68 lines
1.7 KiB
OpenSCAD
68 lines
1.7 KiB
OpenSCAD
// A fixed fin stomp rocket version
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// Units mm g s
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use <Stomp Rocket Body v1.scad>
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$fa = 1;
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$fs = 0.5;
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inner_radius = 17.5/2;
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body_length = 150;
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wall_thickness = 1.8;
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outer_diameter = inner_radius + wall_thickness;
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module inner_taper(taper_height=5) {
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difference() {
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cylinder(r=inner_radius, h=taper_height);
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cylinder(r1=inner_radius, r2=1, h=taper_height-0.1);
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}
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}
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module fairing(inner_radius=inner_radius, wall_thickness=wall_thickness) {
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union() {
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translate([0,0,50])
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sphere(r=outer_diameter*1.5);
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translate([0,0,10])
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cylinder(r=outer_diameter*1.5,h=40);
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cylinder(r2=outer_diameter*1.5,r1=outer_diameter,h=10);
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}
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}
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module booster(width=20, height=75, thickness=3) {
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union() {
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translate([(width)/2+1,0,0])
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cylinder(d=width, h=height);
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translate([(width)/2+1,0,height])
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cylinder(d1=width, d2=0, h=10);
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translate([(width)/2+1,0,0])
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cylinder(d1=width*1.15, d2=width, h=10);
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for (i=[0.25*height, 0.75*height]) {
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translate([(width)/2+1,0,i])
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cylinder(d=1.15*width, h=5);
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}
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}
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}
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union() {
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difference() {
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union() {
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translate([0,0,body_length])
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rotate([0,180,0])
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color("gray") rocket_body(inner_radius = inner_radius, wall_thickness=wall_thickness);
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translate([0,0,body_length-20]) color("red") fairing();
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}
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translate([0,0,5])
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cylinder(r=inner_radius+0.4, h=body_length-10);
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}
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translate([0,0,body_length-10]) color("blue") inner_taper(taper_height=5);
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for (i=[0,90,180,270]) {
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rotate(i)
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translate([outer_diameter-0.1, 0, 0])
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booster();
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}
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}
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