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thread_height=38;
thread_diameter=25.4;
shaft_height1=110;
shaft_diameter1=thread_diameter;
shaft_height2=6;
shaft_diameter2=27;
axe_shift=18.2;
shaft_distance=53;
module fork_shaft(){
thread_height=38;
thread_diameter=25.4;
shaft_height1=110;
shaft_diameter1=thread_diameter;
shaft_height2=6;
shaft_diameter2=27;
translate([0,0,-thread_height])
cylinder(h=thread_height,d=thread_diameter);
translate([0,0,-(thread_height+shaft_height1)])
cylinder(h=shaft_height1,d=shaft_diameter1);
translate([0,0,-(thread_height+shaft_height1+shaft_height2)])
cylinder(h=shaft_height2,d=shaft_diameter2);
}
module forking(){
for (side = [-1,1])
hull() {
translate([0,0,-34]) cylinder(d=39,h=34);
translate([axe_shift, side * shaft_distance, -56]) cylinder(d=31.3, h=29);
}
translate([0,0,-43]) cylinder(d=39,h=9);
}
module side_shaft(){
}
module suspension_fork(depth=0) {
// from top to bottom ...
%fork_shaft();
%translate([0,0,-(thread_height+shaft_height1+shaft_height2)]) forking();
// all following measuress are pure phantasy
*translate([0, -50/2, -110])
cube([5, 50, 20]);
*for (side = [-1,1])
translate([0, side * 50, -210]) {
cylinder(r=25, h=120);
translate([0, 0, depth - 100]) {
cylinder(r=20, h=120);
difference() {
translate([0, 0, -20])
rotate([90, 0, 0])
hull() {
cylinder(r=20, h=5, center=true);
translate([0, 20, 0]) cube([39, 39, 5], center=true);
}
translate([0, 0, -20])
rotate([90, 0, 0])
hull() {
cylinder(r=5, h=50, center=true);
translate([0, -20, 0]) cube([10, 10, 50], center=true);
}
}
}
}
}
function wheel_offset(depth=0) = depth - 330;
suspension_fork();
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