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Skookum Robotics Skookum Robotics SK-360 SK-540 & SK-720 Digital Flybar


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Old 06-16-2013, 01:21 PM   #1 (permalink)
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Default Tail and cyclic speed relation

Since SK reccomended I lower my bell gains to ~60 I was tuning my 700 and raised my flip roll rate to 320 from 300 because it felt slow to me. My tail has always been set to 600 and I did not edit it at all but my tail seemed extremely fast compared to what I was used to. Is there something that happened, an error with the unit or some underlying relation of the three rates?

As a side note the heli seemed quicker on elecator but much slower on aileron. I would count in my head amd the elevator was close to 320 but the aileron seemed like it was around 270 or so. I would do a full flip and count 1 second and note what attitude the heli was in.
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Old 06-16-2013, 03:11 PM   #2 (permalink)
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I just realized that my field laptop has the old 3.30 software on it and that is what I changed the numbers with. To me that explains why my numbers seem odd. I have reset them with my 3.40 at the house and will try again when I can fly next.
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Old 06-16-2013, 03:13 PM   #3 (permalink)
 
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=] also, check the unit is secure for odd feedback, this is usually a first warning?
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Old 06-16-2013, 03:35 PM   #4 (permalink)
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Its secure and it was working just fine before. I lowered my bell gains and adjusted the cyclic accel like you said and my piro flips were out of sync like the cyclic was too slow. I raised up the cyclic rate and didnt touch anything else and that was the result. Unfortunately it was my last flight of the day so I cant tell if it was just a fluke error initialization or not.
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Old 06-16-2013, 04:05 PM   #5 (permalink)
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Default Tail and cyclic speed relation

On 700's you will need the cyclic acc at 40 and above. Both my 7hv's are at 45 for the correct speed! This is with bell gains at 60 /60
Hiller decay at 160
Control rates at 300 320
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Old 06-16-2013, 05:33 PM   #6 (permalink)
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Thanks for the info, I will up the accel and hopefully that cures my issue. It just seems like the tail picked up a whole lot of speed or either wasnt showing it before.
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