Hull Type: Rigging Type:
Fin w/transom hung rudder Masthead Sloop
LOA: LWL: Beam:
Draft (max): Displacement: Ballast:
Construction: Years Built: # Built:
Fiberglass 1971-1972 238
Builder: Designer: *Designed as IOR 1/4 ton
Jensen Marine (USA) C. William Lapworth
Rig and Sail Particulars
P: 23.60 ft / 7.19 m E: 9.00 ft / 2.74 m I: 30.00 ft / 9.14 m J: 10.00 ft / 3.05 m
Engine
Accommodations
Galley
Electronics & Navigation
Electrical
Deck & Hull
Sails & Rigging
Other
The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.
This design was built by Cal Yachts, a brand of Jensen Marine. It was produced from 1971 to 1972 with 238 boats completed, but it is now out of production. The T/4 was the racing version of the Cal 24.
The Cal T/4 is a racing keelboat, built predominantly of fiberglass, with wood trim. It has a masthead sloop rig; a raked stem; a raised counter, reverse transom; a transom-hung rudder controlled by a tiller and a fixed fin keel. It displaces 4,000 lb (1,814 kg) and carries 2,000 lb (907 kg) of ballast.[1][3]
The boat has a draft of 4.00 ft (1.22 m) with the standard keel and is normally fitted with a small 3 to 6 hp (2 to 4 kW) outboard motor for docking and maneuvering. Cabin headroom is 63 in (160 cm), but the cockpit has 78 in (200 cm) of headroom under the boom.
Designed to race in the ¼ Ton Class has a PHRF racing average handicap of 234 and a hull speed of 6.1 kn (11.3 km/h).
The design was raced on some Quarter on Class races in the 1970s and 1980, but was not noted as winning any of the larger competitions.[3]
The boat is supported by an active racing club that organizes racing events, the Quarter Ton Class.[5]
In a 2010 review Steve Henkel wrote, "the boat was named the T/4 for her builder’s intent that she do well in Quarter Ton racing. (We think she did fairly well in the few official Quarter Ton races staged in the 1970s and 1980s but fell short of producing headlines.) Best features: With 4-foot-deep fin keel, spade rudder, and 50 percent ballast to displacement ratio, she could run rings around the competitors ... She has been described as an E-type Jag: robust, quick, agile, and fun. The high-aspect main is rigged far enough above the deck to give standing, headroom for tall people standing up in the cockpit (more than 6'6" clearance over the cockpit sole). Worst features: Compared with her competitors, she has less headroom below, a lower Space Index, and perhaps lower directional stability (because of her relatively high aspect ratio keel).
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