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ZeXx86
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 Posted: Sat 23. Jan 2016 19:48:03 |
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Joined: Mon 29. Apr 2013 16:06:44
Posts: 12442
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Cyclic gain should be reduced little bit for 3-bladed rotor heads (by 10-20%), but in some cases it will fly even with same.
Wrong cyclic gain will rather cause some sort of oscillations (too high) or lower precision/instability (too low gain).
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ZeXx86
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Posted: Sat 23. Jan 2016 20:20:55 |
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Joined: Mon 29. Apr 2013 16:06:44
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Regarding the governor - if it is not configured properly, performance can be affected too.
Especially rudder may not hold very well.
If this is the case, then inprecise rudder can be reason for the cyclic issue.
Lastly, if vibrations are very, very high (especially on the rudder), it can cause that the helicopter is not flying precisely.
But I think that this is not the case, since you just swapped the rotor head.
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Coco66
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Posted: Sat 23. Jan 2016 23:32:11 |
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Joined: Sun 26. Jul 2015 8:17:50
Posts: 433
Location: Madrid, Spain / Torino, Italy
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According to SAB you should reduce your cyclic gain of AT LEAST 30% (you did 13%, 58 to 50). http://www.goblin-helicopter.com/shop/m ... 0640-K.pdf
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Rcpassa
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Posted: Sat 23. Jan 2016 23:59:59 |
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Joined: Thu 15. Oct 2015 1:41:38
Posts: 55
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They say 30 percent on vbar. It varies with different systems.
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Rcpassa
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Posted: Sun 24. Jan 2016 0:00:56 |
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Joined: Thu 15. Oct 2015 1:41:38
Posts: 55
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It looks like a problem with one servo. It's working great after the servo was addressed
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ZeXx86
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Posted: Mon 25. Jan 2016 9:29:39 |
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Joined: Mon 29. Apr 2013 16:06:44
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Perfect, thanks for the info.
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