Today's Message Index:
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1. 12:25 AM - Re: Re: Trim position indicator (don van santen)
2. 07:20 AM - Stratux position data (Paul J. Michel)
3. 07:48 AM - Re: Stratux position data (Charlie England)
4. 11:19 AM - Re: Trim position indicator (Eric M. Jones)
Message 1
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| Subject: | Re: Trim position indicator |
Your trim system is a "spring bias" system. The belt spring connection
could be used to drive the device that Matt suggested. Thete are a few
caveots.
1 the sensor has only 1 inch of travel.
2 you would need to find the "neutral point by trial and error
3 if the belt spring connection travels more than 1 inch total you would
need to usr a bell crank to cot the input to the sensor to one inch total.
4 spring tensions must be equal with neutral trim (only in the air unless
your elevator is fully balanced)
Set up, double sided tape the sensor so that a rod connected to the belt
spring connection and attached to the slide in the sensor pushes and pulls
the sensor slide as the trim is moved up and down.
If the indicator register bsckwsrda, swap the power and return wires on the
sensor. Fly and move trim. If tbe center point is too far off mlve the
sensor in or out to correct .
Hope this helps. Btw this is similar to the aileron trim set up in an RV7
except it is driven by a servo with the motoon sensor built in.
On Dec 13, 2016 17:51, "donjohnston" <don@velocity-xl.com> wrote:
Hey Matt,
I thought about that. But since this isn't a linear mechanism, I couldn't
figure out how to implement that sensor.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=463899#463899
Message 2
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| Subject: | Stratux position data |
Hey Ya'll
I'm looking into ditching my Garmin 510 and using only ForeFlight with the Stratux
for navigation. Currently I'm feeding my 406 ELT position data from the Garmin
but want to retain that ability with the IPad/ForeFlight/Stratux set up.
Has anyone done this? Anyone know the exact pins on the Sratux to pull GPS position
from to make the 406 ELT happy? I ordered the Stratux already built so
I probably need to be spoon fed.......
Paul
Sent from my iPad
Message 3
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| Subject: | Re: Stratux position data |
On 12/14/2016 9:17 AM, Paul J. Michel wrote:
>
> Hey Ya'll
> I'm looking into ditching my Garmin 510 and using only ForeFlight with the Stratux
for navigation. Currently I'm feeding my 406 ELT position data from the
Garmin but want to retain that ability with the IPad/ForeFlight/Stratux set up.
> Has anyone done this? Anyone know the exact pins on the Sratux to pull GPS position
from to make the 406 ELT happy? I ordered the Stratux already built so
I probably need to be spoon fed.......
> Paul
GPS pucks are pretty cheap; often under $20. Why not just add a
dedicated GPS?
Message 4
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| Subject: | Re: Trim position indicator |
Bob is right. The ten LED trim position indicator detects the reference 1.2V FULL
SCALE. At the LSB it can only read 0.12 V which is below the noise level in
the environment. This is not hard to fix. 12V full scale would eliminate the
problem.
My approach to this was to make a trim wheel, which indicated the trim position
with a little fiduciary line (like Cessna). I no longer make these but might
do so in the future. The Trim Wheel is right at the top of my "I-had-this-part-in-my-old
-airplane-and-need-another-for-my-new-airplane list." The "Trim Wheel"
potentiometer also changed the voltage to my TSCMR, True Servo Controller
for Mac and RAC. This can also be used separately with your own potentiometer,
as well as a pushbutton-row assembly or what have you.
--------
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge, MA 01550
(508) 764-2072
emjones(at)charter.net
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=463914#463914
Attachments:
http://forums.matronics.com//files/servocontroller_macrac_213.pdf
http://forums.matronics.com//files/trim_wheel_no1_146.jpg
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