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chaskuss(at)yahoo.com
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 Posted: Wed Oct 08, 2008 9:38 am Post subject: Strobe switch problem |
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Charlie,
I obtained my Carling Technologies 15 amp rated switches from Waytek Wire. They had the best pricing. See
http://order.waytekwire.com/productdetail/M37/44266
http://order.waytekwire.com/productdetail/M37/44251
http://order.waytekwire.com/productdetail/M37/44253
http://order.waytekwire.com/productdetail/M37/44259
On items such as my Piper style pitot tube (heated), I used a DPST switch, as the pitot has two heating elements. In this fashion, each element has it's own pair of contacts, and amperage through each set of contacts is halved (compared to using a SPST switch)
Charlie Kuss
--- On Mon, 9/8/08, Charles Brame <chasb(at)satx.rr.com> wrote:
| Quote: | From: Charles Brame <chasb(at)satx.rr.com>
Subject: Strobe switch problem
To: "RV-List RV-List" <rv-list(at)matronics.com>, "linn Walters" <pitts_pilot(at)bellsouth.net>
Date: Monday, September 8, 2008, 1:17 PM
<chasb(at)satx.rr.com>
You are right. None of the Carling Technologies site toggle
switches
have the S700 designation.
My switch was purchased from B&C Specialty Products and
was not
listed as a Carling product. See:
http://www.bandcspecialty.com/
However, The AeroElectric Connection in several places has
refered to
the S700 series switch (a 7+ amp, 125 to 250 VAC, toggle
switch) as a
Carling product. Several of the individuals that have had
strobe
system switch problems also referred to Carling toggle
switches. I
think Carling was stamped on the side of my shorted out
switch, but I
can't confirm that as the switch is no longer
available.
For a description of a similar switch failure, See: http://
www.aeroelectric.com/articles/Anatomy_of_a_Switch_Failure/
Anatomy_of_a_Switch_Failure.html
Bob Nuckolls has recommended a more robust toggle switch
for my
system, the Honeywell 11TS95.
Charlie Brame
RV-6A N11CB
San Antonio
Do Not Archive
--------------------------------------------------------------
Time: 02:51:17 AM PST US
From: linn Walters <pitts_pilot(at)bellsouth.net>
Subject: Re: Re: Strobe switch problem
>
This is really odd! The switch is designed to short ......
> All of the failed switches so far are Carling 700
series switches.
>
I googles 'carling 700 switch' and got:
Rotary /switch Carling/ Technologies. /700/-Series: four
position single
pole rotary /switch/; 1 to 4 amp, 125 to 250VAC;
self-cleaning wiping
contacts; *...
*Which confuses me more since this isn't really a
rotary switch
application ..... what am I missing??? And it's only
rated at 4 amp.
AC though. I never knew exactly why, but AC rated switches
aren't
supposed to work as good in a DC environment.
> A more robust switch seems to be the short term fix.
>
If we're really talking about the same switch, I agree.
Linn
do not archive
>
> Charlie Brame
> RV-6A N11CB
> San Antonio
>
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chasb(at)satx.rr.com
Guest
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| Posted: Thu Oct 09, 2008 12:57 pm Post subject: Strobe Switch Problem |
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Charlie,
Thanks for the info, but I've sworn off the Carling switches. All the recently reported strobe system switch failures have been the Carling 700 series.
Honeywell has a series of toggle switches recommended by Bob Nuckolls in the AeroElectric Connection forum. I installed a SPST Honeywell toggle switch (part #11TS95-2) from DigiKey to control my strobe system. It is the same size and appearance as the Carling 700 series. A bit more expensive, but more robust. So far, no problems.
Check out: http://sensing.honeywell.com/index.cfm?ci_id=140301&pr_id=124570&productList=124570
Charlie Brame
RV-6A N11CB
San Antonio
----------------------------------------------------
Time: 10:38:21 AM PST US
From: Charles Kuss <chaskuss(at)yahoo.com (chaskuss(at)yahoo.com)>
Subject: Re: Strobe switch problem
Charlie,
I obtained my Carling Technologies 15 amp rated switches from Waytek Wire. They
had the best pricing. See
http://order.waytekwire.com/productdetail/M37/44266
http://order.waytekwire.com/productdetail/M37/44251
http://order.waytekwire.com/productdetail/M37/44253
http://order.waytekwire.com/productdetail/M37/44259
On items such as my Piper style pitot tube (heated), I used a DPST switch, as the
pitot has two heating elements. In this fashion, each element has it's own
pair of contacts, and amperage through each set of contacts is halved (compared
to using a SPST switch)
Charlie Kuss
[quote][b]
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