I would be interested in the plowing tips.
For anything more than a few inches I would use the 47" snowblower anyways.
Make the side plates variable in length from 9' to 18", or thereabouts. Adjust them to suit conditions or until you feel that they are optimum for most conditions. (Trial and error works.)
First pass straight down the center of the laneway.
Subsequent passes start at the end opposite the snow dump using short passes to clear the snow from the sides of the lane and create a mini snow dump in
the initial pass. Two or three short passes to start with, and then a major pass straight down the initial pass using the windrows to keep the snow in front of the blade. Increase the number of short passes by one for each subsequent major pass until you get a feel for how large the mini dump can be and still allow the tractor to get it in motion. (Again with the trial and error.)
The first mini dump should be about 40' from the start position. The major pushes should be started with the tractor lined up with the initial pass and may require more throttle (and speed) to get the pile moving. (I usually plow at 2/3 throttle for fuel economy which allows some additional power to be available when necessary.)
By the time that you make a major push, the light fluffy snow has been compacted several times and has considerably less volume and more mass than the original conditions.
The problem with a wide blade such as you were contemplating is the friction of both the cutting edge and the width of snow that has to be pushed, and yes, there is friction involved with compacted snow.
With the long push that you have, it will save considerable time if you create a turnaround at the snow dump so that you can drive back up the initial pass at speed rather than backing up and waving side to side due to restricted vision. (My head doesn't turn far enough around to see directly behind me in order to steer straight in reverse.)
A handy attachment is a 5' back blade. In the straight position, it will give an extra 3" of wiggle room on each side for the return trip, and contribute to the snow load moved by an additional 30-50% when plowing. When using the blower, angle it to the side where the next pass will be done and it will clean up the skiff left by the blower, as well as clip off or reduce any tire track compacted snow.
Weight is the key for traction. My GT carried 400 lb of ballast at all times, and if more was needed, the back blade was raised to add its 250 lb. There are 150 lb of steel plates installed on my GT's back blade.
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