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Old 11-15-2012, 06:30 PM
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Originally Posted by 1971BB427 View Post
I've built shields from thin aluminum sheet that easily cut and bent. Also some header wrap to the closest tubes to insulate the heat from getting to the shield.
Exactly. Using two or more pieces together and leaving an air gap of maybe 1/8" between the pieces by using flat washers as spacers works well. I have never seen the fan arrangement, but it makes a lot of sense to me.
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