Speed Reduction Drive Videos
Valley PSRU on a Big Twin 15:52 Installing a Valley Engineering Series Three PSRU on a Big Twin Engine.	Valley PSRU on a VW Engine 22:42 Installing the Valley Engineering series three PSRU on a VW engine.	High Performance with Valley PSRU 1:44 Gene Smith flies the high performance Backyard Flyer with Valley PSRU.
Backyard Flyer HP at Airventure 2012 :22 The Backyard Flyer HP doing a short field takeoff at Airventure 2012 with a Valley Engineering PSRU.	Waterbug Airboat with PSRU 5:43 Larry demonstrates the Valley Waterbug Airboat with Valley PSRU.