don't wind ever, don't shake either
a few twirls in my palm are all it takes to get mine going
i rarely worry unless the power reserve drops below 24 hours
in your case i suggest you get the rotor fixed (& well if you're sending it out, might as well get it serviced too)
Flying B sure is HOT !
HERE's mine on Gunny w/OR deployant
and ANOTHER
p.s.
strap quality is phenomenal as well, i'm beginning to see why they cost as much as they do