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Ultimate 20
Development
Designer	Jim Antrim; Jeff Canepa
Location	United States
Year	1994
Builder(s)	Abbott Boats; Columbia Yachts; Moore Sailboats; Santa Cruz Yachts; W. D. Schock Corp; Ultimate Sailboats
Role	One design racer
Name	Ultimate 20
Boat
Displacement	1,100 lb (499 kg)
Draft	5.00 ft (1.52 m) with keel down
Hull
Type	monohull
Construction	fiberglass
LOA	20.83 ft (6.35 m)
LWL	18.00 ft (5.49 m)
Beam	8.00 ft (2.44 m)
Engine type	outboard motor
Hull appendages
Keel/board type	lifting keel
Ballast	450 lb (204 kg)
Rudder(s)	transom-mounted rudder
Rig
Rig type	Bermuda rig
I foretriangle height	26.08 ft (7.95 m)
J foretriangle base	6.96 ft (2.12 m)
P mainsail luff	27.32 ft (8.33 m)
E mainsail foot	10.25 ft (3.12 m)
Sails
Sailplan	fractional rigged sloop
Mainsail area	140.02 sq ft (13.008 m2)
Jib/genoa area	90.76 sq ft (8.432 m2)
Total sail area	230.77 sq ft (21.439 m2)
Racing
PHRF	138-159
	← Hotfoot 20 ; [edit on Wikidata]

The Ultimate 20 is an American trailerable sailboat that was designed by Jim Antrim and Jeff Canepa as a one design racer and first built in 1994.^[1]^[2]^[3]^[4]^[5]

The design was named Sailing World's 1995 Boat of the Year in the PHRF/Sportboat category.^[6]

Production

The design was built in the United States starting in 1994 in California by Moore Sailboats, which built the first 35 boats. Santa Cruz Yachts then built about 20 more, before production was assumed by Ultimate Sailboats until it went bankrupt. The class association then bought the molds and had the design built by Abbott Boats in Canada. After Abbott's plant was destroyed by fire in 2006, production was passed to Columbia Yachts, but few boats were completed. It was last constructed by W. D. Schock Corp, starting in the 2010s, but it is now out of production.^[1]^[2]^[7]^[8]^[9]^[10]^[11]^[12]^[13]^[14]^[15]

Design

The boat was conceived by Hobie Cat champion sailor Jeff Canepa in the late 1980s. He was interested in the work done by Doug Hemphill, the designer of the Hotfoot 20 and Hotfoot 27 sailboats and especially his desire to add a bowsprit and asymmetrical spinnaker to the Hotfoot 20. Canepa ended up buying the Hotfoot 20 molds at a sheriff's auction. In 1993 he formed Ultimate Sailboats and started to work on an evolved design. Ron Moore of Moore Sailboats built a prototype from the Hotfoot molds and it was taken on a racing tour by John McWaid, where he gathered feedback. Next naval architect Jim Antrim was enlisted to do an overhaul of the original Hotfoot 20 design. The boat was lengthened and the freeboard, mast height and beam increased. Swept spreaders and a jib roller furler were incorporated, the sail area increased, along with a redesigned keel. The coach house and deck were also redesigned.^[16]

The Ultimate 20 is a racing keelboat, built predominantly of vinylester and polyester fiberglass with a 0.375 in (9.5 mm) core of Baltek balsa. It has a fractional sloop rig with a deck-mounted retractable bowsprit, a raked stem, an open reverse transom, a transom-hung rudder controlled by a tiller and a lifting keel with a weighted bulb. The rudder is made from carbon fiber and fiberglass, with wooden reinforcement. The keel is raised and lowered by a winch. It displaces 1,100 lb (499 kg) and carries 450 lb (204 kg) of ballast.^[1]^[2]^[16]

The boat has a draft of 5.00 ft (1.52 m) with the keel extended and 0.67 ft (0.20 m) with it retracted, allowing operation in shallow water or ground transportation on a trailer.^[1]^[2]

The boat is normally fitted with a small outboard motor for docking and maneuvering.^[16]

The design has sleeping accommodation for four people, with a double "V"-berth in the bow cabin and a two straight settees in the main cabin.^[16]

For sailing downwind the design may be equipped with an asymmetrical spinnaker flown from the bowsprit.^[1]^[2]^[16]

