009719 - Pro Series II™ Super Big Bertha™

009719 - Pro Series II™ Super Big Bertha™

SKU# 009719

2 Review(s)

Availability: Out of stock

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009719 - Pro Series II™ Super Big Bertha™

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Customer Reviews

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Great 1st launch Review by Andrew

We took the SBB to a high-power launch this past weekend for its first flight. Beautiful liftoff and flight on an F15-8 motor. Had a chute release at 300-feet altitude and recovered it after a short walk. It was my son's favorite launch of the weekend.

(Posted on 2/21/2018)

Welcome addition to PS II lineup Review by Andrew

We have a regular Big Bertha, and my 12-year-old had just finished building and successfully flying a hot-rodded Baby Bertha, so I knew a PS II Super Bertha was a natural follow-on as soon as I saw it in the catalog. With it being three feet high and over 2.5" in diameter, he was suitably impressed with it right out of the box. If you have ever built a Mega Der Red Max, the fin construction will be familiar, i.e. a core piece with cutouts sandwiched between two thin face sheets to make a light but very stiff fin. To avoid any warping, we used epoxy to laminate the fins. A feature I really like about prior PS II rockets is the pre-cut fin slots, but on this one you have to use a template and cut them out yourself. Also the engine centering rings are cardboard that IMHO could be a bit thicker. That said, the construction has been very straight-forward and we are looking forward to first flight at a high-power launch next month. Not counting time for the fin laminates to cure, total time is 2 to 3 enjoyable hours for building and finishing.

(Posted on 1/24/2018)

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