B Bowfisher Well-known member Nov 7, 2012 #21 I remember reading that AC went away from the DD cause they found it to be less efficient than a traditional chain case. I think they said a chain case was 3 to 5 percent more efficient but I'm not 100% on that.
I remember reading that AC went away from the DD cause they found it to be less efficient than a traditional chain case. I think they said a chain case was 3 to 5 percent more efficient but I'm not 100% on that.
