X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=rocket.scad;h=19d034064790a373451260f9ac1fbe3f1797d701;hb=6f6c908cd7879aa08c8ac18ce04a7720608bd86f;hp=81c4ed669d9acb9c09ae0499c0901aee4aa05f00;hpb=cce08cf28d59873ac03ed92c380fcf5d0c85d7fe;p=things.git

diff --git a/rocket.scad b/rocket.scad
index 81c4ed6..19d0340 100644
--- a/rocket.scad
+++ b/rocket.scad
@@ -2,7 +2,7 @@
 // The Estes A8-3 and C6-7 motors have diameter of 17.7 mm,
 // length 69.5 mm. The Estes Alpha launch pad has rod diameter 3.4 mm.
 
-motor_diam = 17.7 + 0.8; // add some tolerance
+motor_diam = 17.7 + 0.6; // add some tolerance
 motor_len  = 69.5 + 0.5;
 
 segment_overlap = 15;
@@ -22,7 +22,7 @@ motor_wall = thick_wall; // above the motor
 clip_height = 3.5;
 clip_width = 1.2;
 clip_clearance = 1.0;
-clip_inner_space = motor_diam/2 - 1.0;
+clip_inner_space = motor_diam/2 - 1.5;
 
 rod_diam = 3.4 + 1;
 rubber_beam_height = 3;
@@ -177,22 +177,6 @@ module central_tube() {
 			cylinder(r = motor_diam/2 + thick_wall - thin_wall,
 				h = infty);
 	};
-	// rubber band holder
-	intersection() {
-		cylinder(r = motor_diam/2 + thick_wall - eps, h = central_tube_h);
-/*
-		translate([motor_diam/2 - thick_wall, -infty/2,
-			segment_overlap + thick_wall])
-			cube([thin_wall, infty, rubber_beam_height]);
-*/
-		translate([-central_clip_w/2,
-			central_clip_r + motor_diam/2 + thick_wall - 2*thin_wall - central_clip_clearance,
-			central_tube_h/3]) rotate([0, 90, 0]) difference() {
-			cylinder(r = central_clip_r, h = central_clip_w);
-			translate([0, 0, -eps])
-				cylinder(r = central_clip_r - central_clip_wall, h = central_clip_w + 2*eps);
-		}
-	};
 };
 
 //------------------------- FRONT CONE -----------------------
@@ -256,13 +240,6 @@ module front_cone() {
 		translate([0, 0, -eps])
 			cylinder(r = motor_diam/2, h = segment_overlap + 2*eps);
 	};
-	// rubber band holder
-	intersection() {
-		cylinder(r = motor_diam/2 + thin_wall/2, h = segment_overlap);
-		translate([motor_diam/3-thin_wall/2, -infty/2,
-			segment_overlap - thick_wall - rubber_beam_height - eps])
-			cube([rubber_beam_width, infty, rubber_beam_height]);
-	};
 };
 
 debug = 0;
@@ -271,8 +248,8 @@ if (debug == 1) {
 // debug
 difference($fn = 16) {
 	front_cone();
-	// central_tube();
-	// motor_module();
+	central_tube();
+	motor_module();
 
 	translate([0, 0, -infty/2]) cube(infty);
 };