Wayne Hill's Rocketry Blog 
Wayne Hill's Blog Posts
Rocketry Product: Estes - Gyroc {Kit} (24) [1965-1983]
Flight of the MegaGyroc (2016-04-12)
I have always been a fan of the Gyroc. If you see me at a launch at some point in the day I was likely to fly one. Back in the first year of this blog I wrote a post ... [Read More]
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