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10-05-2015 10:20 AM
Traxxas1
Re: Reconfigure EFlite Apprentice S15e receiver

I called HH and they assured me that the original setup on the apprentice S is fully digital. By using an analog servo is very risky because an analog servo is not meant to work at the high refreshment rate of the receiver and it's possible the analog servo will eventually burnout.
Just a word of caution.
10-04-2015 08:43 PM
Max
Re: Reconfigure EFlite Apprentice S15e receiver

Interesting root cause and simple solution.

Thanks for sharing guys
10-04-2015 12:31 PM
Traxxas1
Re: Reconfigure EFlite Apprentice S15e receiver

Good to know. HH told me it needs digital.
10-04-2015 10:48 AM
hellyeh
Re: Reconfigure EFlite Apprentice S15e receiver

You do not NEED digital servos in this plane . The stock EFLR7150 servo right beside the elevator servo is just an analog version .
10-04-2015 09:33 AM
Traxxas1
Re: Reconfigure EFlite Apprentice S15e receiver

I think you need digital servos with that receiver.Be careful the HS-82MG won't burn out.
10-04-2015 09:14 AM
kitbuilder
Re: Reconfigure EFlite Apprentice S15e receiver

When I was checking out my new Apprentice I noticed the elevator servo buzzed/chattered constantly. After reading on RCgroups how many problems people had experienced with the stock servo I removed it and installed a Hitec HS82MG. Fast and easy improvement. Problem solved. The Apprentice is not an inexpensive plane and new owners should not have to replace garbage components.
10-01-2015 08:14 AM
jim.f.hertel@gmail.com I guess I was wrong about the servo being digital but it cured the problem. User Traxxas1 had used a digital servo to cure this issue.
10-01-2015 03:13 AM
4*60
Re: Reconfigure EFlite Apprentice S15e receiver

425bb is not digital
09-30-2015 03:27 PM
jim.f.hertel@gmail.com
Re: Reconfigure EFlite Apprentice S15e receiver

PROBLEM:
When I wiggled the elevator back and forth and then let go of the stick, the servo continued to wiggle back and forth for a couple of seconds before stopping. So this
is a bad servo that was for sure not centering anymore.

SOLUTION:
I replaced the EFLR7155 servo that was faulty with a digital servo such as the
HITECH HS-425BB. The centering problem is completely gone now. The E-Flite
apprentice now goes full speed through the air like an arrow perfectly. See attached
images of before and after fix.
09-17-2015 10:33 PM
geopat
Re: Reconfigure EFlite Apprentice S15e receiver

Same here. Tried it in both intermediate and expert modes I get a flutter at high throttle or when flying head on into the wind. Even with stiffening the fuse there is still some there. Im going to look into replacing the servo as well.
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