BOATS

BOAT TESTS

Intrepid 475 Sport Yacht

By Kevin Koenig

TEST BOAT SPECIFICATIONS

Test Engine: 4/350-hp Yamaha V8s

Transmission/Ratio: Yamaha gears w/ 1.73:1

Props: Yamaha XL SDS 15x19 props

Price as Tested: $750,000

The Numbers

 

Intrepid 475 Sport Yacht - Final Boat Test Numbers:
rpm mph knots gph mpg nmpg range nm range db angle
1000 7.8 6.6 13.2 0.59 0.51 257 224 68 1.0
2000 11.5 9.8 18.6 0.62 0.54 269 234 72 3.5
3000 24.1 20.5 36.2 0.67 0.58 290 252 82 4.5
4000 37.9 32.2 53.0 0.72 0.62 311 271 86 4.5
5000 50.9 43.3 85.4 0.60 0.52 260 226 89 3.5
6000 60.2 51.2 135.4 0.44 0.39 194 168 93 2.5
  Speeds are two-way averages measured w/ Stalker radar gun. GPH taken via Yamaha 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

Blue Sea 60-Hz shore power system
additional Super Switches for high-water alarms
custom dual-pedestal helm seat w/ electric controls
custom textured dash paint
dive door in port hullside
easy access remote dipstick for generator
fiberglass arch w/ hardtop and six lights
helm fire extinguisher fixed in fiberglass bucket
high/low electrically actuated V-berth table
hot and cold box shower in transom
4/Racor fuel filters
removable rear bench seat
Yamaha fuel filters

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

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