Today's Message Index:
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1. 04:48 AM - Re: ADS-B issue (merlewagner2)
2. 08:57 AM - EarthX Battery Charging Graph (user9253)
3. 10:13 AM - Motor reversing circuit for trim servo motor using automotive relays (Bob Verwey)
4. 12:33 PM - Re: Motor reversing circuit for trim servo motor using automotiv (Eric Page)
Message 1
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"Its been a while, but I remember that the key for my ADS-B report was using flight
following. Getting ATC involved. Did you make sure your reg number was set
(instead of anon) ?
Which ADS-B unit do you have?"
Thanks for the replies. The unit was working fine but then I relocated the transponder
and made an extension cable to fit. I suspect this might be the culprit.
Just strange that Flightaware (uses ADS-B data) sees me but the FAA does not.
I will have to go back thru my flight data to verify ground speed but suspect
data from GPS to transponder.
I have an ADS-B test set so I will check output. My transponder is a Trig TT22
and the GPS is a Safe-Fly 2020 from GRT.
--------
KC1DNJ
General Radiotelephone
Commercial SEL
A & P
Building scale P51, rebuilding Tailwind W10
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=511171#511171
Message 2
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| Subject: | EarthX Battery Charging Graph |
Suggested Changes to EarthX Graphs:
https://earthxbatteries.com/dual-bus-lithium-battery-design/
Remove "TIME" from the graph.
Relabel "Voltage" to "Voltage Regulator Setpoint".
Of course the setpoint will not change unless adjusted by a mechanic.
The graph shows what battery charging current would be at various regulator voltage
settings.
Putting a diode in series with a battery has the same effect as reducing the voltage
regulator setpoint.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=511172#511172
Message 3
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| Subject: | Motor reversing circuit for trim servo motor using |
automotive relays
I have converted a Luscombe manual trim to work with a linear actuator. 12v.
Momentary rocker switch on control stick.
While the internet abounds with circuit offerings, I am aware of
potential "noise" elements and there are probably a few best practices
to adhere to.
Any circuit suggestions appreciated.
Best...
Bob V
Message 4
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| Subject: | Re: Motor reversing circuit for trim servo motor using |
automotiv
How about a full-bridge motor driver module?
Link to eBay, US sellers: https://tinyurl.com/bdfzwpne
Module datasheet: https://tinyurl.com/223fjh8s
Infineon datasheet: https://tinyurl.com/BTS7960B
YouTube video: https://youtu.be/SCwrkhY7NIk
I built a module very much like this one to buffer the trim signals from my Dynon
autopilot control panel (2A current limit) to the elevator trim linear actuator
in my Kitfox (about 7A max).
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=511174#511174
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