Retired Aerospace Engineer and Backyard Roller Coaster Researcher

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Dreadnought
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Paul Gregg - BSME 1980 UofUtah
Boeing Associate Technical Fellow

Research and Development of:
New Materials and Processes
carbon fiber composites, titanium, chopped fiber composites, metal matrix composites
Joining Processes:
adhesive bonding, diffusion bonding, welding
Structural Architectures:
Honeycomb sandwich, trusscore, isogrid, corrugation, hat-stiffened
Aerospace Products:
space, military, and commercial aerospace programs
Some dynamics (impact and vibration), thermal stresses

Retired in 1979, and began R&D of safe, inexpensive backyard roller coasters. I've built four.



https://www.coaster101.com/2016/07/26/designing-safe-backyard-roller-coaster-paul-gregg/

I wrote two books on my BYRC development, and developed a high school STEM course on the engineering, physics and math of roller coasters.
I've also been helping teach physics at two local high schools, so I've been reviewing energy, Newton's laws, and centripetal acceleration. I'm also involved in helping students prepare for the annual Physics Day at Silverwood, a nearby amusement park.
 
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Welcome to PF Paul, it's good to have you here. :smile:
 
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Welcome to PF.
 
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