IF YOU ARE LOOKING TO BUILD A .46 DUCTED FAN FROM PLANS, THEN THORJET IN THE UK HAVE PLAN PACKS FOR VARIOUS TYPES OF FIGHTER MODELS INCLUDING A FANTASTIC F20 TIGERSHARK (I HAVE BUILT 2).
THEY ARE NOT ON THE NET BUT HERE IS THEIR ADDRESS WHERE YOU CAN GET THEIR CATALOGUE:

THORJET
C/O THE GLASTON GARAGE
MAIN STREET
GLASTON
OAKHAM
RUTLAND
LEICS.
LE15 9BP.

TELEPHONE (INTL) 01572 823394.

duthie.