Here are the three Thridgets I've built, one size for each diameter of Estes motors - 3x13mm, 3x18mm and 3x24mm.
The Thridget60 on the left has a 3x13mm cluster. The 2.6" diameter Thridget80 in the middle stages 3x24mm to 3x24mm. And the Thridget70 on the right uses 3x18mm clusters.
|
|
12-24-2008
|