unnerving. Not seen it happen in any other situation. Wondering if I am asking a lot from the tail and maybe the belt slips? Tail blades are SAB carbon 90mm.

I am running 10s with a Tango 45-07 motor. 601 gyro (Krause settings) and a 9256 tail servo.

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08-13-2007 08:31 AM  10 years agoPost 2
windyone

rrApprentice

York, England

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Maybe Gerd could give some feedback here. Has Gerd had any comments re tail response?. Is the response better with larger than stock tail blades?. Has the belt being known to slip?

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08-13-2007 09:33 AM  10 years agoPost 3
Gerd

rrVeteran

Vellmar/Germany

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Sorry, I have no idea. Seems to be a very special and isolated problem.

You can try 95mm blades and with longer tailboom 105 mm blades, but you should better use the original plastic blades. You need a certain material flexibility on this rigid high-speed tailrotor. Don´t forget you have upto 11000 rpm there.
Sounds a little bit like the servo impuls does not reach the tailrotor in this situation, but a 9256 cannot be to weak. Have you mounted the PMW #952 on the tailgrips with screws #19? The belt should be tightened correct when you can press it with a thumb between big front wheel and roller about 3mm.

Generally: As manufacturer I read of course each post in this group, but you should not expect always an answer. First this group is for communication from pilot to pilot and I will not disturb unnecessary. Only in cases when I mean that nobody else can help and when it is helpfull for all I answer here. And when I have no idea then I do not answer. When you have such special problems like this one you should send a mail to info@minicopter.de.

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