Thanks Graham,
I hope that other big guns start to shoot so that it is heard in the PFA
bureau.
Karel Vranken.
----- Original Message -----
From: "Graham Singleton" <grahamsingleton@btinternet.com>
Sent: Saturday, June 23, 2007 12:48 AM
Subject: Re: Europa-List: RE: EUROPA PIP-PIN RECESS
> <grahamsingleton@btinternet.com>
>
> Karel
> You are right about treating symptoms. I too am still very puzzled about
> the cause of William's accident. There are certainly a lot of Europas
> around with 1/2" of looseness in the tailplanes. This arises from that
> rather unwise requirement to drill the TP 10s through the torque tube and
> the TP4s. imho that is where most of this particular problem starts.
>
> The other problem is the security of the TP6 bush which is required to
> keep the tailplane in place. It can come loose from more than one cause.
> Slop in the TP12 allowing hammering while taxying on rough ground.
> Damage caused during derigging or on the trailer.
> I suspect this unhappy situation is, like most accidents, the result of
> more than one factor combining to produse an accident.
> I do find it incredible that it was possible to pull the wings off at 90
> kts.( But then I haven't done the sums.)
> Graham
>
> karelvranken wrote:
>> <karelvranken@hotmail.com>
>>
>> Nigel,
>> I can follow your explanation except when you write: "What is dangerous
>> is if the taiplanes move outwards allowing them to disconnect the TP10
>> pins." TP10's are nylon tubes. You mean perhaps the pins on the TP12?
>> Others do have the same problem hence the discussions: clamps or taper
>> pins. Finally no definite solution nor mandatory modification. The play
>> measured at trailing edge may not be more then 1/2". Karel Vranken,
>
>
>
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