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philipgeorge347(at)hotmai
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 Posted: Fri Jul 27, 2007 12:35 pm Post subject: europa list mod 74 |
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Am i missing something ? Why do we have to go thru a pristine bottom wing
skin to do this mod
(longer pin with nut and washer ) when the wing rear close out is the same
distance away from the
pin 65mm aprox. this would result in far less disruption of the structure
and the resulting repair to
the close out would only be two layers of bid and no filler or paint
required for the repair .Just my
thoughts. Philip George G-EORJ classic mono wheel
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carl(at)flyers.freeserve.
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| Posted: Fri Jul 27, 2007 1:37 pm Post subject: europa list mod 74 |
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I have seen the work on the only Europa which has undergone Mod 74 courtesy
Andy Draper. We asked the same question and the feeling is there isnt enough
room to get a spanner around the securing nut to tighten it - its a lot
easier through the wing underside.
The access hole is about 1.5" diameter and the repair afterwards extends to
about 9" square. As its on the underside it has little effect on the
aerodynamics of the wing and is easy to conceal.
My understanding is the PFA will consider an alternative means of access and
someone is looking into this.
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).
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rholder(at)avnet.co.uk
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| Posted: Fri Jul 27, 2007 2:50 pm Post subject: europa list mod 74 |
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| Quote: | I have seen the work on the only Europa which has
undergone Mod 74 courtesy Andy Draper. We asked the
same question and the feeling is there isnt enough room
to get a spanner around the securing nut to tighten it
- its a lot easier through the wing underside.
|
| Quote: | The access hole is about 1.5" diameter and the repair
afterwards extends to about 9" square. As its on the
underside it has little effect on the aerodynamics of
the wing and is easy to conceal.
|
| Quote: | My understanding is the PFA will consider an
alternative means of access and someone is looking into
this.
|
| Quote: | 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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houlihan(at)blueyonder.co
Guest
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| Posted: Fri Jul 27, 2007 3:06 pm Post subject: Europa list mod 74 |
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My reading of the info on the Europa web site is that a Classic when
fitted with mod 74 including the tie bar but not the rest of the mod 52
will not have its weight increase to 1370 lbs.
This seems odd to me but that is the way I read it.
Any way to get the weight up 1370 lbs without doing first mod 52 and then
mod 74 ?
Tim Houlihan
G-BZTH
| Quote: |
> I have seen the work on the only Europa which has
> undergone Mod 74 courtesy Andy Draper. We asked the
> same question and the feeling is there isnt enough room
> to get a spanner around the securing nut to tighten it
> - its a lot easier through the wing underside.
> The access hole is about 1.5" diameter and the repair
> afterwards extends to about 9" square. As its on the
> underside it has little effect on the aerodynamics of
> the wing and is easy to conceal.
> My understanding is the PFA will consider an
> alternative means of access and someone is looking into
> this.
> 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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carl(at)flyers.freeserve.
Guest
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| Posted: Sat Jul 28, 2007 12:09 am Post subject: europa list mod 74 |
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Apologies for the misleading comment - I hadnt read the Europa Tech Talk
when I wrote that.
It seems events have overtaken me here.
| Quote: |
> 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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carl(at)flyers.freeserve.
Guest
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| Posted: Sat Jul 28, 2007 12:14 am Post subject: Europa list mod 74 |
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Hi Tim,
I had the same thought - the answer is almost certainly NO !
Theres a lot more work/ parts involved in Mod 52 - unfortunately.
I think its probably better to do Mod 52 if possible first. We are intending
to fit a VP prop shortly so Mod 52 is a must for us anyway.
Probably wait till the winter (assuming that isnt NOW) and get all these
jobs out the way in one go).
Regards
Carl & Dot
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