// subframe.scad: 

// (c) Simon Brooke 2025; CC-BY-SA


include <BentSim/Library/Bike_accessories.scad>
include <SprocketGenerator2/files/Sprocket_Generator_v2_example_10.scad>

include <chainset.scad>
include <epicyclic.scad>

module subframe () {
    // front leg (supports cross-shaft, epicyclic, motor
    translate([-25, 886, -50])
        color("silver")
        cube([50, 25, 329]);
    // bottom bracket leg
    translate([-25, 700, -90])
        color("silver")
        cube([50, 25, 443]);
    // wheel leg
    translate([-100, 345, -111])
        rotate([0, 7, 0])
        color("silver")
        cube([25, 75, 519]);
    // front upper
    translate([-25, 1143, 186])
        rotate([70, 0, 0])
        color("silver")
        cube([50, 25, 471]);
    // central upper
    translate([-25, 714, 343])
        rotate([82, 0, 0])
        color("silver")
        cube([50, 25, 529]);
    // rear leg
    translate([-25, 0, 0])
        rotate([-23, 0, 0])
        color("silver")
        cube([50, 25, 491]);
    
    // wheel
    translate([0, 382, 93])
        rotate([0, 0, 90])
        wheel(rim=451, spoke_nbr=0);
        
    translate([-42, 382, 93])
        rotate([0, 90, 0])
        color("grey")
        sprocket(teeth=30, roller=7.9, pitch=12.7);
        
    rotate([90, 0, 90])
        translate([680, 105, -40])
        chainset( teeth=82, crank=140);
        
    rotate([0,90,0])
        translate([-93, 960, 24])
        epicyclic();   
        
}

// subframe();