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[航天航空] F117 Background

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发表于 2010-8-8 14:10:00 | 显示全部楼层 |阅读模式 来自: 中国黑龙江哈尔滨

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Heather J. Summerer
1 u! s2 y+ @1 Q+ eThe F117 Engine - Exclusive Power3 z" i5 o; @( W1 y1 o+ B
As the one and only engine to power all of the United States Air Force’s C-178 [" v, w% G& e! a. U
Globemaster IIIs, the F117 engine enjoys an earned reputation for durability,' D9 O1 x9 C3 E7 n8 B+ w9 G2 F4 t
reliability and safety. The Pratt and Whitney F117 engine is the military0 t2 K0 S! q2 V' z6 q9 F' o
equivalent of the PW2000 commercial aircraft engine; customized and% R4 |  b5 X/ A6 {
specialized for the rigors of the military mission. Whether operating out of short,/ ~" L7 \( d+ S7 w& Q8 b4 e
semi-prepared runways in support of combat operations or on humanitarian& W( Z& v3 W: b$ \0 t, N: e& N+ E2 O$ D
missions, the F117 engine has accumulated over 3 million engine flight hours.
2 v; a8 v. h0 C7 ^0 `Some days you fight terror. Some days you fight hunger. The F117 engine does4 _" u2 b1 U5 Q" t. x( t
both.- N+ `3 f: r  W9 y' p" I
The F117 engine is always ready to go and the Pratt & Whitney Aftermarket1 u$ y+ h/ j% k
Services Team is ready too. The Aftermarket team provides continual on-wing6 V) H. P: Z  y& B2 m$ _6 V# W
material and operational support, off-wing engine overhaul and repair, and all the
9 m9 |' L0 j5 ]" Z: {1 L1 P5 knecessary engineering support services." [, R' Y9 t' o2 r0 v5 Z
The F117 engine powering the C-17 Globemaster III has set records and won
( ]( `7 q6 e6 h5 M6 }* C5 r. ?awards. During qualification testing, the F117 powered C-17 set 22 world5 d& M0 W, I# z1 X+ I1 v
records. As a direct result of Pratt and Whitney’s historical and comprehensive, P2 k0 G8 A# i# Z
understanding of the engine as the original manufacturer, the F117 engine
7 I8 H* \% ^, s$ `; B( e; Aprogram boasts an award-winning fleet management program, receiving Aviation, s* x# \! C8 L$ A2 x6 k, z( N' g* z& s( X
Week’s Charles B. Ryan MRO Innovation Award for Innovative Business) A( Y+ h/ I! `2 l; T: u
Solutions in 2002. The fleet management team meets the challenges of C-17
4 L2 b% ]0 b# @0 ]Globemaster III by providing a high quality integrated support solution which# G1 l% e, W) I
optimizes engine time on wing for our customer and provides a total systems
1 i* t8 `; e# y% U* m3 eapproach to forecasting, maintenance and aftermarket support.
' ]% U* r  z/ z$ gWith its solid foundation for outstanding performance, today’s F117 engine has
, x2 Z) i( Z2 D+ H0 veasily adapted to today’s military engine needs. The F117 engine uses technical/ p) f* G/ M% X! w+ p/ K- ~& @) H) t
and material advancements such as second-generation single-crystal turbine; b5 F9 r. N( Z; Z3 o- _* y! M
materials and improved cooling management and thermal barrier coatings to) [& Y) m" ^* o
lower metal surface temperatures. Paired with higher operational performance,6 S6 P  ^- X9 X0 M' Z7 ~
lower fuel burn and improved maintenance diagnostics, the F117 engine is a9 [, ?) |( u: m! Y/ a; f: d7 N, ~7 L
perfect complement to its commercial counterpart as the world’s leading
8 f: ]! r; O9 l; ~% y$ X# cmidrange-thrust engine.
发表于 2010-8-8 15:31:02 | 显示全部楼层 来自: 中国台湾
本帖最后由 hottee2009 于 2010-8-8 21:08 编辑
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" N% Y, ?# s3 Y, l英文看的有点累!!
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