Difference between revisions of "Group 32 - Honda IC Engine - 2"

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(R18A2)
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[[Image:Honda R20A Engine.JPG|250px|thumb|R20A]]
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Executive Summary
The [[Honda]] R series [[Straight-4|inline four cylinder]] engine is new for the 2006 [[Honda Civic]] (Non-Si). It is [[fuel injected]], has an aluminum-[[alloy]] [[cylinder block]] and [[cylinder head]], is a [[SOHC]] 16 [[poppet valve|valve]] design (4 valves per cylinder), utilizes Honda's [[i-VTEC]] system, and produces 138 (JDM)<!--what's this cryptic abbreviation--> and 140 (USDM)<!--what's this cryptic abbreviation--> [[Horsepower|hp]] (103 (JDM)<!--implies JDM uses English horsepower rather than metric horsepower, is that true?--> and 104 (USDM) [[kilowatt|kW]]) @ 6300 rpm and 128 [[lbf·ft]] (174 [[newton metre|N·m]]) @4300 rpm [[Society of Automotive Engineers|SAE]] net ([[torque]]), with the [[redline]] at 6800 rpm. The R series is [[undersquare]] with a bore and stroke of 81 x 87.3 mm ([[stroke ratio]] of 0.93); it has a high [[compression ratio]] of 10.5:1, features a "[[drive by wire]]" throttle system which is computer controlled to reduce [[pumping losses]] and create a smooth torque curve.  The engine uses many technologies to improve economy.  Piston rings are given an ion plating, weight is reduced with plastic and aluminum parts and variable length intake manifolds that maintain ram air at a wide rpm range. The automatic transmission model is rated at [[CARB]] ULEV-2 (Ultra Low Emissions Vehicle) with 25/36 city/highway mpg (U.S. gallons) . It also uses the same computer ([[ECU]]) controlled coil-on-plug [[Ignition system|ignition]] as the Honda [[Honda K engine|K-series]] engines; it has no [[distributor]]. The R Series [[Internal combustion engine|engine]]'s OEM service manual is available at [http://www.helminc.com/helm/product2.asp?sku=61SNA03&Style=2HDX04HSEQ85VCP&mscsid=CEX46G3DKPT78NC8DUCT1JMC226D3402 HELM INC.] <!-- Unsourced image + description text removed: The following picture is the engine assembly with the new compact 5 speed [[automatic transmission]] assembly to the right of it.
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[[Image:14SVA6.023.7.gif|thumb|Honda R18 w/5AT ([[Engine block]]-1; [[Cylinder head]]s-2; [[Transmission (mechanics)|Transmission]] assembly-3)|800px|center]]  -->
 
[[Image:14SVA6.023.7.gif|thumb|Honda R18 w/5AT ([[Engine block]]-1; [[Cylinder head]]s-2; [[Transmission (mechanics)|Transmission]] assembly-3)|800px|center]]  -->

Revision as of 22:39, 6 October 2008

Executive Summary

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Contents

Introduction

Members

  • Group Members:
    • David Olson
    • Rassell D'Silva Green
    • Mike Pelino
    • Priya Parajuli
    • Bilal Mohideen

Before Disassembly Section

Purpose

  • Found in:
    • Describe the purpose of the product and how it works (your understanding at this point).
    • What types of energy are used and how are they transformed?

Components

  • How many components do you think the product is made of?

Disassembly Procedure

R20A1

  • Found in:
    • 2007- Honda CRV (RE2)
      • Displacement: 1997 cc
      • Compression: 10.5:1
      • Bore & stroke: 81.0 x 96.9 mm
      • Power: 148 bhp (150 PS, 110 kW) @ 6200 rpm
      • Torque: 19.4 kgf·m (190 N·m, 140 lbf·ft) @ 4200 rpm
    • 2008- Honda Accord (CP3)

After Disassembly

R20A1

  • Found in:
    • 2007- Honda CRV (RE2)
      • Displacement: 1997 cc
      • Compression: 10.5:1
      • Bore & stroke: 81.0 x 96.9 mm
      • Power: 148 bhp (150 PS, 110 kW) @ 6200 rpm
      • Torque: 19.4 kgf·m (190 N·m, 140 lbf·ft) @ 4200 rpm
    • 2008- Honda Accord (CP3)

External links

References

See also


Template:Honda