REFLECTOR: DYNON AHARS location again

[John Tvedte]

I believe GRT uses a separate magnetometer.  Do they make a model w/integral magnetometer?

John

From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Michael Watson
Sent: Wednesday, June 29, 2011 11:10 AM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: DYNON AHARS location again

I have my GRT AHRS on top of the left side of the canard away from the trim actuator.
I have not encountered any problems in five years.

On Tue, Jun 28, 2011 at 12:27 PM, Hiroo Umeno <humeno at microsoft.com<mailto:humeno at microsoft.com>> wrote:
Not a Dynon but I initially placed my Sierra/Chelton/Corban AHRS between the two back seats on my SUV.  The back seats are on glass base (non-adjustable).  I noticed heading drift based on engine RPM at that location so I had to move it away.  I also had problems in the nose based on current draw due to proximity to battery.

I currently have it in the strake baggage area, a location I am not entirely happy with.

Hiroo

From: reflector-bounces at tvbf.org<mailto:reflector-bounces at tvbf.org> [mailto:reflector-bounces at tvbf.org<mailto:reflector-bounces at tvbf.org>] On Behalf Of Alex Balic
Sent: Tuesday, June 28, 2011 7:35 AM
To: 'Velocity Aircraft Owners and Builders list'
Subject: REFLECTOR: DYNON AHARS location again

Getting back to the recent discussion about Dynon AHARS placement- there was a suggestion to put it under the rear seat- I like this location because it is generally away from everything electrical except my AP servo (about  20")  but that has twisted pairs, so might be OK- anyway- did the person who located it under the rear seats have the metal seat tracks, or was it with the built up rear FG deck? I didn't notice any particular magnetic issues in my area, although I have the floor mounted metal tracks so the seats can be adjusted or removed, - didn't want to have the sensor located out of reach inside the strake where I would have to remove the wing to get to it.  Any suggestions?

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--
Mike W.
1997 Velocity Elite RG
Franklin /IVO Electric CS
Dual GRT EFIS HX Synthetic Vision
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