From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Thu, 18 Oct 2018 12:46:42 +0000 (+0200)
Subject: small control horn for rc plane
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=96851cf0dc64692afee9f1f263647f80468e49de;p=things.git

small control horn for rc plane
---

diff --git a/rc-control-horn.scad b/rc-control-horn.scad
new file mode 100644
index 0000000..0b6f19d
--- /dev/null
+++ b/rc-control-horn.scad
@@ -0,0 +1,56 @@
+eps = 0.01;
+infty = 100;
+
+wall = 1;
+
+slot_off = 4;
+
+slot_l = 10;
+slot_depth = 2.5;
+side_w = 4;
+
+base_l = 4 + slot_l;
+
+hole_h = 10;
+hole_d = 1.5;
+hole_step = 1.5*hole_d;
+n_holes = 3;
+
+hole_side = 1.5*wall;
+
+module horn() {
+	difference() {
+	hull() {
+		// base
+		translate([slot_off, 0, 0])
+			cube([base_l, wall, wall]);
+
+			for (y = [1:n_holes]) {
+				translate([0, hole_h -(y-1)*hole_step, 0])
+					cylinder(r = hole_d/2 + hole_side,
+						h = wall, $fn = 6);
+			}
+		}
+
+		for (y = [1:n_holes]) {
+			translate([0, hole_h -(y-1)*hole_step, -eps])
+				cylinder(r = hole_d/2, h = wall + 2*eps, $fn = 6);
+		}
+	}
+
+
+	// side support
+	translate([slot_off, 0, 0])
+		cube([base_l, wall, side_w]);
+
+	// slot
+	hull() {
+		translate([slot_off + (base_l - slot_l)/2, -slot_depth/2, 0])
+			cube([slot_l, slot_depth/2, wall]);
+		translate([slot_off + (base_l - slot_l)/2 + wall, -slot_depth, 0])
+			cube([slot_l - 2*wall, slot_depth/2+eps, wall]);
+	}
+}
+
+for (x = [-1, 1]) scale([x, 1, 1])
+	translate([hole_side + hole_d/2 + 2*wall, 0, 0]) horn();