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2. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...

3. Tinkertoy - Wikipedia

   en.wikipedia.org/wiki/Tinkertoy

   Caps, originally wooden, but later plastic, cylindrical pieces with a single blind axial hole snugly fitted to the rods. Couplings, small cylindrical pieces (originally wood; later plastic) approximately 1.35 inches (3.4 cm) long and slightly over 0.5 inches (1.3 cm) in diameter, with snug-fitting blind-drilled holes in either end, and a loose ...

4. Woodturning - Wikipedia

   en.wikipedia.org/wiki/Woodturning

   Long-term exposure to fine wood dust has also been linked with an increased risk of developing cancer. Ear protection – A lathe is a quiet machine compared to other power tools, but earplugs should be worn if noise is excessive. This may be due to motor (fan) noise from a shop dust collector or the combination of wood and tool being used.

5. Industrial fan - Wikipedia

   en.wikipedia.org/wiki/Industrial_fan

   Variable pitch axial fans – The blades on these axial fans are manually adjustable to permit the blade angle to be changed. This allows operation over a much wider range of volume/pressure relationships. The blades are adjusted periodically to optimize efficiency by matching the blade pitch to the varying conditions for the application.

6. Glossary of woodworking - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_woodworking

   A flat blade with a burred edge used for smoothing. carpentry caul A strip or block of wood used to distribute or direct clamping force. See batten. chainsaw chamfer chatoyance The effect seen in dramatic wood grain direction changes, as in flame figured maple. chip carving An incised surface decoration, usually geometric. chisel

7. Centrifugal fan - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_fan

   Figure 1: Components of a centrifugal fan An external motor belt driven inline centrifugal fan discharging inline to the exterior of a building through a duct. Unlike non-inline/non-concentric impeller casing design with a cutoff blade above, the concentrically symetric cylinder casing and impeller geometry of inline type redirects the outflow around so that it is parallel to the inflow of gases.

8. Axial fan design - Wikipedia

   en.wikipedia.org/wiki/Axial_fan_design

   An axial fan is a type of fan that causes gas to flow through it in an axial direction, parallel to the shaft about which the blades rotate. The flow is axial at entry and exit. The fan is designed to produce a pressure difference, and hence force, to cause a flow through the fan. Factors which determine the performance of the fan include the ...

9. Fan disk - Wikipedia

   en.wikipedia.org/wiki/Fan_disk

   Diagram of a fan disk Fan disk assembly diagram, showing one blade and attachment hardware Cross section of fan disk Failed fan disk recovered from the center engine of UAL 232. A fan disk is the central hub of a fan in a turbofan engine. Fan blades are attached to the fan disk, which is rotated by a shaft driven by a gas turbine. [1]