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äºæž¬ããããããã®åå¿ (Reddit/HackerNewsç·š) ãšçè ã®åè« ð¬
ãããã®èšäºãRedditã®r/technologyãHackerNewsã®ãããªæè¡ç³»ãã©ãŒã©ã ã«æçš¿ãããããã©ã®ãããªã³ã¡ã³ããå¯ããããã§ããããïŒããã€ãäºæž¬ããããã«å¯Ÿããçè ã®èããè¿°ã¹ãŠã¿ãŸãã
äºæž¬ãããã³ã¡ã³ãâ (Reddit颚):
User123: "Another 'China stealing IP' article? Yawn. ð They've been saying this for decades.
Boeing and Airbus are complacent monopolies anyway. Competition is good.
Maybe C919 isn't perfect ÑбОйÑа (killer - Russian word often used ironically for 'killer app/product')
of 737/A320 now, but give them 10-15 years. Remember Hyundai/Kia?"
ð€User123ããïŒããŸããäžåœã®IPçªçãèšäºãïŒéå±ã ãªãð äœå幎ãèšãããŠãããšã ãã ããŒã€ã³ã°ãšãšã¢ãã¹ã¯ã©ããèªå·±æºè¶³ãªç¬å äŒæ¥ã ããç«¶äºã¯è¯ãããšã ã C919ãä»ãã737/A320ã®å®ç§ãªãã©ãŒè£œåïŒãã·ã¢èªã§ç®èã£ãœã䜿ããã衚çŸïŒãããªããããããªããã©ã10ïœ15å¹ŽåŸ ã£ãŠã¿ããããã¥ã³ãã€/ãã¢ãæãåºãïŒã
çè ã®åè«ïŒUser123ãããã³ã¡ã³ãããããšãããããŸãïŒç¢ºãã«ãIPïŒç¥ç財ç£ïŒã«é¢ããè°è«ã¯é·å¹Žç¶ããŠããŸãããããããèªç©ºæ©ç£æ¥ã®ç¹æ®æ§ã¯ãèªåè»ç£æ¥ãªã©ãšã¯ç°ãªãåŽé¢ããããŸããç¹ã«å®å šèªèšŒã®å³ãããããµãã©ã€ãã§ãŒã³ã®è€éãã¯ãåŸçºã¡ãŒã«ãŒã«ãšã£ãŠéåžžã«é«ãå£ãšãªããŸãããã¥ã³ãã€/ãã¢ã®äŸã¯ç€ºåã«å¯ã¿ãŸãããèªç©ºæ©ã¯æ±ããããä¿¡é Œæ§ã®ã¬ãã«ãæ Œæ®µã«éããŸãããã ãç«¶äºãã€ãããŒã·ã§ã³ãä¿é²ãããšããç¹ã«ã¯å®å šã«åæããŸããããŒã€ã³ã°ãšãšã¢ãã¹ãå®éãšããŠã¯ããããªãã§ããããð
äºæž¬ãããã³ã¡ã³ãâ¡ (HackerNews颚):
HNUser_TechGeek: "Interesting analysis. The payload/range charts are quite telling.
The reliance on Western subsystems, especially engines (LEAP-1C being a possibly 'detuned' version),
is a critical vulnerability for COMAC. True self-sufficiency is still a long way off.
The geopolitical angle of FAA/EASA certification is also key.
This isn't just about engineering, it's about trust and international politics."
