> Edward Klepeis wrote:
     >
     > Dear Doug of japan
     >  I believe the alloy on the pulleys are 7075 I will know more about them when I get them for my eng.The gentleman from the co. would like to
     attend
     > Sun N Fun next year  I think he has alot to offer the rotary movement. I am looking forward to work with him on this project.
     >
     Regards
     >                                                                                                                                                Ed
     >
     techwelding@comcast.net

     You can always hard anodize them Doug to cut the wear.

     Paul Lamar

Paul, If hard Anodize is used 6061 would be better. 7075 is stronger
but doesn't anodize well.
Bil Jepson

 
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