Port tack racks
Rugged Snowmobile Racks
Analyzing the movement of snowmobiles in avalanche terrain
The good folks from Montana State University did a study analyzing the movements of snowmobilers through the backcountry. With more of us out in the beyond, it's helpful to know as much as we can about staying safe and away from avalanches. A data based study like this is really helpful.
They used the same GPS based techniques that helped the ski touring people reduce their avi risk... read on