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FJR Motorcycle Forums
Technical & Mechanical Problems
Un-Linking Front Brakes on 2nd Gens (and later)
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<blockquote data-quote="Cosmin" data-source="post: 1358471" data-attributes="member: 17448"><p>I don't want to start an argument <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> - I just remember from the Blackbird that together with longer travel of the lever the sensation was also of extra effort needed, perhaps it was just an impression?! I'm too lazy to start digging in memories for some physics formulas and compute pressure (P=F/S etc <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> ) ) and try to conclude on this but I have another tangible example: some years ago when I upgraded the brakes of a previous sports-car I changed only the front calipers with those from the model with higher power (2 pairs of pistons instead of one pair - overall an increase of ~40% in pistons area) but I didn't touch the master cylinder and servo. The immediate effect was some sort of lack of help from the servo (increased effort from the pedal). The model from which I 'borrowed' the calipers had from factory also increased diameter master cylinder and 1 inch higher diameter servo.</p></blockquote><p></p>
[QUOTE="Cosmin, post: 1358471, member: 17448"] I don't want to start an argument :) - I just remember from the Blackbird that together with longer travel of the lever the sensation was also of extra effort needed, perhaps it was just an impression?! I'm too lazy to start digging in memories for some physics formulas and compute pressure (P=F/S etc :) ) ) and try to conclude on this but I have another tangible example: some years ago when I upgraded the brakes of a previous sports-car I changed only the front calipers with those from the model with higher power (2 pairs of pistons instead of one pair - overall an increase of ~40% in pistons area) but I didn't touch the master cylinder and servo. The immediate effect was some sort of lack of help from the servo (increased effort from the pedal). The model from which I 'borrowed' the calipers had from factory also increased diameter master cylinder and 1 inch higher diameter servo. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Un-Linking Front Brakes on 2nd Gens (and later)
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