Heliguy Forum - RC heli forum

I finally got my cnc head all dialed in and was amazed how much easier it was for me to get off the ground and keep it stable. I had been attempting to fly it as it was out of the box and was struggling to get it to fly, wound up breaking all kinds of parts in the process of trying and have learned alot along the way. So anyway it is hovering nice and stable now, but i am having some trouble keeping the tail locked straight. Before i take off i adjust the trim so that the servo doesn't creep when in HH mode. After i take off the tail still wants to spin slowly in either direction(forget which way). Can the trim still be adjusted in HH mode, won't that just throw off the servo creep? I have the tail servo adjusted such that in rate mode the heli stays relatively straight when the trim is centered and if i move the trim left or right the heli will turn accordingly. Can it have anything to do with the gain adjustment? i don't think so.... How is the gain adjustment supposed to be adjusted? Some quick tips would be appreciated
Thanks!
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Honey Bee King II :DX6i, Esky 25A ESC w/ 3900 motor, couple of stock batteries w/ T connectors soldered on for now, HTX900's, Purple CNC head and tail, Blade 400 Tail slider custom setup, Esky HH Gyro.
A few Airhogs Havoc Helis...