BOATS

BOAT TESTS

Marlow 61E MK 2

By Chris Caswell

CONDITIONS DURING BOAT TEST

Air temperature: 84ºF; humidity: 80%; seas: 3 to 4 feet;

LOAD DURING BOAT TEST

800 gal. fuel, 300 gal. water; 4 persons.

TEST BOAT SPECIFICATIONS

Test Engine: 2/1,015-hp Caterpillar C18 diesels

The Numbers

Marlow 61E MK 2 - Final Boat Test Numbers:
RPM	Knots	GPH*	Range	dB(A)
600	5.9	4	1,991	60
900	9.3	9	1,395	62
1200	11.3	22	693	66
1650	15.8	50	426	66
1900	20.4	69	399	70
2100	24.0	88	368	72
2300	27.2	106	346	72
*GPH calculation includes running 1 x 17 kW generator. Speeds are two-way averages measured w/Garmin display. GPH estimates taken via Caterpillar display. Range is 90% of advertised fuel capacity. Sound levels taken at lower helm. 65 dB(A) is the level of normal conversation.

OPTIONAL EQUIPMENT ON TEST BOAT

Notable Optional Equipment: Folding electronics arch
two-stateroom interior
2/1,015-hp Caterpillar C18 diesels
Xenta joystick controls
Side-Power stern thruster
Garmin electronics
FLIR night vision
Sea Recovery Aqua Matic watermaker
Seatorque shafts.

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