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searching for Jackscrew 22 found (59 total)

alternate case: jackscrew

List of palatal expanders (1,586 words) [view diff] exact match in snippet view article find links to article

that is in contact with palatal mucosa. Inside the acrylic there is a jackscrew that is embedded for patients to make turns to expand the device. In addition

M734 fuze (2,017 words) [view diff] exact match in snippet view article find links to article

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

1925 serum run to Nome (5,787 words) [view diff] exact match in snippet view article find links to article

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

Palatal expansion (1,852 words) [view diff] exact match in snippet view article find links to article

times which amounts of 1mm per week. Patient is instructed to turn the jackscrew at the same rate for next 8–10 weeks to achieve the desired expansion

Ethiopian Airlines Flight 302 (6,864 words) [view diff] exact match in snippet view article find links to article

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

Rider R-5 (356 words) [view diff] exact match in snippet view article find links to article

are all-metal. The brakeless retractable main gear used a simple manual jackscrew. A tailskid was used rather than a tailwheel. 1936 National Air Races

Paul Schmitt P.S.3 (519 words) [view diff] exact match in snippet view article find links to article

wing was attached to the fuselage by a single pivot, and controlled by a jackscrew in the cockpit. This allowed for an unusually broad speed range, so that

Yakovlev Yak-42 (2,251 words) [view diff] exact match in snippet view article find links to article

Soviet Socialist Republic following a failure of the horizontal stabilizer jackscrew due to fatigue caused by design flaws, killing all 132 on board. All Yak-42s

McDonnell Douglas MD-80 (11,532 words) [view diff] exact match in snippet view article find links to article

were killed. Following the crash, an improperly maintained Acme nut and jackscrew recovered from the aircraft were found to be excessively worn. An airworthiness

Alaska Airlines (9,334 words) [view diff] exact match in snippet view article find links to article

of the jackscrew assembly for the horizontal stabilizer's trim system. The failure happened because of insufficient lubrication of the jackscrew assembly

1977 Dan-Air Boeing 707 crash (1,214 words) [view diff] exact match in snippet view article find links to article

failure of the stabilizer was violent enough to fracture the vertical trim jackscrew, which would have resulted in the remaining horizontal stabilizer pitching

Variable compression ratio (1,293 words) [view diff] exact match in snippet view article find links to article

head and sleeve, whose distance from the crankshaft was adjusted by a jackscrew operated by cables from a twist grip on the handlebar. Compression adjustment

List of aircraft structural failures (406 words) [view diff] exact match in snippet view article find links to article

beyond safe limit 88 Lack of lubrication causing structural failure of the jackscrew on the horizontal stabiliser resulting in aircraft descending inverted

Aircraft upset (2,566 words) [view diff] exact match in snippet view article find links to article

G-load on the plane, resulting in binding of the horizontal stabilizer jackscrew, such that it remained in a full trimmed down position. The plane came

Dornier Do 217 (16,978 words) [view diff] exact match in snippet view article find links to article

with rear-hinged single dorsal and ventral "petals" to deploy using a jackscrew during anticipated dive bombing missions. These features increased the

SilkAir Flight 185 (4,004 words) [view diff] exact match in snippet view article find links to article

one of the pilots. Furthermore, the investigators had found the trim jackscrew for the horizontal stabilizer, which revealed that flight inputs from

Airborne Express Flight 827 (3,077 words) [view diff] exact match in snippet view article find links to article

controls were destroyed in the crash, but the NTSB recovered two trim jackscrews horizontal stabilizer. The NTSB recreated the stall in a simulator. In

Polikarpov I-16 (6,740 words) [view diff] exact match in snippet view article find links to article

operated the rearmost strut's upper end, moved with a manually turned jackscrew running spanwise within the wing structure, to "slide" outwards and inwards

List of accidents and incidents involving commercial aircraft (55,130 words) [view diff] exact match in snippet view article find links to article

up in mid-air and crashes near Mozyr, Belarus due to a failure in the jackscrew mechanism caused by metal fatigue, killing all 132 on board in the first

2000s (42,367 words) [view diff] exact match in snippet view article find links to article

into the Pacific Ocean off the coast of California after the plane's jackscrew failed, killing all 88 on board. On July 25, 2000, Air France Flight 4590

List of accidents and incidents involving airliners by location (26,361 words) [view diff] exact match in snippet view article find links to article

serious injuries. Aeroflot Flight 8641, the Yakovlev Yak-42 suffered a jackscrew failure, causing the aircraft to lose control, disintegrate in mid-air

List of fatal accidents and incidents involving commercial aircraft in the United States (163 words) [view diff] exact match in snippet view article find links to article

MD-83 The aircraft lost pitch control when an inadequately lubricated jackscrew tore loose, causing it to crash into the ocean while preparing for an