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2. SpaceX Merlin - Wikipedia

   en.wikipedia.org/wiki/SpaceX_Merlin

   The Merlin 1B was enhanced over the 1A with a turbine upgrade, increasing power output from 1,500 kW (2,000 hp) to 1,900 kW (2,500 hp). [11] The turbine upgrade was accomplished by adding additional nozzles, turning the previously partial-admission design to full admission. Slightly enlarged impellers for both RP-1 and LOX were part of the upgrade.

3. Outboard motor - Wikipedia

   en.wikipedia.org/wiki/Outboard_motor

   Mercury Marine, Mercury Racing, Tohatsu, Yamaha Marine, Nissan and Evinrude each developed computer-controlled direct-injected two-stroke engines. Each brand boasts a different method of DI. Fuel economy on both direct-injected and four-stroke outboards measures from a 10 percent to 80 percent improvement compared with conventional two-strokes.

4. Mercury Marine - Wikipedia

   en.wikipedia.org/wiki/Mercury_Marine

   Headquarters A Mercury 50 HP outboard motor circa 1980 Six cylinder two-stroke engine in 1984. Mercury Marine is a marine engine division of Brunswick Corporation headquartered in Fond du Lac, Wisconsin. The main product line is outboard motors.

5. Radial engine - Wikipedia

   en.wikipedia.org/wiki/Radial_engine

   The first radial-configuration engine known to use a twin-row design was the 160 hp Gnôme "Double Lambda" rotary engine of 1912, designed as a 14-cylinder twin-row version of the firm's 80 hp Lambda single-row seven-cylinder rotary, however reliability and cooling problems limited its success.

6. Rolls-Royce Merlin - Wikipedia

   en.wikipedia.org/wiki/Rolls-Royce_Merlin

   1,585 hp (1,182 kW) at 3,000 rpm at 3,800 ft (1,200 m); low-altitude version with supercharger impeller "cropped" to 9.5 in (241 mm) in diameter. Permitted boost was +18 psi (125 kPa gauge; or an absolute pressure of 225 kPa or 2.2 atm) instead of +16 psi (110 kPa gauge; or an absolute pressure of 210 kPa or 2.08 atm) on a normal Merlin 50 engine.

7. Impeller - Wikipedia

   en.wikipedia.org/wiki/Impeller

   Several different types of pump impellers Flexible impeller of cooling system pump of an outboard engine (1 euro cent coin for comparison, diameter 16.25 mm). An impeller is a rotating component of a centrifugal pump that accelerates fluid outward from the center of rotation, thus transferring energy from the motor that drives the pump to the fluid being pumped.

8. Boydton, VA Weather - Hourly Forecasts and Local ... - AOL

   www.aol.com/weather

   Get the Boydton, VA local weather forecast by the hour and the next 10 days.

9. Contra-rotating propellers - Wikipedia

   en.wikipedia.org/wiki/Contra-rotating_propellers

   Contra-rotating propellers Contra-rotating propellers on the Rolls-Royce Griffon-powered P-51XR Mustang Precious Metal at the 2014 Reno Air Races. Aircraft equipped with contra-rotating propellers (CRP) [1] coaxial contra-rotating propellers, or high-speed propellers, apply the maximum power of usually a single piston engine or turboprop engine to drive a pair of coaxial propellers in contra ...