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New Downscale Big Bertha PDF Available!
I just finished up a new carded downscale of the Estes classic
BIG BERTHA This scheme is based on the color picture from the 1969 Estes catalog. The FREE PDF includes a BT-5 body skin wrap and cardstock fins. It stands 7 3/4" tall and flys with 1/2A3-2t and A3-4t engines. Bob Harrington had already produced a great carded MiniBrute version of the Bertha. Mine is a little different in that you use a BT-5 and apply a printed skin over the tube. There is no painting except for the nose cone. The fin overlays are made with a rounded leading edge. You can get the whole story on my Model Rocket Building Blog at: http://modelrocketbuilding.blogspot...ailable_25.html Download your free PDF at Wayne Hill's Rocketry Blog at: http://rocketry.wordpress.com/ultim...partial-builds/ Scroll all the way down to the bottom for the Mini Bertha.
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Hans "Chris" Michielssen Old/New NAR # 19086 SR www.oddlrockets.com www.modelrocketbuilding.blogspot.com http://www.nar.org/educational-reso...ing-techniques/ Your results may vary "Nose cones roll, be careful with that." Every spaceman needs a ray gun. Look out - I'm the Meister Shyster! |
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