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A Factual Report From Mercury Marine

Boat House Bulletin Review

Engine:

8.2 MAG H.O. ECT Mercury® MerCruiser®

Boat:

Cobalt - 302

Prop:

Bravo Three®

8.2 MAG H.O. ECT
Select Units:

Performance Summary

Best Fuel Economy (MPG@RPM) Best Fuel Economy (L/100km@RPM)
  • 1.6 @ 3000
  • 147.0 @ 3000
Top Speed (MPH@RPM) Top Speed (kts@RPM)
  • 60.8 @ 5000
  • 52.9 @ 5000
Acceleration 0 - 20 MPH (seconds) Acceleration 0 - 32 kts (seconds)
  • 4.7
Acceleration 0 - 30 MPH (seconds) Acceleration 0 - 48 kts (seconds)
  • 7.84
RPM Range Speed (MPH / kts) Speed (KPH / kts) Fuel (GPH) Fuel (LPH) Fuel (MPG) Fuel (L/100km)
1000 7.0 / 6.1 11.3 / 6.1 5.2 19.7 1.3 180.9
2000 16.6 / 14.4 26.7 / 14.4 14.4 54.5 1.2 196.0
3000 35.8 / 31.1 57.6 / 31.1 22.5 85.2 1.6 147.0
3500 42.5 / 37.0 68.4 / 37.0 31.2 118.1 1.4 168.0
4000 49.8 / 43.3 80.1 / 43.3 44.4 168.1 1.1 213.8
4500 55.6 / 48.4 89.5 / 48.4 58.2 220.3 1.0 235.2
5000 60.8 / 52.9 97.8 / 52.9 74.4 281.6 0.8 294.0

Performance Curve

GPH MPH MPG
LPH KPH L/100km

Test Conditions

Test Date
  • 2013-09-04
Test Conductor
  • DH - SS
Air Temperature
  • 93 °F
  • 34 °C
Water Type
  • Salt
Fuel Level at Testing
  • 150 gallons
  • 568 liters
Boat Weight as Tested
  • 9980 lbs
  • 4527 kg

Engine Specifications

Engine
  • 8.2 MAG H.O. ECT Mercury® MerCruiser®

Boat Specifications

Manufacturer
  • Cobalt
Website
Boat Model
  • 302
Boat Type
  • Runabout - open bow
Material
  • Fiberglass
Length
  • 31 ft 6 in
  • 9.6 m
Beam
  • 9 ft 11 in
  • 3.0 m
Max HP Capacity
  • 860
Fuel Tank Capacity
  • 150.0 gallons
  • 568 liters
Steering Type
  • MerCruiser Power Steering
Dry Boat Weight
  • 9980 pounds
  • 4526.9 kg
Mounting Bolt Hole
  • n/a

Propeller Specifications

Part Number
  • 8M8022440
Mercury Name
  • Bravo Three®
Pitch
  • 26.0
Part Number
  • 8M8022450
Mercury Name
  • Bravo Three®
Pitch
  • 26.0
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