I have used a worm gear winch from the Dutton-Lainson Company for the last 8 years with no problems.
Model Nr. 6312A or 5312A {poor eyesight !!}
Raising a C/craft A3S + 40M addon.
C/craft D3W
Vine 4el for 6m
Diamond X6000A
Up an Aluma 60ft mast.
73 Steve ZC4LI.