In article ,
says...

Im looking for welding plans for the single seat Team Airbike.I have t
he
assembly drawings,but they dont have the fuselage dimentions on them.I
f
there was a Airbike owner in my area I guess I could measure it up pre
tty
close. 517-852-5050 Thanks,,John in michigan

You might try asking in rec.aviation.ultralight. Somebody there has
mentioned before that their neighbor used to make those fuselages and
still has the jigs.