| Width of single blackline |
53 in. |
| Width of firebreak |
You can make a firebreak of any width by successively burning parallel blacklines and then doing a controlled burn between these blacklines
|
| Blackline burned per hour |
With Burner |
± 0.5–1 mile per hour |
Using a second high-pressure handgun behind the last burning chamber achieves operational speeds at the top of the range |
| With Burner and Afterburner |
± 1–1.5 miles per hour |
| Propane gas consumption |
± 10 lb. per hour |
A DOT propane cylinder with fittings for liquid withdrawal is required.
A 100-lb. cylinder is typically used. |
| Water consumption |
± 280 gal. per mile under optimal conditions |
Less with the addition of chemical fire retardant.
Dependent on the wind. |
| Water supply (sprayer) |
Tank size |
Typically 150 gal. |
An inline filter is recommended |
| Pump pressure |
44–217 psi |
A Power Take-Off (PTO) pump is often used |
| Pump delivery rate |
Minimum of 5.8 gal. per minute |
| Fittings |
A manifold that can support 3 hoses is recommended |
Two high-pressure handguns are recommended |
| Power of towing vehicle |
A minimum of 80 hp to carry a 150-gal. water tank on the back of the vehicle |
Less if the water is carried on the front of the vehicle.
A tractor is often used. |
| Materials |
Burning chamber |
Stainless steel, lined with ceramic insulation wool |
| Skids |
Tempered steel |
| Size of Burner |
Weight |
± 1235 lb. |
Same for Afterburner.
Length excludes hitch.
|
| Dimensions |
Length: 136 in.
Width: 61 in.
Height: 84 in.
|
| Terrain |
Rocks up to 9.75 in. high can pass beneath the burning chamber |
Rocks higher than 9.75 in. should be cleared away. The towing vehicle should circumvent large rocks that cannot be moved.
Using an Afterburner in rocky terrain is not recommended.
|
| Grass length |
With Burner |
If longer than 3 ft., the grass should be cut |
Do not cut shorter than about 10 in. |
| With Burner and Afterburner |
Can exceed 3 ft. in length |
