June 2007 Part of the Month - Best Part
Technic Sprocket Wheel 40.4
by Donald Sutter [technog]
Donald Sutter [technog] writes about his model:
This was done by request, I didn't even know the part existed although I hoped it did. It took between 25 to 30 Hours to create. The most difficult part was matching the round notches to the angled face.