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At a glance
Measured figures
Bell 47G-3B · Length
Single source31 ft 7 in (9.63 m)[source]
CH-146 Griffon · Length
Single sourceConfiguration
| Specification | Bell 47 | Bell CH-146 Griffon |
|---|---|---|
| Type | Multipurpose light helicopter[source] | Utility helicopter[source] |
| National origin | United States[source] | United States / Canada[source] |
| Manufacturer | Bell Aircraft Bell Helicopter[source] | Bell Helicopter[source] |
| Designer | Arthur M. Young[source] | — |
CH-146 · Length
Single source56 ft 1 in (17.09 m)[source]
17.1 m[source]CH-146 Griffon
17.1 m[source]CH-146 Griffon
17.1 m[source]CH-146 Griffon
Empty; Bell 47G-3B · Empty weight
Single sourceMaximum take-off; Bell 47G-3B · Max takeoff weight
Single source1,893 lb (859 kg)[source]
2,950 lb (1,338 kg)[source]
Gross; CH-146 Griffon · Gross weight · Maximum gross weight
Single sourceMaximum take-off; CH-146 · Max takeoff weight
Single sourceBell 47G-3B · 1 × Lycoming TVO-435-F1A six-cylinder vertically mounted horizontally-opposed air-cooled piston engine
Single source1 × Lycoming TVO-435-F1A six-cylinder vertically mounted horizontally-opposed air-cooled piston engine, 280 hp (210 kW)[source]
CH-146 · 1 × Pratt & Whitney Canada PT6T-3D Twin-Pac coupled turboshaft engine, 1,250 shp (
Single source1 × Pratt & Whitney Canada PT6T-3D Twin-Pac coupled turboshaft engine, 1,250 shp (930 kW)[source]
Bell 47G-3B · 860 ft/min (
Single source860 ft/min (4.4 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Primary users |
|---|
United States Army British Army[source] |
| — |
| Number built | 5,600[source] | 100 (85 in service)[source] |
|---|
| Manufactured | 1946–1974[source] | 1992–1997[source] |
|---|
| Introduction date | 1946[source] | 1995[source] |
|---|
| First flight | December 8, 1945[source] | 1992[source] |
|---|
| Developed from | Bell 30[source] | Bell 412[source] |
|---|
| Variants | Bell H-13 Sioux Bell 47J Ranger Kawasaki KH-4[source] | — |
|---|
| Capacity | 1 passenger or 2 litters (1,057 lb (479 kg) payload)[source] | 10 troops or 6 stretchers (some sources state maximum 8 passengers)[source] |
|---|
| Main rotor area | 1,085 sq ft (100.8 m 2 )[source] | 1,662 sq ft (154.4 m 2 )[source] |
|---|
| Status | — | In service[source] |
|---|
| Primary user | — | Royal Canadian Air Force[source] |
|---|
| Blade sections | — | - root Boeing VR-7; tip Wortmann FX 71-H-080[source] |
|---|
Maximum; CH-146 · Maximum speed
Single source