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庞巴迪CRJ200公务机机组操作手册 Bombardier CRJ-飞行操纵(13)

时间:2011-11-27 14:07来源:蓝天飞行翻译 作者:公务机
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The flapsystemis driven byadualmotorpower drive unit. The powerdrive unitdrives the flapsthrough aseries ofdrive shafts, gearboxes andactuators. Brake andposition sensor units, mounted attheoutboardendsofeachdrive system, provide braking forasymmetric protection andprovide surface position feedbackto theFECU.
The flap selectorhasthefollowing selectable flapdetentpositions:
W 0degrees, 20degrees, 30degrees, and45degrees.
W 0degrees, 8degrees, 20degrees, 30degrees, and45degrees. <0006>
The lever quadrantfeature agateatthe20degree setting. The gatepreventsinadvertent flap selection to 0degrees during amissedapproachandprecludes VFE(flaps30)from being exceeded.To move thelever throughthegate,it mustbepusheddown (against a spring) anthenmovedforward oraft.
The lever quadrantfeatures two gates, oneatthe8degree settingand oneatthe20degree setting. The gateatthe8degree settingpreventsinadvertentflap selection to 0degrees during amissedapproach(go-
around)andthegate at20degrees, precludes VFE(flaps30) frombeing exceeded.To move thelever through agate,it mustbepusheddown (against a spring) anthenmovedforward oraft. <0006>
When aflap selection is made,theFECU releases the systembrakesand commandsthe power drive unitto deploy orretracttheflapstothe selectedposition.
NOTE
1.
An overspeed clackerwill soundiftheairspeedistoohighfor theselectedflap setting.

2.
To ensure that the correct flap position is selected for go-
around, make sure that the back face of the flap lever is pushed withoutanydownwardpressure.


If one ofthe two power drive unit motors fails,the systemwillremainfunctional, butwill operate athalf speed and aFLAPSHALFSPEED status messagewillbe displayed on the EICAS statuspageand ontheFLTCONTROLS synoptic page.
The EICASprimarypagewilldisplayflapposition in relation to landinggearposition when eitherthelandinggear orflaps are extended. Atall othertimes, thegearandflap information is removedfromtheprimarypage,butflapposition is always displayed on the FLTCONTROLS synoptic page.
Flight Crew Operating Manual  MASTER 
CSP A-
013 


 FLIGHT CONTROLS Flaps  Vol. 1  11--60--2 
REV 56, Jan 31/03 


Flap System
Figure 11---60---1

Flight Crew Operating Manual  MASTER 
CSP A-
013 


 FLIGHT CONTROLS  Vol. 1  11--60--3 

Flaps  REV 56, Jan 31/03 


GPWS FLAP OVRD Guarded Toggle Switch

GPWSFLAPOVRD -
Mutes flap
<0006>
<0006>

aural warning whenenteringthe 8
landingconfigurationwithflapsnot
inthe landing configuration.


NORM(guarded) -
Normaloperation.
Flaps Selector
To deploy flaps, move flaps selector aft to the detent positionthat corresponds to the requiredflapangle.


Flap Selection Lever Centre Pedestal
 
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