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BOATS

BOAT TESTS

Hatteras GT60 vs. Knit Wits

CONDITIONS DURING BOAT TEST

Air temperature: 80ºF; humidity 79%; seas: 3-4'; wind: 13-15 knots

LOAD DURING BOAT TEST

1,200 gal. fuel, 200 gal. water, 2 persons, 200 lbs. gear

TEST BOAT SPECIFICATIONS

Test Engine: 2/1,900-hp Caterpillar C32 ACERT diesel inboards

Transmission/Ratio: ZF3150 A; 2.47:1 ratio

Props: 40 x 68 5-blade Nibral Michigan Wheel

Price as Tested: Upon Request

The Numbers

Hatteras GT60 - Final Boat Test Numbers:
RPM KNOTS GPH RANGE dB(A)
600 9.1 10.0 1,229 76
1000 13.2 40.0 446 85
1250 18.8 70.0 363 86
1500 25.7 98.0 354 89
1750 31.3 130.0 325 90
2000 36.7 166.0 298 93
2235 40.2 200.0 271 93
Test Conditions: Air temperature: 80ºF; humidity 79%; seas: 3-4'; wind: 13-15 knots; load: 1,200 gal. fuel, 200 gal. water, 2 persons, 200 lbs. gear. Speeds are two-way averages measured w/ Garmin display. GPH estimates taken via Caterpillar display. Range based on 90% of advertised fuel capacity. Decibels measured at upper helm on A scale. 65 dB(A) is the level of normal conversation.

Noteworthy Options: Pipewelders tower; engine upgrade; additional 21.5-kW Cummins Onan genset (pricing upon request).

Knit Wits - Final Boat Test Numbers:
RPM KNOTS GPH RANGE dB(A)
550 4.9 2.0 714 72
1000 7.3 5.0 426 78
1250 8.5 7.0 354 78
1500 10.7 9.0 347 79
1750 10.9 10.0 318 79
2000 15.1 14.0 315 79
2250 18.5 17.5 308 81
2500 20.9 20.0 305 82
2600 22.7 22.0 301 83
Test Conditions: Air temperature: 80ºF; humidity 79%; seas: flat calm; wind: 4-8 knots; load: 300 gal. fuel, 200 gal. water, 2 persons, 200 lb. gear. Speeds are two-way averages measured w/ Garmin GPS. GPH estimates taken via Detroit Diesel fuel curves. Range based on 90% of advertised fuel capacity. Decibels measured at upper helm on A scale. 65 dB(A) is the level of normal conversation.

Noteworthy Options (prices circa 1960): Pompanette Marlin fighting chair ($555); Lee 8' outriggers w/25' aluminum poles ($425); 2/Lee rodholders ($24); Bimini top ($400); curtains and soft goods for trunk cabin, pilothouse, and two staterooms ($450).

This article originally appeared in the July 2014 issue of Power & Motoryacht magazine.

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