ð»HNUser_TechGeekããïŒãè峿·±ãåæã ããã€ããŒã/èªç¶è·é¢ã®å³ã¯éåžžã«ç€ºåã«å¯ãã§ããã æ¬§ç±³ã®ãµãã·ã¹ãã ãç¹ã«ãšã³ãžã³ïŒLEAP-1Cããããããæ§èœãèœãšããããããŒãžã§ã³ã§ããå¯èœæ§ïŒãžã®äŸåã¯ãCOMACã«ãšã£ãŠèŽåœçãªè匱æ§ã ãçã®èªçµŠèªè¶³ã¯ãŸã é ãéã®ãã ããã FAA/EASAèªèšŒã®å°æ¿åŠçãªåŽé¢ãéµã ãããã¯åãªããšã³ãžãã¢ãªã³ã°ã®åé¡ã§ã¯ãªããä¿¡é Œãšåœéæ¿æ²»ã®åé¡ã ãã
çè ã®åè«ïŒHNUser_TechGeekãããéããææããããšãããããŸãïŒãŸãã«ãã®éãã§ããšã³ãžã³ãå§ããšããäž»èŠã³ã³ããŒãã³ãã®æµ·å€äŸåã¯ãC919ããããŠäžåœã®èªç©ºæ©ç£æ¥å šäœã®ã¢ãã¬ã¹è ±ãšèšããã§ããããåœç£ãšã³ãžã³ã®éçºïŒCJ-1000Aãªã©ïŒãé²ããããŠããŸãããå®çšåã«ã¯ãŸã æéãããããšèŠãããŠããŸãããããŠããææã®éããFAA/EASAèªèšŒã¯åãªãæè¡åºæºã®ã¯ãªã¢ã ãã§ãªããåœéçãªä¿¡é Œéžæãšæ¿æ²»ç亀æžãäžå¯æ¬ ã§ããæè¡åãšå€äº€åã®äž¡æ¹ã詊ãããå±é¢ã§ããããã®ç¹ããäžåœã®ææŠã®æåŠã倧ããå·Šå³ãããšçè ãèããŠããŸããð€
äºæž¬ãããã³ã¡ã³ã⢠(Reddit r/aviation颚):
PilotPete777: "As an airline pilot, I'm skeptical. It's not just about building a plane that flies.
It's about global support, MRO (Maintenance, Repair, Overhaul) networks, parts availability,
and proven reliability over millions of flight hours. Boeing and Airbus have decades of this.
COMAC has a mountain to climb. Would I fly one? Not unless my airline *really* convinced me on safety and training.
Also, 'Made in China' and 'aerospace critical systems' still makes me nervous, fair or not. ð¬"
âïžPilotPete777ããïŒãèªç©ºäŒç€Ÿã®ãã€ããããšããŠãç§ã¯æççã ãé£ã¶é£è¡æ©ãäœãã ããããªããã ã ã°ããŒãã«ãªãµããŒããMROïŒæŽåã»ä¿®çã»ãªãŒããŒããŒã«ïŒãããã¯ãŒã¯ãéšåã®å ¥æå¯èœæ§ããããŠæ°çŸäžé£è¡æéã«ãããå®èšŒæžã¿ã®ä¿¡é Œæ§ãéèŠã ãããŒã€ã³ã°ãšãšã¢ãã¹ã«ã¯äœå幎ãã®å®çžŸãããã COMACã«ã¯ç»ãã¹ãå±±ãé«ããããç§ãä¹ããã£ãŠïŒäŒç€Ÿãå®å šæ§ãšèšç·Žã«ã€ããŠ*æ¬åœã«*çŽåŸãããŠãããªãéãç¡çã ãã ããã«ããäžåœè£œããšãèªç©ºå®å®ã®éèŠã·ã¹ãã ãã£ãŠããçµã¿åããã¯ãå ¬å¹³ãã©ããã¯å¥ãšããŠããã£ã±ãäžå®ã«ãããããð¬ã
çè ã®åè«ïŒPilotPete777ãããçŸå Žã®ãããã§ãã·ã§ãã«ããã®è²ŽéãªãæèŠãããããšãããããŸãïŒãã£ãããéããèªç©ºæ©ã®éçšã¯æ©äœãã®ãã®ã ãã§ãªãããããæ¯ããå æ¬çãªãšã³ã·ã¹ãã ãäžå¯æ¬ ã§ããMROãããã¯ãŒã¯ã®æ§ç¯ãéšåäŸçµŠäœå¶ã®ç¢ºç«ã¯ãCOMACã«ãšã£ãŠè£œé æè¡ã®ç¢ºç«ãšåããããããããã¯ãã以äžã«å°é£ãªèª²é¡ãããããŸãããä¿¡é Œæ§ã®èšŒæã«ã¯é·ãæéãšå®çžŸãå¿ èŠã§ããããã€ããããä¹å®¢ã®ä¿¡é ŒãåŸãããšã¯äžæäžå€ã«ã¯ãããŸããããMade in Chinaã補åã«å¯Ÿããã€ã¡ãŒãžããç¹ã«å®å šæ§ãæåªå ãããèªç©ºåéã§ã¯ãä¹ãè¶ããã¹ã倧ããªããŒãã«ã§ãããCOMACããã®ãä¿¡é Œã®å±±ããã©ã®ããã«ç»ã£ãŠããã®ããæ³šç®ããŠãããããšæããŸããð§
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åèæç® ð
- Varma, A. (n.d.). Will the China Cycle Come for Airbus and Boeing? Construction Physics. Retrieved from https://www.construction-physics.com/p/will-the-china-cycle-come-for-airbus (åå ž)
- CSIS. (n.d.). How is Commercial Aviation Propelling Chinaâs Economic Development? ChinaPower. Retrieved from https://chinapower.csis.org/china-commercial-aviation/
- Federal Aviation Administration (FAA) official website: https://www.faa.gov/
