ErikMM

TrailACT

The old jump design page on Trailism started as a rough calculator I uploaded back in 2014. It worked, but it never grew into what I actually wanted: something that treated trail features as a real physics problem instead of a back-of-the-napkin sketch. That tool finally exists, and it has its own home now: TrailACT

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Jump Calculator Temporarily Down

I had an issue with the plugin running the jump calculator. I really don’t know when it failed, but the plugin wrecked the site for a minute. 2026 is the 10 year anniversary of the Jump Calculator! Though it began in 2014/15, 2016 it went live: AND thank goodness for the WAY BACK MACHINE: https://web.archive.org/web/20160319230759/http://trailism.com/trail-science/jump-design/

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RIP Roger Bell

In 1987 Roger Bell was way ahead of the trail building curve with a handful of other trail contractors when he started Bellfree Contractors with two of his brothers and some nephews. That was 10 years after the Western Trail Builders Association was founded in 76, which became the PTBA in 2004. Roger’s brother Harvey

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