T53 (Allied Signal)
A venerable military-rated design, the T53 powered the Huey in Viet Nam, and is still in production both by Signal and under license by Kawasaki in Japan, whose army uses an upgraded Huey.
| Specification | -L-13B | -L-703 | -K-703 (Kawasaki) |
|---|---|---|---|
| Application | Bell UH-1H Huey | Bell AH-1Q, -1S Cobra | Bell UH-1J |
| T/O Power | 1400 shp | 1,800 shp | 1485 eshp |
| T/O SFC | 0.58 | 0.568 | 0.6 |
| Cruise Power | |||
| Cruise SFC | |||
| Max pwr. pressure ratio | 7 | 8 | 8 |
| Length (in) | 47.6 | 47.6 | 47.6 |
| Dia (in) | 25 | 23 | 23 |
| Weight | 544 lb | 545 lb | 545 lb |
LTS101 : Model 250 