Bopper Sled
The bopper sled was known as the “Slingshot.” It was a chair-sled on a 20′ sled-and-track decelerator bolted to a concrete floor. Elastic shock cord & a motor winch drew […]
The bopper sled was known as the “Slingshot.” It was a chair-sled on a 20′ sled-and-track decelerator bolted to a concrete floor. Elastic shock cord & a motor winch drew […]