ÀÓ¹«Áß·®(mission weight)¿¡ °üÇÑ ¾ê±â ¹× ±âŸ »çÇ×...

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coin´ÔÀÇ ´ñ±ÛÀ» Àо´Ï ÀÓ¹«Áß·®°ú ÃÖ´ëÀÌ·úÁß·®ÀÇ Â÷ÀÌ°¡ ¾øÀ¸¸é ºñÇ༺´É¿¡ ¹®Á¦°¡ ÀÖ´Ù´Â ½ÄÀ¸·Î
ÆÇ´ÜÀ» ÇϽô °Í °°Àºµ¥, ÀÌ·¯ÇÑ °ÍÀ¸·Î ±× Ç×°ø±âÀÇ ºñÇ༺´É(?)À» ÆÇ´ÜÇÏ´Â °ÍÀº »ç½Ç°ú´Â ´Ù¸¥ °á°ú¿¡
´Ù´Ù¸¦¼ö ÀÖÀ¸´Ï Á¶½ÉÇÏ¼Å¾ß ÇÕ´Ï´Ù.

¸ÕÀú ÀÓ¹«Áß·®ÀÇ Àǹ̿¡ ´ëÇؼ­ »ìÆ캾½Ã´Ù.

ÀÓ¹« Áß·®, mission weightÀº typical mission weight, mission take-off weight ȤÀº
(typical) mission gross weightÀ̶ó°íµµ ÇÏ´Â µî »ó´çÈ÷ ´Ù¾çÇÏ°Ô Ç¥±â°¡ µÇ³ª ±×°ÍÀÌ ³»Æ÷ÇÏ°í ÀÖ´Â
Àǹ̴ µ¿ÀÏÇÏ´Ù°í º¸¸é µË´Ï´Ù.

ÀÌÁ¦ ¿¹¸¦ µé¾î Àǹ̸¦ »ìÆ캾½Ã´Ù. Ç×°ø±âÀÇ ROC¿¡ ¾î¶² Áß¿äÇÑ ÀÓ¹«°¡ ¸í½ÃµÇ¾î ÀÖ°í, ÀÌ ÀÓ¹«¼öÇà ½Ã
ÀÌ·úÁß·®ÀÌ Áß¿äÇÏ´Ù°í ÆÇ´ÜÀÌ µÆÀ» ¶§ Á¦Àۻ翡¼­ Ç¥±â¸¦ Çϴµ¥ ¸ðµç Ç×°ø±â Á¦Àۻ簡 ´Ù ÀÌ ·êÀ» µû¸£´Â
°ÍÀº ¾Æ´Õ´Ï´Ù. UH-60A/LÀÇ Á¦ÀÛ»çÀÎ Sikorsky¿¡¼­´Â Ç¥±â¸¦ ÇÏÁö¸¸ Westland³ª Agusta ȤÀº
Eurocopterµî¿¡¼­´Â ÀÌ·¯ÇÑ Ç¥±â¸¦ °ÅÀÇ ¾È ÇÏ´Â °ÍÀ¸·Î º¸ÀÔ´Ï´Ù. °á±¹ ÀÌ´Â Á¦ÀÛ»çÀÇ ¸¶À½À̶ó´Â °ÍÀÌÁö¿ä.

±×·³ Sikorsky¿¡¼­ mission weightÀ» Ç¥±âÇÏ´Â ÀÌÀ¯¸¦ ±»ÀÌ µéÀÚ¸é ÀÌ Ç×°ø±â °³¹ß ½Ã¿¡ °¡Àå Áß¿äÇÑ ÀÓ¹«·Î
(½Â¹«¿ø3¸í°ú) 11¸íÀÇ ¿ÏÀü ¹«ÀåÇÑ ºÐ´ëº´·ÂÀ» ÀüÀå¿¡¼­ À̵¿ÇÏ´Â °ÍÀÌ ¿ä±¸µÇ¾ú±â ¶§¹®ÀÏ °Ì´Ï´Ù.

±×·³ UH-60AÀÇ mission weightÀ» Çѹø ÂÉ°³º¾½Ã´Ù.

(1) Empty weight : 11,284ÆÄ¿îµå
(2) ž½Â¿ø weight : 1Àδç 235ÆÄ¿îµå·Î °¡Á¤ -> 235X14 = 3,290ÆÄ¿îµå
(3) Fuel weight : 360 US gallon -> 360X6.69 = 2,408ÆÄ¿îµå
(4) Total weight = 11,284 + 3,290 + 2,408 = 16,982ÆÄ¿îµå°¡ µË´Ï´Ù.

