An excerpt from the DVD "I have a lathe. Now what?" by Ron Brown. This is a complete chapter on determining the proper speed depending on the diameter of the work piece. How fast should you turn a 10 An excerpt from the DVD "I have a lathe. Now what?" by Ron Brown. This is a complete chapter on determining the proper speed depending on the diameter of the work piece. How fast should you turn a 10 bowl blank? A pen blank? a 3 inch table leg? This clip will tell you. More info available at www.coolhammers.com