Saturday, November 26, 2011

Factory Reconditioned Ryobi ZR08510 25.4cc Gas-Powered Variable-Speed Hand-Held Blower/Vacuum/Mulcher

!±8± Factory Reconditioned Ryobi ZR08510 25.4cc Gas-Powered Variable-Speed Hand-Held Blower/Vacuum/Mulcher

Brand : Ryobi | Rate : | Price : $69.99
Post Date : Nov 26, 2011 10:05:24 | Usually ships in 1-2 business days


This is a factory reconditioned product. Reconditioned generally means that the product has been returned to the manufacturer, who brings the product back to like new condition. Some products may contain cosmetic blemishes. Includes 25.4-cc Gas Powered Variable Speed Hand Held Blower/Vacuum/Mulcher - ZR08510, Upper Blower Tube, Sweeper Nozzle, High Velocity Nozzle, Vacuum Handle, Vacuum Handle Knobs, Upper and Assembly, Vacuum Bag Adaptor, Operators Manual

More Specification..!!

Promotion Mattress Warming Pad

Tuesday, November 22, 2011

Eckman Petrol Wheeled Garden Leaf Vacuum, Blower & Shredder

The Eckman 2-stroke petrol-powered wheeled leaf vacuum, blower and shredder features an extra wide suction head and leaf-lifter brush to put an end to hours of back-breaking work struggling to sweep, rake and pick up leaves by hand.

Buy Maple Syrup Grade B Best Quality Brand New Evinrude Repair

Monday, November 7, 2011

Blower Fans

!±8± Blower Fans

Fans utilize power from a motor to generate a volumetric flow of air at a given pressure, and are considered low-pressure air pumps more often than not. A propeller converts torque (turning force) from the motor (typically permanent split capacitor AC induction motors or brushless DC) to increase static pressure across the fan rotor and to increase the kinetic energy of the air particles.

Fans are classified into propeller, tube axial and vane axial styles, and each type has different characteristics. Propeller fans consist of only a motor and propeller and therefore are the simplest. Tube axial are similar to propellers but has a venturi around the propeller to reduce the vortices. Vane axial fans are equipped with vanes that trail behind the propeller in the airflow to straighten the swirling flow.

The flow and pressure properties are the main differences between a fan and a blower. While fans deliver air in an overall direction that is parallel to the fan blade axis, blowers deliver air in a direction that is perpendicular to the blower axis. Hence, fans can be configured to deliver a high flow rate, working against low pressure while blowers to deliver a relatively low flow rate against high pressure. Centrifugal blowers can be squirrel cage type, have a forward curved wheel or a backward curved wheel.

Another major difference is in the mechanism regarding restriction to the air-flow. In a blower, it has an opposite effect on the same motor driving a fan blade. For instance, the load on the motor decreases when the motor is driving a squirrel cage blower. As the system becomes clogged, the blower speeds up. On the other hand, the load on the motor increases and the fan slows down as the airflow system becomes clogged with fan blades.


Blower Fans

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