Empty weightÀÌ operating empty weightÀÎÁö ¾Æ´Ô basic empty weightÀÎÁö ±¸ºÐÀÌ µÇ¾î ÀÖÁö ¾Ê¾Æ
½Â¹«¿øÀ» Á¦¿ÜÇÑ operating empty weightÀ¸·Î °¡Á¤À» ÇÏ¿´°í, ÀÚü ¹«ÀåÀ̳ª ¿É¼ÇÀåºñµéÀ» °í·Á¸¦
ÇÏÁö ¾Ê¾ÒÁö¸¸, ȸ»ç Ä«Å»·Î±×¿¡¼­´Â mission weight¸¦ 16,994ÆÄ¿îµå¶ó°í Ç¥±â¸¦ ÇÏ´Ï °¡Á¤À» Æ÷ÇÔÇÑ
°è»êÀÌ ±×´ÙÁö Ʋ¸° °Í °°Áö´Â ¾Ê½À´Ï´Ù.

±×·³ À̹ø¿£ EurocopterÀÇ AS532ALÀÇ weightÀ» Çѹø ÂÉ°³º¾½Ã´Ù.

(1) Empty weight : 10,160ÆÄ¿îµå(Engine oil & unusable fuelÆ÷ÇÔ)
(2) Operating empty weight : 18 crashworthy seat (322ÆÄ¿îµå) + 7.62mm ±â°üÃÑ installation(163ÆÄ¿îµå)
+ ±âŸ ¿É¼ÇÀåºñ ¾à 400ÆÄ¿îµå¸¦ Æ÷ÇÔÇÏ¿© 11,045ÆÄ¿îµå
(3) ž½Â¿ø weight : 1Àδç 235ÆÄ¿îµå·Î °¡Á¤ -> 235X14 = 3,290ÆÄ¿îµå (UH-60A¿Í µ¿ÀÏ Á¶°Ç °¡Á¤)
(4) Fuel weight : 360 US gallon -> 360X6.69 = 2,408ÆÄ¿îµå
(ÃÖ´ë 520 US gallonÀ̳ª UH-60A¿Í µ¿ÀÏ Á¶°Ç °¡Á¤)
(5) Total weight = 11,045 + 3,290 + 2,408 = 16,743ÆÄ¿îµå°¡ µË´Ï´Ù.

ÃÖ´ëÇÑ À¯»çÇÑ Á¶°ÇÀ» Àû¿ëÇϴϱî UH-60A¿Í ¸Å¿ì ºñ½ÁÇÑ ÀÌ·úÁß·®ÀÌ ³ª¿Ô½À´Ï´Ù.
¸¸¾à Eurocopter¿¡¼­ ¾î¶² ÀüÇüÀûÀÎ missionÀ» À§¿Í °°ÀÌ Á¤Çß´Ù¸é, µÎ Çï±âÀÇ mission weightÀº ¸Å¿ì
À¯»çÇÏ°Ô Ç¥±â°¡ µÇ¾úÀ» °Ì´Ï´Ù.

ÀÌ·± °ÍÀ» »ìÆì º¸¸é ´ÜÁö ȸ»ç°¡ Á¦°øÇÏ´Â mission weightÀ̶ó´Â ¼ýÀÚ°¡ ¾ø´Ù°í ÀÌ°ÍÀ» ¾î¶² ¼º´ÉÁöÇ¥ÀÇ
±âÁØÀ¸·Î »ï°Å³ª mission weight°ú max. take-off weightÀÇ Â÷ÀÌ°¡ Å©´Ù°í ±× Â÷À̸¸Å­ ¼¼±ÝÀ» ³¶ºñÇÏ´Â °Í
¾Æ´Ï³Ä´Â ÀÌ»óÇÑ ¿ÀÇظ¦ ÇÏ¸é ¾È µÈ´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ½À´Ï´Ù.

±×·³ Çï±â¼º´ÉµéÀ» ºñ±³Çϱâ À§Çؼ±¡¦

¿ª½Ã Á¦ÀÏ ÁÁÀº °ÍÀº ÇØ´ç Çï±âÀÇ flight manualÀ» °¡Áö°í °°Àº Á¶°ÇÀ¸·Î ºñ±³ÇÑ´Ù ÀÌÁÒ.
ÀÌ°ÍÀÌ ¾øÀ¸¸é ȸ»ç¿¡¼­ Á¦°øÇÏ´Â Ä«Å»·Î±×¿¡ ÀÖ´Â Á¤º¸¸¦ ÀÌ¿ëÇÕ´Ï´Ù. Sikorsky ȸ»ç »çÀÌÆ®¿¡¼­ ´Ù¿î¹ÞÀ»
¼ö ÀÖ´Â ÀÚ·áµéÀº Áß·®¿¡ ´ëÇÑ break downÀÌ Àß µÇ¾î ÀÖÁö ¾Ê¾Æ »ó¼¼ ºñ±³ ½Ã¿¡´Â Á» °ï¶õÇÒ °ÍÀ¸·Î
º¸ÀÌÁö¸¸, EurocopterÀÇ ÀÚ·á´Â ÀÌ Ç׸ñÀÌ Àß ±¸ºÐÀÌ µÇ¾î ÀÖ½À´Ï´Ù.

