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Initial commit for new branch with reversed brake arm direction on y-axis so that mechanical shocks at the wheel cause brakes to ease off, rather than jolting onto application.

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Teddy Middleton-Smith
2025-02-25 15:49:37 +00:00
parent 659001351e
commit cd60aff3e5
10 changed files with 18 additions and 9 deletions
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models/brake/brake_arm.scad
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@@ -7,7 +7,7 @@ module brake_arm() {
// body
cube(R_BRAKE_ARM, center = true);
// chamfer across end face for wheel overlap
translate([R_BRAKE_ARM[0] / 2 - R_BRAKE_ARM[1] / 2 * tan(ANGLE_BRAKE_ROD_MAX), 0, 0]) rotate([0, 0, 90 - ANGLE_BRAKE_ROD_MAX]) translate([0, -L_big / 2, -L_big / 2]) cube(L_big, center = false);
translate([R_BRAKE_ARM[0] / 2 - R_BRAKE_ARM[1] / 2 * tan(ANGLE_BRAKE_ROD_MAX), 0, 0]) rotate([0, 0, -(90 - ANGLE_BRAKE_ROD_MAX)]) translate([0, -L_big / 2, -L_big / 2]) cube(L_big, center = false);
}
// Shopping
echo(str("Brake arm: Aluminium sheet ", R_BRAKE_ARM[1], "mm x ", R_BRAKE_ARM[0], "mm x ", R_BRAKE_ARM[2], "mm - x1"));