2001 – John Daily (of Jackson Hole Scientific Investigations Inc.)
This study tests 18 snowmobiles, 4 snowcoaches and 2 wheeled vehicles to determine the noise levels of each vehicle in relation to Federal Regulations.
2001 – John Daily (of Jackson Hole Scientific Investigations Inc.)
This study tests 18 snowmobiles, 4 snowcoaches and 2 wheeled vehicles to determine the noise levels of each vehicle in relation to Federal Regulations.