Apologies for the misleading comment - I hadnt read the Europa Tech Talk
when I wrote that.
It seems events have overtaken me here.
>
>> One aspect of Mod 74 (yet to be decided) is that it may
>> incorporate a tie bar similar to the weight increase
>> mod - or the present weight increase mod may become
>> mandatory. There is a question mark over the effectiveness of the top hat
>> stiffeners currently
>> specified in the older Europas (without tie bars).
>
> I am sure it is decided as Mod 74 is now published with
> the need for a tie bar if you don't have Mod 52.
>
> The access hole in the Mod is 2 1/4 inches
>
> RH
>
>
>
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