Reviews

• Modification Ahtreb By Dennis McClain-Furmanski

  Brief: Big Bertha modified for rear ejection. Modifications: This is a Big Bertha modified so that the motor tube extends nearly the length of the body, and acts as a piston upon ejection. Recovery is nose first, making the rocket appear to be coming in upside down. I call it Ahtreb, which is Bertha backwards. Essentially the motor mount assembly is not glued into the body tube, but it is ...