Содержание
- 2. Outline Purpose and background of the project Intake manifold design Exhaust manifold design Proto-type design Testing
- 3. Purpose Design an intake manifold to suite the high rpm function of my race car. Manifold
- 4. What is an intake manifold? An intake manifold’s job is to guide the air into the
- 6. Parts to the manifold Plenum The plenum is the big usually circular part of the manifold.
- 7. Runners The runners stem from the plenum and are connected to the cylinder head. They have
- 9. Throttle Body or Throttle Plate Controls the air flow into the intake plenum. Size of the
- 10. Fuel Injector Location Two main guidelines to follow Aim directly down the center of the port,
- 11. Ram Air Theory This theory is used to help explain the boost at a certain RPM
- 13. When the piston drops in a naturally aspirated engine, it creates a low pressure area inside
- 14. Example Calculation Engine B18C1 DOHC 1.8 VTEC Intake valve open for 230* of crank rotation Speed
- 15. David Vizzard’s Rule: Runner Length Begin with 17.8cm and a max torque of 10,000 RPM. For
- 16. Helmholtz Approximation RPM = = 218,280 x [ SQRT (S/[L x V] ) ] x [
- 17. What is a turbo? A turbocharger is used on race engines to overcome 100% volumetric efficiency.
- 19. Overview of Turbo Manifold Design Goal of the manifold is to direct the exhaust gases through
- 20. Examples Short Tubular – Good Spool, Lacks Top End power. Tubular Ramhorn – Slower Spool, Great
- 21. Prototype Intake Manifold Design Explain plenum size of Victor X manifold and runner length/shape. Going to
- 22. Testing The manifold will be tested on my race car. The motor will be a Sleeved
- 23. Both setups will be tuned with Neptune EMS by me. Data logs will be kept of
- 24. To read the dyno graph you will notice horsepower and torque are on the Y-axis and
- 25. Example Dyno Graph
- 26. Dyno Video
- 27. The Test Subject http://www.j-k-tuning.com/images/Dragcar.html
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