channelslop=selsz(slop,0.75,slop);
exteffrad = 70;
-hubeffrad = selsz(30, 82, 40);
+hubeffrad = selsz(30, 52, 40);
hubbigrad = selsz(20, 38, 38);
hublwidth = selsz(3, 2.5, 3.0);
hubstemwidth = 2;
axleaxlefudgebend = 3;
axlepadlen = 1.0;
-armend_length = 120;
+armend_length = selsz(120, 150, 120);
prongthick=selsz(5,4,5);
prongwidth=selsz(5,4,5);
prongribwidth=3;
prongribheight=selsz(0,0,4);
-ratchetstep=15;
+ratchetstep=10;
ratchettooth=3;
ratchettoothheight=5;
ratchettoothsmoothr=1;