Mechanical Engineering Senior Design Project 2005-2006

Pictures 1+2: Original Mower

Pictures 3, 4, 5, and 6: Test Mower

Pictures 7, 8, 9 ,10, and 11: New ETEK

Pictures 12, 13, 14, and 15: Fitting the ETEK

Pictures 17, 18, and 20: The new batteries

Pictures 19, 21, and 22: Lab testing of blades

Picture 23, 24, and 25: Final assembly of mower

Original Black & Decker Base Mower	Under the 'hood' of the base mower
Ben making some adjustments to the initial test mower	Andy displaying the test mower and stock mower
Mike turning on the test mower for the first time	Final layout of the initial test mower with gauges in place
The new Briggs & Stratton ETEK Motor	The back of the ETEK
Side View of the ETEK	Comparison of the stock motor and new motor
5 Peak HP vs. 13 Peak HP	Making clearance for the ETEK
Drilling holes for mounting the ETEK to begin some tests	The ETEK mounted in the mower from the top
The newly mounted ETEK	The final blade attachment cad drawing
A comparison shot of the old battery and new	48V test mower (blade speed too fast for application)
Preparing the mower for lab testing	The PowerSonic 12V 21amp-hr battery
Andy finishing up on the lab experiment	The lab experiment with pressure readings of various blades
The power control board with temporary fuse bypass	Group with final mower design
Final Mower with cowling off showing the ETEK