Gold Prospecting Info: Mike's Drywasher
Live. •. This is my homemade dry-washer used to concentrate desert gold bearing sand and ready it for panning. The design was taken from studying many different styles of puffer dry-washers. The pulley is a 17" round made from pine and grooved for a v-belt. It is powered by an auto heater blower 12 volt motor with a 3/8" bore X 1 1/2" drive v ...