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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Eight inch brake ?
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<blockquote data-quote="davidd" data-source="post: 89795" data-attributes="member: 1177"><p>Stu,</p><p></p><p>You are probably half right. The fixed anchors were Mike's choice, but not mandatory. I installed the 8" brakes on my racer in 2009 using the balance beam as it was intended and those brakes have been going strong with no adjustments like shimming out the leading shoe. I would expect that they are more prone to the "equal work condition" but they have not seemed to demonstrate it yet. </p><p></p><p>Of course, there is often a battle between two factions regarding SLS brakes: The "opposers" those who want the front brake lever to rotate in the opposite direction of the wheel and the "clockwise" guys who want the brake lever to rotate in the same direction of the wheel. Because the brake cam is flat, the shoe lifted by the inside edge of the cam (the lobe closest to the axle) will get lifted higher, but with less force because it is nearer the pivot ( "opposers"). The shoe lifted by the outside cam (furthest from the axle) will have less lift, but it will exert higher force on the drum. It is possible that one or the other might have a different impact on braking and lining wear or they could both be bad.</p><p></p><p>The Phil's were opposers, which is why the front brake arms point forward. The clockwise guys, the Gold Star racers like Dick Klamfoth and Mann found better braking by pointing the arms rearward. I have no idea.</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 89795, member: 1177"] Stu, You are probably half right. The fixed anchors were Mike's choice, but not mandatory. I installed the 8" brakes on my racer in 2009 using the balance beam as it was intended and those brakes have been going strong with no adjustments like shimming out the leading shoe. I would expect that they are more prone to the "equal work condition" but they have not seemed to demonstrate it yet. Of course, there is often a battle between two factions regarding SLS brakes: The "opposers" those who want the front brake lever to rotate in the opposite direction of the wheel and the "clockwise" guys who want the brake lever to rotate in the same direction of the wheel. Because the brake cam is flat, the shoe lifted by the inside edge of the cam (the lobe closest to the axle) will get lifted higher, but with less force because it is nearer the pivot ( "opposers"). The shoe lifted by the outside cam (furthest from the axle) will have less lift, but it will exert higher force on the drum. It is possible that one or the other might have a different impact on braking and lining wear or they could both be bad. The Phil's were opposers, which is why the front brake arms point forward. The clockwise guys, the Gold Star racers like Dick Klamfoth and Mann found better braking by pointing the arms rearward. I have no idea. David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Eight inch brake ?
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