I haven't seen this kit in years. Is it possible to retain the wheels and rebuild the undercarriage legs with rod stock?
Two books that I know have details of the FD2: both out of print.
British Experimental Jet Aircraft by Barrie Hygate
ISBN 1 85486 010 0
Project Cancelled
Derek Wood
Various ISBN's, depending on edition and publisher
0 71060 441 6
0 67252 166 0
1 85488 026 8
Several websites have pictures that will help:
http://prototypes.free.fr/fd2/fd2-1.htm
http://prototypes.free.fr/fd2/imagewof/fd2_08.jpg
http://prototypes.free.fr/fd2/images/fd2_12.jpg
http://prototypes.free.fr/fd2/imagewof/fd2_07.jpg
http://prototypes.free.fr/fd2/images/fd2_15.jpg
http://prototypes.free.fr/fd2/images/fd2_16.jpg
http://prototypes.free.fr/fd2/images/fd2_17.jpg
There's a cutaway here
http://prototypes.free.fr/fd2/images/fd2_09.jpg
At Cosford
http://prototypes.free.fr/fd2/images/fd2_11.jpg
A Walkaround of WG777 at Cosford, with all the undercarriage detail you could want
http://www.andybann.com/walkarounds/fairey_delta/
faireyfd2walk.html
Some more pics of the FD2 here
http://www.studenten.net/customasp/axl/planes.asp?
cat_id=7