Can I run a Bench Operation of my Skyview Servos

cbthorne

New Member
Joined
May 31, 2010
Messages
12
Location
Cochrane Alberta Canada
I have my Skyview running on the bench with the ADAHRS, EMS module and the 250 GPS.  Can I hook up my two Servos for practice on the bench as well?  I would like to be able to learn some of the functions of the Autopilot control on the Skyview while I continue to build. Any special procedures, precautions or limitations from someone who has done this.
Thanks folks
 

dynonsupport

Dynon Technical Support
Staff member
Joined
Mar 23, 2005
Messages
13,226
Re: Can I run a Bench Operation of my Skyview Serv

You can, but you'll need to have a suitable power supply that can drive the servos. Some people use an aircraft battery hooked up to a charger if they don't have a suitable regulated power supply. Remember that you CAN NOT hook up a SkyView to a battery charger without the aircraft battery also in the loop. Doing so can destroy your avionics.

When you calibrate your servos, move the arms about 45 degrees in the directions it's asking you to (pick a servo, call it pitch, pick which directions are up/down, call the other one roll, then decide which directions are l/r. then calibrate. you can operate the disconnect switch by grounding either disconnect wire to a piece of bare metal on the servo case, which is ground). Turn the torque down on the servos, say to 20%, if you want to play with them with your hands while they're engaged to see how they slip and how the trim up/down indications work when you apply pressure to the one you've designated as pitch.

When you actually install them in the aircraft, turn the torque back up and then go through the calibration process all over again. Failing to do so will likely cause your autopilot have the servo axis and directions at least partially incorrect, which will cause the autopilot to do quite unusual things.
 

dynonsupport

Dynon Technical Support
Staff member
Joined
Mar 23, 2005
Messages
13,226
Re: Can I run a Bench Operation of my Skyview Serv

Thanks underdog... fixed.
 
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