AD­VANCES IN DE­SIGN

History of War - - OPERATOR’S HANDBOOK -

The most re­cent high-pro­duc­tion vari­ant of Chi­nook is the CH47F. Equipped with a re­designed mod­ernised air­frame, Com­mon Avion­ics Ar­chi­tec­ture Sys­tem (CAAS) cock­pit that im­proves crew sit­u­a­tional aware­ness and the Dig­i­tal Au­to­matic Flight Con­trol Sys­tem (DAFCS), which of­fers en­hanced flight-con­trol ca­pa­bil­i­ties for the mul­ti­tude of con­di­tions in which the he­li­copter is used, quicker pi­lot de­ci­sions and more ac­cu­rate han­dling can be achieved. A re­con­fig­ured cabin can be cus­tomised with troop seats, lit­ters or aux­il­iary fuel for any mis­sion. Triple cargo hooks and a broad cen­tre of grav­ity range make for flex­i­ble load lift­ing. Mounts for fast rop­ing, skis, res­cue hoist and three gun po­si­tions make the lat­est CH-47FS highly ver­sa­tile.

“QUICKER PI­LOT DE­CI­SIONS AND MORE AC­CU­RATE HAN­DLING CAN BE ACHIEVED”

Sin­gle ro­tor heli­copters re­quire a torque reg­u­lat­ing ver­ti­cal ro­tor, such as a tail ro­tor, to coun­ter­act the yaw­ing move­ment pro­duced by the sin­gle large ro­tor. The Chi­nook’s counter-ro­tat­ing tan­dem ro­tors elim­i­nate this re­quire­ment, re­leas­ing most of the power for lift and thrust and avoid­ing other tail ro­tor is­sues. A small per­cent­age of power is lost due to the trans­mis­sion com­plex­ity and the over­lap­ping ro­tors A night view of a US Army CH-47 A US Army CH-47 in Botswana. CH-47S have been used ex­ten­sively in mul­ti­ple the­atres and con­di­tions

A crew­man, who is re­spon­si­ble for ef­fi­cient and safe load­ing and un­load­ing, looks out from the rear cabin

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