Jackscrew information

A jackscrew, or screw jack, is a type of jack that is operated by turning a leadscrew. It is commonly used to lift moderate and heavy weights, such as...

resulting from the in-flight failure of the horizontal stabilizer trim system jackscrew assembly's Acme nut threads." For their efforts to save the plane, both...

on the elevator create an opposing force, effectively paralyzing the jackscrew mechanism that moves the stabilizer. It becomes very difficult for pilots...

deadliest aviation accident in Belarus. The cause was a failure of the jackscrew controlling the horizontal stabilizer due to a design flaw. The Yakovlev...

project raised much of central Chicago to a new grade with the use of jackscrews for raising buildings. While elevating Chicago, and at first improving...

low-lying swampy ground. Buildings and sidewalks were physically raised on jackscrews. The work was funded by private property owners and public funds. During...

all 88 on board. The stabilizer failed due to an improperly maintained jackscrew assembly. Note: This crash is covered again in the Season 22 episode 'Pacific...

depressing a zig-zag setback device and the wind stream forces unscrewing a jackscrew locking device. This delay in mechanical arming after two independent...

centered around each mounting hole on ATX motherboards. Pairs of #4-40 UNC jackscrews are used to fasten certain connectors to hardware ports. These fasteners...

presses) may operate by means of the mechanical advantage supplied by a jackscrew or by a gear reduction driving a rack and pinion. The amount of force...

armor-piercing bomb. The elevator was operated with an electrically powered jackscrew as the only proportional control, while the ailerons were operated with...

climb at takeoff speed, its roll instability, the position of the flap's jackscrews in the fully retracted position,: 58  and the absence of sounds indicating...

operating Lion Air Flight 610 had suffered from. Investigators discovered the jackscrew that controlled the pitch angle of the horizontal stabilizer of Flight...

It is a telescopic tubular steel prop, used as a temporary support. A jackscrew is similar but not as long and not telescopic. Outside the UK an Acrow...

thread profile, used in high load applications such as leadscrews and jackscrews. It gets its name from the square cross-section of the thread. It is the...

and data equipment Jack (device), a device used to lift heavy objects Jackscrew, a device used to support heavy objects at various heights Pallet jack...

adjustable stabilizer trim system is powered by an electrically operated jackscrew. One example of an airliner with a genuine stabilator used for flight...

{\displaystyle C} = 27.2 for both ends fixed Ball screw Fine adjustment screw Jackscrew Ball Screws & Lead screws, retrieved 2008-12-16. Bhandari, p. 202. Shigley...

have suffered from the same problem as Lion Air Flight 610 in that the jackscrew controlling the pitch of the horizontal stabilizer of the crashed Flight...

crossed the Kaltag Portage west to the coast. Athabascan Jack Nicolai, aka "Jackscrew", took it up the first half of the portage to Old Woman Cabin and Victor...

severely damaged the horizontal stabilizer mechanism, including breaking its jackscrew, rendering the airplane uncontrollable and resulting in the abnormal pitch-up...

one directionPages displaying short descriptions of redirect targets Jackscrew – Mechanical lifting device operated by turning a leadscrew Leadscrew –...

(6 bolts vs. 8 bolts) and main bearing caps (2 bolt fasteners with 2 jackscrews vs. 2 bolt fasteners with dowel pins). Vehicles equipped with the 16-valve...