American Physical Security Group's SW12 wedge barrier
DNTV 5/25/2011 6 comments Truck stopper: American Physical Security Group's SW12 wedge barrier can stop a 15,000-lb truck travelling at 50 mph. The 6,000-lb barrier can be raised in approximately one second by an electric servo actuator from Moog Industrial Controls.
Californiaís plan to mandate an electric vehicle market isnít the first such undertaking and certainly wonít be the last. But as the Golden State ratchets up for its next big step toward zero-emission vehicle status in 2018, it might be wise to consider a bit of history.