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2. Ducted fan - Wikipedia

   en.wikipedia.org/wiki/Ducted_fan

   The high-bypass turbofan engines used on many modern airliners is an example of a very successful and popular use of ducted fan design. The duct increases thrust efficiency by up to 90% in most cases [citation needed], in comparison to a similar-sized propeller in free air. Ducted fans are quieter, and offer good opportunities for thrust vectoring.

3. 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.

4. Fenestron - Wikipedia

   en.wikipedia.org/wiki/Fenestron

   By placing the fan within a duct, several distinct advantages over a conventional tail rotor are obtained, such as a reduction in tip vortex losses and the potential for substantial noise reduction, while also shielding both the tail rotor itself from collision damage and ground personnel from the hazard posed by a traditional spinning rotor ...

5. List of Ford engines - Wikipedia

   en.wikipedia.org/wiki/List_of_Ford_engines

   2004–2011;The 2.5 Duratec is an inline 5 engine used in the Ford Focus ST225,Kuga,S-Max ST and various Volvo T5 models.It features DOHC, 20 valves and Ti-VCT.It displaces 2521cc and produces 166 kW (225hp) and 320 N.m (236lb.ft) in the ST or 227 kW (305hp) and 440 N.m (324.5lb.ft) in the Focus RS, or even up to 257kW (345hp) and 460 N.m ...

6. Detroit Diesel Series 71 - Wikipedia

   en.wikipedia.org/wiki/Detroit_Diesel_Series_71

   The inline six-cylinder 71 series engine was introduced as the initial flagship product of the Detroit Diesel Engine Division of General Motors in 1938.. This engine was in high demand during WWII, necessitating a dramatic increase in output: about 57,000 6-71s were used on American landing craft, including 19,000 on LCVPs, about 8,000 on LCM Mk 3, and about 9,000 in quads on LCIs; and 39,000 ...

7. Second Trump Term Could Increase Cost of Clothing ... - AOL

   www.aol.com/finance/second-trump-term-could...

   The most shocking item on the list was toys, which would be impacted with a 55.8% price hike, costing shoppers $8.8 billion to $14.2 billion more in costs, all because the tariffs “would be too ...