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2. Two-stroke oil - Wikipedia

   en.wikipedia.org/wiki/Two-stroke_oil

   Unlike a four-stroke engine, the crankcase of which is closed except for its ventilation system, a two-stroke engine uses the crankcase as part of the induction tract, so oil must be mixed with gasoline to be distributed throughout the engine for lubrication. [1] The resultant mix is referred to as premix or petroil. [2]

3. Cleveland Diesel Engine Division - Wikipedia

   en.wikipedia.org/wiki/Cleveland_Diesel_Engine...

   The engines operates on the 2-stroke cycle principle, are air started, and are rated at 1600 bhp at 756 rpm on the 16-248 and 750 rpm on the 16-278A. The size of the bore and stroke of the 16-248 engine is 8 + 1 ⁄ 2 inches and 10 + 1 ⁄ 2 inches respectively as compared to 8 + 3 ⁄ 4 inches and 10 + 1 ⁄ 2 inches for Model 16-278A.

4. Two- and four-stroke engines - Wikipedia

   en.wikipedia.org/wiki/Two-_and_four-stroke_engines

   The M4+2 engine, also known as the double-piston internal combustion engine, is a type of internal combustion engine invented by Polish patent holder Piotr Mężyk. [1] The M4+2 engine took its name from a combination of two-stroke engines and four-stroke engines. The two-stroke combustion engine is characterized by a simple construction and ...

5. Four-stroking - Wikipedia

   en.wikipedia.org/wiki/Four-stroking

   Four-stroking is a condition of two-stroke engines where combustion occurs every four strokes or more, rather than every two. Though normal in some instances at idle, extremely high engine speeds, and when letting off the throttle, such firing is uneven, noisy and may, in cases of malfunction, damage the engine if allowed to continue unabated.

6. Premixed flame - Wikipedia

   en.wikipedia.org/wiki/Premixed_flame

   The premixed flame interface propagates through the mixture until the entire charge is depleted. [1] The propagation speed of a premixed flame is known as the flame speed (or burning velocity) which depends on the convection-diffusion-reaction balance within the flame, i.e. on its inner chemical structure. The premixed flame is characterised as ...

7. Two-stroke engine - Wikipedia

   en.wikipedia.org/wiki/Two-stroke_engine

   Oil is mixed in with their petrol fuel beforehand, in a fuel-to-oil ratio of around 32:1. This oil then forms emissions, either by being burned in the engine or as droplets in the exhaust, historically resulting in more exhaust emissions, particularly hydrocarbons, than four-stroke engines of comparable power output.

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Homogeneous charge compression ignition - Wikipedia

   en.wikipedia.org/wiki/Homogeneous_charge...

   The engine operates in HCCI mode at speeds below 60 miles per hour (97 km/h) or when cruising, switching to conventional SI when the throttle is opened and produces fuel economy of 43 miles per imperial gallon (6.6 L/100 km; 36 mpg ‑US) and carbon dioxide emissions of about 150 grams per kilometre, improving on the 37 miles per imperial ...