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Re: [OM] OT: Reno Air Races

Subject: Re: [OM] OT: Reno Air Races
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Sun, 18 Sep 2011 11:41:14 -0400
It might also be a mistake to assume that it's flight controls are the 
same as a stock P-51.  The objective is to make it go very fast.  When a 
1941 Willys coupe pulls up to the end of the dragstrip you can bet that 
more than the engine has changed.  :-)

Chuck Norcutt


On 9/18/2011 11:32 AM, Chris Trask wrote:
>>
>> Not to argue with you, but, as I understand it, this is no
>> ordinary trim tab.  This is an anti-servo tab, where the
>> stick movement sets the angle of the tab, and the tab imparts
>> a force to move the elevator.  Losing one tab means that the
>> other tab has to do the entire job, and the behavior would be
>> difficult to predict.
>>
>
>       That might be, but I'm not familiar with the details of the P-51.  
> Could be that there is an additional part of the elevator that relieves the 
> stick pressure, much like the static and dynamic balancing on earlier 
> aircraft which were sometimes called "elephant ears".  Waco used those as did 
> Fokker.
>
>       I was looking closely at the photos currently on the CBS News webpage, 
> and there is more than just a single trim tab missing.  The gap along the 
> trailing edge of the elevaor has a wide portion and then a narrow portion 
> missing.
>
>       Trying to find any information on this subject is next to impossible as 
> the internet is overwhelmed by news of the accident.
>
> Chris
>
>
-- 
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