Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Centerboard Dinghy
Rigging Type: Fractional Sloop
LOA: 15.25 ft / 4.65 m
LWL: 12.50 ft / 3.81 m
S.A. (reported): 116.00 ft² / 10.78 m²
Beam: 5.25 ft / 1.60 m
Displacement: 275.00 lb / 125 kg
Max Draft: 3.16 ft / 0.96 m
Min Draft: 0.58 ft / 0.18 m
Construction: FG
First Built: 1961
Builder: Advance Sailboat Corp.
Designer: U. van Essen / Charles Teeter

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Sailboat Calculations

S.A. / Displ.: 43.93
Disp: / Len: 62.86
Comfort Ratio: 3.50
Capsize Screening Formula: 3.23
Hull Speed: 4.74 kn
Pounds/Inch Immersion: 234.49 pounds/inch

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Sailboat Links

Designers: Uus van Essen
Builders: Advance Sailboat Corp. (USA)
Download Boat Record:


The Demon is said to be a stretched version of the FLYING JUNIOR with added sail area. Charles Teeter was in-house designer and tool maker for Advance Sailboats Co.