Bob McC
Joined: 09 Jan 2006
Posts: 258
Location: Toronto, ON
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 Posted: Thu Jul 15, 2010 9:11 am Post subject: Panel Accessible breaker for Mission Critical Item |
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And further to that , how or why would either a fuse or breaker open such that resetting would get the flaps working. If the fuse or breaker opens then likely the flap motor or its wiring has failed causing the protective device to operate and therefore resetting isn't going to restore flap functionality anyway. Protective devices normally only operate for just cause, and if you don't repair the root cause resetting the device accomplishes nothing other than an additional trip.
Bob McC
| Quote: | From: khorton01(at)rogers.com
Date: Thu, 15 Jul 2010 12:23:06 -0400
Subject: Re: Panel Accessible breaker for Mission Critical Item
To: aeroelectric-list(at)matronics.com
--> AeroElectric-List message posted by: Kevin Horton <khorton01(at)rogers.com>
What is your plan to deal with failure of the flap motor? Why
wouldn't the same plan be appropriate to deal with an open flap motor
CB?
--
Kevin Horton
Ottawa, Canada
On Thu, Jul 15, 2010 at 11:14, <longg(at)pjm.com> wrote:
> --> AeroElectric-List message posted by: <longg(at)pjm.com>
>
> Goal: to determine if there is added value in being able to reset a
> breaker for a mission critical item.
>
> Assumptions: I have plenty of fuse busses in my airplane (don't sell me
> on the fuse vs. breaker crap) and only a couple of breakers. I'm not
> worried about one more $20 breaker.
>
> Problem: My aircraft, Lancair Legacy is not designed to land without
> flaps; not even just for fun. If you do you put yourself in a situation
> of a high speed landing with no visibility over the nose. Flaps fix that
> problem in that they provide the option of being able to modify the wing
> cord such that you can see a bit of the runway during landing. So, all
> is well when the flap motor has electrons.
>
> No, there is no Piper J bar on a Legacy. Electric only and no emergency
> dump option. The only option is to find a long runway and fly it in.
>
> My question: Am I at negative odds using a fuse which I might have to
> fish for if my flaps go out during flight or do I replace that option
> with a breaker on the panel?
>
> Thanks,
>
> Glenn
>
>
>
>========================>
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_________________
Bob McC
Falco #908
(just starting) |
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