Runs very well on 6v dc. The blade measures 5 1/2 dimeter. The motor dimensions are : 3 1/4″ tall, 3 1/2″ wide. Overseas will be more. Any questions gladly answered. The item “Porter’s Motor No. 1 Antique Electric Battery Fan Motor” is in sale since Monday, May 09, 2016. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Other Antique Science, Medical”. The seller is “electricmotorhead” and is located in Mechanicsville, Virginia. This item can be shipped to United States.