Backyard roller coaster

A retired aerospace engineer has spent the past two years designing and building roller coasters in his backyard for his grandchildren.

Every now and then we come across homemade roller coasters designed by amateurs and built in their own backyards. While we appreciate the effort and creativity that goes into building one, most look poorly made and are of questionable safety. That is until we discovered Paul Gregg, a retired aerospace engineer who holds 29 US and foreign patents, two special invention awards, and was Boeing Aerospace Engineer of the Year in 1988. Paul uses his engineering skills to design and test his…

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Most people would say being a parent is like riding a roller coaster – there’s the ups and downs and all arounds. Well, for my Dad, his roller coaster isn’t a metaphor; it’s a literal one. A physical adult-sized one. Bolts and all. And he built it in his backyard.

This is definitely on my bucket list for when I buy a house.

Do you prefer the slower rides in the theme park? Then you will love being in control of one of these human powered rollercoasters that go at your speed.

In the two years since Paul Gregg retired, he’s picked up an unusual hobby: designing and building roller coasters in his backyard.

Will Pemble from San Francisco spent around $3,500 on building materials and grafted for more than 300 hours on the amazing project.

Every now and then we come across homemade roller coasters designed by amateurs and built in their own backyards. While we appreciate the effort and creativity that goes into building one, most look poorly made and are of questionable safety. That is until we discovered Paul Gregg, a retired aerospace engineer who holds 29 US and foreign patents, two special invention awards, and was Boeing Aerospace Engineer of the Year in 1988. Paul uses his engineering skills to design and test his…