JetCat SPH5 User Manual

14
Checking of RPM sensor for the second stage turbine:
As soon as the sensor for the second stage turbine has been connected to the Exp connector on the
ECU it is ready to be tested. is ready to be tested.
Connect the GSU with LED- Board and switch the radio on. You will see the voltage of the turbine
battery indicated on the lower left side.
Connect the GSU with LED- Board and switch the radio on. You will see the voltage of the turbine
battery indicated on the lower left side.
Rotate the fan rapidly and the display will switch to indicate the fans rpm. If you wiggle the fan blade
with the magnet in it above the sensor it will show a fan rpm reading. It is a good idea to check
BOTH magnets are being detected by the sensor.
Rotate the fan rapidly and the display will switch to indicate the fans rpm. If you wiggle the fan blade
with the magnet in it above the sensor it will show a fan rpm reading. It is a good idea to check
BOTH magnets are being detected by the sensor.
Attention: Please never run the engine under an unloaded condition. It should be installed and drive
the main rotor head with the blades.
The maximum rpm of the turbine engine can be set in the “Limits-Menu
Should the rpm sensor fail during flight, the rpm will be limited to the maximum rpm the engine has
had during that flight.
Turbine battery
voltage/fan rpm

JetCat SPH5 Specifications

General

Brand	JetCat
Model	SPH5
Category	Engine
Language	English