UMaine’s clear snowmobile runs on (a number of) pure fuel

UMaine's clean snowmobile runs on (a lot of) natural gas

Check out what these mechanical engineering college students from the College of Maine say is the one pure fuel-powered snowmobile within the US. Why make all these modifications to what was a inventory Arctic Cat XF1100? To compete within the Society of Automotive Engineers Clear Snowmobile Problem, which was based to create machines able to operating in Yellowstone Pure Park the place guidelines about noise and emissions maintain fuel snowmobiles out. Altering the gasoline supply from gasoline to pure fuel not solely meant swapping out the fuel tank, but in addition the injectors contained in the motor. As you possibly can see within the video after the break, final yr’s group acquired the beast operating, however this yr college students are engaged on enhancing the dealing with and tuning.

That enormous and heavy CNG tank is in place due to the unique estimates for what it will take to run a snowmobile for one hundred miles (a requirement of the competitors), however the workforce advised me it is going to be changed with a smaller one sooner or later. Final yr the snowmobile operated utilizing an Arduino microcontroller on prime of the inventory engine pc, however now that is been modified too, for a customized ECU that permits for extra tuning. To make the dealing with higher even with the sled’s additional measurement and weight, the workforce is making modifications like shifting the tank ahead for a greater middle of gravity, and stiffening the rear suspension.

Judging from the video, even with the additional measurement, snowmobile driving is simply as a lot enjoyable as with all different machine, and by switching to different power sources, it might be extra environmentally pleasant. This CNG sled places out far much less emissions than fuel, and proposed fuel pipelines might make the gasoline extensively obtainable in Maine. There are different concepts on the market — some groups are engaged on improved tuning of fuel engines for higher effectivity, exhaust fuel recirculation, and utilizing diesel or electrical engines — you possibly can see them driving out on this yr’s competitors under.

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UMaine's clean snowmobile runs on (a lot of) natural gas

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