Principal Dimensions and Basic Data for the boats that have been tested

Order tested 1 2 3 4
Boat Name Weaverbird Calisto Miranda Poppy
Boat Type Hunter Duette 23 Varne 27 Etap 23i Westerly Longbow
Hull data
LOA(ft) 22.75 27.75 22.44 31
LOA(m) 6.93 8.46 6.84 9.45
LWL(ft) 18.16 21 19.03 25
LWL(m) 5.54 6.4 5.8 7.62
Beam(ft) 8.5 9 8.17 9.5
Beam(m) 2.59 2.74 2.49 2.9
Draft (max)(ft) 3.08 4.25 4.8 4.5
Draft (max)(m) 0.94 1.3 1.46 1.37
Displ(lbs) 2745 6200 3306 9400
Displ(kg) 1245 2812 1500 4264
Ballast(lbs) 1435 2595 1036 4200
Ballast(kg) 651 1177 470 1905
Ballast Ratio 52.29 41.86 31.33 44.68
D/L calc 204.6 298.9 214.2 268.6
Rig data
SA (100% foretriangle of original design)
SA(ft2) 236.72 302.8 215.2 371
SA(m2) 22 28.13 20 34.46
Rig type when tested JR hinged battens Bermudan Aerojunk Split junk
SA of rig as tested
SA on test (ft2) 236.72 345.37 215.2 515
SA on test (m2) 22 32.1 20 47.5
SA/D on test 19.32 16.38 15.52 18.51
Correction factors
Sailing LWL calc 19.69 23.25 20.17 27
Sqrt Sailing LWL calc 4.44 4.82 4.49 5.2
Factor to Sqrt LWL of 5 1.13 1.04 1.11 0.96
Factor to SA/D of 18 0.93 1.1 1.16 0.97
Factors combined 1.05 1.14 1.29 0.94
Bottom condition
1=clean, 10 = heavy 1 3 3 1
Last scrub 1 week before test Little fouling Coppercoat, keel afd April 1 week before test
Propeller type Fixed O/B Fixed Fixed O/B Kiwi feathering




       " ...there is nothing - absolutely nothing - half so much worth doing as simply messing about in junk-rigged boats" 
                                                               - the Chinese Water Rat

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