ALPA A9

About Characteristics

Main

Appendages

Fin Keel

Construction

First built hull

1967

Hull type

Monohull

Last built hull

1970

Model

ALPA A9

Sailboat builder

Alpa

Sailboat designer

Illingworth & Associates

Dimensions

Ballast weight

1650.0

Beam

2.7

Displacement

3900.0

Draft

1.6

Max Draft

1.6

Overall length

9.09

Waterline length

6.7

Sails

3.4

Est. Forestay Length

11.39

Fore area

16.73

10.98

3.05

Mainsail area

16.11

9.48

Total area

32.89

Engine

Engine(s) power

20.0

Engines amount

Fuel tank capacity

87.0

Fuel type

Diesel

Make

Farymann

Performance

Ballast ratio

42.31

Capsize Screening Formula

1.73

Comfort Ratio

29.87

Critical hull speed

6.28

Displacement-length ratio (DLR)

361.47

Upwind sail area to displacement

13.54

Accomodation

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ALPA A9

Main

Dimensions

Sails

Engine

Performance

Accomodation

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