I also built some of these sets...
I used a brick-built proxy from existing parts:
fot the visor, I used the standard technic visor (this one exists and fits)
(if you need my finished sets 8506, 8509, 8510 I can upload them here or send me your email by PM)
I used a brick-built proxy from existing parts:
fot the visor, I used the standard technic visor (this one exists and fits)
(if you need my finished sets 8506, 8509, 8510 I can upload them here or send me your email by PM)