http://www.modelaircraft.org/clubsearch.aspx

92373 - zip code
search in 50 mi. range >20 clubs listed. 7 are under 20 miles.

REDLANDS MINIATURE AIRCRAFT ASSOCIATION
http://www.modelaircraft.org/clubdetails.aspx?club=2585

THOMAS HILGERS
[email protected]

visit their website, and send an email or make a phonecall

If you were 3000 mi. closer, I'd give you a hand.

Good luck!