When power is removed linear actuator will hold its position. However, if a force large enough to overcome the internal friction is applied, the actuator will back drive. Here is an ultra-simple ...

Built mainly from carbon fiber tubing and 3D-printed parts, the actuators have about 30 centimeters of throw, and thanks to their cable-drive design, they’re pretty fast — much faster than his ...

That’s one wonkalated linear actuator! Report comment. Reply. N0LKK says: April 22, 2012 at 9:42 pm Unless there’s a dog staying unattended as well, why bother?