Chopper References
R2BC - Astromech.net
Threads
Frame & Skins
joymonkey - Paul Murphy
http://astromech.net/forums/showthread.php?23070-Chopper-Frame-Design-WIP
points to: http://joymonkey.com/misc/ChopperFrameR1bcdr.jpg
and: http://joymonkey.com/misc/Chopper%20Frame%20R1bcdr.pdf
Gallery Sources
TinyP
Gallery > Members Albums > TinyP > Chopper
http://astromech.net/forums/gallery2.php?g2_itemId=83618&g2_highlightId=111593&g2_GALLERYSID=2388729873fd22cb92cba5c0eaa75efc
find:
Album: Chopper
Album: Chopper Dome 3D Print Files
Album: Chopper Build
As for the dome downloads in my gallery, look for the one without a thumbnail photo and click on it:
Thingiverse 3D Models
https://www.thingiverse.com/thing:2447836
Star Wars: Rebels - Full Size C1-10P Chopper - Main Arm by ProtoPROPS, published Jul 22, 2017
https://www.thingiverse.com/thing:1685849
Star Wars: Rebels - Full Size C1-10P Chopper Frame by ProtoPROPS, published Jul 22, 2016
https://www.thingiverse.com/thing:1686903
Star Wars: Rebels - Full Size C1-10p Chopper Skins by ProtoPROPS, published Jul 23, 2016
YouTube
PatchBOTS | Chopper - Part 1 Functionality and Frame Design
https://www.youtube.com/watch?v=x4-17ty2qFY
https://metlesitsfleetyards.deviantart.com/art/Chopper-575971844
in MAX format only
PatchBOTS | Chopper - Part 2 Motorizing the Head Mechanism
https://www.youtube.com/watch?v=RfOqeG-Fq2A
uses ~15.5 in bearing - guess at vxb 392 mm
hessmer.org/gears/involutespurgearbuilder.html
PatchBOTS | Chopper - Part 3 Head Arms #1
https://www.youtube.com/watch?v=68kN2pg_F0E
Kurt W Zimmerman's thread on the RPF http://www.therpf.com/showthread.php?t=222997