Product Overview:
This is the new, single-stage CIMple Box. This gearbox is the official gearbox of the 2011 FIRST Kit of Parts.

This gearbox is shipped in kit form, unassembled. The CIM Motors are NOT INCLUDED with this gearbox.

CIMple Box accepts two (or one) 2.5 inch CIM Motors. Hardware is included for attaching two of these motors.

Specifications:

• Overall Ratio: 4.67:1
• Gear material: 4140 steel
• Gear type: spur gears, 20 dp, 14.5 degree pressure angle
• Gearbox housing material: Nylon 6/6 with long fiberglass fill
• Output shaft: 1/2 inch diameter, with 1/8" keyway, 4140 steel
• Weight: 1.40 pounds
• Input Gear: CIM Gear, 12 tooth, 0.315 inch bore w/ 2mm keyway (2)
• Output Gear: 56 tooth, 1/2 inch hex bore

Included Hardware:

• High-strength plastic housing
• Shaft Plate (1/8" thick, 5052 aluminum)
• 56 tooth output gear
• 12 tooth CIM gear (2)
• 2x2x10 mm machine key (2)
• 1/8 x/1/8 x 0.7 inch machine key
• #10-32 x 5/8 long SHCS (8)
• #10-32 Nylock nut (4)
• 5/16" retaining ring (2)
• 1/4-20 x 1/2" BHCS
• 1/4" washer

Additional Encoder: An optional Encoder can be purchased and added to this CIMple Box.

Videos:

• Video instruction for CIMple Box assembly
• CIMple Box User and Assembly Guide (.pdf)
• CIMple Box Assembly Instructions (.pdf)
• CIMple Box Layout file (.pdf)
• CIMple Box CAD file (.stp) (right click, save as)