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Rev 11, page 14-17, fig 14-11 Question

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paula.alvary(at)verizon.n
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Posted: Mon Feb 11, 2008 10:13 am Post subject: Rev 11, page 14-17, fig 14-11 Question

Hi All,

 I'm new to this group. I'm trying to refurbish an experimental  I recently purchased and am hoping I can get some help on this  group.

  

 I have Bob's Rev 11 book and am using it to instrument my four  cylinders for CHT monitoring. As a stop gap measure, I'll be using a rotary  switch with one EGT meter. Looking at View B of figure 14-11, either there is an  error in printing or I'm missing something. It seems to me the wiring should be  perfectly symmetrical. IF the middle thermocouple chromel goes to the lower  point of one switch, then the corresponding alumel should go to the same  location on the other (ganged )switch. I just don't see it drawn that way, am I  wrong here?

  

 --Jose

   [quote][b]

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nuckolls.bob(at)cox.net
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Posted: Mon Feb 11, 2008 4:49 pm Post subject: Rev 11, page 14-17, fig 14-11 Question

At 12:56 PM 2/11/2008 -0500, you wrote:



 	  Quote: 	
		  Hi All,

I'm new to this group. I'm trying to refurbish an experimental I recently 

purchased and am hoping I can get some help on this group.



I have Bob's Rev 11 book and am using it to instrument my four cylinders 

for CHT monitoring. As a stop gap measure, I'll be using a rotary switch 

with one EGT meter. Looking at View B of figure 14-11, either there is an 

error in printing or I'm missing something. It seems to me the wiring 

should be perfectly symmetrical. IF the middle thermocouple chromel goes 

to the lower point of one switch, then the corresponding alumel should go 

to the same location on the other (ganged )switch. I just don't see it 

drawn that way, am I wrong here?


	




    Good eye . . . in fact, someone else pointed that out to

    me some years ago. I found a revised but un-posted errata

    page for Figure 14-11 on the hard drive. It's been posted

    to:



http://aeroelectric.com/articles/Rev11/Figure_14-11_REV12-16-02.pdf



    Thanks for the heads-up.



    Bob . . .



        ----------------------------------------)

        ( . . .  a long habit of not thinking   )

        ( a thing wrong, gives it a superficial )

        ( appearance of being right . . .       )

        (                                       )

        (                  -Thomas Paine 1776-  )

        ----------------------------------------

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