Re: Units of Measurement Error? - Saab General Bulletin Board - Saabnet.com
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The callout for the bearing ID is 1.125 inches or a 18 sized Boeing standard. I've worked in and around the aircraft bearing business since 1978, and this is the one and only time I've found a 18 sized bearing. A Gulfstream GIV has a .500 inch inside diameter spoiler pivot bearing, and the aileron pivots are about the same. Now, for a aircraft like F-22, there is a -24 sized bearing ID for the flaperon, so being a bigger airframe, that makes sense. But, the -18 size is something.....well, maybe a Saab thing.....I don't have any data on any other Saab jets, except the LANDJET.
Record certification Speedweek 2016 with Speed Demon
JAS 39E Gripen Swedish Jet, stopsaabn , Thu, 21 Jan 2021 07:27:182
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