Scratch - Bertha Shark Scratch

Manufacturer: Scratch
Product Type: Scratch
Reviews
  • Descon Bertha Shark By Greg Elder

    Bertha Shark by Greg Elder Parts 1 - Estes Big Bertha Kit 1 - BT-60 body tube, 2 3/4" long 1 – JT-60C tube coupler 2 – CR2060 centering rings 1 – BT-20 motor tube 3/32" balsa fin stock This rocket is a bash between a Big Bertha and Estes Industries Rocket Plan No.22, Tiger Shark. Hence, the name Bertha Shark . Construction, Upper ...

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