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  Topic: Forest of Tabs in Multiple Locations
MFleming

Replies: 3
Views: 3829

PostForum: AeroElectric-List   Posted: Tue Mar 30, 2021 11:29 am   Subject: Re: Forest of Tabs in Multiple Locations
So, would it better if the forest of tabs was not grounded at the sub panel and keep the connecting wire?

From reading your book I thought it is better for all grounds to be tied to a central grou ...
  Topic: Forest of Tabs in Multiple Locations
MFleming

Replies: 3
Views: 3829

PostForum: AeroElectric-List   Posted: Fri Mar 19, 2021 8:29 am   Subject: Forest of Tabs in Multiple Locations
A fellow RV-7 builder has a B&C forest of tabs located on the pilot side of the firewall with battery ground attaching on the hot side.

They also have a small cluster of tabs on the sub panel. ...
  Topic: Fuse Block - Breaker Combination
MFleming

Replies: 1
Views: 2037

PostForum: AeroElectric-List   Posted: Sun Feb 28, 2021 5:36 pm   Subject: Fuse Block - Breaker Combination
RV-7 project, deep into the wiring, basically a Z101 architecture.

Fuse blocks are used for the main bus and clearance delivery bus but I do have a few breakers. Flap, trim and auto pilot breakers ...
  Topic: Clearance Delivery Diode Leakage
MFleming

Replies: 10
Views: 6103

PostForum: AeroElectric-List   Posted: Thu Dec 31, 2020 5:10 pm   Subject: Re: Clearance Delivery Diode Leakage
Check for electricity on the main bus using a test light.
The light will not illuminate. That means there is no voltage on the main bus.
Leave the test light connected to the main bus, then measure ...
  Topic: Clearance Delivery Diode Leakage
MFleming

Replies: 10
Views: 6103

PostForum: AeroElectric-List   Posted: Thu Dec 31, 2020 10:12 am   Subject: Re: Clearance Delivery Diode Leakage
--> AeroElectric-List message posted by: Dick Tasker <dick>

As far as I can see on your picture, you have no loads anywhere and have the positive supply lead only connected to the CD bus. ...
  Topic: Clearance Delivery Diode Leakage
MFleming

Replies: 10
Views: 6103

PostForum: AeroElectric-List   Posted: Wed Dec 30, 2020 11:57 am   Subject: Re: Clearance Delivery Diode Leakage
A voltage drop across a diode is normal. A drop of o.4 volts is low. It will be
2 or even 3 times that much under heavy load. Power (heat) equals volts
times current. Suppose that the load is ...
  Topic: Clearance Delivery Diode Leakage
MFleming

Replies: 10
Views: 6103

PostForum: AeroElectric-List   Posted: Tue Dec 29, 2020 8:56 pm   Subject: Clearance Delivery Diode Leakage
The wiring has begun for my RV-7. I've decided to use fuse blocks for circuit protection.

The architecture will utilize a clearance delivery (CD) buss. The CD buss has a diode installed per Z101B. ...
  Topic: Small wires running with big wires
MFleming

Replies: 2
Views: 2030

PostForum: AeroElectric-List   Posted: Sun Nov 22, 2020 9:17 pm   Subject: Small wires running with big wires
I searched though the list but didn't find anything related to this. If it's here, my apologies.

My master and stater solenoids got installed along with an ANL fuse and shunt on the firewall today. ...
  Topic: Soldering Big Connections
MFleming

Replies: 6
Views: 3718

PostForum: AeroElectric-List   Posted: Wed Nov 18, 2020 8:48 pm   Subject: Re: Soldering Big Connections
Boy, Bob was right about taking a chunk of wire to the parts store to select the proper size ring connector. The 4 AWG connecters were really sloppy in my 4 AWG welding wire and the 6 AWG connectors w ...
  Topic: Soldering Big Connections
MFleming

Replies: 6
Views: 3718

PostForum: AeroElectric-List   Posted: Mon Nov 16, 2020 11:42 am   Subject: Soldering Big Connections
After reading Bob's article on soldering big connection I still have some questions.

Is the wicking of solder down the wire causing a rigid wire for the first inch or so preventable?

Besides a p ...
  Topic: Questions about Architecture Design
MFleming

Replies: 5
Views: 5595

PostForum: AeroElectric-List   Posted: Mon May 25, 2020 8:40 pm   Subject: Re: Questions about Architecture Design
At 02:44 PM 5/25/2020, you wrote:
--> AeroElectric-List message posted by: "MFleming" <sagriver>

I hope these questions are not too rudimentary or repetitive.

I'm moving i ...
  Topic: Questions about Architecture Design
MFleming

Replies: 5
Views: 5595

PostForum: AeroElectric-List   Posted: Mon May 25, 2020 11:44 am   Subject: Questions about Architecture Design
I hope these questions are not too rudimentary or repetitive.

I'm moving in on finalizing the wiring design for my RV-7. A few question have nagged me for a while and I'm eager to better understand ...
  Topic: Z-12 Architecture, Back-Up Alternator Wiring
MFleming

Replies: 10
Views: 9103

PostForum: AeroElectric-List   Posted: Mon May 04, 2020 12:54 pm   Subject: Re: Z-12 Architecture, Back-Up Alternator Wiring
Bob,

Well I though we were isolated living in Alaska back in the day but southern Kansas looks pretty far from welder parts ;- )
I was visiting Oklahoma City, Bartlesville, Fort Smith and Indepe ...
  Topic: Z-12 Architecture, Back-Up Alternator Wiring
MFleming

Replies: 10
Views: 9103

PostForum: AeroElectric-List   Posted: Fri May 01, 2020 2:12 pm   Subject: Re: Z-12 Architecture, Back-Up Alternator Wiring
So I took your advice and crafted a Z-12 version.

Can some light be shed on the use of shunts as well as a Hall effect sensor?
I would like to have the information to my EFIS from each alternator. ...
  Topic: Z-12 Architecture, Back-Up Alternator Wiring
MFleming

Replies: 10
Views: 9103

PostForum: AeroElectric-List   Posted: Tue Apr 28, 2020 8:08 pm   Subject: Re: Z-12 Architecture, Back-Up Alternator Wiring
After looking over Z101, this is my first try at an architecture that would fit my mission.

Criticism will be taken as constructive, no offense taken.

Looking into my avionics suite, the Garmin ...
  Topic: Z-12 Architecture, Back-Up Alternator Wiring
MFleming

Replies: 1
Views: 2857

PostForum: AeroElectric-List   Posted: Wed Apr 15, 2020 7:47 pm   Subject: Re: Z-12 Architecture, Back-Up Alternator Wiring
Thank you for the feedback...

I found the files, can't wait to look them over thoroughly.

I'm planning on one Pmag...I'm not sure if that qualifies as electrically dependent but I would guess ye ...
  Topic: Z-12 Architecture, Back-Up Alternator Wiring
MFleming

Replies: 1
Views: 3112

PostForum: AeroElectric-List   Posted: Wed Apr 15, 2020 3:13 pm   Subject: Z-12 Architecture, Back-Up Alternator Wiring
The Z-12 Architecture looks like it will fit my goals for my RV-7 I'm building.

The question I could not find an answer to when searching this list is:
For economic reasons, can I wire for the ba ...
 
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