RV-List Digest Archive

Wed 10/08/08


Total Messages Posted: 2



Today's Message Index:
----------------------
 
     1. 06:03 AM - Prop repitch (Wheeler North)
     2. 10:38 AM - Re: Strobe switch problem (Charles Kuss)
 
 
 


Message 1


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    Time: 06:03:39 AM PST US
    From: "Wheeler North" <wnorth@sdccd.edu>
    Subject: Prop repitch
    The one thing I never heard was why was the repitching a major mod? Are the pitch specs specific to that engine/prop combo in a specific airframe? Does the repitching exceed the prop manufacturer's limits? (aka bad idea) If not is there another airframe with that same engine/prop combo that allows this new pitch? If so I don't see it as a major mod.


    Message 2


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    Time: 10:38:21 AM PST US
    From: Charles Kuss <chaskuss@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 --- On Mon, 9/8/08, Charles Brame <chasb@satx.rr.com> wrote: > From: Charles Brame <chasb@satx.rr.com> > Subject: RV-List: Strobe switch problem > To: "RV-List RV-List" <rv-list@matronics.com>, "linn Walters" <pitts_pilot@bellsouth.net> > Date: Monday, September 8, 2008, 1:17 PM > <chasb@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@bellsouth.net> > Subject: Re: RV-List: 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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