Liberty Technologies, Inc.

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Prototype buildup

Model Liberty 1500T

Specifications: The Liberty 1500 is a 2 seat plus cargo light turbine helicopter using a 26.4’ Diameter, 4 bladed fully actuated rotor system with a 1500 lb useful load and powered by a 318 hp turbine engine. It has an empty weight of  800 lbs, fuel capacity of 74 gal, and fuel burn of 16 gph at 100 knot (115 mph) cruise speed. ( Max Range , 3.5 hrs/.5 reserve 402 miles) Airspeed Limits VNE (Never Exceed Speed) at sea level is 130 knots (149.6 mph) CAS. For reduction of VNE with altitude, temperature and N1, see FAA Approved Rotorcraft Flight Manual. Autorotation VNE at sea level is 115 knots (132 mph) CAS. Built under Kit and Amateur Built Rules.

Sample Mission Characteristics

R44

 

 

Liberty 1500T

 

180.00

Fuel

vs

260.00

Fuel

200.00

Pilot

vs

200.00

Pilot

890.00

Aircraft EW

vs

800.00

Aircraft EW

1230.00

Cargo

vs

1240.00

Cargo

2500.00

Aircraft GW

vs

2500.00

Aircraft GW

12.20

Max lb/hp

vs

10

Max lb/hp

15.99

gph Hover Calculated @ 2500 GW

vs

19.44

gph Hover Calculated @ 2500 GW

12.79

gph Fwd Flight Calculated @ 2500 GW

vs

15.55

gph Fwd Flight Calculated @ 2500 GW

2638.87

Max Drive Continuous Torque @ 2500 GW

vs

2917.78

Max Drive Continuous Torque @ 2500 GW

3153.77

Max Torque Reserves

vs

3699.74

Max Torque Reserves

19.51%

Engine Reserve Safety Margin @ 2500 GW

vs

26.80%

Engine Reserve Safety Margin @ 2500 GW

 

 

 

17.32%

More Max Reserve Drive Torque over Completion


Primary Function: Advanced Multi Purpose Trainer including, IFR, Multi-Bladed Rotor System, and 300hp Gas Turbine Engine.
Designer: Liberty Technologies Inc.
Power plant: 318 horsepower Gas Turbine engine

Fuel: Jet A, Jet B, JP4, JP8, Kerosene
Rotor span: 26.4 ft (8.04meters)
Length: 28.75 ft (8.76 meters)
Height: 8.75 ft (2.66 meters)
Cruise Speed: 100 Knots, 115 mph, 185.2 km/hr

VNE:130 Knots, 149.6 mph, 240.7 km/hr
Standard Basic Empty Weight: 750 pounds (2,955 kilograms)

Useful Load: 1500 pounds/fuel
Ceiling: 15,000 feet (4572 meters)
Range: 350nm, 402 miles (648 kilometers)
Crew: student pilot and instructor
Armament: None
Date Deployed: Jan 2007
Base Unit Cost: $200,000 plus special options, plus OEM engine cost.
Optional IFR Lite Glass Cockpit including Remote Radios $40,000

 

Liberty 1500 Estimated Operational Cost

 

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Copyright © 2006 Liberty Technologies, Inc.
Last modified: May 24, 2007