Today's Message Index:
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1. 06:21 PM - Re: B&C switches (blues750)
2. 07:31 PM - Re: Re: B&C switches (Robert L. Nuckolls, III)
3. 07:36 PM - Re: B&C switches (user9253)
4. 07:51 PM - Re: Re: B&C switches (Robert L. Nuckolls, III)
Message 1
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| Subject: | Re: B&C switches |
OK, have reviewed the new drawing (thank you Bob... :D )...but have a couple more
questions I am pondering regarding implementation.
(1) From my power source to the relay terminals (87). I would like to run a single
12 ga wire from the front of the aircraft where the ANL holder will be located
and make a "Y" once I get near the relays for connection to each relay
87 terminal. Best way to fashion the "Y" ? My experience so far seems to say
I cannot do a double wire splice/crimp with 12 AWG in a yellow connector. Similarly
I would be doing the same thing with the gnd terminals (87A) so I could
run a single ground wire forward to my firewall ground. So my question is how
best to join two 12 AWG wires to a single 12AWG wire to fashion a "Y". I do
have solder sleeves big enough...if that is acceptable? Open to any other ideas.
(2) What is the electrical symbology between the relay terminals (30) to the motor
- best I can ref is some sort of light indicator?
(3) OK to crimp the diode leads in with the 22AWG terminals?
Appreciate any comments, insight and suggestions!
Dave...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=480538#480538
Message 2
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| Subject: | Re: B&C switches |
At 08:20 PM 5/31/2018, you wrote:
>
>OK, have reviewed the new drawing (thank you Bob... :D )...but have
>a couple more questions I am pondering regarding implementation.
>
>(1) From my power source to the relay terminals (87). I would like
>to run a single 12 ga wire from the front of the aircraft where the
>ANL holder will be located and make a "Y" once I get near the
>relays for connection to each relay 87 terminal. Best way to
>fashion the "Y" ? My experience so far seems to say I cannot do a
>double wire splice/crimp with 12 AWG in a yellow
>connector. Similarly I would be doing the same thing with the gnd
>terminals (87A) so I could run a single ground wire forward to my
>firewall ground. So my question is how best to join two 12 AWG
>wires to a single 12AWG wire to fashion a "Y". I do have solder
>sleeves big enough...if that is acceptable? Open to any other ideas.
How about mounting the relays as close to the ANL30
as practical and simply run two wires to the motor?
Mounting the relays close to battery contactor makes
all the wires on the ship-side really short.
The reason I took both 12AWG tot he ANL30 was for
that same reason . . . two terminals on one stud.
>(2) What is the electrical symbology between the relay terminals
>(30) to the motor - best I can ref is some sort of light indicator?
>
>(3) OK to crimp the diode leads in with the 22AWG terminals?
Hmmmm good question. I was going to send
you pre-wired sockets to mate with the
relays. You would splice ship's wireing
to those flying leads. A soldered lap-splice under
heat shrink is fine . . . but makes it tough
to install diodes.
Here's an alternative: https://goo.gl/QTT74j
This shows an S704 with recessed tabs where
the pre-wired socket doesn't work.
The relays I have ar like this:
Emacs!
Since you need to apply your own terminals
to the coils so you can add diodes, perhaps
the sockets are more bother than asset. Let's
go with taking ship's wires to the tabs with
your own terminals.
Another question: What's the plan-b for getting
gear down if your power is down or the motor
craps or a relay goes toast?
Bob . . .
Message 3
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| Subject: | Re: B&C switches |
I could not find that symbol in this pdf:
https://www.noao.edu/ets/Mechanical/Policies/ANSI%20Y32.2-1975.pdf
My guess is that it is a splice.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=480544#480544
Message 4
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| Subject: | Re: B&C switches |
>
>(2) What is the electrical symbology between the relay terminals
>(30) to the motor - best I can ref is some sort of light indicator?
Splice. I presume your motor is fitted with flying
leads which will get spliced to 12AWG extensions.
Bob . . .
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