1. The Blades and Motor Presented by Jeffrey Wu

2. Objective: To understand the blades and the motor of a reciprocating saw. Definition: A portable power saw with a reciprocating blade; can be used with a variety of blades depending on the application and kind of cut.

3. Are versatile and will accept a wide variety of saw blades Different type of blades for different cutting objects The blade mounting is standard Length from 3 to 8 inches

4. Cordless Reciprocating Saw Non-Cordless Reciprocating Saw amps 6 amps - 8.5 amps 9.6 volts - 18 volts volts Reach more places Unlimited using time

5. Number of strokes is measured per minute Stroke length

6. Universal motor AC or DC electric power Loud Smaller and much lighter

7. References : http://www.dewalt.com/us/articles/article_events.asp?Site=events&ID=193 http://www.diyfaq.org.uk/powertools/recipsaw.htm http://www.thefreedictionary.com/reciprocating+saw http://www.irwin.com/irwin/consumer/jhtml/detail.jhtml;jsessionid=VBEXOCRA0D AJ2CQHUBSCHPQKA4QHQJCK?prodId=IrwinProd100309 http://www.csunitec.com/pdf_files/saws/catalog%201004/CS%20Unitec%20Recip %20Saws%201004.pdf