//light weight mini rotator
//JP Hare, August 2nd 2021

//ca.xx hours print time


//main mast support & hole
difference () {
cylinder (h=100, r=46/2, $fn=80);

//main mast hole
translate ([0,0,5])
cylinder (h=140, r=24/2, $fn=80);

//half circle mast fitting
translate ([0,-36,5])
cylinder (h=140, r=20, $fn=80);

// thub screw hole I
translate ([0,0,30])
rotate ([0,-90,0])    
cylinder (h=40, r=1.5, $fn=80);

// thumb screw hole II
translate ([0,0,85])
rotate ([0,-90,0])    
cylinder (h=40, r=1.5, $fn=80);

// make side flat
translate ([20,-15,50])
cube ([15,30,55]);

//flat bolt hole I
translate ([0,0,55])
rotate ([0,90,0])    
cylinder (h=40, r=1.5, $fn=80);

//flat bolt hole II
translate ([0,0,75])
rotate ([0,90,0])    
cylinder (h=40, r=1.5, $fn=80);

}



//drive motor support
difference () {
translate ([-32,-20,0])
cube ([85,95,5])

//half circle mast fitting
translate ([0,-17,130])
cylinder (h=20, r=1.5, $fn=80);

//half circle mast fitting
translate ([0,-35,5])
cylinder (h=140, r=40/2, $fn=80);

//antenna shaft hole
translate ([37,9,-1])
cylinder (h=14, r=9, $fn=90, center = true);

//antenna shaft bearing fixing slot I
for (j=[33:.1:41])
translate ([j,9-17,-1])
cylinder (h=14, r=1.8, $fn=90, center = true);

//antenna shaft bearing fixing slot II
for (k=[33:.1:41])
translate ([k,9+17,-1])
cylinder (h=14, r=1.8, $fn=90, center = true);

//antenna shaft bearing fixing hole I
//translate ([35,7-17,-1])
//cylinder (h=14, r=1.8, $fn=90, center = true);

//antenna shaft bearing fixing hole II
//translate ([35,7+17,-1])
//cylinder (h=14, r=1.8, $fn=90, center = true);

//hex holes for motor fixing
translate ([0,50,0])
{
//bolt holes
for (i=[0:60:360])
rotate ([0,0,i])
translate ([15.2,0,-1])
cylinder (h=14, r=1.9, $fn=90, center = true);

//motor shaft hole
translate ([0,7,-1])
cylinder (h=14, r=7, $fn=90, center = true);
}
}


//cylindrical support
translate ([-28,-20,4])
rotate ([-90,0,0])
cylinder (h=95, r=4, $fn=90);