Pro Series II™ Super Big Bertha™ - Estes ® 9719

  • Sale
  • Regular price $39.99

The Pro Series II line just got a new member! Meet the Super Big Bertha, featuring a BT80 (2.6 in/66 mm) diameter body tube for your building enjoyment. Standing over 36 inches tall, the Super Big Bertha comes with the quick release motor retention system just as the other Pro Series kits do. (9750 Motor Retainer Set – is also sold separately). Construction of this kit is not difficult and the altitudes you will reach are very impressive! Building and finish work can easily be accomplished over a few days. AND did we mention its a bring back from around 1990?

Additional Information


36.8 in. (93.5 cm)


2.6 in. (66 mm)


Laser Cut Wood

Estimated Weight:

8.9 oz. (252.3 g)


24 in. (61 cm) Parachute

Estimated Altitude:

1200 ft. (366 m)

Recommended Engines:

E16-4, F15-6
w/Engine Adapter (sold separately)-D12-3

Decal Type: Waterslide
Construction: Screw on Motor Retainer Set
Launch System:

Pro Series II Launch Pad and Pro Series II Launch Controller
Launch Rod Size: 1/4 in.
Estimated Assembly Time:

3 Hours (painting and glue drying time not included)


Estes model rocketry is recommended for ages 10 and up with adult supervision for those under 12. Unless otherwise specified, all models require assembly. Tools, construction and finishing supplies sold separately. In order to launch, a launch system, model rocket engines, starters and recovery wadding are required - sold separately-unless otherwise specified.

Instruction Manual

WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information, go to