Fractional Sloop
• Centerboard Dinghy
• Built 1928
Dimensions
LOA
18.16 ft
LWL
— ft
Beam
5.46 ft
Max Draft
3.75 ft
Min Draft
1.92 ft
Displacement
525 lbs
Ballast
— lbs
Performance Ratios
Capsize Ratio ⓘ
2.71
(use caution offshore)
SA/D Ratio ⓘ
49.2
D/L Ratio ⓘ
—
Ballast Ratio ⓘ
—
Sail Plan
Sail Area
200 sq ft
Construction
Hull Type
Centerboard Dinghy
Rig Type
Fractional Sloop
Hull Material
Wood or FG
Ballast Type
—
Production
First Built
1928
Last Built
—
Number Built
1500
Notes: Comissioned by the Seattle Yacht Club in 1928. \nOriginally called the 18' DEVELOPMENT CLASS FLATTIE, or just FLATTIE.\nThe first builder was the N.J. Blanchard Boat Company.\nRacing rules allow the use of 1 trapeze. No spinnaker.