Estes 1946 Boosted Bertha Flying Model Rocket Kit (Advanced Skill Level) free circuitry - zero voltage

free circuitry - zero voltage switching and fully grounded design makes this unit safe for electro-sensitive devices

a built-in waveform generator

Protective frames around the propellers keep them safe from damage

and dynamic events

or whatever your needs may be

Estes 1946 Boosted Bertha Flying Model Rocket Kit (Advanced Skill Level) free circuitry - zero voltageEstes is proud to welcome the newest member of the Bertha family, the Boosted Bertha. This beaut rounds out the collection by being the first in the series to feature a two stage rocket booster. A sport rocket at its core, the second booster of this multistage flying model rocket will push this Bertha skyward, reaching twice the height of Big Bertha. The Boosted Bertha will reach altitudes of 1000 feet when powered with an Estes C6 0 engine in the