Snowblowers are noisy and not as effective as a shovel, but when it is remote controlled it certainly becomes an attractive solution.  Over at Hack a Day there is a link to a 3D printing project which gives you the plans to print out your own snowblower.  The project does encompass the entire machine, it might be prudent to look the project over and see if standard snowblower parts can be included in the build; especially if you already own one.  3D printing is growing in utility as well as popularity.

"This year’s model features a slipper clutch — combined with a differential from a heavy RC truck — to forestall damage to the attachment if you happen to hit any rocks or ice chunks. The blades are also thicker and lack teeth in this iteration, as they would catch on anything hard and shatter the blade more often than not."

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