lantern gear Thrifty Lantern Pinion

lantern gear Thrifty Lantern Pinion02 04 06 Update: In stock and shipping. Note that the first batch are not all clocked the same, but when ordering more than 1 we are trying to ship matched pairs. Inspired by teams making sector and turret gears as low backlash as possible, the Thrifty Lantern gear makes the hardest part of the profile more accessible to teams. Machined as two 4140 steel parts that are pressed together, this eliminates pins walking through the assembled gear. For

02/04/06 Update: In stock and shipping. Note that the first batch are not all clocked the same, but when ordering more than 1 we are trying to ship matched pairs.

Inspired by teams making sector and turret gears as low backlash as possible, the Thrifty Lantern gear makes the hardest part of the profile more accessible to teams. Machined as two 4140 steel parts that are pressed together, this eliminates pins walking through the assembled gear. 

For generating compatible gears, we recommend this community-driven tool, with all credit going to Dan Karol on 131. We have a modified version of this generator specifically for use with this pinion for large gears.

Specs:
Black oxide 4140 steel
12 teeth
8DP
5mm pins
0.30 inch teeth
0.50 inch overall thickness
1.98 inch outer diameter

Here is an example of a mocked-up turret to show how this could be used in a turret application.

A downloadable STEP is available here.