Video: Qhov hnyav npaum li cas tuaj yeem nqa tau 787?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Muaj ntau qhov hnyav hnyav rau 787 lossis lwm lub dav hlau neeg caij tsheb, hauv kab lus hauv qab no peb yuav tshawb xyuas txhua tus tab sis thawj zaug kuv xav muab cov lus teb rau koj Lub 787-8 muaj qhov hnyav hnyav (OEW) ntawm 259, 500 phaus (118,000 kg ) thiab qhov siab tshaj qhov hnyav (MTW) ntawm 502, 500 phaus (228,000) kg ).
Qhov sib thooj, qhov hnyav tshaj plaws lub dav hlau nqa tau li cas?
Nws muaj qhov siab tshaj plaws takeoff hnyav ntawm txog 80,000 Kg ( 175,000 Ib ). Qhov no suav nrog qhov hnyav ntawm lub dav hlau, uas yog hais txog 41,000 Kg ( 90,000 lbs ), thiab qhov hnyav ntawm cov roj uas yog hais txog 18,000 Kg ( 40,000 lbs ).
Tsis tas li ntawd, qhov hnyav npaum li cas tuaj yeem nqa Boeing 747? Boeing 747 ua -200 Freighter - 377,840kg The Boeing 747 ua -200F, tag nrho-cargo thauj variant ntawm 747 - 200 tus neeg caij dav hlau, nqa tau qhov siab tshaj payload ntawm 110t.
Ua raws li qhov no, qhov hnyav npaum li cas tuaj yeem nqa Boeing 777?
Cov Boeing [NYSE: BA] 777 -300ER (Extended Range), qhov tshiab tshaj plaws hauv 777 tsev neeg, tsis ntev los no tau teeb tsa qhov siab tshaj plaws-takeoff hnyav Cov ntaub ntawv ntawm 774, 600 phaus (351, 359 kilograms) qhov hnyav tshaj plaws ntawm kev tawm mus rau lub dav hlau ntxaib.
Qhov hnyav npaum li cas pub rau ntawm lub dav hlau?
Txhua lub hnab muaj qhov siab tshaj plaws hnyav - feem ntau 50 phaus - thiab qhov siab tshaj plaws tso cai ntsuas ntawm 62 ntiv tes. Davhlau sab nraum North America feem ntau siv lwm txoj kev hnyav tswvyim,”nyob rau hauv uas cov neeg caij tsheb lub hnab nqa taug kev yog qhia raws li a hnyav , feem ntau yog nrog los ntawm ib lub hnab tso cai.
Pom zoo:
Qhov hnyav npaum li cas tuaj yeem tuav tau?
Yog tias koj muaj cov nqaj hlau uas muaj qhov yooj yim tso cai khoov siab txog li 23000 lbs ib square inch, los ntawm lub sijhawm koj tso nyiaj rau ncua thiab tsis muaj kev txwv, qhov khoov tiag tiag uas lub nqaj tuaj yeem ua tau yog qis dua 6100 lbs ib square inch nyob rau hauv cov xwm txheej no
Qhov hnyav npaum li cas tuaj yeem txhawb nqa 2x6 vertically?
Hom kev thauj khoom hauv nqe lus nug tseem yuav txiav txim siab seb qhov hnyav npaum li cas 2x6 tuaj yeem tuav ntawm ntug. Piv txwv li, ib lub 2x4 lumber yuav tuav lub cav 4-lub tog raj kheej yooj yim tab sis yuav tsis tuav ib qho loj dua. Ntawm qhov kawg, 2x6 tuaj yeem txhawb nqa V8 lub cav ntawm 600 - 700 lbs
Qhov hnyav npaum li cas tuaj yeem txhawb nqa 2x12?
Ib qho 2x12 tuaj yeem txhawb nqa txog 180 lbs. ib ko taw lossis txog 2,100 lbs
Qhov hnyav npaum li cas tuaj yeem txhawb nqa 2x6 phab ntsa?
FWIW: 'Ib qho SPF # 2, 9' x 2x4 uas tau txwv tom qab los ntawm sheathing lossis thaiv tuaj yeem txhawb nqa 1820 lbs thiab 2x6 zoo sib xws tuaj yeem txhawb nqa 7061 lbs yam tsis muaj buckling (yuav luag 4 x ntau npaum li cas). Ob chav 2x4 tuaj yeem txhawb nqa 3639 lbs, lossis ib nrab ntawm ib qho 2x6
Qhov hnyav npaum li cas tuaj yeem txhawb nqa joist hanger?
Vim tias koj xav tau lub lawj uas tuaj yeem tuav tsawg kawg 55 phaus-ib square inch, koj muab xya los ntawm 55, qhia koj tias koj yuav xav tau ib lub joist hanger uas tuaj yeem txhawb nqa 385 phaus