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 Post subject: violent tail wag
PostPosted: Sat 04. Aug 2018 18:56:00 
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Joined: Tue 24. Jul 2018 17:06:45
Posts: 7
Location: Nottingham uk
hi
so maidened my goblin black thunder 700 t line today , and allthough flight was good except for violent tail wag when in fast forward flight . so violent that the tensioner for belt ,spun round back to its set up position.
my heli has the following
t line 710mm blades
hobbywing 160 v4 esc
bk 7002 hv cyclic servos
bk 7005 hv tail servo
xnova 4530 /500kv motor
optipower ultraguard
spirit pro
2 no dsmx sats
dx9 tx
heli is built as manual
when programming spirit pro i choose gob 700 pre set in wizard . the only alteration ive tried is lowering tail gain in tx from suggested 50% right down to 20 % with no luck.
ive checked and double checked tail mechanics , they are perfect .
ive re done rudder end points they seem fine.
ive tried headspeeds from 1900 upto 2100.
at the moment i have rescue set to switch f on my dx9 using gain as activation. im going to put my gain back on flight mode so switch f will be just on /off for rescue .
i increased the rudder from default 8 to 11


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