Today's Message Index:
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1. 09:18 AM - Re: ptt isolation (nodak)
2. 03:02 PM - Re: ptt isolation (user9253)
3. 05:55 PM - Re: ptt isolation (nodak)
4. 07:14 PM - Rotax ignition wiring (jrevens)
5. 07:47 PM - Re: Rotax ignition wiring (user9253)
Message 1
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Subject: | Re: ptt isolation |
I was wanting to disable the copilots transmit function when the pilots
ptt was activated & disabling the pilots transmit function when the
copilots ptt was activated. What I am trying to accomplish is not have
both mics on when only one ptt is activated. The flightline wiring
diagram lists a isolation relay board which is no longer available.
Thanks for the replies
Eugene Pilipanko
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=449747#449747
Message 2
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Subject: | Re: ptt isolation |
Here is a link to a wiring diagram showing how MicroAir uses two relays to connect
the mics.
http://tinyurl.com/Microair-PTT
Eugene, are you going to use the intercom function of the radio?
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Joe Gores
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http://forums.matronics.com/viewtopic.php?p=449750#449750
Message 3
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Subject: | Re: ptt isolation |
I was planning on using the intercom feature. I am trying to get some
information on how to wire the unit before I install it. It will be
couple of months before I will do the installation.
Eugene Pilipanko
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=449753#449753
Message 4
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Subject: | Rotax ignition wiring |
This may be a dumb question, but would using a shielded twisted pair for the combined
ignition control wiring to both modules be OK, or are 2 individual shielded
single conductor wires preferred for some reason? I am basically using Bob's
Z-16 diagram... I am very grateful to have that, Bob!
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John Evens
Thorp T-18 N71JE (built & flying)
Kitfox SS7 N27JE (building)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=449754#449754
Message 5
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Subject: | Re: Rotax ignition wiring |
It is better to have individual wires for each ignition to prevent one electrical
problem from disabling both ignitions. The shield on each ignition wire (on
my Rotax powered RV-12) is separated in the middle. The shield is grounded
at each end. I suspect that Van's designed it that way to prevent starter current
from burning open the shield if the engine ground wire ever breaks.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=449755#449755
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