Compression Ignition Engine in the J182T Aircraft
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Compression Ignition Engine in the J182T Aircraft. Cessna Single Engine Aircraft Maintenance Kevin Patrick – Cessna Field Service. Kevin Patrick – Cessna Fleet Programs. Course Outline. Compression Ignition (Diesel) Technology Cessna J182T SMA Engine J182T Engine Indication

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Compression Ignition Engine in the J182T Aircraft

Cessna Single Engine Aircraft Maintenance

Kevin Patrick – Cessna Field Service

Kevin Patrick – Cessna Fleet Programs


Course outline
Course Outline

  • Compression Ignition (Diesel) Technology

  • Cessna J182T SMA Engine

  • J182T Engine Indication

  • Fuel Cap Changes

  • J182T Performance Data

  • Questions, Answers and Wrap-Up


Compression Ignition (Diesel) Technology

Compression Ignition (C.I.), better known as “diesel” engines do not use an ignition system for combustion of fuel in the cylinders.

C.I. Engines ingest air without fuel. When the air is compressed by the piston during the compression stroke, fuel is injected into the cylinder. The heat of the air compression process causes the fuel to combust spontaneously, this drives the piston downward and powers the engine.

Combustion timing is controlled by the timing of fuel injection into the cylinder.






C.I. Engine Advantages

C.I. engines have several advantages over gasoline engines:

They burn less fuel than a petrol engine performing the same work

They have no high voltage electrical ignition system

They generate less waste heat in cooling and exhaust

The carbon monoxide content of the exhaust is minimal

Jet A cylinder lubrication properties


Cessna J182T SMA Engine

SMA SR305-230E-C1 oil and air cooled engine

ECU Controlled with Manual Backup

Single lever power control

Hartzell composite constant speed prop

Approved for Jet-A fuel only


Sma sr305 230e c1 engine
SMA SR305-230E-C1 Engine

4-cylinder, horizontally opposed engine

Direct drive engine, no gearbox or clutch

Turbocharged and intercooled with no waste gate

Air and oil cooled

Single power lever and computer controlled fuel scheduling

Fully mechanical, redundant backup fuel control system

100% power available to 10,000 ft standard atmosphere

75% power available at 20,000 ft standard atmosphere

2400 hr TBO


Sma sr305 230e c1 engine1
SMA SR305-230E-C1 Engine

P2/T2 Sensor

Air Cooling Fins

Oil Cooling Pressure Line

Prop Governor

Oil Cooling Galley for Exhaust Valve


Sma sr305 230e c1 engine2
SMA SR305-230E-C1 Engine

Fuel Injector Return Lines

Fuel Injector Lines

Vacuum Pump

Turbocharger

Fuel Filter


Sma sr305 230e c1 engine3
SMA SR305-230E-C1 Engine

Air Shut Off Valve

Fuel Injection Pump

ECU


Fuel Injection Pump

Control Actuator

Back-up Power Lever Connection

ECU Harness













Jet-A Fueling

Standard Jet-A Fuel Truck Nozzle


Jet-A Fueling

Jet- A Spade Nozzle Does Not Allow Fueling with Round Avgas Nozzle

Flapper Doors Prevents Fuel Siphoning if Cap is Left Off


Jet-A Fueling

Jet-A Nozzle Inserted into Fuel Filler Assembly Note “Stop” for Nozzle

Flapper Doors Opened by Jet-A Nozzle


Jet-A Fueling

Standard Jet-A Fuel Truck Nozzle



Review
Review

  • Compression Ignition (Diesel) Technology

  • Cessna J182T SMA Engine

  • J182T Engine Indication

  • Fuel Cap Changes

  • J182T Performance Data

  • Questions, Answers and Wrap-Up



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