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Comments by Kenneth P. Katz in the "New weapons programs that you guys don't hate?" thread got me to thinking about just how does the fuel capapcity the the F-35 compare with other aircraft. So here it is. All numbers are my best estimation of the actual liters or gallons of fuel rounded off to the nearest 5 liter or gallon. Various sources use differing conversion factors but I used 3.8 liters per gallon, 6.8 pounds per gallon & 2.2046 pounds per kg (liters per gallon & pounds per gallon being just single decimal point values but I use pounds per kg often enough that using 2.2046 is second nature & it would have actually taken me more time & effort to remember to use 2.2 instead).
F-35A
.internal: 10,336 liter = 02,720 gal = 18,496 lbs = 08,390 kg
external: 04,560 liter = 01,200 gal = 08,160 lbs = 03,701 kg
=__total: 14,896 liter = 03,920 gal = 26,656 lbs = 12,091 kg
F-35B
.internal: 07,790 liter = 02,050 gal = 13,940 lbs = 06,323 kg
external: 04,560 liter = 01,200 gal = 08,160 lbs = 03,701 kg
=__total: 12,350 liter = 03,250 gal = 22,100 lbs = 10,024 kg
F-35C
.internal: 11,210 liter = 02,950 gal = 20,060 lbs = 09,100 kg
external: 04,560 liter = 01,200 gal = 08,160 lbs = 03,701 kg
=__total: 15,770 liter = 04,150 gal = 28,220 lbs = 12,801 kg
--- *** --- other fighters
Gripen
.internal: 02,800 liter = 00,737 gal = 05,010 lbs = 02,272 kg
external: 03,825 liter = 01,007 gal = 06,845 lbs = 03,105 kg
=__total: 06,625 liter = 01,743 gal = 11,855 lbs = 05,378 kg
***
F-16C
.internal: 03,990 liter = 01,050 gal = 07,140 lbs = 03,239 kg
external: 04,560 liter = 01,200 gal = 08,160 lbs = 03,701 kg
=__total: 08,550 liter = 02,250 gal = 15,300 lbs = 06,940 kg
***
Mirage 2000
.internal: 04,000 liter = 01,053 gal = 07,158 lbs = 03,247 kg
external: 04,700 liter = 01,237 gal = 08,411 lbs = 03,815 kg
=__total: 08,700 liter = 02,289 gal = 15,568 lbs = 07,062 kg
***
Mig-29A
.internal: 04,300 liter = 01,132 gal = 07,698 lbs = 03,492 kg
external: 03,800 liter = 01,000 gal = 06,800 lbs = 03,085 kg
=__total: 08,100 liter = 02,132 gal = 14,495 lbs = 06,575 kg
***
Mig-29C
.internal: 04,600 liter = 01,211 gal = 08,232 lbs = 03,734 kg
external: 03,800 liter = 01,000 gal = 06,800 lbs = 03,085 kg
=__total: 08,400 liter = 02,211 gal = 15,032 lbs = 06,818 kg
***
Eurofighter Typhoon
.internal: 05,000 liter = 01,316 gal = 08,947 lbs = 04,059 kg
external: 03,500 liter = 00,921 gal = 06,263 lbs = 02,841 kg
=__total: 08,500 liter = 02,237 gal = 15,211 lbs = 06,900 kg
***
Rafale
.internal: 05,325 liter = 01,401 gal = 09,529 lbs = 04,322 kg
external: 05,700 liter = 01,500 gal = 10,200 lbs = 04,627 kg
=__total: 11,025 liter = 02,901 gal = 19,729 lbs = 08,949 kg
***
Mig-29M
.internal: 06,400 liter = 01,684 gal = 11,453 lbs = 05,195 kg
external: 03,800 liter = 01,000 gal = 06,800 lbs = 03,085 kg
=__total: 10,200 liter = 02,684 gal = 18,253 lbs = 08,280 kg
***
F-18C
.internal: 06,460 liter = 01,700 gal = 11,560 lbs = 05,244 kg
external: 03,762 liter = 00,990 gal = 06,732 lbs = 03,054 kg
=__total: 10,222 liter = 02,690 gal = 18,292 lbs = 08,298 kg
***
F-4E
.internal: 07,030 liter = 01,850 gal = 12,580 lbs = 05,706 kg
external: 05,092 liter = 01,340 gal = 09,122 lbs = 04,138 kg
=__total: 12,122 liter = 03,190 gal = 21,692 lbs = 09,840 kg
***
Tornado ADV
.internal: 07,250 liter = 01,908 gal = 12,973 lbs = 05,885 kg
external: 04,500 liter = 01,184 gal = 08,053 lbs = 03,653 kg
=__total: 11,750 liter = 03,092 gal = 21,026 lbs = 09,537 kg
***
F-15C
.internal: 07,866 liter = 02,070 gal = 14,076 lbs = 06,385 kg
external: 06,840 liter = 01,800 gal = 12,240 lbs = 05,552 kg
=__total: 14,706 liter = 03,870 gal = 26,316 lbs = 11,937 kg
***
F-18E
.internal: 08,170 liter = 02,150 gal = 14,620 lbs = 06,632 kg
external: 05,472 liter = 01,440 gal = 09,792 lbs = 04,442 kg
=__total: 13,642 liter = 03,590 gal = 24,412 lbs = 11,073 kg
***
F-14
.internal: 09,063 liter = 02,385 gal = 16,218 lbs = 07,356 kg
external: 02,033 liter = 00,535 gal = 03,638 lbs = 01,650 kg
=__total: 11,096 liter = 02,920 gal = 19,856 lbs = 09,007 kg
***
Su-27
.internal: 11,750 liter = 03,092 gal = 21,026 lbs = 09,537 kg
--- *** --- other strike aircraft
Tornado IDS
.internal: 06,650 liter = 01,750 gal = 11,900 lbs = 05,398 kg
external: 07,500 liter = 01,974 gal = 13,421 lbs = 06,088 kg
=__total: 14,150 liter = 03,724 gal = 25,321 lbs = 11,486 kg
***
A-6E
.internal: 09,063 liter = 02,385 gal = 16,218 lbs = 07,356 kg
external: 04,560 liter = 01,200 gal = 08,160 lbs = 03,701 kg
=__total: 13,623 liter = 03,585 gal = 24,378 lbs = 11,058 kg
***
Su-24
.internal: 13,000 liter = 03,421 gal = 23,263 lbs = 10,553 kg
external: 06,000 liter = 01,579 gal = 10,737 lbs = 04,870 kg
=__total: 19,000 liter = 05,000 gal = 34,000 lbs = 15,443 kg
***
F-15E
.internal: 07,866 liter = 02,070 gal = 14,076 lbs = 06,385 kg
.......CFT: 05,495 liter = 01,445 gal = 09,833 lbs = 04,460 kg
=
int+CFT: 13,357 liter = 03,515 gal = 23,902 lbs = 10,842 kg
external: 06,840 liter = 01,800 gal = 12,240 lbs = 05,552 kg
=__total: 20,197 liter = 05,315 gal = 36,142 lbs = 16,394 kg
***
F-111F
.internal: 19,095 liter = 05,025 gal = 34,170 lbs = 15,499 kg
--- *** ---
Conclusion:
The F-35A carries as much or more fuel internally as other light-medium weight fighters (and yes I know that the F-35A is expected to have an empty weight close to that of the F-15C but in terms of its physical size it is still a medium size fighter) do with drop tanks & only the larger & heavier twin engine strike aircraft (Su-24, F-15E & F-111) carry more than a F-35A with drop tanks.

