The Estes Pro Series II Super Big Bertha is an unassembled flying model rocket kit built around a BT80 (2.6 in / 66 mm) body tube. It suits advanced builders who want a large, classic-looking rocket that is straightforward to put together and finish.
Kit Details
- Body tube: BT80, 2.6 in (66 mm) diameter
- Height: stands over 36 inches tall when built
- Motor retention: quick release system for fast motor changes without disassembly
- Contents: unassembled kit that requires assembly and finishing
- Design: a reissue of the classic Super Big Bertha from around 1990
Flight Performance
- Skill level: Advanced, with moderate building and finishing skills
- Recommended engines: E16-4, F15-6 with engine adapter, D12-3 (sold separately)
- Projected altitude: 1,200 ft (366 m)
Building and Finishing
Construction is manageable over a few days, even for builders newer to larger rockets. Engines, adapters, glue, paint, and tools are not included with the kit.
More From This Brand
Learn more about the manufacturer at Estes Rockets, or browse our full Model Rocketry collection for more kits and accessories.