The huge spur gear:
<table style="width:auto;"><tr><td><a href="http://picasaweb.google.com/lh/photo/SEV8KXgRABNut7ExpfZ6ow"><img src="http://lh6.ggpht.com/slongtemps/SNKFKaiufvI/AAAAAAAABe4/b6fOtKkDP9o/s800/HB_GT10_Build_20080917_0005.JPG" /></a></td></tr><tr><td style="font-family:arial,sans-serif; font-size:11px; text-align:right">From <a href="http://picasaweb.google.com/slongtemps/HBGT10BuildFall2008">HB GT10 Build Fall 2008</a></td></tr></table>