From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Sun, 5 Nov 2017 15:09:30 +0000 (+0100)
Subject: FT Scout: elevator reinforcement
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=3cf14452c87943789133e178377584793302bd19;p=things.git

FT Scout: elevator reinforcement

Middle part of the elevator is too weak on Mini Scout,
so let's reinforce it with this small part.
---

diff --git a/ft-scout-elevator-reinforcement.scad b/ft-scout-elevator-reinforcement.scad
new file mode 100644
index 0000000..4741388
--- /dev/null
+++ b/ft-scout-elevator-reinforcement.scad
@@ -0,0 +1,42 @@
+infty = 100;
+eps = 0.01;
+
+center_l = 16;
+foam_w = 3;
+center_thick = 1.5;
+side_thick = 1.0;
+
+body_w = center_l + 2*9;
+front_l = 5;
+rear_l = 8;
+
+side_angle = 40; // smaller is narrower part (angle from the direction of flight)
+
+difference() {
+	// main body
+	translate([-foam_w/2-side_thick, -body_w/2, -rear_l-center_thick])	
+		cube([foam_w + 2*side_thick, body_w, rear_l + center_thick + front_l]);
+	// front slot
+	translate([-foam_w/2, -body_w/2-eps, 0])
+		cube([foam_w, body_w+2*eps, front_l + eps]);
+	// inner slanted sides
+	for(y = [-1, 1]) scale([1, y, 1])
+	translate([0, center_l/2, 0])
+	rotate([side_angle, 0, 0])
+	translate([-foam_w/2, 0, -infty/2])
+		cube([foam_w, infty, infty]);
+	// outer hole for rudder
+	intersection() {
+		hull() for (y = [-1:1]) scale([1, y, 1]) {
+			translate([0, center_l/2, 0])
+			rotate([side_angle, 0, 0])
+			translate([-infty/2, -center_thick, -infty])
+				cube([infty, eps, infty]);
+		}
+		translate([-infty/2, -infty/2, -infty-center_thick])
+			cube(infty);
+	}
+	// debug
+	// translate([-infty, -infty/2, -infty/2])
+	//	cube(infty);
+}