Robert Q Riley Enterprises LLC and  contact link
XR3 125-mpg hybrid three-wheeler.
Visit the various areas on the Robert Q Riley Enterprises Site
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click for DIY plans you can buy
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information for the press
Fitness and Medical Equipment design Hydrorunner, an outboard powered PWC you can build from plans Ground Hugger XR2 with Solar Assist features from the race-wining Prince Alfred version.  YOu can build from plans

Robert Q. Riley Enterprises, LLC. is a full-service product design and development Click for info on Rhinocerosconsultancy, specializing in transportation, recreation, fitness, and medical products. The "Do it yourself... Plans & Projects" area showcases the world's finest projects that you can build from plans. Network with others using the "DIY Forum."  Download free software and plans.  Get technical and how-to information on intellectual property, one-off construction techniques, automotive design, and alternative energy technologies.

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Copyright Robert Q. Riley Enterprises, LLC.
P.O. Box 14465, Phoenix, AZ 85063-4465
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Product Development Design | Product Development Design Consultancy | New Project Engineering | Do It Yourself Plans | DIY Plans