art & engineering
Garage Door Opener
Problem: Gate closing garage door actuators are expensive
 
Solution: Build a linkage and drive it from a standard garage door opener.
 
Materials:
- Cheap garage door opener (~$135)
- 2x 2x2 salt-treated drive linkages
- 4x turn-buckles
- 4x machine-thread eye bolts
- 4x studs (lag to machine-thread)
- 2x blocks attached to inside of door
- 2x lags to attach door-link eye-bolts to door block
- 1x bolt and 1x nut to attach linkage to opener drive
 
Total < $160
Linkage attachment to door opener
Linkage attachment to door
the walls between art and engineering exist only in our minds