Performance Criteria
Single BF225
| Manufacturer: | Northwest Jet |
| Model: | Jet 21 Lightning OB Soft Top |
| Length: | 21' |
| Beam: | 8' 6" |
| Weight: | 2,750 lbs. |
| Max HP: | 250 |
| Fuel Capacity: | 70 gal. |
| Power: Single BF225 | |
| Horsepower: | 225 |
| Displacement: | 3.5 L |
| Weight: | 589 lbs. |
| Gear Ratio: | 1.86:1 |
| Mounting Height: | Bottom |
| Prop. (Material/Blades) | Stainless (3) |
| Prop. Manufacturer | Powertech |
| Prop. (Dia/Pitch) | 15 1/4 x 19 |
| Test Conditions | |
| No. of People: | 2 |
| Fuel Load | 35 gal. |
| Total Weight: | 4,053 lbs. |
| Air Temperature: | 65oF |
| Test Conditions: | Calm |
| Elevation: | 400' |
| Wind Velocity: | 0-5 mph |
| RPM | MPH | GPH | MPG |
| Idle | 3.6 | .6 | 6 |
| 1000 | 5.2 | .7 | 6.5 |
| 1500 | 7.3 | 1.4 | 5.2 |
| 2000 | 9.8 | 2.5 | 3.9 |
| 2500 | 17.1 | 3.2 | 5.3 |
| 3000 | 25.2 | 4.5 | 5.6 |
| 3500 | 29.9 | 5.8 | 5.2 |
| 4000 | 34.6 | 7.3 | 4.7 |
| 4500 | 38.7 | 9.6 | 4 |
| 5000 | 43 | 15.3 | 2.8 |
| 5500 | 47.1 | 17.3 | 2.7 |
| 6000 | 49.9 | 18.5 | 2.7 |
| WOT (6300) |
51.6 | 20.1 | 2.6 |
Time to Plane: 3.69 Seconds
Acceleration 0~20 MPH: 4.25 Seconds
Data may vary due to changes in weather,
elevation and load conditions. Speed
data gathered by GPS receiver