| 1 | A | B | C |
| --- | --- | --- | --- |
| 2 | Saturn V - Soviet N1-L3 |  |  |
| 3 | - | Saturn V (Apollo 11) | N1-L3 |
| 4 | Diameter, maximum | 33 ft (10 m) | 56 ft (17 m) |
| 5 | Height w/ payload | 363 ft (111 m) | 344 ft (105 m) |
| 6 | Gross weight | 6,478,000 lb (2,938 t) | 6,030,000 lb (2,735 t) |
| 7 | First stage | S-IC | Block A |
| 8 | Thrust, SL | 7,500,000 lbf (33,000 kN) | 10,200,000 lbf (45,400 kN) |
| 9 | Burn time, s | 168 | 125 |
| 10 | Second stage | S-II | Block B |
| 11 | Thrust, vac | 1,155,800 lbf (5,141 kN) | 3,160,000 lbf (14,040 kN) |
| 12 | Burn time, s | 384 | 120 |
| 13 | Orbital insertion stage | S-IVB (burn 1) | Block V |
| 14 | Thrust, vac | 202,600 lbf (901 kN) | 360,000 lbf (1,610 kN) |
| 15 | Burn time, s | 147 | 370 |
| 16 | Total impulse | 1.7336×109 lbf (7.711×106 kN)·s | 1.789×109 lbf (7.956×106 kN)·s |
| 17 | Orbital payload | 264,900 lb (120.2 t) | 209,000 lb (95 t) |
| 18 | Injection velocity | 25,568 ft/s (7,793 m/s) | 25,570 ft/s (7,793 m/s) |
| 19 | Payload momentum | 2.105×108 slug-ft/s (9.363×108 kg·m/s) | 1.6644×108 slug-ft/s (7.403×108 kg·m/s) |
| 20 | Propulsive efficiency | 12.14% | 9.31% |
| 21 | Earth departure stage | S-IVB (burn 2) | Block G |
| 22 | Thrust, vac | 201,100 lbf (895 kN) | 100,000 lbf (446 kN) |
| 23 | Burn time, s | 347 | 443 |
| 24 | Total impulse | 1.8034×109 lbf (8.022×106 kN)·s | 1.833×109 lbf (8.153×106 kN)·s |
| 25 | Translunar payload | 100,740 lb (45.69 t) | 52,000 lb (23.5 t) |
| 26 | Injection velocity | 35,545 ft/s (10,834 m/s) | 35,540 ft/s (10,834 m/s) |
| 27 | Payload momentum | 1.1129×108 slug-ft/s (4.95×108 kg·m/s) | 5.724×107 slug-ft/s (2.546×108 kg·m/s) |
| 28 | Propulsive efficiency | 6.17% | 3.12% |

Question: How big was the Apollo spacecraft?
Answer: The Apollo spacecraft is 363 feet (111 m) tall and 33 feet (10 m) in diameter.