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Ryan Poulos English 101 The Technology Of A Snowmobile Engine If you study and look at the history of a snowmobile engine it has improved in many ways I feel they have improved in two major ways Number one being in performance and number two theyre more environmentally safe In order for you to understand how this has happened I will explain to you the engine of a snowmobile A snowmobile engine is called a 2-cycle engine This means unlike a 4-cycle which you would find in a car 2-cycle engines fire every time the piston reaches top dead center TDC Now if you look at a 4-cycle or car engine it only fires every other time the piston reaches TDC This advantage gives snowmobiles a great power to weight ratio If you stop and take a look at a twin 600cc two cycle it produces about 110 horsepower Now if you take 600cc and convert it to cubic inches you get 366ci providing 110 horsepower Further more we can compare that to a car and see the advantage If you take a V8 305 cubic inches you would figure out that it only has about 240 horsepower for all those cubic inches and all that extra whight Thats how snowmobiles can be so powerful but still so small and light weight Unfortunately over the years people discovered a problem Environmentalist thought if the piston fired every time it reached TDC it had to be releasing gas and oil through the exhaust and into our atmosphere This posed a problem for the snowmobile industry But the companies researched and came up with three things One is fuel injection so
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