The design has a hull speed of 5.69 kn (10.54 km/h) and a PHRF handicap of 138 to 159.^[2]^[3]^[17]

Operational history

The boat is supported by an active class club that organizes racing events, the U20 Class Association.^[18]^[19]

In a 1995 review for Practical Sailor, Darrell Nicholson wrote, "the boat is fairly forgiving but you have to think fast. While attempting to see how close we could sail to the wind, we nearly broached. Canepa yelled, 'We’re going over,' eased the sheet as we rounded up, then trimmed the chute as it filled on a downwind course. Total time to crash, burn, and recover was less than 15 seconds. The key to jibing, we learned, is the release of large amounts of sheet before the main comes across; this way the chute fills in front of the headstay before being blanketed by the main."^[16]

In a 2013 Sailing World review Dave Reed wrote, "the Ultimate 20's fans say it was cool way before sportboats were hip, and that even today, as the Jim Antrim design approaches its second decade, it offers one thing flashier new boats don't have: simplicity."^[7]

References

^ ^a ^b ^c ^d ^e McArthur, Bruce (2023). "Ultimate 20 sailboat". sailboatdata.com. Archived from the original on 16 March 2023. Retrieved 16 March 2023.
^ ^a ^b ^c ^d ^e ^f Sea Time Tech, LLC (2023). "Ultimate 20". sailboat.guide. Archived from the original on 16 March 2023. Retrieved 16 March 2023.
^ ^a ^b InterVisionSoft LLC (2019). "Sailboat Specifications for ULTIMATE 20". sailingjoy.com. Archived from the original on 13 January 2019. Retrieved 16 March 2023.
^ McArthur, Bruce (2022). "Jim Antrim". sailboatdata.com. Archived from the original on 4 January 2021. Retrieved 16 March 2023.
^ Sea Time Tech, LLC (2023). "Jim Antrim". sailboat.guide. Archived from the original on 16 March 2023. Retrieved 16 March 2023.
^ "Boat of the Year Winners (1985-2008)". Sailing World. 2008. Archived from the original on 6 March 2022. Retrieved 16 March 2023.
^ ^a ^b Reed, Dave (25 May 2013). "Ultimate 20: Ultimately Alive". Sailing World. Archived from the original on 16 March 2023. Retrieved 16 March 2023.
^ McArthur, Bruce (2022). "Schock W.D." sailboatdata.com. Archived from the original on 18 July 2020. Retrieved 16 March 2023.
^ Sea Time Tech, LLC (2023). "Schock W.D." sailboat.guide. Archived from the original on 23 December 2021. Retrieved 16 March 2023.
^ McArthur, Bruce (2022). "Abbott Boats Inc". sailboatdata.com. Archived from the original on 7 June 2020. Retrieved 16 March 2023.
^ Sea Time Tech, LLC (2023). "Abbott Boats Inc". sailboat.guide. Archived from the original on 16 March 2023. Retrieved 16 March 2023.
^ McArthur, Bruce (2022). "Ultimate Sailboats". sailboatdata.com. Archived from the original on 16 March 2023. Retrieved 16 March 2023.
^ Sea Time Tech, LLC (2023). "Ultimate Sailboats". sailboat.guide. Archived from the original on 16 March 2023. Retrieved 16 March 2023.
^ McArthur, Bruce (2022). "Moore Sailboats". sailboatdata.com. Archived from the original on 14 October 2020. Retrieved 16 March 2023.
^ Sea Time Tech, LLC (2023). "Moore Sailboats". sailboat.guide. Archived from the original on 25 July 2022. Retrieved 16 March 2023.
^ ^a ^b ^c ^d ^e ^f Nicholson, Darrell (15 October 1995). "Ultimate 20". Practical Sailor. Archived from the original on 16 March 2023. Retrieved 16 March 2023.
^ US Sailing (2023). "PHRF Handicaps". ussailing.org. Retrieved 16 March 2023.
^ McArthur, Bruce (2022). "U20 Class Association". sailboatdata.com. Archived from the original on 16 March 2023. Retrieved 16 March 2023.
^ Sea Time Tech, LLC (2023). "Ultimate 20 Class Association". sailboat.guide. Archived from the original on 16 March 2023. Retrieved 16 March 2023.