From: Jan "Yenya" Kasprzak Date: Fri, 24 Feb 2017 09:22:17 +0000 (+0100) Subject: rc landing gear: lighter version X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=7bc880d3a8aeafb76ce736bdeafed74853be5a9c;p=things.git rc landing gear: lighter version --- diff --git a/rc-landing-gear.scad b/rc-landing-gear.scad index 71d67f7..877164c 100644 --- a/rc-landing-gear.scad +++ b/rc-landing-gear.scad @@ -10,20 +10,22 @@ vyska osy se spodni hranou trupu az cca 30mm pod trupem kolma cast asi vpredu */ -base_d = 80; +base_d = 83; base_w = base_d; -base_wall = 2; -base_l = 50; +base_wall = 0.8; +base_l = 35; -wheel_h = 40 + base_d/2; // under the base_d/2 -wheel_base = 160; - -axle_cube = 10; +axle_cube = 7; axle_hole = 3; -leg_wall = 2; +leg_wall = 1; top_l = axle_cube; +wheel_h = axle_cube/2+base_d/2 - leg_wall; // under the base_d/2 +wheel_base = 110; + + + // bottom arc difference() { $fn = 128; @@ -33,9 +35,11 @@ top_l = axle_cube; // cut the top half translate([-infty/2, 0, -infty/2]) cube(infty); // angled cut to top_l - translate([0, 0, top_l]) - rotate([atan((base_d/2-base_wall)/(base_l - top_l)), 0, 0]) - translate([-infty/2, 0, -infty/2]) cube(infty); + for (i = [-1, 1]) scale([i, 1, 1]) + translate([0, 0, base_l]) + // rotate([atan((base_d/2-base_wall)/(base_l - top_l)), 0, 0]) + rotate([0, 57, 0]) + translate([-infty, -infty/2, -infty/2]) cube(infty); } // wheel cubes @@ -52,8 +56,9 @@ top_l = axle_cube; // bottom struts for (x = [-1, 1]) scale([x, 1, 1]) hull() { // center + rotate([0, 0, 30]) translate([0, -base_d/2 + base_wall/2, 0]) - cylinder(r = leg_wall/2, h = base_l, $fn = 16); + cylinder(r = leg_wall/2, h = (base_l-axle_cube)*(90-30)/90, $fn = 16); // side translate([wheel_base/2-axle_cube+leg_wall/2, -wheel_h+axle_cube/2-leg_wall/2 , 0])