he F-35A carries about the same amount of fuel internally as the Rafale, Mig-29M & F-18C do with three full drop tanks!
With two drop tanks the F-35A carries more fuel than the F-18E, F-15C, Tornado IDS & A-6E do with full drop tanks!
Hell the V/STOL F-35B carries about the same amount of internal fuel as the F-15C.
I always "knew" the F-35 carries "a lot" of internal fuel but this puts what that internal fuel is into perspective.
But since you brought up stealth...
The GREAT thing about the F-35 is that if you need it to be stealthy, it is (& with an internal fuel capacity similar to or greater than "comparable" fighterswith max internal & extenal fuel). If you don't need it to be stealthy, it can carry two external drop tanks for even greater range &/or a heavier payload.
And an F-35 can carry external stores (drop tanks or stand-off weapons) & still strike deep into enemy territory while being stealthy. Just drop the tanks or launch the stand-off weapons & what do you know, its stealthy.
Not to mention the work being done (or will be done) on stealthy external stores...

总结：F35是所有中轻型战斗机内置油量最大的。（ 虽然他的空载重量和F15c接近，但是考虑到她的外形大小，仍然算中小型战斗机）。甚至大部分双发重型战斗机载油量也不如F35.只有Su-24, F-15E & F-111在外挂油箱后可以与外挂油箱的F35媲美。
F35A不需要外挂油箱就可以和Rafale阵风, Mig-29M & F-18C 满载外挂油箱载油量相当。
加了两个外挂油箱的F35A载油量可以与 F-18E, F-15C, Tornado IDS & A-6E 满载外挂油箱相当。
最惊人的是短距起飞垂直降落的V/STOL F-35B 内置载油量和F15C内置油量相当。
更不用提F35C逆天的内满载9多吨的燃油。
提到隐身性能，由于F35的内置油量如此惊人，使他完全不需要外挂油箱即可完成大部分军事任务。当然不会影响其隐身能力。

每个网站公布的数据有细微差别，但总体差距不大，参考价值较高。

正常啊 宽大的机身带来的好处

机动性硬伤

楼主，这个我可以转吗？

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