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Keiths Web Site
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Date: 9-20-2010
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Number of Hours: 0.00
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Manual Reference:
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Brief Description: Potentiometers
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The trim motor was another cause of grief. I kept trying to adjust the potentiometer screw down in the bowels of the instrument shelf, blind. Apart from blowing fuses, as the screwdriver shorted the system (switch everying off first or use an insulated screwdriver), I made no progress and was fearful of overturning the screw. I turned to the web site for help, and was advised to remove the the control unit so that I could see what I was doing. I had avoided the obvious, thinking it was a significant retrograde step, but it is only a few screws to undo the left hand instrument panel with the control unit attached. When I could see the pot screw, it did not take long to make the adjustment.
I also adjusted the several volume controls so that there's a hierarchy of volume, stall warner, then Dynon warnings, then radio etc. In general, these were all turned up to a deafening volume. They may still be a bit high in service, but I'll suck it and see.
While fiddling with the Dynon, I followed the instructions to calibrate the trim position indicator. As per web advice I have set the "neutral" trim position a third of the way from full nose down trim.
I also finally managed to update the Dynon software to version 5.3, after downloading the Vans parameter file to my laptop. I had to put the laptop right in the bowels of the forward cockpit, and couldn't get it to work initially. Subsequently found three things. Not plugged in securely enough to the floating plug. My laptop doesn't like working at 90 degrees to its normal attitude. My laptop doesn't like the aeroclub intranet, so I had to switch off the network - this eventually needs fixing, but it's not an aeroplane problem. I'm working on a better solution going forward.
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