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 Printable Version
   > Jakadofsky Jet Engines  >  PRO Turboshaft Turbines

PRO
Turbine Engines

On opening the Jakadofsky turbine box you will see everything pictured here along with a detailed operating and setup manual that covers fuel tank systems, recommended exhaust designs, mounting the engine, mounting the onboard components and very detailed instructions for calibrating the AECU unit with the supplied data console.

PRO-SW   Turboshaft Turbine w/Machined Turbine Wheel  $5,650.00 
PRO5000  Turboshaft Turbine w/Machined Turbine Wheel  $6,136.00 

:: overview:: includes:: requires:: fuselages:: browser  

Every Jakadofsky engine that is shipped to customers has passed stringent factory testing. Each engine is tested at all operating speeds, during startup and shutdown using common operator errors and at maximum power. The onboard AECU controls all aspects of the engine's operation from startup, spool up, speed regulation, spool down and shut down, including emergency engine shutdown from the transmitter. The default AECU setup is factory programmed for the highest efficiency to fuel consumption ratio and requires the final steps to calibrate the engine startup to your transmitter.

Included with each engine are components in 3 major groups. The electronic components include the AECU, data console, glow plug connector, battery pack, switch harness and indicator status LED. The engine start gaseous fuel equipment includes the 3mm PU gas lines, the gas shut off valve and the gas container with mechanical shut off valve. The operational liquid fuel equipment includes 4mm PU fuel line, electric fuel pump and electric fuel shut off valve.

AECU Connections Left Side:

  • Throttle lead, connects to receiver.
  • Safety lead, any switched rx channel.
  • Engine RPM sensor.
  • Engine EGT sensor.
  • Connector for data console.
  •  
AECU Connections Right Side:
  • Switch harness for 6 cell battery.
  • Kerosene electric fuel pump.
  • Onboard electric starter.
  • Glow plug connector.
  • Propane electric shut off valve.
  • Kerosene electric shut off valve.
  • Engine status LED.

Data Console Functions:

RPM value for propane ignition, amount of propane, fuel pump voltage control, glow plug voltage control, ambient temperature, idle and maximum speed.

The data console is the interface to the operating parameters for the engine. Each new engine requires two configuration procedures, one with the transmitter turned off and one with the transmitter turned on. All settings are well detailed in the operating manual. Once the AECU has been setup, the data console will confirm it with a message and the engine can be run using the Autostart feature. At the end of each flight, the AECU will retain information for maximum fuel voltage needed for full throttle, average operating temperature, maximum temperature, stop rotor time and the total engine time. The AECU retains this information until the power switch is turned off. It is recommended to log this information as it will be a clear indicator of a problem with the fuel system, over time.

Jakadofsky Turbine Detail Photos

The pictures illustrate the current PRO series turbine along with a few detail shots of the legacy RS turbine. While the PRO and the PRO5000 look identical on the outside, changes have been made internally to produce the higher output. All of the components mounted are the same for the RS, PRO and PRO5000 engines.

PRO front side of the turbine with fuel line plugs inserted.  PRO profile side of the turbine with temperature probe installed.
PRO turbine with overall electrical, gaseous and liquid fuel components  Detail shot of the AECU and data console provided with every turbine.
Detail shot of the liquid fuel pump, valve, switch and starting battery.  Detail shot of the gaseous tank, 3mm PU lines, electric valve and tank valve.
RS top configuration with fuel line plugs inserted.  RS top configuration showing the clutch and clutchbell details.
RS closer shot of the clutch assembly, FOD screen, starter pod and mount.  RS front view of turbine, FOD screen, clutch assembly and wiring.
RS top left side of turbine, note glow plug and EGT probe.  RS detail shot of the exhaust, turbine wheel and temperature probe.