A build manual for the Five Gallon Bucket Hydroelectric Generator is available here:
Since it’s publication we have developed a permanent magnet alternator (PMA) based upon the Nippondenso alternator common in Toyota cars and trucks. This allows for a more economical alternative to the General Motors based PMA used in the original build manual.
A build manual for the Toyota alternator based PMA is available here:
Check out the schematics of the bucket generator and Toyota based PMA that Ross Mazur put together:
Also in the works is an addendum to the Five Gallon Bucket Hydroelectric Generator Build Manual which details the Toyota alternator based PMA’s incorporation into the original design.