Jan 2012: New year, new thread! We are now 40 years out from the first run of the Mchenry Spiral Jump stun at the Houston Astrodome.
From Popular Mechanics online see:
Popular Mechanics on the McHenry Astro Spiral Stunt.
Here are the other links on our site about the McHenry Spiral Jump
News, notes, questions on the McHenry invented James Bond Astro Spiral Jump Stunt
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