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in small sizes than in large sizes but that the dirigibles are far superior for larger weight-carrying types. He gives the following comparisons.

| Parseval | Zeppelin |
| 32,000 cubic meters: 20 metric tons. | 32,000 cubic meters: 17 metric tons (useful load). |
| 56,000 cubic meters: 35 metric tons (estimated). | 56,000 cubic meters: 39 1/2 metric tons. |

Relative data on Zeppelin airship for the United States and last German Naval type:

| | | L2114 - German Naval Type. | Proposed U.S. Navy Ship. |
| Greatest length | - | 226.5 meters | 206 meters |
| Greatest diameter | - | 23.9 meters | 27.9 meters |
| Greatest height | - | 27.8 meters | 31 meters |
| Greatest breadth | - | 23.9 meters | 28 meters |
| Gas content | - | 68500 cubic meters | 68000 cubic meters|
| Power per engine | - | 240 h.p. | 400 h.p. |
| Number of engines | - | 6 | 5 |
| Total power | - | 1440 h.p. | 2000 h.p. |
| Maximum velocity | - | 32 meters per second | 36 meters per second |
| Weight, empty | - | 32 metric tons | 35 metric tons |
Useful load | - | 47 1/2 metric tons | 46 1/2 metric tons (which depends on U.S. requirements of strength desired.) Cabin for 30 persons with sleeping quarters. |

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