Alumaweld 19 Free Drifter Jet - BF90 Jet Tiller Testing Data

Performance Criteria
Single BF90 Jet Tiller

Manufacturer: Alumaweld
Wooldridge Model: 19 Free Drifter Jet
Length: 19'
Beam: 6' 6 "
Weight: 985 lbs.
Max HP: 80 Jet Tiller
Fuel Capacity: 37 gal.

Power: Single BF90 Jet Tiller
Horsepower: 90
Displacement: 1.5 L
Weight: 395 lbs.
Gear Ratio: 2.33:1
Mounting Height: 3rd Hole
Prop (Material/Blades) Aluminum
Impeller
Prop Manufacturer N/A
Prop (Diameter/Pitch)
73/8

Test Conditions
No. of People: 2
Fuel Load: 8 gal.
Total Weight: 1,873 lbs.
Air Temperature: 50o
Test Conditions Calm
Elevation: 132'
Wind Velocity: 0-5 mph

RPM MPH GPH MPG
Idle 1.8

1000 2

1500 4.4 0.8 5.5
2000 5.2 1.1 4.7
2500 5.8 1.4 4.1
3000 6.5 1.5 4.3
3500 8.3 2.5 3.3
4000 22.7 3.7 6.1
4500 26.3 7.1 3.7
WOT (5000) 31.2 8.6 3.6

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

Time to Plane: 4.91 Seconds
Acceleration 0~20 MPH: 7.53 Seconds

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