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11-29-2009, 12:57 PM
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Join Date: Jun 2006
Location: Ottawa, Ontario, Canada
Posts: 2,116
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trutrack noise
Today I installed my battery and fired up my panel for the first time. It was very cool turning the Avionics Master on and seeing my COM and xpndr light up. Then I hit the EFIS switch and watched my Dynon come alive. Of course I turned on the map and cabin lights for full effect, plugged in my headset and listened to the CYOW tower.
There is a strange sound coming from my Trutrack Pictoral Turn and Bank instrument. It's sort of a quiet squeeky sound. Is this normal?
Thanks,
Phil
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Phil
RV9A (SB)
Flying since July 2010!
Ottawa, Canada
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11-29-2009, 04:46 PM
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VAF Moderator / Line Boy
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Join Date: Jan 2005
Location: Dayton, NV
Posts: 12,247
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I can't say that I have ever heard any noise from my PP, Phil - but that doesn't necessarily mean that what you hear is a problem. Probably need to call Tru Trak and hold you phone next to the unit... 
Paul
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Paul F. Dye
Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
http://Ironflight.com
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11-29-2009, 11:52 PM
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Join Date: Feb 2005
Location: Minneapolis
Posts: 2,471
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You're probably just hearing the little servo inside of the box moving a tiny bit. Nothing to be concerned about. The Dynon's have their click, the PP's their squeaks, so on and so forth!
Cheers,
Stein
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11-30-2009, 08:16 AM
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Join Date: Jun 2006
Location: Ottawa, Ontario, Canada
Posts: 2,116
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Servo? Does this unit have a physical gyro spinning in there? I guess I assumed it was solid-state...
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Phil
RV9A (SB)
Flying since July 2010!
Ottawa, Canada
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11-30-2009, 08:34 AM
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Join Date: Mar 2008
Location: Springdale, AR
Posts: 547
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No, it does not have a spinning gyro and is completely solid state. But there is a small servo motor in there that moves the blue sky mask back and forth. It does make a small, squeaky-like sound that you can hear when everything is quiet.
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11-30-2009, 12:08 PM
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Join Date: Jan 2005
Location: Shorewood, WI (Milwaukee area)
Posts: 1,066
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TruTrak
Sure does! Glad to know that it's normal.
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Bill Dicus
Shorewood (Milwaukee) Wisconsin
RV-8 N9669D Flying 12/4/14!
Flying Pitts S-2A, Piper Lance
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11-30-2009, 12:16 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,408
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Quote:
Originally Posted by TrutrakTech
No, it does not have a spinning gyro and is completely solid state. But there is a small servo motor in there that moves the blue sky mask back and forth. It does make a small, squeaky-like sound that you can hear when everything is quiet.
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Good to know that, is it also normal for the horizon to roll 90 degrees ???? I am not flying yet, but last time I powered up the ADI, the horizon slowly started tipping over, fuse was just standing still in the shop. I pulled the breaker, havent done anything else as of yet.
Thanks for all your help in the forums.
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Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010 
Phase 1 done, 2/4/2011
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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11-30-2009, 03:57 PM
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Join Date: Mar 2008
Location: Springdale, AR
Posts: 547
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Mike,
That is most likely due to your battery being drawn down. We see this a lot when the engine is not running, i.e. charging system in a discharging mode. Connect a battery charger to your battery and or start the engine, it will probably work normally. Thanks!
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11-30-2009, 06:03 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,408
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Quote:
Originally Posted by TrutrakTech
Mike,
That is most likely due to your battery being drawn down. We see this a lot when the engine is not running, i.e. charging system in a discharging mode. Connect a battery charger to your battery and or start the engine, it will probably work normally. Thanks!
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I was kinda suspecting that low voltage might be the problem, thanks for the quick answer.
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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