Originally Posted by
Zlinguy
Are you positive about the 767 having dual jacks? I'm pretty sure there's only one screwjack ( although there might be concentric load path redundancy in the event of a failure) with dual hydraulic motors/brakes. It's been a few years since I've flown it, though...
Correct. The 767 only has one ballscrew. However, it does use two hydraulic motors which drive the single ballscrew through a differential gearbox.