HERC: JOV-3

General data

Producer info

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Data sources

Names and dates
Market original model designation
JOV-3
Market model designation (english translation or spelling)
JOV-3
Project start date
1946
First flight date and time
1948
Country of manufacture
USA
People involved
Dragoljub JovanovichChief design engineer
F. KozloskiDesign engineer
George TownsonDesign engineer
Config info
Rotorcraft typeHelicopter
Config
Tandem rotors
Weights
Maximum Takeoff Weight (MTOW)
544
kg
Manufacturers empty weight (MEW)
352
kg
(...)
363
kg
354
kg
Cabin and cockpit
Maximum number of people onboard
2
External dimensions
Length
8.03
m
Width
5.18
m
Height
2.82
m
Main rotor
Main rotor diameter (System no.: 1)
5.64
m
Main rotor diameter (System no.: 2)
5.64
m
Main rotor direction of rotation (System no.: 1)
Clockwise
Main rotor direction of rotation (System no.: 2)
Counterclockwise
Number of blades (System no.: 1)
3
Number of blades (System no.: 2)
3
Powerplant
Engine model
Lycoming O-235
(...)
Franklin
Engine model (english translation or spelling)
Lycoming O-235
Engine type
Piston
Total maximum power
100
HP
Angular speed at max power
2440
rpm
Performance
Maximum horizontal flight speed (Vh)
161
km/h
Cruise speed (Vc)
116
km/h
(...)
117
km/h
Best rate of climb
6.6
m/s
Maximum service ceiling
4267
m
Maximum range
222
km
Maximum flight endurance
2.33
h
0.0625