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assembly: fin

Design Notes

(None)

assembly Design File

fuselage/fin/fin.scad

//#####################################
// fin.scad
// (c) 2021 by Roie R. Black
//=====================================
include <colors.scad>
use <MMlib/position.scad>
include <./fin_pos.scad>

use <./arc/fin_arc.scad>
use <./leading_edge/leading_edge.scad>
use <./trailing_edge/trailing_edge.scad>
use <./rib1/fin_rib1.scad>
use <./rib2/fin_rib2.scad>
use <./arc/fin_arc.scad>
use <./covering/fin_covering.scad>


module fin() {
  color(WOOD_Balsa) {
    align(le_pos) leading_edge();
    align(te_pos) trailing_edge();
    align(arc_pos) fin_arc();
    align(rib1_pos) fin_rib1();
    align(rib2_pos) fin_rib2();
  }
  align(covering_pos) fin_covering();
}

//--------------------------------------
// debug display

fin();

Component Data File(s)

fuselage/fin/fin_data.scad

//#####################################
// fin-data.scad
// (c) 2021 by Roie R. Black
//=====================================
include <colors.scad>

fin_span = 2;
fin_chord = 4;
fin_radius = 1.5;
spar_size = 1/32;
fin_color = WOOD_Balsa;

//-------------------------------------
// calculated values

fin_le_length = fin_span - fin_radius - spar_size;
fin_te_length = fin_span -2*spar_size;

Components

• part: fin_rib1
• part: fin_rib2
• part: leading_edge
• part: fin_arc
• part: trailing_edge
• part: fin_covering

Component Position File

fuselage/fin/fin_pos.scad

//########################################
// arc_pos.scad
// (c) 2021 - Roie R. Black
//****************************************
include <./fin_data.scad>

le_pos = [0,-fin_le_length/2-spar_size,0,0,0,0];
te_pos = [fin_chord - spar_size,-fin_te_length/2 - spar_size,0,0,0,0];
arc_pos = [fin_radius, -fin_span + fin_radius, 0,0,0,0];
rib1_pos = [fin_chord/2,-spar_size,0,0,0,90];
rib2_pos = [(fin_chord+fin_radius)/2-spar_size/2,-fin_span,0,0,0,90];
covering_pos = [0,0,0,0,0,0];