Torquestar,
If it's in the budget, change them all to S75, for now, better safe than sorry. Then save some change and get the DS servos when available. It's not recommended to mix servos. Just an FYI.
Hope ya had a good Christmas,
Dave / Choppersrule
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ORIGINAL: Torquestar
Went to the LHS and got a few S75 servos. Replaced the one bad servo and eyeballed the swashplate to a neutral position before screwing down the servo arm. Spooled it up, and the whole heli drifted straight left like the rotors were tilted in that direction. Unhooked the battery, powered it down, disconnected the ball link, unscrewed the end a turn, and re-hooked it up. Looks more neutral and no drift when it spools up.
I made some home made "training gear" with some wooden dowels, a small block of wood ( to connect them all in the center), some wood glue and some styrofoam balls. I used some masking tape to hold the thing to the skids and tried it out. So far, looks like it's going to work great. Can't wait to try it out tomorrow.
Is there anything technically "bad" in running one analog servo with the rest being digital? I know it'll act differently, but in all honesty, it seemed to act no different than the other servos. I'd rather not replace the other servos if I don't really HAVE to...