PPRuNe Forums - View Single Post - MAX’s Return Delayed by FAA Reevaluation of 737 Safety Procedures
Old 10th Jul 2019, 13:41
  #1298 (permalink)  
walkon19
 
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Originally Posted by aliwyatt
Is item 1 in the list above limited to the max or all 737s?
IMHO most probably includes the NG .A previous post a long time ago from an involved at the time engineer mention ed that the MAX trim wheel was smaller in diameter by a few inches and had to have a damper added to avoid springback. and that on a test bed- mockup, a well conditioned female pilot could barely turn the wheel. Much earlier - months ago- another pilot posted it was near impossible on the NG to turn wheel under real conditions- and over a decade ago at a reasonable flight speed- he manual explained ho to use the roller coaster or yo yo game to reduce loads if plane was much out of trim when switched to manual. Then that method was discarded and never mentioned for the last decade or so. Works ( yo yo ) IF one has several thousand feet of altitude AGL- otherwise vertical parking result
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