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A Factual Report From Mercury Marine

Boat House Bulletin Review

Engine:

Single 8.2 MAG ECT Mercury® MerCruiser®

Boat:

Chris-Craft - Launch 25

Prop:

Bravo Three®

8.2 MAG ECT
Select Units:

Performance Summary

Best Fuel Economy (MPG@RPM) Best Fuel Economy (L/100km@RPM) Best Fuel Economy (L/nm@RPM)
  • 2.8 @ 3000
  • 84.0 @ 3000
  • 0.6 @ 3000
Top Speed (MPH@RPM) Top Speed (KPH@RPM) Top Speed (kts@RPM)
  • 56.5 @ 4800
  • 90.9 @ 4800
  • 49.1 @ 4800
Acceleration 0 - 20 MPH (seconds)
  • 4.72
Acceleration 0 - 30 MPH (seconds)
  • 7.15
RPM Range Speed (MPH / kts) Speed (KPH / kts) Fuel (GPH) Fuel (LPH) Fuel (MPG) Fuel (L/100km) Range (miles) Range (km) Range (nm) Sound (dBA)
1000 6.4 / 5.6 10.3 / 5.6 2.8 10.6 2.3 102.3 - - - -
2000 14.4 / 12.5 23.2 / 12.5 7.2 27.3 2.0 117.6 - - - -
3000 32.6 / 28.3 52.5 / 28.3 11.7 44.3 2.8 84.0 - - - -
3500 39.7 / 34.5 63.9 / 34.5 15.8 59.8 2.5 94.1 - - - -
4000 47.1 / 40.9 75.8 / 40.9 21.7 82.1 2.2 106.9 - - - -
4500 53.0 / 46.1 85.3 / 46.1 28.4 107.5 1.9 123.8 - - - -
4800 56.5 / 49.1 90.9 / 49.1 32.1 121.5 1.8 130.7 - - - -

Performance Curve

GPH MPH MPG
LPH KPH L/100km

Test Conditions

Test Date
  • 2013-07-11
Test Conductor
  • AF/SS
Sea State
  • Calm
Air Temperature
  • 96 °F
  • 36 °C
Wind Velocity
  • 8 MPH
  • 13 KPH
  • 7 kts
Water Type
  • Salt
Fuel Level at Testing
  • 83 gallons
  • 314 liters
Boat Weight as Tested
  • 5105 lbs
  • 2316 kg

Engine Specifications

Number of Engines
  • Single
Engine
  • 8.2 MAG ECT Mercury® MerCruiser®

Boat Specifications

Manufacturer
  • Chris-Craft
Website
Boat Model
  • Launch 25
Boat Type
  • Runabout - open bow
Material
  • Fiberglass
Length
  • 27 ft 2 in
  • 8.3 m
Beam
  • 8 ft 6 in
  • 2.6 m
Max HP Capacity
  • 430
Fuel Tank Capacity
  • 77.0 gallons
  • 291 liters
Steering Type
  • MerCruiser Power Steering
Dry Boat Weight
  • 5105 pounds
  • 2315.6 kg

Propeller Specifications

Part Number
  • 8M8022460
Mercury Name
  • Bravo Three®
Material
  • Stainless Steel
Diameter / Pitch
  • 15.0 / 28.0
Number of Blades
  • 4
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