JetCat SPT Turbines
The function of the SPH engines is similar to the SPT engines, but instead of a planetary gear a 90 degree angular gear is mounted, which normally drives a directly mounted centrifugal clutch.
A Hall sensor measures the gearbox output speed. The respective transmission ratios are freely programmable in the ECU (gear output to main rotor, main rotor to tail rotor). The user can program the desired main rotor speed directly, the rest is done by the ECU software.
The JetCat SPH engines are preferably used in helicopters. An ECU software specially developed for this application allows the free programming of up to three main rotor speeds, which can then be switched on the transmitter side by means of a 3-step switch. The electronic control of both shafts ensures that the rotor speed is kept constant even during load changes.
Technical Specifications
|
Pressure Ratio
|
2
|
|
Mass flow (kg/s)
|
0,14
|
|
Consumption Full load (ml/min)
|
260
|
|
Consumption Idle (ml/min)
|
95
|
|
Weight [g]
|
2200
|
|
Diameter (mm)
|
83
|
|
Length (incl. Starter) (mm)
|
375
|
|
Gewicht Set im Karton (g)
|
|
|
Dimensions Carton (LxBxH; cm)
|
|
|
Exhaust Gas Temperature (°C)
|
480-730
|
|
Gear Ratio Tailrotor
|
|
|
Dimensions
|
375x140
|
|
Idle rpm (1/min)
|
50000
|
|
Max rpm (1/min)
|
170000
|
|
Gear ratio 2nd shaft
|
3,45
|
|
Idle rpm 2nd shaft (1/min)
|
6200
|
|
Propeller
|
|
|
Max rpm 2nd shaft (1/min)
|
17000-21000
|
|
Max rpm main rotor shaft
|
|
|
Torque, max (Ncm)
|
377
|
Basket discount
Value above 4,000.00 €
-
Discount:
1 %
Value above 7,000.00 €
-
Discount:
2 %
Value above 10,000.00 €
-
Discount:
3 %
