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Back to the Turbofan Engines page.
Like any engine that's been around for a while, the 34 has quite a few models.
We present data for the earliest and smallest, as well as the newest and
largest.
| Specification | -1A | -8C1 |
|---|---|---|
| Application | Regional and large business jets | |
| T/O Thrust | 8650 lb | 12,670 lb |
| T/O SFC | 0.360 lb/hr/lb | 0.385 |
| Cruise Thrust | ||
| Cruise SFC | 0.712 lb/hr/lb | 0.655 |
| Bypass Ratio | 6.2 | 5 |
| Pressure Ratio | 14 | 16.5 |
| Length | 103 in | 128.5 in |
| Dia | 49 in | 52 in |
| Weight | 1625 lb | 2335 lb |