Hello,
Welcome to the forum. I'm not the one to give you advice on your dynamo rewind, but I'm quite certain Trev, Groily and a few others will soon be online with the help you need. I believe you are our first Cuban member. To me, this is great, and a testimony to our fearless leader's (Erling's) original idea. I'm wondering, have BSAs been kept in working order in some large numbers there in Cuba, much like old Chevys and Fords?
Regards,
Richard L.