This site is dedicated to the Sonoma 30 - an ultralight, symmetrical-kite racer from the early 80s. It's a homepage for individual Sonoma 30s, a repository of information related to our boats, and, hopefully, a magnet for more information about the design, its history, and any "unknown orphans" floating around (pardon the pun!) out there.

This site's just gettin' started, but we're hoping it grows.

If you're looking for information related to the potential new San Francisco fleet of 30'-ish ultralight-ish racers, look here.

If you have any information about the whereabouts of any Sonoma 30s, or their history, please email jim@sonoma30.org.

Right now, we know of the following boats:

  • Bushwhacker - San Francisco
  • Red Stripe - San Francisco
  • Red Shark - Waikiki
  • Two Guys on the Edge - Waikiki

BUT! We know there were more built! If you know of a Sonoma 30, please drop us a line....

Also - Sonic 30s and Synergy 1000s are welcome: Send us pics, info, etc!

Here's some basic information. Please let us know where we have something wrong!

Designer: Carl Schumacher, Alameda, California
Builder: Gannon Yachts, Petaluma, California
LOA: 29'11"
LWL: 26'11"
Draft: 6'0" (retractable keel down) 2'0" (keel up)
Displ: 3300# (retracting keel) - 4400# (fixed keel)
Sail Area: 370'
Built: 1981? 1982? Any info appreciated!
# Built: 8? 12? 20? Any info appreciated!
Configurations: 3: Retracting keel, transom rudder (original design); fixed keel, transom rudder; fixed keel, inboard rudder. Some boats run masthead kites, some fractional.
PHRF: 92 - 108, depending on mods, configuration...
Relatives: Sonic 30: 90's era mod'd design
Synergy 1000: Current production, high-tech asym boat based on Sonoma30 hull.

 

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