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bakerocb
Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA
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 Posted: Mon Apr 01, 2013 6:00 am Post subject: Dolphin Electrical Wire Connectors |
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4/1/2013
Hello Bob Nuckolls, It has been suggested that I use these Dolphin DC-100- P or -S insulation piercing type electrical wire connectors for low amperage wire connection usage, such as a Ray Allen trim servo, in my experimental amateur built airplane:
http://dolphincomponents.com/catalogs/Section%20A%20-%20Super%20B%20standard-3207.pdf
What do you think? Thank you.
Owen C. Baker
PS: This is not intended as an April Fools Day joke.
[quote][b]
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dlj04(at)josephson.com
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| Posted: Tue Apr 02, 2013 11:39 am Post subject: Dolphin Electrical Wire Connectors |
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It might not have been intended as an April Fools joke, but it should
be. Those are "B" connectors, aka "beans" used by the telephone company
since the 1950s and intended for use in splicing telephone wires. They
do not work reliably for stranded wire. For their intended purpose,
which is joining *solid* conductors that don't ever move, they are fine
if you use the correct tool (formerly known as a "beaner.") I cannot
think of an airworthy use anywhere in an airplane (unless in your tool
bag going somewhere to fix a telephone line.)
On 4/1/13 11:58 PM, AeroElectric-List Digest Server wrote:
| Quote: | Time: 07:00:50 AM PST US
From: "Owen Baker "<bakerocb(at)cox.net>
Subject: Dolphin Electrical Wire Connectors
4/1/2013
Hello Bob Nuckolls, It has been suggested that I use these Dolphin
DC-100- P or -S insulation piercing type electrical wire connectors for
low amperage wire connection usage, such as a Ray Allen trim servo, in
my experimental amateur built airplane:
http://dolphincomponents.com/catalogs/Section%20A%20-%20Super%20B%20stand
ard-3207.pdf
What do you think? Thank you.
Owen C. Baker
PS: This is not intended as an April Fools Day joke.
|
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bakerocb
Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA
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| Posted: Fri Apr 05, 2013 3:54 am Post subject: Dolphin Electrical Wire Connectors |
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4/5/2013
Hello Again Bob Nuckolls, I am still hoping for some response from you to my posting copied below.
Thanks,
‘OC’ Baker
=============================
4/1/2013
Hello Bob Nuckolls, It has been suggested that I use these Dolphin DC-100- P or -S insulation piercing type electrical wire connectors for low amperage wire connection usage, such as a Ray Allen trim servo, in my experimental amateur built airplane:
http://dolphincomponents.com/catalogs/Section%20A%20-%20Super%20B%20standard-3207.pdf
What do you think? Thank you.
Owen C. Baker
PS: This is not intended as an April Fools Day joke.
[quote][b]
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edpav8r(at)yahoo.com
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| Posted: Fri Apr 05, 2013 8:49 am Post subject: Dolphin Electrical Wire Connectors |
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Owen,
As someone else stated, the Dolphin DC-100 connectors are intended for use in telephone and alarm system wiring. They are suitable for use only with small diameter solid wire, and are totally unsuitable for aircraft wiring. Also, they're smaller than they appear in the manufacturer's photos; I'd be surprised if you could get two wires of more than 22-gauge into them.
I used the exact connectors you're looking at when I installed the alarm system in my home. I used about 80-90 of the things, and had to remove and reapply about half a dozen because they didn't make a connection on the first try. Not the kind of reliability we need in aircraft wiring (and very annoying when working in an attic, in Phoenix, in June!).
I would stick with M22759/16 wire in a gauge appropriate for the load being served, stripped with a quality stripper like the Ideal Stripmaster, and with terminations made using PIDG crimp connectors and a quality full-cycle ratcheting crimper. That's what's been proven to work.
Cheers,
Eric
On Apr 5, 2013, at 4:52 AM, "Owen Baker " <bakerocb(at)cox.net (bakerocb(at)cox.net)> wrote:
[quote]
Hello Again Bob Nuckolls, I am still hoping for some response from you to my posting copied below.
Thanks,
‘OC’ Baker
=============================
4/1/2013
Hello Bob Nuckolls, It has been suggested that I use these Dolphin DC-100-P or -S insulation piercing type electrical wire connectors for low amperage wire connection usage, such as a Ray Allen trim servo, in my experimental amateur built airplane:
http://dolphincomponents.com/catalogs/Section%20A%20-%20Super%20B%20standard-3207.pdf
What do you think? Thank you.
Owen C. Baker
PS: This is not intended as an April Fools Day joke.
[b]
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bakerocb
Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA
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| Posted: Sat Apr 06, 2013 8:18 pm Post subject: Dolphin Electrical Wire Connectors |
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4/7/2013
Hello Again Bob Nuckolls, I thank you for your response copied below and I accept your recommendation.
As an alternate means of connecting individual small wires together I seem to recall a technique of using D sub pins and sockets crimped onto the ends of the two wires and heat shrink tubing used to help hold the wires together.
Is there anything published on using that technique?
Thank you,
‘OC’ Baker
=============================
Bob Nuckolls wrote:
I think somebody else on the list commented on those. Those
are intended to telecommunications wiring in buildings.
Except for ribbon cable connectors INSIDE black boxes,
insulation displacement technology has never taken a
foothold in aviation. I don't think I'd recommend
them for airframe systems wiring.
Oh yea, one of the ELT manufacturers used RJ series
ID connectors on ordinary telephone wire to connect
their panel mounted controls with the remote mounted
transmitter. Haven't heard anything about lack of
success for that decision . . . but still . . . their
suitability to task is limited.
Bob . . .
[quote][b]
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nuckolls.bob(at)aeroelect
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| Posted: Sun Apr 07, 2013 5:43 am Post subject: Dolphin Electrical Wire Connectors |
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At 11:16 PM 4/6/2013, you wrote:
| Quote: | 4/7/2013
Hello Again Bob Nuckolls, I thank you for your response copied below
and I accept your recommendation.
As an alternate means of connecting individual small wires together
I seem to recall a technique of using D sub pins and sockets crimped
onto the ends of the two wires and heat shrink tubing used to help
hold the wires together.
Is there anything published on using that technique?
|
Not much to publish . . . I think there are some photos
of wires joined with d-bub crimp pins on the website.
You just put mating pins on the wires to be joined,
stick them together and cover with heatsrhink. You've
created one-pin connectors with soft housings.
I think this thread started with a stated
goal of dealing with the Ray Allen actuator
wires. I gave up trying to convince first father
and then sons of the value of 22 awg leads -AND-
replacing two white motor wires with separate
colors so that the builder had a 100% chance of
wiring it right the first time! Check out this
article
http://tinyurl.com/cmq7epd
Bob . . .
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