My scratch built version of this Estes classic. Has interchangeable 18mm, 24mm, and 2x18mm motor mounts.
| Flight Date: | 2014-01-25 | 
| Rocket Name: | Big Bertha | 
| Flyer's Name: | Jeffrey Gortatowsky | 
| Motors: | D21-7 | 
| Wind Speed: | 2.00 mph | 
| Launch Site: | Aerial Acres, CA | 
Instead of a D21-7 it was a D21-14 and ejected at impact. Trash bag recovery. retired
| Stage | Motor(s) | 
|---|---|
| 1 | Aerotech D21T-7 | 
|  |  |