shouldbeinbed
Rollin' along
- Location
- Manchester way
A foot is more up and down than a constant circular saw into the surface, forward momemtum on a bike is achieved by dragging the wheel across the surface, walking is the body falling forwards over a planted static foot, even the most extreme of walking boots don't match the tread depth or more sawtooth like pattern of a knobbly MTB, there is more weight of rider and bike combined & you're pressing a tyre down onto a smaller contact point than a foot, condensing the impact on the surface in drawing pin style. The constant ground contact of the bike tyre far more effectively creates the cut channel channel that water collects and sits in to puddle & start the erosive process as it seeps away in deeper more concentrated patterns of tread spots, as well as forcing all and sundry to start creating passing places where it doesn't evaporate or seep away as quickly so eroding and damaging the otherwise solid side structure of the path and hastening its demise. Even without water, the bikes will not follow exactly the same tracks as one another, evwn front to rear wheel on occasions making for more very close set ridges and furrows that it takes little or nothing to break the ridges and destabilise and lose the whole path surface far more quickly. Walking tends to stamp it all down more uniformly over time, keeping the surface integrity for much longer as it inevitably channels out.
Not to say foot traffic doesn't eventually do the same to a path but a push bike does it a heck of a lot faster and a motorbike faster still.
In the same way your circular saw would eventually cut wood if you didn't set the blade spinning, left the guard in place and just repeatedly banged it down onto the wood.
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