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Panel Accessible breaker for Mission Critical Item

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raymondj(at)frontiernet.n
Guest

Posted: Thu Jul 15, 2010 11:11 am Post subject: Panel Accessible breaker for Mission Critical Item

FWIW



Could attempting to deploy flaps at too high a speed result in an 

overload resulting in a blown CB?



Could attempting to deploy flaps with an ice buildup result in an 

overload resulting in a blown CB?



Could there be any other conditions (bird's nest, or ????) that might be 

cleared during flight or by multiple attempts to deploy flaps?



I'm in favor of a resettable CB.



Raymond Julian

Kettle River, MN.



On 07/15/2010 01:23 PM, longg(at)pjm.com wrote:

[quote] 



 Thanks,



 Ok, so we're all in agreement that either resetting a breaker or

 replacing a fuse on flaps in flight is completely futile? And were quite

 sure no one in history has recovered from a popped breaker on a flap

 motor?



 That makes my decision easy.



 Glenn E. Long

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longg(at)pjm.com
Guest

Posted: Thu Jul 15, 2010 11:33 am Post subject: Panel Accessible breaker for Mission Critical Item

Thanks All,



Yes, I tend to agree - there must be some value (and a lot of memorable

stories) in being able to reset flaps at least once. Sure, if a problem

exists, or I see smoke - forget it, but for all the reasons mentioned

it's worth $20.



Glenn E. Long

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khorton

Joined: 18 Jun 2006
Posts: 4
Location: Ottawa, Canada

Posted: Thu Jul 15, 2010 5:31 pm Post subject: Re: Panel Accessible breaker for Mission Critical Item

[quote="raymondj(at)frontiernet.n"Could there be any other conditions (bird's nest, or ????) that might be 

cleared during flight or by multiple attempts to deploy flaps?



I'm in favor of a resettable CB.



[/quote]

Sure, some conditions could be cleared by multiple attempts to reset CBs.  If the CB has popped for a good reason, multiple attempts to reset it could start an electrical fire (witness the Air Canada DC-9 accident in Cincinatii many years ago, where multiple CB reset attempts started an in-flight fire which killed many people).  I'd rather do a zero flaps landing than do multiple CB resets and risk an in-flight fire.  If a zero flap landing is more risky than an in-flight fire, then there is a problem somewhere.



Kevin Horton

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_________________
Kevin Horton RV-8
Ottawa, Canada
http://www.kilohotel.com/rv8

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