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  2. Crankcase ventilation system - Wikipedia

    en.wikipedia.org/wiki/Crankcase_ventilation_system

    Two-stroke engines which use crankcase compression do not require a crankcase ventilation system, since all of the gases within the crankcase are then fed into the combustion chamber. Many small four-stroke engines such as lawn mower engines and electricity generators simply use a draught tube connected to the intake system.

  3. Rope start - Wikipedia

    en.wikipedia.org/wiki/Rope_start

    Starting a Lazair II ultralight aircraft's JPX PUL 425 engine, equipped with a recoil starter. A rope start device housed in a Nose bullet of a Junkers Jumo 004 turbojet.. Rope start (also called pull start [citation needed] or rewind start [citation needed]) is a method of starting an internal combustion engine, usually on small machines, such as lawn mowers, chainsaws, grass trimmers ...

  4. Is a push lawn mower worth it? Experts weigh in. - AOL

    www.aol.com/news/push-lawn-mower-worth-experts...

    Craftsman M105 140cc Gas Powered Push 21-Inch 3-in-1 Lawn Mower with Bagger $259.99 at Amazon. Craftsman M105 140cc Gas Powered Push 21-Inch 3-in-1 Lawn Mower with Bagger $308.13 at Walmart. Best ...

  5. Lawn mower - Wikipedia

    en.wikipedia.org/wiki/Lawn_mower

    Hover mowers are powered rotary push lawn mowers that use an impeller above the spinning blades to drive air downward, thereby creating an air cushion that lifts the mower above the ground. The operator can then easily move the mower as it floats over the grass.

  6. Briggs & Stratton - Wikipedia

    en.wikipedia.org/wiki/Briggs_&_Stratton

    The Twin Cylinder Engine – This engine was introduced in 1977 as a means of competing with Briggs & Stratton's rivals, particularly Japanese firms like Honda who were cutting into traditional Briggs & Stratton markets by producing lawn mower engines (and later, complete lawn mowers). These first models were rated 16 hp (11.9 kW) and displaced ...

  7. Flymo - Wikipedia

    en.wikipedia.org/wiki/Flymo

    The mower is a variation of the petrol-powered rotary push lawn mower, but uses a fan above the mower's spinning blades to allow the mower's body to hover over the lawn. The mower is claimed to be more manoeuvrable and easier to push than wheeled petrol mowers, while delivering similar results.

  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. Crankcase - Wikipedia

    en.wikipedia.org/wiki/Crankcase

    Gardner 0 stationary engine (a plate acts as a safety shield but the crankshaft is not fully enclosed). Early engines were of the "open-crank" style, that is, there was no enclosed crankcase. The crankshaft and associated parts were open to the environment. That made for a messy environment, because oil spray from the moving parts was not ...