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The Legs on VENTRY® Fans...
- Allow airstream to be aimed high over common obstacles (porches, stairs, snow) and into elevated or awkward openings
- Lock and adjust independently, with the turn of a knob, to allow fast, accurate aiming and infinite tilt angles without cribbing!
- Eliminate any possibility of the fan plugging with leaves or picking up and shooting sand and rocks into the scene.
- Retract for easy transport and small storage size (see sizes)
- Extend in a few seconds (see demo videos)
- Lift fan controls up within easy, natural reach of the operator
- Increases air supply and therefore air volume by raising the propeller up and away from the ground so it is not trying to pull its air supply out of the dirt
- Allow set up off to the side, out of the way, leaving sidewalk and entry/exit path clear for firefighters and victims
- Stand solid on uneven terrain like landscaping, hills, snow, mud, and stairs
- Straddle scene debris, clutter, hose, and other obstacles
- Prevent the suction and projectile of ground debris into the air stream
- Are engineered for safety and strength, so are robust without being bulky
- Asymmetrical design is engineered to balance the forces of the engine and propeller evenly, without walking or rotating
- Make maintenance easier for the mechanic
- Should always be extended when in use!
Fire fighters were using a conventional fan* during ventilation training and noticed from the backside of the structure that not much air was coming out. When they checked on the fan, they found that it had sucked in leaves from all around in a 15-foot radius and was plugged, because it was on the ground. That won’t be a problem with their new VENTRY Fan! ~ As told by Fire Fighter Purk in Oak Harbor, Ohio
*Conventional fans refer to all fans which operate within a foot of the ground.
All VENTRY Fans have legs. They always have and always will because...
John Neils explained this further below...
“When I joined our volunteer fire department in the late 80s, the Chief ‘volunteered’ me to build a PPV fan for the department.
“Two problems with existing fans were obvious. First was the problem of aiming the airstream over obstacles like entry steps, especially at mobile home fires. The second was ground debris being sucked into the fan. . . Every student pilot learns not to run up his/her engine over loose gravel; it gets sucked in, wrecks your prop, and gets batted through the windshield of the Lear jet (which costs twice as much as your airplane)! The solution to both problems was to elevate the fan. The problem would then be to handle the high thrust created by a properly designed prop (a story in itself).
“The solution was our curved leg design, and good enough that we were granted a patent. As the curved legs are extended, the fan base widens, adding stability and handling the thrust. Also, with a VENTRY fan, your people can decide to elevate a little or a lot as the situation requires.”
VENTRY Fans versus conventional ground huggers