In rec.aviation.homebuilt Ed Wischmeyer wrote:

Look up EAA Chapter 62 on the web -- they're based at RHV. One of them
should know an AP who built a Skybolt at RHV. If Robin is your
instructor, he'd know the builder, as Robin did the first flight on it.

Yes, Robin is the instructor I was talking about. I'll asking him, and
I'll check out the EAA chapter. Thanks a lot for the tip!

Boris