Using the Country Living Grain Mill the average person can grind 7 12 cups of flour in 13 minutes by hand However the Country Living Grain Mill can be powered by an electric motor OR an exercycle Features 712 cups in approx 13 minutes Large 5 cup 2 lb grain. Send Email: [email protected] Message Chat Online. Crusher Spares Since. China Crusher parts Manufacturer Specializing in the production ...