Originally Posted By: hikermor
Short answer - getting wet and rusty.

The show was recreating and critiquing an actual event where the driver attempted to cross a frozen stream - didn't work.


If a rider keeps sufficient speed, it is possible to skim across open water on a snow machine. People sometimes do this to get over a stream or pond. This has even led to a new wave of sporting events called snowmobile skipping, snowmobile watercross, snowmobile skimming, water skipping or puddle jumping. According to Wikipedia, the current over water distance record is 212 km (131.731 miles) by the Norwegian Morten Blien.
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