Aerodynamic Buffeting of Adjacent Vehicles

Trucking in Tennessee · Mar 19, 2019

Infosaur said: ↑

I always wonder why when some trucks pass me my truck will shake, other times larger or faster trucks have no effect.
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Volvos are very clean..rarely an aero push. Others not so good.

camionneur · Mar 25, 2019

There's a study on Vehicle Response to Aerodynamic Loads (1988), along with others in a related topic here.

Also, there's a Review of Aerodynamic Drag Reduction Devices for Heavy Trucks and Buses, which includes a section on Management of airflow around the tractor-trailer gap.

HoneyBadger67 · Apr 22, 2019

camionneur said: ↑

Height - and Heightened Safety Considerations

Smaller vehicles can be pushed or pulled under a commercial vehicle with high ground clearance.

Large vehicles generate wind gusts that can push smaller vehicles into other lanes.

Tall vehicles have a higher center of gravity, roll over more easily than smaller vehicles and must go much slower on curves and ramps.

Trucks roll over more easily in high winds. Rolling between two trucks could be more risky too.
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I love the tough guys who feel the need to run *right on* the ###### zipper. Maybe I'm a chicken, but when I'm on the bike I try not to get anywhere near another vehicle.

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