1. Crankshaft and Oil Film Journal Bearings Dan DeVries

2. Objective Purpose of Crankshaft Parts of Crankshaft How it’s Made Journal Bearings

3. Purpose of Crankshaft linear motion  rotational motion Pistons back-forth movement is changed to rotational motion by the crankshaft http://www.grc.nasa.gov/WWW/K-12/airplane/Images/powert.gif

4. Parts of a Crankshaft Main bearings Connecting rod bearings Counterweight Throws Main axle Flywheel http://www.sweethaven02.com/MechTech/Auto02/fig0128.gif

5. Parts of a Crankshaft Throws http://www.mustangandfords.com/howto/29178/

6. How it’s Made Machined Strong, expensive Forged Strong, expensive Cast Weaker, cheaper

7. How it’s Made Dimensions critical Maintain balance Reduce wear at high RPM

8. Oil Film Journal Bearings Main bearings Connecting Rod Bearings

9. Sources http://www.tribology-abc.com/abc/engine.htm http://www.grc.nasa.gov/WWW/K-12/airplane/powert.html http://www.machinerylubrication.com/article_detail.asp?articleid =779 http://www.machinerylubrication.com/article_detail.asp?articleid =779 Wikipedia (www.wikipedia.org)www.wikipedia.org http://www.mustangandfords.com/howto/29178/ http://www.inparticular.com/products_lamps.htm http://www.cs.berkeley.edu/~sequin/CS285/TEXT/modelex.htm