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BOATS

BOAT TESTS

Spencer 87

CONDITIONS DURING BOAT TEST

Air temperature: 80ºF; humidity: 78%; seas: 3 to 4 feet;

LOAD DURING BOAT TEST

4,150 gal. fuel, 550 gal. water, full stores.

TEST BOAT SPECIFICATIONS

Test Engine: 4/1,150-hp CAT C18 ACERT diesels

Transmission/Ratio: ZF 4000 pods, gear ratio 1.985:1

Props: ZF DG7 series props, 29x47

Price as Tested: $8,000,000

The Numbers

Spencer 87 - Final Boat Test Numbers:
RPM Knots GPH Range dB(A)
1000 15.6 32 1,820 N/A
1500 23.9 88 1,014 N/A
2000 35.0 198 660 86
2315 39.8 236 630 88
  Speeds are two-way averages measured w/ Furuno NavNet 3D GPS. GPH taken via Caterpillar electronic engine-monitoring system.
Range is 90% of advertised fuel capacity.
65dB(A) is the level of normal conversation.
Numbers were provided by a Caterpillar engineer from a sea trial conducted on the same day as the Power & Motoryacht test. 

 

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

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