ȤÀº ÀÌ·¯ÀÌ·¯ÇÑ Çï±âÀÇ Áß·®, »çÀÌÁî, ¿£Áø Ãâ·Â µîÀÌ ¼³°è Æ®·»µå¿¡ ¹þ¾î³ªÁö´Â ¾Ê¾Ò´ÂÁö ´ë·«ÀûÀ¸·Î
»ìÆ캸±â À§Çؼ±, ´ÙÀ½°ú °°Àº ÆĶó¸ÞÅ͸¦ È®ÀÎÇØ º¸½Ã¸é µË´Ï´Ù.

(1) Disc loading (DL) : take-off weight / rotor area ºñÀ²·Î½á lb/ft^2·Î Ç¥±âµË´Ï´Ù.
(2) Power loading (PL) : take-off weight( = required thrust) / engine hp -> lb/hp·Î Ç¥±âÇÏÁÒ.

À§ÀÇ µÎ °ü°è´Â ¹Ýºñ·Ê°ü°è¿¡ Àִµ¥, DLÀÌ Ä¿Áö¸é PLÀº ÀÛ¾ÆÁöÁÒ.
±×·¯¹Ç·Î DLÀÌ ÀÛÀº rotor´Â ¿ä±¸µÇ´Â ´ÜÀ§ Ãß·Â´ç ¸¶·ÂÀÌ ÀÛ¾ÆÁö°Ô µÇ¸ç ´õ ÁÁÀº È¿À²À» °¡Áö°Ô µË´Ï´Ù.

°£´ÜÈ÷ À§ÀÇ ¾ê±â¸¦ Á¤¸®ÇÏÀÚ¸é, rotor¸éÀûÀÌ Å©¸é (hovering½Ã¿¡ Çï±âÀÇ Áß·®°ú µ¿ÀÏÇÑ) Ãß·ÂÀ» ¸¸µé±â À§ÇØ
ÀûÀº ¸¶·Â°ú ¿¬·á°¡ ÇÊ¿äÇÏ°Ô µÈ´Ù´Â °ÍÀÌÁÒ. ÀÌ·¯ÇÑ ÀÌÀ¯·Î ÀÎÇÏ¿© Çï±âº¸´Ù (rotor¸éÀûÀÌ »ó´ëÀûÀ¸·Î ÀÛÀº)
V-22°°Àº tilt rotor°¡ Çʿ丶·ÂÀÌ ´õ ÇÊ¿äÇÏ°Ô µÇ´Â °Ì´Ï´Ù.

±×·³, ¸¶Áö¸·À¸·Î ¸î °¡Áö Çï±âÀÇ DL°ú PLÀ» »ìÆ캸°Ú½À´Ï´Ù. ¿£Áø¸¶·ÂÀº °¡´ÉÇϸé ÀÌ·ú½Ã
±âÁØ(take-off rating)À¸·Î, Áß·®Àº max. internal load ±âÁØÀ¸·Î ÇÏ°Ú½À´Ï´Ù.

EC155B1 – Rotor area : 1,342.1ft^2, Max. Take-off weight : 10,846lbs, Engine (Arriel 2C2) : 935hp
DL : 8.08 lb/ft^2, PL : 5.8 lb/hp
AB139 – Rotor area : 1,610ft^2, Max. Take-off weight : 13,227lbs, Engine (PT6C-67C) : 1,679hp
DL : 8.22 lb/ft^2, PL : 3.94 lb/hp
UH-60A – Rotor area : 2,262ft^2, Max. Take-off weight : 20,250lbs, Engine (T700-GE700) : 1,560hp
DL : 8.95 lb/ft^2, PL : 6.49 lb/hp
UH-60L – Rotor area : 2,262ft^2, Max. Take-off weight : 22,000lbs, Engine (T700-GE701C) : 1,940hp
DL : 9.73 lb/ft^2, PL : 5.67 lb/hp
AS-532AL - Rotor area : 2057.4ft^2, Max. Take-off weight : 19,840lbs, Engine (Makila 1A1) : 1,819hp
DL : 9.64 lb/ft^2, PL : 5.45 lb/hp
EC725 - Rotor area : 2218.7ft^2, Max. Take-off weight : 24,250lbs, Engine (Makila 2A) : 2,100hp
DL : 10.93 lb/ft^2, PL : 5.78 lb/hp
H-92 - Rotor area : 2,492.4ft^2, Max. Take-off weight : 28,650lbs, Engine (CT7-8) : 2,400hp
DL : 11.49 lb/ft^2, PL : 5.97 lb/hp
EH101utility- Rotor area : 2922.5ft^2, Max. Take-off weight : 32,187lbs, Engine (RTM322) : 2,270hp
DL : 11.01 lb/ft^2, PL : 4.73 lb/hp
V-22- Rotor area : 2268ft^2, Max. Take-off weight : 52,600lbs, Engine (AE1107C) : 6,150hp
DL : 23.19 lb/ft^2, PL : 4.28 lb/hp
Mi-26 - Rotor area : 8656.8ft^2, Max. Take-off weight : 123,450lbs, Engine (D-136) : 11,399hp
DL : 14.26 lb/ft^2, PL : 5.41 lb/hp


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