These are some links to sites I find particularly interesting. Some are Skybolt specific, some aren't, but they're all about airplanes (in one way or another.)
Brad's Skybolt site
Rudi's Skybolt site
Hatz Homepage
Jim Kimball Enterprises–home of the Pitts Model 12
Valley Soaring Club
NTSB Accident Reports
The Muscle Biplane Homepage
Aberle Custom Aircraft
Kent White's website
Culp Special site
Darin's Model 12 website
West System epoxy pages