Today's Message Index:
----------------------
1. 03:28 AM - Re: FW-Eng ground (Richard Reynolds)
2. 04:23 AM - Re: Garmin 430 transmitter problem (Michael W Stewart)
3. 04:31 AM - Supplier for pitot tube electrical connector? (Kevin Horton)
4. 05:49 AM - Re: Supplier for pitot tube electrical connector? (Neal George)
5. 05:51 AM - Re: Supplier for pitot tube electrical connector? (Ralph E. Capen)
6. 07:27 PM - Low transmit volume on Valcom 760 (Chad)
7. 11:06 PM - switching from Z-11 to Z-13 (Michael T. Ice)
Message 1
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| Subject: | Re: FW-Eng ground |
Did you "zero" the ohm meter? Are the batteries fresh? Measure a
piece of 18 awg to insure the meter is reading correctly.
Richard Reynolds
On Jul 9, 2007, at 1:54 PM, Fergus Kyle wrote:
>
> 'lectric Bob:
> I'm having trouble setting out the basics. I am using B&C's braid
> strip (11-1/2" long) to join Firewall Ground (big Bolt on Froest of
> Tabs) to
> engine block mounting bolt on Rotax 914 - a rare possible spot in the
> distance.
> The $10 voltmeter says "7.3 Ohms" give or take - and I wonder if
> that is in the ball park in view of the braid length - otherwise
> it's FW to
> eng mount which may be worse......
> Best of regards
> Ferg
> Europa A064 914 mono
>
>
Message 2
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| Subject: | Re: Garmin 430 transmitter problem |
I had a similar problem and spent 2 weeks on it. If there is seperate p
ower
to the VOR input, then the radio looks like it works, shows tx when
transmitting, but the transmissions are junk. In my case I could barely
be
heard by a plane next to me. Since your being heard, this may not be th
e
problem, but Id check it.
I finally broke down and took it to Stark avionics shop. They spent 4 h
ours
on it.
IT WAS THE COM FUSE!!!!
Geez:
Mike
David Abrahamson
<dave@abrahamson.
net>
To
Sent by: aeroelectric-list@matronics.com
owner-aeroelectri
cc
c-list-server@mat
ronics.com Subj
ect
AeroElectric-List: Garmin 430
transmitter problem
07/10/2007 08:24
PM
Please respond to
aeroelectric-list
@matronics.com
<dave@abrahamson.net>
My 430 was transmitting fine for the first 28 hours of my phase I
period, but at the end of the last flight was inaudible to approach.
After flight, I pulled and re-docked the 430 and compared its
transmissions to the SL30's in the same panel (same freq, same volume
level, same type antennas, same antenna location on the airplane,
engine off) and got a "like the SL30 but scratchy" from one station,
and "4 by 4 on the SL30 and 3 by 3 on the 430" from another. Maybe
significantly, the headset side tone from the 430 is about half the
volume of the SL30's, without touching settings on the headset or
GMA340, obviously. All other 430 functions work fine, to include
reception and VOR/ILS freqs.
Has anyone had a similar/identical problem with their 430, and if so,
what solutions were successful?
Thanks,
David
========================
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Message 3
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| Subject: | Supplier for pitot tube electrical connector? |
I managed to drop my AN-5812 pitot tube, and broke the brown
(Bakelite?) electrical connector. The connector is labeled as
"39A3637". Googling shows a whole host of expensive looking
suppliers that might have it, but I would appreciate any
recommendations on places to try for a cheaper price.
Thanks,
Kevin Horton RV-8 (finishing kit)
Ottawa, Canada
http://www.kilohotel.com/rv8
do not archive
Message 4
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| Subject: | Supplier for pitot tube electrical connector? |
Kevin -
I think Bob recently ran an experiment focused on the power connecters for
that pitot tube. If memory serves, he reported that in operation, the
connectors do not get hot enough to jeopardize simple soldered connections.
The final recommendation was to solder a pigtail to the tube's power stubs
and attach a more common, less expensive connector of your choosing to the
pigtail.
Neal George
Navarre, FL
RV-7 N8ZG (Cowling)
I managed to drop my AN-5812 pitot tube, and broke the brown
(Bakelite?) electrical connector. The connector is labeled as "39A3637".
Googling shows a whole host of expensive looking suppliers that might have
it, but I would appreciate any recommendations on places to try for a
cheaper price.
Thanks,
Kevin Horton RV-8 (finishing kit)
Ottawa, Canada
http://www.kilohotel.com/rv8
do not archive
Message 5
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| Subject: | Re: Supplier for pitot tube electrical connector? |
Aircraft spruce has them, Gretz aero has a few.
Mine broke during the installation - I got a spare...they're pricey
-----Original Message-----
>From: Kevin Horton <khorton01@rogers.com>
>Sent: Jul 11, 2007 7:27 AM
>To: aeroelectric-list@matronics.com
>Subject: AeroElectric-List: Supplier for pitot tube electrical connector?
>
>
>I managed to drop my AN-5812 pitot tube, and broke the brown
>(Bakelite?) electrical connector. The connector is labeled as
>"39A3637". Googling shows a whole host of expensive looking
>suppliers that might have it, but I would appreciate any
>recommendations on places to try for a cheaper price.
>
>Thanks,
>
>Kevin Horton RV-8 (finishing kit)
>Ottawa, Canada
>http://www.kilohotel.com/rv8
>do not archive
>
>
Message 6
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| Subject: | Low transmit volume on Valcom 760 |
Hello all, new subscriber here looking for some helpful advice.
I'm finishing up my instrument panel and did some radio testing
tonight. I have a Valcom 760 radio hooked up to a fiberglass rod type
antenna. I can receive great, in fact I was picking up traffic in the
pattern at an airport about 40 miles north of here with the airplane in
my garage. That said, I switched to a known unused channel and tried
some transmitting (listening on my handheld about 15 feet away) but the
volume was almost inaudible. I had to practically shout into my headset
mic in order to really hear and understand anything. I've checked some
of the basics with the wiring and don't see anything obvious.
Anyone have any tips on what to check or what the problem might be? I'm
afraid that everyone will be able to hear me key the mic, but will
struggle understanding me with this low output volume.
Regards,
Chad
Message 7
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| Subject: | switching from Z-11 to Z-13 |
Hello,
I have already wired my aircraft with the Z-11 schematic. But now I am switching
to E-mags ( 1 P-Mag & 1 E-mag) and need to rewire towards the Z-13 schematic.
My questions are:
Can the 2-10 switch be used as the Dc Power master switch instead of the 2-3.
I see in the Z-13 the 5 A Fld Alt is on the other side of the switch. Why? Can
I just leave the 2-10 in place as wired in the Z-11 and will it work for the 2-3
in the Z-13?
I see the 2-10 switches in the Z-11 that were used for mag switches are now 2-5
in the Z-13. Is there any way to use the 2-10's, or are the 2-5's so different
that I have to use them?
Or should I just order the new switches from B&C and wire them in like the Z-13?
I also see that the mags in the Z-11 required shielded wire. It looks like the
E-Mags don't require shielded wire. Is that correct? Why?
Thank you,
Mike Ice
Anchorage, Alaska
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