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Panel Accessible breaker for Mission Critical Item

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nuckolls.bob(at)aeroelect
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Posted: Thu Jul 15, 2010 7:20 pm Post subject: Panel Accessible breaker for Mission Critical Item

 	  Quote: 	
		  My philosophy is that if it is possible to overload the circuit, such as

with a motor, then a CB is permissible.


	


   It is POSSIBLE that any circuit in the airplane can

   become overloaded. It's also possible that any circuit

   in the airplane can become simply inoperable. I would

   presume that worrisome things like landing gear have

   some means for extension that are not dependent on

   power . . .is this not the case in your airplane?



 	  Quote: 	
		     If it is a non-varying load, such as a light, no reset


	


   ????? what's non-varying have to do with it? If its

   a system/device that's exceptionally useful in reducing

   risk for comfortable termination of flight, then it's

   customary to have a plan-B for dealing with the loss

   of that system.



   If it's "critical", then you better have a back up

   for total loss of that system irrespective off

   root cause. To limit the failure studies to nuisance

   tripping of a breaker leaves a lot of rocks un-turned.

   Bob . . .

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