Today's Message Index:
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1. 10:09 AM - ADAHRS attaching hardware ()
2. 10:36 AM - Re: ADAHRS attaching hardware (Carl Froehlich)
3. 12:53 PM - Re: ADAHRS attaching hardware (Jim Combs)
4. 04:53 PM - Re: ADAHRS attaching hardware (Vincent Himsl)
Message 1
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| Subject: | ADAHRS attaching hardware |
Dynon, and I am sure all other manufacturers, specify non-magnetic
attach hardware. I am thinking AN3C bolts with MS 21044 locknuts, but
not sure if these are truly non-magnetic. Some stainless is not. Brass
may be a better choice, but I do not see much brass hardware in my
catalogs, especially nuts. Am curious as to what other builders have
used for these installations.
Stan Loer
RV-8 QB
Message 2
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| Subject: | ADAHRS attaching hardware |
#6 stainless steel hardware from the Lowes aviation department. Use a
magnet to make sure they are not magnetic.
Carl
From: owner-rv8-list-server@matronics.com
[mailto:owner-rv8-list-server@matronics.com] On Behalf Of stazel@cpros.com
Sent: Tuesday, September 17, 2013 1:09 PM
Subject: RV8-List: ADAHRS attaching hardware
Dynon, and I am sure all other manufacturers, specify non-magnetic attach
hardware. I am thinking AN3C bolts with MS 21044 locknuts, but not sure if
these are truly non-magnetic. Some stainless is not. Brass may be a better
choice, but I do not see much brass hardware in my catalogs, especially
nuts. Am curious as to what other builders have used for these
installations.
Stan Loer
RV-8 QB
Message 3
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| Subject: | Re: ADAHRS attaching hardware |
Loses aviation dept has brass hrdware. Worked for me.
Sent from my iPhone
On Sep 17, 2013, at 1:09 PM, <stazel@cpros.com> wrote:
> Dynon, and I am sure all other manufacturers, specify non-magnetic attach h
ardware. I am thinking AN3C bolts with MS 21044 locknuts, but not sure if t
hese are truly non-magnetic. Some stainless is not. Brass may be a better c
hoice, but I do not see much brass hardware in my catalogs, especially nuts.
Am curious as to what other builders have used for these installations.
>
> Stan Loer
> RV-8 QB
>
>
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Message 4
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| Subject: | ADAHRS attaching hardware |
Finding a =98magnetically=99 suitable location in an RV8 is
quite a challenge. I first tried the usual recommendations (Tail, floor,
etc.) which appeared OK until you moved the controls. Then Whoaaaaa!
Thing to remember is you need to keep compass away from moving magnetic
materials (canopy, control column, Roll bars, Screws, pedal linkage,
etc.). Using my standard compass as a field test device, I finally
settled on mounting my Dynon D-10A behind the panel and mounted to the
back of my AVMAP gizmo plastic mount using fabricated aluminum brackets
and nylon screws and washers (1/4=9D I think) available most
anywhere for isolation. It is several inches from the wiring harness,
radio and transponder (and cables). Good luck getting a foot. Apparently
I chose wisely as I have not noticed any Heading Indicator (Dynon D-180)
jumps or lags.
A children=99s toy compass will give you a good indication of
location suitability. Place in test spot, then move everything that
moves in flight. Turn on/off electronics, etc. Frankly I was amazed at
how susceptible to most everything the compass (Magnetic Sensing Units)
is. As a result, I am most thankful for GPS. I have the standard compass
as well (FAA requirement), but would use my cell phone GPS (AVARE for
the android) before I would that. Has a pretty red light though
Have picture will postif you are interested.
VinceHimsl
RV8 100 hrs
=9CI really need to finish the wheel pants=9D
From: owner-rv8-list-server@matronics.com
[mailto:owner-rv8-list-server@matronics.com] On Behalf Of Jim Combs
Sent: Tuesday, September 17, 2013 12:53 PM
Subject: Re: RV8-List: ADAHRS attaching hardware
Loses aviation dept has brass hrdware. Worked for me.
Sent from my iPhone
On Sep 17, 2013, at 1:09 PM, <stazel@cpros.com> wrote:
Dynon, and I am sure all other manufacturers, specify non-magnetic
attach hardware. I am thinking AN3C bolts with MS 21044 locknuts, but
not sure if these are truly non-magnetic. Some stainless is not. Brass
may be a better choice, but I do not see much brass hardware in my
catalogs, especially nuts. Am curious as to what other builders have
used for these installations.
Stan Loer
RV-8 QB
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