Hewes Craft Sportsman 18 - BF90 Testing Data

Performance Criteria
Single BF90

Manufacturer: Hewes Craft
Model: Sportsman 18
Length: 18'
Beam: 7'10"
Weight: 1,100 lbs.
Max HP: 115
Fuel Capacity: 24 gal.


Power: Single BF90
Horsepower: 90
Displacement: 1.5 L
Weight: 359 lbs.
Gear Ratio: 2.33:1
Mounting Height: 2nd Hole
Prop. (Material/Blades) Aluminum (3)
Prop. Manufacturer Solas
Prop. (Dia/Pitch) 13 1/4 x 17


Test Conditions
No. of People: 2
Fuel Load 8 gal.
Total Weight: 1,878 lbs.
Air Temperature: 65oF
Test Conditions: Calm
Elevation: 1280'
Wind Velocity: 0-5 mph

RPM MPH GPH MPG
Idle 3    
1000 4.4    
1500 6 0.8 7.5
2000 7.6 1.4 5.4
2500 11.2 2 5.6
3000 17.9 2.5 7.2
3500 22.4 2.8 8
4000 26.3 5.3 5
4500 30.1 6.6 4.6
5000 34.2 8.3 4.1
5500 39.7 9 4.4
6000 N/A N/A N/A
WOT 39.7 9 4.4

Time to Plane: 4.15 Seconds

Acceleration 0~20 MPH: 5.3 Seconds

Data may vary due to changes in weather,
elevation and load conditions. Speed
data gathered by GPS receiver

  • share: