Dan,
Thanks for that info Dan. I think the local owner hs the earlier type of
fins (circumferential) but out of interest I will check at our meeting next
week.
I agree that it would not make a great difference but its interesting (to me
at least) to note the changes...
Cheers,
Michael
63' TR4
69' 2000
Sydney, Australia
>From: Dan Buettner <danb@thelittlemacshop.com>
>To: "Michael Gajic" <michaelgajic@hotmail.com>, triumphs@autox.team.net
>Subject: Re: alluminum brake drums
>Date: Fri, 5 Apr 2002 20:17:15 -0600
>
>The fins on the ones I got are parallel to the axle shaft; that is,
>they are vertical if you lay the brake drum flat on a table.
>
>Some early, or period, drums had circumferential fins - that is,
>there were several rings that went around the brake drum.
>
>I am not sure which design would provide better cooling; certainly,
>either aluminum drum with fins provides better cooling than an iron
>drum with no fins.
>
>Dan
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