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A Factual Report From Mercury Marine

Boat House Bulletin Review

Engine:

115 hp OptiMax® & Pro XS™

Boat:

Crestliner - 1850 Fish Hawk SC

Prop:

Black Max®

115 hp
Select Units:

Performance Summary

Best Fuel Economy (MPG@RPM) Best Fuel Economy (L/100km@RPM)
  • 5.6 @ 3500
  • 42.0 @ 3500
Top Speed (MPH@RPM) Top Speed (kts@RPM)
  • 41.6 @ 5700
  • 36.2 @ 5700
Acceleration 0 - 20 MPH (seconds) Acceleration 0 - 32 kts (seconds)
  • 4.4
Acceleration 0 - 30 MPH (seconds) Acceleration 0 - 48 kts (seconds)
  • 6.9
RPM Range Speed (MPH / kts) Speed (KPH / kts) Fuel (GPH) Fuel (LPH) Fuel (MPG) Fuel (L/100km)
1000 4.3 / 3.7 6.9 / 3.7 0.3 1.1 14.3 16.4
2000 7.4 / 6.4 11.9 / 6.4 1.4 5.3 5.3 44.4
3000 18.0 / 15.7 29.0 / 15.7 3.2 12.1 5.6 42.0
3500 22.5 / 19.6 36.2 / 19.6 4.0 15.1 5.6 42.0
4000 27.0 / 23.5 43.5 / 23.5 5.0 18.9 5.4 43.6
4500 30.7 / 26.7 49.4 / 26.7 6.4 24.2 4.8 49.0
5000 35.6 / 31.0 57.3 / 31.0 7.3 27.6 4.9 48.0
5500 40.0 / 34.8 64.4 / 34.8 8.8 33.3 4.5 52.3
5700 41.6 / 36.2 66.9 / 36.2 9.1 34.4 4.6 51.1

Performance Curve

GPH MPH MPG
LPH KPH L/100km

Test Conditions

Test Date
  • 2013-06-04
Test Conductor
  • MS/SV
Elevation
  • 1261 ft
  • 384 m
Air Temperature
  • 60 °F
  • 16 °C
Wind Velocity
  • 0 - 5 MPH
  • 0 - 8 KPH
  • 0 - 4 kts
Water Type
  • Fresh
Fuel Level at Testing
  • 6 gallons
  • 23 liters
Boat Weight as Tested
  • 1511 lbs
  • 685 kg

Engine Specifications

Engine
  • 115 hp OptiMax® & Pro XS™
HP / kW
  • 115 / 84.5
Engine type
  • Inline 3
Gearcase ratio
  • 2.07:1

Boat Specifications

Manufacturer
  • Crestliner
Website
Boat Model
  • 1850 Fish Hawk SC
Boat Type
  • Aluminum - console
Material
  • Aluminum
Length
  • 18 ft 1 in
  • 5.5 m
Beam
  • 7 ft 10 in
  • 2.4 m
Max HP Capacity
  • 150
Fuel Tank Capacity
  • 32.0 gallons
  • 121 liters
Steering Type
  • Mechanical
Dry Boat Weight
  • 1511 pounds
  • 685.4 kg
Mounting Bolt Hole
  • 2

Propeller Specifications

Part Number
  • 77344A45
Mercury Name
  • Black Max®
Pitch
  • 17.0
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