Dan Denney, of Idaho is the original designer of the Kitfox

Denney Kitfox

The Denney Kitfox is a series of small personal kit aircraft with folding wings that was originally designed and manufactured by Dan Denney and his company Denney Aerocraft of Boise, Idaho....

 airplanes and founder of Denney Aerocraft. He was the 1991 recipient of the EAA

Experimental Aircraft Association

The Experimental Aircraft Association is an international organization of aviation enthusiasts based in Oshkosh, Wisconsin. Since its inception it has grown internationally with over 160,000 members and about 1,000 chapters worldwide....

 August Raspet Memorial Award for his "outstanding contribution to the advancement of light aircraft design".

Denney designed and built the Thunder Mustang

Thunder Mustang

The Thunder Mustang is a modern replica of the P-51 Mustang and has joined the ranks of the high performance P-51 kits alongside the all-aluminum Stewart S-51D and the full-scale, turbine powered Cameron and Sons P-51....

, a 3/4 scale carbon fiber P-51 replica. The venture was unsuccessful financially, but in 1999 it was the fastest homebuilt kit

Homebuilt aircraft

Also known as amateur-built aircraft or kit planes, homebuilt aircraft are constructed by persons for whom this is not a professional activity. These aircraft may be constructed from "scratch," from plans, or from assembly kits.-Overview:...

 in production.

He built and owned 92XL, the fastest normally aspirated Glasair III ever constructed, which brought Denney a variety of racing records and awards from 1992 through 2003.

After leaving the aviation business, Denney began manufacturing a high end ATV-Sandrail dubbed the Ridge Runner. The product was manufactured in Nampa, Idaho

Nampa, Idaho

Nampa is the largest and the fastest growing city in Canyon County, Idaho, USA. The population of Nampa was 81,557 at the 2010 census. Nampa is located about west of Boise along Interstate 84, and six miles west of Meridian. Nampa is part of the Boise metropolitan area...

 by Denney's new company Ridge Runner of Idaho. Ridge Runner ceased manufacturing operations sometime during 2007 or 2008.