On the other hand, I have had one of the little plastic bushes in the T-bar
fall out during derigging, although this was spotted before the next flight.
But what could have been the consequence had it not been spotted?
Duncan Mcf.
----- Original Message -----
From: "Carl Pattinson" <carl@flyers.freeserve.co.uk>
Sent: Tuesday, September 11, 2007 10:10 PM
Subject: Re: Europa-List: StructuraL failure or?
> <carl@flyers.freeserve.co.uk>
>
> Please be assured you would know if you attempted a takeoff with the T bar
> disconnected - I have done it !!!!
>
> On commencing the takeoff run the stick was VERY back heavy such that when
> I started to ease the stick forwards I assumed the controls were jammed
> and aborted the takeoff. Gravity makes the trim tabs hang down forcing the
> trailing edge of the tailplanes upwards. As this is the normal position
> for takeoff (stick hard back till airspeed is reached), the problem dosent
> become obvious till the pilot tries to move the stick forward in order to
> raise the tailplane. Believe me it isnt something you could miss.
>
> If only one of the pins was engaged this would disengage fairly rapidly.
> Even if this didnt occurr there would still be a substantial force acting
> on the disengaged tailplane which would be hard to miss. It is unlikely
> that this could be trimmed out using the trim servo.
>
> Carl Pattinson
> G-LABS
>
> ----- Original Message -----
> From: "josok" <josok-e@ukolo.fi>
> To: <europa-list@matronics.com>
> Sent: Tuesday, September 11, 2007 3:23 PM
> Subject: Europa-List: StructuraL failure or?
>
>
>>
>> Hi All,
>> As far as i know there is still no conclusion from the AAIB about the
>> cause of this one and only structural failure. It keeps buzzing in my
>> mind. It is a fact that there should be no slop in tail planes, that the
>> bushes should be secure, and that wing pins should be properly attached.
>> Period.
>> But was it the cause off the accident? Speed 90 knots, no abnormal
>> movements, then suddenly very steep up and down movements, paper flying
>> from the cabin. All according the AAIB report.
>> I received the following suggestion, which i think has not been
>> communicated before: The plane was rigged by three persons. What if one
>> of the anti-trim tab drive pins was not in but on the T-rod? Everything
>> would look pretty much OK, feel pretty much OK, until the pin would pass
>> the T-rod, on which the anti tab would become a pro-tab. This would
>> cause a violent movement, on which the pilots correction would cause
>> another and so on, until destruction. It would explain the described up
>> and down movements eh? Start shooting please!
>>
>> Regards,
>>
>> Jos Okhuijsen
>>
>>
>>
>>
>>
>>
>> Visit - www.EuropaOwners.org
>>
>>
>>
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