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I do have room to drill a second bolt; will do. And I'll run the battery neg cable directly to the big 5/16 bolt. Thanks to all for your replies.

I am building an RV7 and have the BandC GB48 48 tab ground block. It appears to have only one pass thru bolt for mounting (pic attached). My questions are:

1. Do people recommend soldering the enti ...

Thanks for the replies I now understand the primary regulator is off when the master is in the BAT or OFF position, thank you.

The aux alt control in z101 is placed on the battery bus, so I can s ...

Thanks Charlie. I now understand the primary regulator is off when the master is in the BAT or OFF position, thank you.

The aux alt control in z101 is placed on the battery bus, so I can shutdown ...

Oops, never mind, I discovered my own mistake. When the master is off, the pri alt field cannot get power from anything, as the bus voltage into the LR-3 regulator is zero.

Sorry for my confusion!

I am implementing Z101 on my electrically dependent RV7 with a Lycoming IO360 engine, SDS EFII. I have a very basic question regarding operating states and switches. It may be stupid, so help me out. ...

Charlie, great thanks for performing that test! Really helpful for me to understand what to expect.

20AWG linkwire is the the smallest off-the-shelf
product I've located thus far. If anyone spots
something smaller, please give the List a
heads-up.

well, if you have $9, this B&C Specialty P ...

On reviewing Mudfly's Schematics, and the Z101 Rev b, I have a basic question on the implementation of fusible links for the power feed wire from the main power bus to the bus input (pin 6) on the LR- ...

On 2/17/2023 1:49 PM, jcohen@post.com wrote:

Now that I am having fun building fusible links for my Pri and Aux Alternator wires, I am using off the shelf Pico fusible link wire (12AWG and 14AW ...

Now that I am having fun building fusible links for my Pri and Aux Alternator wires, I am using off the shelf Pico fusible link wire (12AWG and 14AWG) to build my FAT wire links, should I still cover ...

thank you for the replies! Very helpful!

In order to reduce the number of studs with nuts that could loosen in my Z101, I decided to use Fusible links 12AWG and 14AWG for my Pri and Aux Alternator Fault wires, 8AWG and 10AWG respectively. Th ...

John, Your spreadsheet "terminals to use with multiple wires" is very helpful. I really appreciate that information and will follow your suggestion to reduce the number of connections with ...

I was planning on using one terminal stud of my 40A MIDI base (sold by B&C) to also act as my FAT wire point in Z101. But the B&C MIDI base utilizes #10 (0.1875" diam.) terminal studs, I ...

Thank you for your comments. Welding cable it is!

I am building a Vans RV7 , IO360, Z101, using B&C master and starter contactors, and an EarthX ETX 900 battery. I canâ€™t easily use the Vans design solution of 0.125â€ thick copper bar, about 3â ...