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IMPALA 28-2 (THOMAS)

Fractional Sloop • Fin w/transom hung rudder • Built 1977–1984

Dimensions

LOA
28 ft
LWL
23.17 ft
Beam
9.25 ft
Max Draft
5.84 ft
Displacement
5,556 lbs
Ballast
1,876 lbs

Performance Ratios

Capsize Ratio ⓘ
2.09 (use caution offshore)
SA/D Ratio ⓘ
17.1
D/L Ratio ⓘ
199
Ballast Ratio ⓘ
33.8%

Sail Plan

Sail Area
335 sq ft
I
31 ft
J
9.25 ft
P
33.45 ft
E
11.45 ft

Construction

Hull Type
Fin w/transom hung rudder
Rig Type
Fractional Sloop
Hull Material
FG
Ballast Type
Cast iron with lead shoe

Production

First Built
1977
Last Built
1984
Number Built
155

Engine & Accommodations

Engine Make
Yanmar
Engine Model
1GM
Power
9 hp
Engine Type
Diesel
Notes:

Changes in the I.O.R. resulted in a lead shoe being added to avoid a ratings penalty. The lead shoe added 45.45 kg / 100 lbs to the ballast

1988 saw the introduction of the inboard diesel. The engine adopted was the YANMAR 1GM 9 HP.

In 1990, 250 lbs of lead added to the outboard to standardize both inboard and outboard C.H.S. ratings. Class rules has increased this to 160 kg / 353.5 lb

Displacement listed above is minimum for the outboard option. Class minimum displacement for the inboard option is 2,410 kg / 5,313 lbs

Designer

Builder

Class Associations

Related Boats

Name LOA (ft) Year Rig
IMPALA 28 (THOMAS) 28 1977 Fractional Sloop