Wednesday 16th April 2014,
FULL CIRCLE V-TWIN

Original Sonic Weld frame from Gary Nixon gets a new life..!

Full Circle V-Twin August 19, 2013 Uncategorized No Comments
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Once in a while the chance to work on a piece history, comes in to our shop.  This time it was a little local racing history.  This frame is a 60′s era Triumph 500 dirt track frame manufactured by Ray Hensley & Neal Keen under the name Sonic Weld, one of the early companies to manufacture light weight cro-moly dirt track frames.  At some point Triumph racer Gary Nixon was selling/dealing Sonic Weld frames out of his Cockeysville MD shop.  Meanwhile, in Cumberland MD their was a Triumph dealership owned by the Hemus family.  Hemus was a AMA pro hill climb racer riding Triumph’s. Hemus built a relationship with Nixon and would by many race engine parts from him as Nixon had all the best stuff.  At some point Hemus bought a pair of these new Sonic Weld frames from Nixon.  Dirt track frames are generally a short wheel base compared to a hill climber. Hemus took the frames, cut the rear sections and lengthened them by about 10″ to help his hill climbing bikes take on the steepest hills.  Fast forward to 2013.  Hemus’s son Joe an Triumph motorcycle restore’r pulled the frame you see pictured out of the family basement and contacted us to discuss putting the frame back to its original configuration so he could build a period correct flat tracker that will use a 750cc race engine.  Sonic Weld frames were manufactured for only a few years, Ray Hensley went own to start Trackmaster Racing Frames and Neal Keen started Neal Keen Performance and work for the Factory Yamaha Flat Track team.

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