RE: What do extreme speed guys use for servos?
In my whiplash I usd JR 8417 digital, High speed, metal gears and 80 oz/in torque.
In the Oakdale Phenom I have Hites HS-5645 mg it has a Jett 60LX. lots of torque! for high speed runs
I like the digitals for their holding torque.
I have the programmer from hitec too.
it can reverse set end points ceter point and much MORE. on hitec digitals only.
most of my othe planes have HS-425BB HS-645 mg and HS 225 and even HS-85MG
on my turbine Jet, the Kangaroo's elevons four JR-8411 digital