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BOATS

BOAT TESTS

Three Hunts Provide Propulsion Testing Platform

TEST BOAT SPECIFICATIONS

Test Engine: (2/435-hp Volvo D6 diesels); (2/300-hp Volvo D4 diesels)

The Numbers

Just the Facts Please

Analyzing The Data Reveals The Pros and Cons of Each Package.


The Inboard (2/435-hp Volvo D6 diesels)

Total Fluid Load: 1,256 lb.—129 gal. fuel (922 lb.) and 40 gal. water (334 lb.)
Total Boat Weight (official weight plus Total Fluid Load): 14,688 lb. 

Top Speed: 39 knots @ 3620 rpm, burning 42 gph for 0.93 nmpg

Cruising speed: 32.8 knots @ 3000 rpm, burning 25 gph for 1.31 nmpg
Cruising Speed: 26.9 knots @ 2500 rpm, burning 16 gph for 1.68 nmpg

Inboard Volvo D6 Diesels
Simplicity is the key to the conventional setup, particularly on the underwater side. Props, struts, shafts, rudders ... that’s basically it.
Hunt Harrier 36
Inboard Volvo D6 Diesels
RPM KNOTS GPH RANGE dB(A)
1000 8.0 1.5 1,193 76
1500 11.2 5.9 426 79
2000 18.5 10.0 417 83
2500 26.9 16.0 378 84
3000 32.8 25.0 295 85
3620 39.0 42.0 209 89

 


The Waterjet (2/435-hp Volvo D6 diesels)

Total Fluid Load: 1,977 lb.—218 gal. fuel (1,559 lb.) and 50 gal. water (418 lb.)
Total Boat Weight (official weight plus Total Fluid Load): 15,921 lb. 

Top speed: 39.7 knots @ 3540 rpm, burning 43 gph for 0.92 nmpg

Cruising speed: 29.5 knots @ 3000 rpm, burning 26 gph for 1.14 nmpg

Cruising speed: 17.3 knots @ 2500 rpm, burning 15 gph for 1.16 nmpg

435-hp Volvo D6 diesels
Fun is the essence of jets. They run in shallower water than most other systems and often produce sports-car-type handling.
Hunt Harrier 36 Waterjet
(2/435-hp Volvo D6 diesels)
RPM KNOTS GPH RANGE dB(A)
1000 5.7 1.3 986 74
1500 7.6 3.1 552 76
2000 9.3 8.9 234 78
2500 17.3 15.0 260 82
3000 29.5 26.0 255 85
3540 39.7 43.0 207 88

 


The IPS (2/300-hp Volvo D4 diesels)

Total Fluid Load: 1,315 lb.—150 gal. fuel (1,073 lb.) and 29 gal. water (242 lb.)
Total Boat Weight (official weight plus Total Fluid Load): 16,671 lb. 

Top speed: 34.3 knots @ 3400 rpm, burning 29 gph for 1.18 nmpg

Cruising speed: 29.8 knots @ 3000 rpm, burning 21 gph for 1.42 nmpg

Cruising speed: 23 knots @ 2500 rpm, burning 15 gph for 1.53 nmpg

300-hp Volvo D4 diesels
Maneuverability is the IPS forte. Add a trusty joystick and there’s almost no maneuvering situation you can’t easily handle.
Hunt Harrier 36 IPS
(2/300-hp Volvo D4 diesels)
RPM KNOTS GPH RANGE dB(A)
1000 7.3 2.0 817 74
1500 9.7 5.9 368 77
2000 15.8 9.8 363 79
2500 23.0 15.0 345 84
3000 29.8 21.0 320 84
3400 34.3 29.0 266 86

 

This article originally appeared in the September 2012 issue of Power & Motoryacht magazine.

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