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2. Cox model engine - Wikipedia

   en.wikipedia.org/wiki/Cox_model_engine

   This was the secret to its slightly higher power output. The 1969 and later RC version with throttle sleeve had two bypass #1 cylinder making them slightly more powerful again to make up for power losses due to the exhaust throttle sleeve. [14] 1966 QZ (Cat#450 - manufactured 1966–1996) QZ stands for Quiet Zone.

3. Thimble tube boiler - Wikipedia

   en.wikipedia.org/wiki/Thimble_tube_boiler

   One rare use of the thimble tube boiler as a directly fired power generator was an experiment fitting to Leyland steam wagons in 1920. [ 7 ] [ 8 ] This coke -fired boiler was 2 feet (0.61 m) diameter by 2.75 feet (0.84 m) height and has 128 tubes. [ 7 ]

4. Turbine blade - Wikipedia

   en.wikipedia.org/wiki/Turbine_blade

   The turbine blades have a golden colour in this engine cutaway. A turbine blade is a radial aerofoil mounted in the rim of a turbine disc and which produces a tangential force which rotates a turbine rotor. [2] Each turbine disc has many blades. [3] As such they are used in gas turbine engines and steam turbines.

5. 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.

6. Thimble - Wikipedia

   en.wikipedia.org/wiki/Thimble

   A thimble Der Fingerhüter (Thimblemaker) from Das Ständebuch by Jost Amman, 1568. A thimble is a small pitted cup worn on the finger that protects it from being pricked or poked by a needle while sewing. The Old English word þȳmel, the ancestor of thimble, is derived from Old English þūma, the ancestor of the English word thumb. [1]

7. Kaplan turbine - Wikipedia

   en.wikipedia.org/wiki/Kaplan_turbine

   A Bonneville Dam Kaplan turbine after 61 years of service. The Kaplan turbine is a propeller-type water turbine which has adjustable blades. It was developed in 1913 by Austrian professor Viktor Kaplan, [1] who combined automatically adjusted propeller blades with automatically adjusted wicket gates to achieve efficiency over a wide range of flow and water level.