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  Topic: Integration of Rotax 912iS
Tundra10

Replies: 14
Views: 6040

PostForum: AeroElectric-List   Posted: Tue Oct 11, 2022 9:58 pm   Subject: Integration of Rotax 912iS
Hi Eric,

I am not familiar with a Rotax installation, so some of my comments may not apply.
Here are some things to review:

1) There is a 22AWG powering the endurance bus feed relay coi ...
  Topic: New role for the E-Bus?
Tundra10

Replies: 82
Views: 44420

PostForum: AeroElectric-List   Posted: Sat Apr 18, 2020 7:59 am   Subject: New role for the E-Bus?
Hi Bob,

Regarding the Engine Bus Alternate feed, I was envisioning it being on
during normal flight operations, since pilots are trained to switch
off the Master if they suspect an electrical ...
  Topic: New role for the E-Bus?
Tundra10

Replies: 82
Views: 44420

PostForum: AeroElectric-List   Posted: Thu Apr 16, 2020 9:51 pm   Subject: New role for the E-Bus?
Hi Bob,

I just had a good look at Z101. I like it. Five comments, certainly
things you have thought of.

1) There is no overvoltage protection for the aux alternator. I
assume that is be ...
  Topic: Z-12 Aux Alt Question
Tundra10

Replies: 18
Views: 13672

PostForum: AeroElectric-List   Posted: Tue Jan 08, 2019 9:44 am   Subject: Re: Z-12 Aux Alt Question
It is the choice of approach many of us struggle with (at least I do).

On one hand, there is the concept of a failed alternator triggering use of an endurance bus, so you don't have to choose what ...
  Topic: Z-12 Aux Alt Question
Tundra10

Replies: 18
Views: 13672

PostForum: AeroElectric-List   Posted: Tue Jan 08, 2019 7:05 am   Subject: Re: Z-12 Aux Alt Question
You may have already caught this, but the feed to the aux alternator field needs to come from the endurance bus, or the alternator won’t work while the main bus is turned off.

Jeff Page
Dream Ai ...
  Topic: Transponder Antenna
Tundra10

Replies: 10
Views: 7386

PostForum: AeroElectric-List   Posted: Fri Jan 04, 2019 7:33 am   Subject: Re: Transponder Antenna
This would be easier for me to understand if the plastic insulator went all the way around.

It only goes halfway, so the aluminum at the tip of the antenna is the same solid chunk of aluminum as at ...
  Topic: Transponder Antenna
Tundra10

Replies: 10
Views: 7386

PostForum: AeroElectric-List   Posted: Thu Jan 03, 2019 1:52 pm   Subject: Re: Transponder Antenna
One thing I find odd about the blade transponder antenna, is that the entire body is a chunk of aluminum. There is a horizontal band with a plastic? covering. So it seems the radiating element is pr ...
  Topic: Transponder Antenna
Tundra10

Replies: 10
Views: 7386

PostForum: AeroElectric-List   Posted: Wed Jan 02, 2019 2:52 pm   Subject: Transponder Antenna
Yesterday, I pulled up the carpet and open the inspection panel to get
at the antenna connector. No connection there between the aluminium
airframe and the connector shield.

I unscrewed the ...
  Topic: Transponder Antenna
Tundra10

Replies: 10
Views: 7386

PostForum: AeroElectric-List   Posted: Tue Jan 01, 2019 12:08 am   Subject: Re: Transponder Antenna
This is a Cessna 172, so the aluminum skin is ground.
During the measurement I made, the cable was not connected to the transponder, but was connected to the antenna.
I measured from the shield of t ...
  Topic: Transponder Antenna
Tundra10

Replies: 10
Views: 7386

PostForum: AeroElectric-List   Posted: Mon Dec 31, 2018 9:05 pm   Subject: Transponder Antenna
I am installing a Garmin 335 transponder, using an existing antenna
that has been on the aluminium airplane for decades. It is a blade
style.

