From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Thu, 2 Feb 2017 08:49:32 +0000 (+0100)
Subject: rc-plane-wheel: another iteration
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=d9abb6c3b7d821aba864a9026a1d3fff8c8be2cc;p=things.git

rc-plane-wheel: another iteration
---

diff --git a/rc-plane-wheel.scad b/rc-plane-wheel.scad
index 869ca1b..e011c0e 100644
--- a/rc-plane-wheel.scad
+++ b/rc-plane-wheel.scad
@@ -3,36 +3,43 @@ eps = 0.01;
 
 wheel_d = 60;
 wheel_h = 4;
-wheel_thick = 1;
+wheel_thick = 0.75;
+wheel_rim = 4;
+
+min_wall = 0.5;
 
 spokes = 5;
-spoke_w =  5;
-spoke_h = 3;
+spoke_w =  4;
+spoke_h = 2;
 
-center_d = 8;
+center_d = 10;
 center_hole = 3;
 
 module body() {
 	// rim
 	difference() {
 		cylinder(r = wheel_d/2, h = wheel_h, $fn = 128);
+		translate([0,0,min_wall-eps])
+			cylinder(r1 = wheel_d/2 - 2*wheel_thick,
+				r2 = wheel_d/2 - wheel_thick,
+				h = wheel_h - min_wall+ 2*eps);
 		translate([0,0,-eps])
-			cylinder(r = wheel_d/2 - wheel_thick, h = wheel_h + 2*eps);
+			cylinder(r = wheel_d/2 - wheel_rim,
+				h = min_wall+2*eps);
 	}
 
 	// spokes
 	for (a = [0:360/spokes:360-eps]) {
 		rotate([0, 0, a])
-		translate([2, 0, 0])
 		hull() {
 			translate([-spoke_w/2, 0, 0])
-				cube([spoke_w, wheel_d/2 - wheel_thick/2, eps]);
-			translate([-eps/2, 0, spoke_h-eps])
-				cube([eps, wheel_d/2 - wheel_thick/2, eps]);
+				cube([spoke_w, wheel_d/2 - min_wall/2, min_wall]);
+			translate([-min_wall/2, 0, spoke_h-eps])
+				cube([min_wall, wheel_d/2 - min_wall/2, eps]);
 		}
 	}
 
-	cylinder(r = center_d/2, h = wheel_h);
+	cylinder(r1 = center_d/2, r2 = center_hole/2 + 2*min_wall, h = wheel_h);
 }
 
 difference() {