OTOP

[Bob Richards]

I've heard high pitch squeals coming from pilots
before. Depends somewhat on what they ate the night
before, as well as the "pucker factor" of the
particular maneuver. In some maneuvers, such as the
reverse avalanche, I believe the pucker factor can
actually cause the pitch of the squeal to exceed the
frequency limits of human hearing. You'll know this is
the case when the dogs suddenly start howling in the
middle of a Masters sequence.

:-)

Bob R.

--- Keith Black <tkeithb at comcast.net> wrote:

> Let me get this straight, does Tom make the
> high-pitched squeal or does his plane? ;-D
> 
> Keith
>   ----- Original Message ----- 
>   From: Verne Koester 
>   To: discussion at nsrca.org 
>   Sent: Sunday, June 05, 2005 9:56 PM
>   Subject: Re: OTOP
> 
> 
>   Greg,
>   Tom Weedon almost always makes a high-pitched
> squeal when he does a snap roll. I've heard a number
> of composite airplanes do it as well. First one I
> ever heard was Dave vonLinsowe's Fiber Classics
> Giles. As I recall, it made the squeal in a number
> of different maneuvers.
> 
>   Verne
> 
>     ----- Original Message ----- 
>     From: GSailwhale at aol.com 
>     To: discussion at nsrca.org 
>     Sent: Sunday, June 05, 2005 8:23 PM
>     Subject: OTOP
> 
> 
>     I test flew the OTOP today and when I entered
> any kind of snap roll the airplane made a real high
> pitch squeal. It only does it in the snap roll.
> Someone at the field said that they have heard of
> the composite airplanes doing that because of the
> hollow ailerons. That didn't seem to make sense to
> me so I thought I'd pose it to everyone to see if
> they have had this before in a composite airplane.
> 
>     Greg Grigsby

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