I was surprised to measure with the ohm meter be ...
  Topic: Garmin 335 Transponder Installation Manual
Tundra10

Replies: 1
Views: 2008

PostForum: AeroElectric-List   Posted: Sun Dec 02, 2018 4:43 am   Subject: Garmin 335 Transponder Installation Manual
I just wanted to say thank you to a number of people who privately
sent me a variety of documents that will be extremely helpful
installing a Garmin 335 transponder.

This list is a great reso ...
  Topic: Garmin 335 Transponder Installation Manual
Tundra10

Replies: 1
Views: 2008

PostForum: AeroElectric-List   Posted: Wed Nov 28, 2018 9:08 pm   Subject: Garmin 335 Transponder Installation Manual
Does anyone have a current Installation Manual for a Garmin 335
Transponder that they would be willing to share ?

Thanks !

Jeff Page
Dream Aircraft Tundra #10
  Topic: New Z-figure
Tundra10

Replies: 15
Views: 11233

PostForum: AeroElectric-List   Posted: Fri Oct 19, 2018 5:07 am   Subject: New Z-figure
Bob,

I have always wondered why the feed to the main alternator field
breaker are different sizes on each side of the breaker. This is
unchanged from earlier versions.

I assume the Ebus b ...
  Topic: PASS-THROUGH CHARGER
Tundra10

Replies: 37
Views: 24156

PostForum: AeroElectric-List   Posted: Thu Oct 04, 2018 4:58 am   Subject: Re: PASS-THROUGH CHARGER
I once read a modification that changes the file system of the Stratux to read only, which mostly requires turning off logging. This will pretty much eliminate problems corrupting the file system by ...
  Topic: Authority to solder splice a wire
Tundra10

Replies: 13
Views: 10598

PostForum: AeroElectric-List   Posted: Wed May 09, 2018 10:57 pm   Subject: Authority to solder splice a wire
Thanks Alec. I knew it had to be documented as acceptable somewhere !

Jeff

DO NOT ARCHIVE

Time: 09:05:39 AM PST US
From: Alec Myers <alec@alecmyers.com>
Subject: Re: Re: Authority ...
  Topic: Authority to solder splice a wire
Tundra10

Replies: 13
Views: 10598

PostForum: AeroElectric-List   Posted: Tue May 08, 2018 11:02 pm   Subject: Authority to solder splice a wire
Bob,

In Canada, most shops log pretty much everything, and the shop signing
off the annual plans to include the intercom wiring repair in the list
of things accomplished. I am happy they let ...
  Topic: Authority to solder splice a wire
Tundra10

Replies: 13
Views: 10598

PostForum: AeroElectric-List   Posted: Tue May 08, 2018 7:56 am   Subject: Authority to solder splice a wire
AeroElectic Wizards:

I replaced the coiled wired that connects the push to talk switch on
the yoke of my Cessna 172.
This meant splicing the coiled wire with the regular wire that runs
behin ...
  Topic: IBBS battery with B and C alternators?
Tundra10

Replies: 10
Views: 9890

PostForum: AeroElectric-List   Posted: Sat Dec 24, 2016 10:33 am   Subject: IBBS battery with B and C alternators?
In the event of an emergency landing or fire, it is necessary to turn
off both switches.
I suggest making that ergonomically easy to do in a single motion.

Jeff Page
Dream Aircraft Tundra #10 ...
  Topic: What Causes Battery to Go Bad
Tundra10

Replies: 10
Views: 6308

PostForum: AeroElectric-List   Posted: Sun Oct 30, 2016 4:40 am   Subject: What Causes Battery to Go Bad
I used
to have a stable of laboratory batteries that were
stored on a single maintainer all connected in parallel.
Some of them were service-ready after more than ten years.

Beware putting m ...
  Topic: Off Topic: Outboard Motor Tachometer
Tundra10

Replies: 4
Views: 3828

PostForum: AeroElectric-List   Posted: Tue Jul 19, 2016 9:14 am   Subject: Re: Off Topic: Outboard Motor Tachometer
Charlie,

The Arduino is a requirement :-)
The boat already has a nice digital tach for the driver to use. The Arduino board is going to automatically set the trim of the motor based on rpm. The ...
 
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