Bell 412 vs Enstrom F-28: Specs Compared

Bell 412 — licensed reference photograph

AHelicopters

Bell 412

Multipurpose utility helicopter

Credit

Sardaka · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified

Enstrom F-28 — licensed reference photograph

BHelicopters

Enstrom F-28

Light helicopter

Credit

Original uploader was User:Ahunt at en:wikipedia · Public domain · Resized · Public domain · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Bell 412Bell 412EP · including rotors

17.09 m

Length source ↗

Enstrom F-28F28F · Length

8.92 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Measured figures

Head to head

16 of 29 rows sourced on both sides

17.09mBell 412EP · including rotors

8.92mF28F · Length

LengthScopes differ

All recorded figures & sources

17.09 m

Bell 412EP · including rotors

Single source

56 ft 1 in (17.09 m) including rotors^[source]

8.92 m

F28F · Length

Single source

29 ft 3 in (8.92 m)^[source]

14.02mBell 412EP · Main rotor diameter

9.75mF28F · Main rotor diameter

Rotor diameterScopes differ

All recorded figures & sources

14.02 m

Bell 412EP · Main rotor diameter

Single source

46 ft 0 in (14.02 m)^[source]

9.75 m

F28F · Main rotor diameter

Single source

32 ft 0 in (9.75 m)^[source]

4.57mBell 412EP · Height

2.74mF28F · Height

HeightScopes differ

All recorded figures & sources

4.57 m

Bell 412EP · Height

Single source

15 ft 0 in (4.57 m)^[source]

2.74 m

F28F · Height

Single source

9 ft 0 in (2.74 m)^[source]

5.4t

1.2t

MassScopes differ

All recorded figures & sources

3,079 kg

Empty; Bell 412EP · Empty weight

Single source

5,398 kg

Maximum take-off; Bell 412EP · Max takeoff weight

Single source

6,789 lb (3,079 kg)^[source]

11,900 lb (5,398 kg)^[source]

712 kg

Empty; F28F · Empty weight

Single source

1,179 kg

Maximum take-off; F28F · Max takeoff weight

Single source

1,570 lb (712 kg)^[source]

2,600 lb (1,179 kg)^[source]

260km/hMaximum; Bell 412EP · Maximum speed

180km/hMaximum; F28F · Maximum speed

SpeedScopes differ

All recorded figures & sources

226 km/h

Cruise; Bell 412EP · Cruise speed

Single source

260 km/h

Maximum; Bell 412EP · Maximum speed

Single source

140 kn (160 mph, 260 km/h)^[source]

122 kn (140 mph, 226 km/h)^[source]

165 km/h

Cruise; F28F · econ cruise

Single source

180 km/h

Maximum; F28F · Maximum speed

Single source

97 kn (112 mph, 180 km/h)^[source]

89 kn (102 mph, 165 km/h) (econ cruise)^[source]

980kmBell 412EP · Range

446kmF28F · Range

RangeScopes differ

All recorded figures & sources

980 km

Bell 412EP · Range

Single source

529 nmi (609 mi, 980 km)^[source]

446 km

F28F · Range

Single source

241 nmi (277 mi, 446 km)^[source]

930kW

168kW

PowerScopes differ

All recorded figures & sources

930 kW

Bell 412EP · 1 × Pratt & Whitney Canada PT6T-3D Twin-Pac or PT6T-3DF Twin-Pac coupled turboshaft engine - each, 1,250 shp (

Single source

1 × Pratt & Whitney Canada PT6T-3D Twin-Pac or PT6T-3DF Twin-Pac coupled turboshaft engine - each, 1,250 shp (930 kW)^[source]

168 kW

F28F · 1 × Lycoming HIO-360-F1AD four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engine

Single source

1 × Lycoming HIO-360-F1AD four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engine, 225 hp (168 kW)^[source]

6,100mBell 412EP · Service ceiling

3,700mF28F · Service ceiling

Service ceilingScopes differ

All recorded figures & sources

6,100 m

Bell 412EP · Service ceiling

Single source

20,000 ft (6,100 m)^[source]

3,700 m

F28F · Service ceiling

Single source

12,000 ft (3,700 m)^[source]

6.9m/sBell 412EP · 1,350 ft/min (

7.4m/sF28F · 1,450 ft/min (

Rate of climbScopes differ

All recorded figures & sources

6.9 m/s

Bell 412EP · 1,350 ft/min (

Single source

1,350 ft/min (6.9 m/s)^[source]

7.4 m/s

F28F · 1,450 ft/min (

Single source

1,450 ft/min (7.4 m/s)^[source]

—

3.5hF28F · Endurance

Endurance

All recorded figures & sources

3.5 h

F28F · Endurance

Single source

3 hr 30 min^[source]

Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.

Configuration

Details

Bell 412 and Enstrom F-28 configuration
Specification	Bell 412	Enstrom F-28
Crew	one-two pilots^[source]	one^[source]
Type	Multipurpose utility helicopter^[source]	Light helicopter^[source]
National origin	United States / Canada^[source]	—
Manufacturer	Bell Helicopter^[source]	Enstrom Helicopter Corporation^[source]
Primary users	Japan Ground Self Defence Force See Operators for others^[source]	—
Number built	1,300+^[source]	—
Manufactured	1979–present^[source]	1965-present^[source]
Introduction date	1981 ( 1981 )^[source]	1965^[source]
First flight	August 1979 ( 1979-08 )^[source]	—
Developed from	Bell 212^[source]	—
Variant	Bell CH-146 Griffon^[source]	—
Capacity	up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)^[source]	two passengers^[source]
Fuselage length	43 ft (13 m)^[source]	—
Blade sections	root: Boeing VR-7; tip: Wortmann FX 71-H-080^[source]	—
Main rotor area	1,662 sq ft (154.4 m 2 )^[source]	804 sq ft (74.7 m 2 ) NACA 0013.5^[source]
Power/mass	0.2663 hp/lb (0.4378 kW/kg)^[source]	—
Variants	—	Enstrom TH180 Spitfire Mark I^[source]
Developed into	—	Enstrom 480^[source]
Country of origin	—	Vereinigte Staaten^[source]Country of design · Entwurfsland

FORCETALLY

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Bell 412

Enstrom F-28

Crew

one-two pilots^[source]

one^[source]

Type

Multipurpose utility helicopter^[source]

Light helicopter^[source]

National origin

United States / Canada^[source]

—

Manufacturer

Bell Helicopter^[source]

Enstrom Helicopter Corporation^[source]

Primary users

Japan Ground Self Defence Force See Operators for others^[source]

—

Number built

1,300+^[source]

—

Manufactured

1979–present^[source]

1965-present^[source]

Introduction date

1981 ( 1981 )^[source]

1965^[source]

First flight

August 1979 ( 1979-08 )^[source]

—

Developed from

Bell 212^[source]

—

Variant

Bell CH-146 Griffon^[source]

—

Capacity

up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)^[source]

two passengers^[source]

Fuselage length

43 ft (13 m)^[source]

—

Blade sections

root: Boeing VR-7; tip: Wortmann FX 71-H-080^[source]

—

Main rotor area

1,662 sq ft (154.4 m 2 )^[source]

804 sq ft (74.7 m 2 ) NACA 0013.5^[source]

Power/mass

0.2663 hp/lb (0.4378 kW/kg)^[source]

—

Variants

—

Enstrom TH180 Spitfire Mark I^[source]

Developed into

—

Enstrom 480^[source]

Country of origin

—

Vereinigte Staaten^[source]Country of design · Entwurfsland