- European Union Aviation Safety Agency (EASA) official website: https://www.easa.europa.eu/en
- COMAC official website: http://english.comac.cc/
- https://dopingconsomme.blogspot.com (ãŠãŒã¶ãŒæå®ãµã€ã)
- Simple Flying. (various articles). https://simpleflying.com/
- Wikipedia. (various articles, e.g., on Y-7, Y-10, ARJ21, C919). https://www.wikipedia.org/
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- AVIC (Aviation Industry Corporation of China / äžåœèªç©ºå·¥æ¥éå£å ¬åž)
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- Multinational (adjective)
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çºé³èšå·ïŒ/ËmÊltiËnÊÊnÉl/
é¡èªïŒglobal, international, transnational
çšäŸïŒMany multinational corporations have factories in China. - Appropriate (verb)
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é¡èªïŒsteal, take, commandeer, seize (æèã«ãã)
çšäŸïŒChina has been accused of appropriating technology from foreign firms. - Consortium (noun)
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çºé³èšå·ïŒ/kÉnËsÉËrtiÉm/
é¡èªïŒsyndicate, association, coalition, partnership
çšäŸïŒA Japanese consortium led by Kawasaki designed China's first high-speed trains. - Reverse engineering (noun phrase)
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çºé³èšå·ïŒ/rɪËvÉËrs ËendÊɪËnɪÉrɪÅ/
é¡èªïŒdisassembly and analysis, product teardown
çšäŸïŒSome claim China attempted reverse engineering on Boeing 707s. - Joint venture (noun phrase)
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çšäŸïŒMost Western aerospace firms established some sort of joint venture in China by 2010. - Avionics (noun)
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çºé³èšå·ïŒ/ËeɪviËÉËnɪks/
é¡èªïŒaviation electronics, flight electronics
çšäŸïŒThe C919 relies heavily on foreign technology for its engines and avionics. - Certification (noun)
- æå³ïŒèªèšŒã蚌æãèªå¯
çºé³èšå·ïŒ/ËsÉËrtÉfɪËkeɪÊn/
é¡èªïŒaccreditation, approval, authorization, validation
çšäŸïŒThe C919 has not yet been certified by the FAA or EASA. - Subsidiary (noun)
- æå³ïŒåäŒç€Ÿ
çºé³èšå·ïŒ/sÉbËsɪdieri/
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çšäŸïŒCOMAC was spun off as a subsidiary of AVIC's commercial operations. - Payload (noun)
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çºé³èšå·ïŒ/ËpeɪloÊd/
é¡èªïŒcargo capacity, carrying capacity, load
çšäŸïŒThe C919's payload/range performance lags behind its competitors. - Skeptical (adjective)
- æå³ïŒæççãªãçãæ·±ã
çºé³èšå·ïŒ/Ëskeptɪkl/
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çšäŸïŒSome aerospace experts are skeptical that the C919 will amount to much.
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