BOATS

BOAT TESTS

Marquis 42 Sportbridge

By Capt. Bill Pike

TEST BOAT SPECIFICATIONS

Test Engine: 2/435-mhp Volvo Penta IPS600s

Transmission/Ratio: IPS-E gears/ 1.82:1 ratio

Props: IPS T3 propsets

Price as Tested: $920,000

The Numbers

Marquis 420 Sport Bridge - Final Boat Test Numbers:
rpm	mph	knots	gph	mpg	nmpg	range	nm range	db	angle
1000	7.7	6.7	1.6	4.78	4.16	1291	1123	60	0.0
1500	9.9	8.6	6.1	1.62	1.41	438	381	65	0.5
2000	12.2	10.6	14.5	0.84	0.73	226	197	68	3.0
2500	19.3	16.8	23.0	0.84	0.73	227	197	72	3.5
3000	27.9	24.2	29.5	0.94	0.82	255	222	72	3.5
3500	36.6	31.8	40.0	0.91	0.79	247	215	74	3.0
3630	37.8	32.9	43.5	0.87	0.76	235	204	76	3.0
	Speeds are two-way averages measured w/ Stalker radar gun. GPH taken via Volvo Penta digital monitoring display. Range 90% of advertised fuel capacity. Decibels measured on A scale. 65 dB-A is the level of normal conversation.

OPTIONAL EQUIPMENT ON TEST BOAT

Raymarine ST70 autopilot w/ remote
Raymarine electronics (including E90W multifunction nav display, 240 VHF, and DSM 300 sonar module)
Avanti ice maker
Marquis lead-crystal glasses, china, and flatware
Glendinning CableMaster
upgrade to 13kW Kohler generator
teak decks on cockpit, swim platform, and flying-bridge stairs

This article originally appeared in the November 2011 issue of Power & Motoryacht magazine.