I had the same problem and was told to remove the foam locally from the
inside of the fuselage where it was contacting the torque tube and then
patch over the exposed area with 2 ply of bid there by creating the
clearance required. Regards richard
----- Original Message -----
From: "Rowland & Wilma Carson" <rowil@clara.net>
Sent: Monday, September 22, 2008 9:40 PM
Subject: Europa-List: cockpit module alignment
> I've managed to be ill in bed with a fever during the recent dry
> weather and so missed a chance to do the spar bush alignemnt stuff
> outdoors, but I have another problem that's bothering me.
>
> I attach 6 fairly small pictures which I hope illustrate what I'm
> talking about.
>
> I have fitted the bearings for both ends of the CS05 torque tubes and
> was pretty happy with the way it was all going until I put the
> cockpit module into the lower fuselage moulding (see picture
> DSCN2491.jpg) to do the check of stick movement as advised in the
> manual (page 13-10). If I don't sit in the CM, all is fine and
> movement of the sticks is constrained only by the cockpit sides and
> tunnel. However, when I sit in it, the movement is considerably
> reduced; with only about 100mm deflection left or right from centre
> at the top of the stick, there's a graunching noise as the corners of
> CS07/08 scrape against the fuselage floor.
>
> You'll see in the picture that the outlines of the brown foam inserts
> in the lower moulding don't seem to have any real relationship with
> the various cutouts and shapes of the CM. I'd have thought that
> perhaps they would line up in places. They are not even symmetrical
> port & starboard (the seats, on my CM anyway, have slightly different
> shapes P & S).
>
> I phoned up the factory when I found this and Roger assured me that
> all will be well when the CM & lower moulding are bonded and thus
> stiffened. However, as I look at things more closely, I am not much
> comforted by that.
>
> The cockpit flange at the bottom of the seat backrest is supported by
> only fresh air, in the middle of the green area across the middle of
> picture DSCN2496.jpg, and any pressure on the seat pan will bend the
> CM down into that depression. That causes CS07/08 to touch the
> fuselage floor where the small black marks can be seen on the brown
> area at the rear of the green stripe. I checked that the clearance
> for CS07/08 is correct (~6mm) as per the manual (picture
> DSCN2501.jpg), but the depression in the green stripe is about 4mm
> deep (picture DSCN2513.jpg) so if the CM is pushed down ito that
> locally the clearance will be badly compromised.
>
> Picture DSCN2515.jpg shows the width of the green depression, with a
> ruler placed against the port CS07/08 witness mark. The depression
> lies from about 25mm to 100mm on the ruler. Picture DSCN2516.jpg
> shows the same ruler positioned on the CM underside against CS07,
> demonstrating that the CM flange across the seat-backs falls between
> the 25mm mark and the 100mm mark.
>
> I think the engineering solution is to put packing between the CM and
> the fuselage where there is no foam layer, so that the Redux will not
> need to bridge the full 4mm gap. But what packing? It's got to be at
> least as strong as the Redux. Maybe I should go the (expensive) route
> of putting in a layer of Redux first with release film to fill the
> gap, as I did on the ribs when closing the wings.
>
> Has anyone else found this problem? Or is my CM/fuselage moulding a
> mismatched pair?
>
> All input appreciated!
>
> regards
>
> Rowland
> --
> | Wilma & Rowland Carson http://home.clara.net/rowil/
> | <rowil@clara.net> ... that's Rowland with a 'w' ...
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