The Stallion is a modification to the Cessna Citation 501SP model with new Williams International FJ44-2A Wide Sweep 2,300 Pound Turbofan engines. Included in this modification are:
- Digital electronic fuel control units for comprehensive power management.
- Full time syncing between the two engines when in ECU mode.
Airframe modification to accept the new engines:
- All engineered and approved structural changes to the aircraft to accept the FJ44’s.
- Two (2) new hydraulic pumps.
- All new engine mounts, hoses and bleed air lines.
- New high recovery inlets and convergent / divergent exhaust nozzles.
- New Hicock 2” round panel engine instruments.
- Paint on the affected areas.
The Stallion provides superior performance and capability. The following are estimated Stallion performance benefits over the JT15D-1A engine:
The JT15D-1A powered aircraft can only maintain Vmo to 19,000 feet where the Stallion can maintain Vmo all the way to the Mmo limit and then Mmo as high as 35,000 feet.
- Climb direct to 41,000 feet at gross weight in less than 30 minutes.
- Higher service ceiling of 43,000 feet.
- Maximum cruise speed of more than 40 knots faster.
- Economy cruise speed as much as 30 knots faster.
- Fly 150 miles farther at maximum cruise power.
- Fly 200 miles farther at economy cruise power.
- Climb 50% better at sea level with all engine operative and 38% better at sea level with one engine operative.