Martin
As others have said the tunnel is structurally important. The attached PDF
shows the reduction I made on my aircraft. The important dimensions are the
5' and 7' shown in the section part of the drawing. I have the full
engineering calculations which show that this leave plenty of strength in
the tunnel. These dimensions could probable be reduced to 4' and 5' but I
do not have calculations for these.
I hope this helps
Ian Rickard G-IANI XS Trigear, 280 hours
Europa Club Mods Rep
e-mail g-iani@ntlworld.com
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