Re: Split Elevator?

Date:         31 Mar 2000 22:25:26 
From:         "I. M. Spartacus" <i_m_spartacus@hotmail.com>
Organization: Altopia Corp. - Usenet Access - http://www.altopia.com
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On 10 Feb 2000 05:03:18 , "jtarver" <jtarver@tminet.com> wrote:
>Barry Kabello <bkabello@gte.net> wrote in message <airliners.2000.70@ohare.Chicago.COM> ...
>> I've seen several airliners taxiing around with the elevator on one side
>> down and the other up, or neutral, etc...in other words, they seem to move
>> independent of each other.  I was baffled to recently hear that each pilot
>> has independant linkage to their own elevator.  If this is true, do split
>> rudders work the same way?  Anything other split controls?  Exclusive to
>> Boeing?
>
>The split elevator design on the Boeing 767 airplane is a means of
>compliance with a CFR 14 Part 25 requirement.  Some sort of redundancy
>is the rule for aircraft controls and instrumentation.

14 CFR 25.671? However, He is likely talking about a DC-9 series aircraft,
which is not the same thing as having tandem, but disconnectable,
controls.

>With the elevators split due to a rigging jam one of the elevators would
>be expected to remain neutral and the other would provide sufficient
>elevator control for level flight.

What if the one that jammed was not at neutral?