Retired Aerospace Engineer and Backyard Roller Coaster Researcher

Dreadnought
How did you find PF?
YouTube meandering
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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Physics news on Phys.org
Welcome to PF Paul, it's good to have you here. :smile:
 
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Welcome to PF.
 
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Hello, I’m joining from Turkey and I’m 28 years old. I discovered my interest in science through a YouTube video (@Veritasium) , and everything I’ve learned since then excites me so much that I feel like a child wanting to share every new piece of knowledge with those around me. Although I don’t yet have full mastery of mathematical formulas or physical laws, my passion for learning constantly drives me to explore and understand more. No matter how complex the world of science may be, my...
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