----------------------------------------------------------
                           AeroElectric-List Digest Archive
                                      ---
                     Total Messages Posted Sat 11/25/17: 3
           ----------------------------------------------------------
 
 
Today's Message Index:
----------------------
 
     1. 10:37 AM - Re: Re: z13/8 ess bus feed  (Robert L. Nuckolls, III)
     2. 07:31 PM - 1A Slow Blow Fuse  (Art Zemon)
     3. 09:30 PM - Re: 1A Slow Blow Fuse  (Charlie England)
 
 
 
________________________________  Message 1  _____________________________________


Time: 10:37:41 AM PST US
From: "Robert L. Nuckolls, III" <nuckolls.bob@aeroelectric.com>
Subject: Re: AeroElectric-List: Re: z13/8 ess bus feed

At 02:35 PM 11/24/2017, you wrote:
>
>Is it acceptable to use cb's, fuses or limiters in place of the fuse 
>links from the stby alternator, main bus to master and the alternate 
>essential bus feed? Also is it ok to use 1 amp fuses in place of 
>fuse links from the shunts on a G3X system?
>
>

   Sure. Fusible links are simply a low cost, lower parts
   count, convenient substitute for the LONG TIME CONSTANT
   current limiter. Fusible links and current limiters target
   the battery-driven, hard fault condition.

   For your purposes, you can replace ANY fusible link
   shown in the drawings with a fuse or circuit breaker
   but I suggest that it only adds to cost and labor.
   But it's not 'unacceptable'.

   I would avoid using fuses lower than 3A for
   mechanical robustness concerns . . . in fact,
   for airplanes wired with nothing smaller than
   22AWG, a 5A fuse is a practical lower limit
   for fuse selection.


   Bob . . . 

________________________________  Message 2  _____________________________________


Time: 07:31:55 PM PST US
From: Art Zemon <art@zemon.name>
Subject: AeroElectric-List: 1A Slow Blow Fuse

Bob,

In a recent message, you wrote: " I would avoid using fuses lower than 3A
for mechanical robustness concerns."

I am installing an MGL backup ASI+altimeter and the installation
instructions call for a 1A slow blow fuse. I bought a glass tube fuse and
an inline holder.

I do remember what you have written (many times!) about fuses protecting
the wires but opted to follow the manufacturer's instructions. I would love
to hear your thoughts about this situation.

    -- Art Z.

-- 
https://CheerfulCurmudgeon.com/

*"If I am not for myself, who is for me? And if I am only for myself, what
am I? And if not now, when?" Hillel*

________________________________  Message 3  _____________________________________


Time: 09:30:46 PM PST US
Subject: Re: AeroElectric-List: 1A Slow Blow Fuse
From: Charlie England <ceengland7@gmail.com>

1A slow blow sounds oxymoronic to me=2E=2E=2E

Charlie


On Nov 25, 2017, 
9:37 PM, at 9:37 PM, Art Zemon <art@zemon=2Ename> wrote:
>Bob,
>
>In a rece
nt message, you wrote: " I would avoid using fuses lower than
>3A
>for mech
anical robustness concerns=2E"
>
>I am installing an MGL backup ASI+altimet
er and the installation
>instructions call for a 1A slow blow fuse=2E I bou
ght a glass tube fuse
>and
>an inline holder=2E
>
>I do remember what you h
ave written (many times!) about fuses
>protecting
>the wires but opted to f
ollow the manufacturer's instructions=2E I would
>love
>to hear your though
ts about this situation=2E
>
>    -- Art Z=2E
>
>-- 
>https://CheerfulCurmu
dgeon=2Ecom/
>
>*"If I am not for myself, who is for me? And if I am only f
or myself,
>what
>am I? And if not now, when?" Hillel*

 

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