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jfrjr(at)adelphia.net
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 Posted: Thu May 17, 2007 1:50 pm Post subject: AHRS/magnetometer location |
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Group: After lots of head scratching I am going with dual GRT screens but now I need to know where to put the AHRS units and the magnetometers. It seems that Grand Rapids is not all that fussy about their locations (wing tips, subpanel, fuselage) but I would like to know what others have recommended and done. Are there indeed preferred locations in terms of functionality and ease of construction? Thanks, Jay Rowe #40301
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bcondrey
Joined: 03 Apr 2006
Posts: 580
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| Posted: Thu May 17, 2007 1:59 pm Post subject: AHRS/magnetometer location |
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Jay,
I have my magnetometer on a small shelf in the top of the tailcone (aft part of the same bay as batteries). This gets better than 24” separation from anything else is reasonably accessible. The AHRS is on the right side of the right panel rib forward of the subpanel. I made a shelf that is attached to both the rib and the F-1001B. Lots of choices for location but these worked out well for me (I’m not yet flying however) based on physical location and the limited electrical testing that I’ve done.
Bob #40105
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Jay Rowe
Sent: Thursday, May 17, 2007 5:49 PM
To: matronics
Subject: RV10-List: AHRS/magnetometer location
Group: After lots of head scratching I am going with dual GRT screens but now I need to know where to put the AHRS units and the magnetometers. It seems that Grand Rapids is not all that fussy about their locations (wing tips, subpanel, fuselage) but I would like to know what others have recommended and done. Are there indeed preferred locations in terms of functionality and ease of construction? Thanks, Jay Rowe #40301
| Quote: | | http://www.matronics.com/Navigator?RV10-List |
01234
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ScooterF15
Joined: 19 Jun 2006
Posts: 136
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| Posted: Thu May 17, 2007 2:01 pm Post subject: AHRS/magnetometer location |
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I put BMA magnetometer just aft of the baggage compartment on a level plate attached to the side of the fuse. I don't recommend this. The EMF from the master relay, the autopilot motor and the swinging of the rear seat belt cables raises hell with my heading. I will be relocating it. I would recommend putting it outboard in the wing that doesn't have an autopilot servo, aileron trim servo or pitot heat.
-Jim
40134
Jim "Scooter" McGrew
http://www.mit.edu/~jsmcgrew
See what's free at AOL.com.
[quote][b]
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flysrv10(at)gmail.com
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| Posted: Thu May 17, 2007 2:19 pm Post subject: AHRS/magnetometer location |
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My AHARS is attached to one of the firewall angles and the sub-panel ribs, kinda above my left knee. the bottom of the AHARS is flush with the bottom of the sub-panel. I made brackets with nut-plates so that I can remove it laying upside down using one hand/tool. This location allowed for very short wire runs.
The manometer is located in the left wing-tip attached to couple of angles that are attached to the last outboard rib.
Things seem to wok pretty accurately but I have nothing else to compare with.
Do not archive.
On May 17, 2007, at 5:49 PM, Jay Rowe wrote:
| Quote: | Group: After lots of head scratching I am going with dual GRT screens but now I need to know where to put the AHRS units and the magnetometers. It seems that Grand Rapids is not all that fussy about their locations (wing tips, subpanel, fuselage) but I would like to know what others have recommended and done. Are there indeed preferred locations in terms of functionality and ease of construction? Thanks, Jay Rowe #40301
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| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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coop85(at)cableone.net
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| Posted: Thu May 17, 2007 4:38 pm Post subject: AHRS/magnetometer location |
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I built a small shelf just aft of the baggage compartment abeam the longerons and mounted both to it. It has worked great for 130 hours with no issues except one. On a few frequencies, when I key the mic the attitude pitches up slightly. Doesn’t matter which antenna (one on the bottom aft of the baggage compartment, another foil antenna on the forward cabin top). I suspect it is not the AHRS location as much as either a grounding issue or shielding issue on the wires going to the AHARS (ie there isn’t any which I thought was odd but pressed). No heading issues for me regarding trim motor or other activity in the area.
Marcus
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Jay Rowe
Sent: Thursday, May 17, 2007 4:49 PM
To: matronics
Subject: RV10-List: AHRS/magnetometer location
Group: After lots of head scratching I am going with dual GRT screens but now I need to know where to put the AHRS units and the magnetometers. It seems that Grand Rapids is not all that fussy about their locations (wing tips, subpanel, fuselage) but I would like to know what others have recommended and done. Are there indeed preferred locations in terms of functionality and ease of construction? Thanks, Jay Rowe #40301
| Quote: | | http://www.matronics.com/Navigator?RV10-List |
01234
[quote][b]
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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wvu(at)ameritel.net
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| Posted: Thu May 17, 2007 7:16 pm Post subject: AHRS/magnetometer location |
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Mine are centered on a shelf which is mounted on the longerons in the tailcone back against the next bulkhead after the baggage bulkhead. No issues. I don't have antennas back there. I do have the pitch servo on one side of the battery, and the strobe power pack on the other side.
Anh
N591VU - Flying - 60 hrs
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| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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