Excelsior Rocketry - '57 Goony {Plan} Plan

Contributed by Lester Anderson

Published: 2016-08-02
Manufacturer: Excelsior Rocketry
Style: Goonybird


A kitbash modification of an Estes Baby Bertha kit. It looks like a sci-fi version of a 1957 Chevy Bel-Air.


The usual standard of Estes parts found in the Baby Bertha kit.


Pretty easy build. You end up cutting 2 of the stock fins to make the primary wings on the model. The "exhaust stacks" need 8 launch lugs to fabricate them. The hardest part is carving the "hand" that sticks up over the top fin/windshield. To get it to look right you almost have to trace the decal on to the fin stock.


2 different colors of paint to make the model look right. I hate masking, I always seem to get bleed under.

Construction Score:


Straight up and slow. Spirals around itself.


No issues here. Standard Estes 123 inch parachute deploys like it should.

Flight Rating:


Too bad the plans are OOP. I would love to upscale this little beast.

Overall Rating:



Steve Lindeman (November 6, 2016)

Lester, once I get settled into my new home I will see if I can find the plans I have for this rocket. Wife thinks I'm a pack rat because I try and keep all my old instructions but I keep telling her you never know when they might come in handy. Anyway will look for them and if I find them will send you a copy. If not I may be able to draft up a set.

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