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Multi functions for a hat switch

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velocity_pilot(at)verizon
Guest

Posted: Fri Aug 03, 2007 9:01 am Post subject: Multi functions for a hat switch

Does anyone know of a schematic that I can use to control the functions of a

hat switch using a 3 position switch to create 3 separate functions for the

hat? The 3 position switch will create the logic for the 3 functions, but I

need some sort of relay board or transistor array to change the routing of

the hat outputs and I have been penciling around and am getting a bit

stumped as to the best way to do it- any help would be appreciated- there

are 4 normally open switches on the hat and the 3 position switch uses 3

wires.......

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fvalarm(at)rapidnet.net
Guest

Posted: Fri Aug 03, 2007 10:24 pm Post subject: Multi functions for a hat switch

Alex,



Since no one has replied I will try to answer your question.  You need a

quad pole, triple throw switch.  One of the various electronic warehouses

may have it such as McMaster-Carr , Electrosonic, etc may have it.  Possibly

radio Shack too.



What are you trying to accomplish?



Bevan

RV7A wiring



--

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aerobubba(at)earthlink.ne
Guest

Posted: Sat Aug 04, 2007 12:40 pm Post subject: Multi functions for a hat switch

Hi Alex-



 	  Quote: 	
		  ...create 3 separate functions for the

hat? ...


	




I know this isn't the response you were looking for, but please be careful about what you wish for.  Having multi functions for each switch on your trim system sounds like it would be a human factors issue. For example, one day you will accidentally fire a rocket when all you wanted was to run a little pitch trim...  It's statistically bound to happen.  Perhaps not a big deal if there are no critical, or at least time critical, functions on the switch.  However, incorporating that kind of operational complexity into your cockpit is generally contrary to the KISS principle.



FWIW- 



Glen Matejcek

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