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Reverser Deployment Mecanisam  
User currently offlineTrent_800 From United Kingdom, joined Jan 2002, 136 posts, RR: 0
Posted (14 years 2 months 1 week 5 days 22 hours ago) and read 1612 times:

What moves the cowling back on reverse thrust deployment? Is it moved by hydraulic rams, pneumatic pistons or is it on a screw jack (like flaps)?

2 replies: All unread, jump to last
User currently offlineCdfmxtech From United States of America, joined Jul 2000, 1341 posts, RR: 24
Reply 1, posted (14 years 2 months 1 week 5 days 21 hours ago) and read 1585 times:

Usually engines using Hyd TRs (RB211s used on 757s or CFMs used on 737s) use actuators while those using pneumatic TRs (Cf6s used on 767s, Dc10s) use Jackscrews driven by Flex Shafts.

User currently offlineVC-10 From United Kingdom, joined Oct 1999, 3727 posts, RR: 32
Reply 2, posted (14 years 2 months 1 week 5 days 21 hours ago) and read 1580 times:
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RR Spey & Conway - Pneumatic

P & W JT3D - Pneumatic

CF6, JT9D, RB211-524 - Screwshafts driven by pneumatic motors

CFM56, RR Trent 500 & RB211-535 - Hyd rams

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