Quote:
Originally Posted by utopia
......I'm also thinking that front mounted calipers might lead to slightly less fork dive induced by the brake reaction .. but also that the effect would be tiny compared to the effect of weight transfer under braking.
This may have less practical relevance than other previously mentioned factors though.
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I almost agreed with you on this as the friction force between the Caliper pads and disk would be tangential to the swept area of the disk. That means the greater the offset of the Caliper pads from the fork leg, the more a force vector would slope down (If forward mounted), or up (If rear mounted).
Unfortunately you can’t make use of the axial components of the force as it is exactly countered by the reaction through the wheel axle. The brakes don’t actually produce a force, they produce a rotational couple or moment.
At the contact patch, the moment from the braking force is countered by that from weight transfer onto the front wheel.
If we can find a way to isolate forces from their reactions we can be rich as perpetual motion is the dream!