Interesting little experiment into aerodynamics using an old snowboard. This folksy research won’t hold up to much scientific scrutiny but the basic principles are sound. Attach an old snowboard to your roof to create a ramp for air to pass more easily over the front edge of your boxy trailer and increase fuel efficiency (you see big rigs on the road with similar roof kits and you don’t even notice them). Jury is out on how effective the rooftop snowboard setup is but we truly appreciate the ingenuity of this garage tinkerer:
Can A Snowboard Really Improve Gas Mileage While Towing?
