GasVDiesel

Card Set Information

Author:
dfrazier
ID:
125024
Filename:
GasVDiesel
Updated:
2012-01-17 19:11:34
Tags:
Engineering Gas Diesel Motors
Folders:

Description:
FD notes on Gas versus Diesel Motors
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  1. 4 stroke
    • Intake
    • Compression
    • Compbustion
    • Exhaust
  2. 2 stroke
    • Intake and Compression
    • Combustion and Exhaust
  3. Diesel
    • Combustion uses heat of compression not spark
    • 2 or 4 stroke
    • water cooled
  4. Diesel Fuel v Gas
    • FP 130
    • Gas FP -32
    • Cheaper, safer, less pollution, more energy per gallon
  5. KFD Diesel Engines
    • Quantum - 60 series 4 stroke
    • 727- 8V92TA 2 stroke
  6. 60 Series
    • Detroit Diesel
    • straight 6
    • 470 HP
    • Computer controlled
    • Turbo
  7. 8V92TA
    • Detroit Diesel
    • 2 stroke
    • 475 HP
    • V 8
    • Turbo
    • Computer controlled (can not change performace)
  8. Turbo Chargers
    • Essential for 2 stroke engines
    • Creates compressed air used for combustion
    • Increases HP without increasing weight
    • Turbo fins can not opperate with water or debris
    • Beaings need oil supply (high or No RPM is bad)
  9. Jake Brake (engine brake)
    • Runs off of the cylinders compression to slow engine
    • Switches off when accelerator is pressed
  10. Jake Brake Quantum
    • 2 switch:
    • On/Off
    • 6, 4, 2, off
  11. Jake Brake 727
    8, 4, off
  12. Fuel Air mixture differences
    • Gas: Air and Fuel mix is compressed, can cause knocking if over compressed. Less efficient
    • Diesel: Only air is compressed, so can have higher compression ratio (power)
  13. ECM and starting
    ECM controls all functions no amount of pumping the gas will help an engine that won't start
  14. Glow plugs
    • These larger engines do not need them becuase of the high compression of the larger cylinders.
    • Block heaters are used
  15. Jake Brake
    Uses the energy of compressed cylinder to slow the engine by opening the exhaust valve at top of compression stroke
  16. Transmission retarder
    Slows the vehicle down by pushing transmission fluid.
  17. Transmission Features
    • Transmission Retarder
    • Downshift inhibitor- prevents if too high RPM
    • Automatatic Neutral selection- Goes to N when battery off
    • Hold-in-gear feature- stays in gear of problem, neutral after shut down.

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