Mike Mac's
Wayfarer Sail Setting Guide
.....
light winds: crew sitting in
 
flat water
chop
rig tension
medium
medium slack
jib sheet tension
fairlead forward
sheet eased
fairlead well forward
sheet medium eased
main sheet tension/
boom end position
boom eased
leech eased
boom eased
leech eased
cunningham
nil
nil
kicker/vang
very light tension*
light tension*
main foot tension
very tight
slightly eased
mast bend
no chocks
pre-bend
slightly chocked
pre-bend
sailing trim
minute heel
weight forward
minute heel
weight forward
* Uncle Al's note: we never use the vang going upwind in light airs - I believe Mike is referring to vang use on reaches and runs: just enough to keep the boom level to the water

heavy air
medium air