[TR] Stupid, stupid

Randall tr3driver at ca.rr.com
Thu Oct 18 14:23:31 MDT 2012


---- Andrew Uprichard <auprichard at uprichard.net> wrote: 
> I am in the middle of a small-mouth restoration and recently had the
> stanchions and windscreen frame re-chromed.  Went to install the nine small
> tenax fasteners and realized that a previous owner had drilled out two of
> the holes. 

There is a special Tenax stud that was originally used only on aluminum frames.  It doesn't thread into the frame at all, instead it passes all the way through and has a slotted flathead "nut" that comes in from the other side.  Only noticeable if you look for it, and not objectionable then, IMO.  I haven't tried it yet, but I am planning to use one of them to 'repair' a stripped hole in my original windshield frame.

TRF had the studs reproduced.  I don't recall the PN offhand, but it's in the SPC.  When you go to drill the frame, use a fine stone to remove the rake at the tip of the drill (basically dull it a bit) so it doesn't dig into the soft brass under the chrome.  It might be wise to use a Dremel and a small abrasive burr to cut through the chrome layer, to avoid the possibility of peeling it off around the hole.

I will also be using a stop collar on the drill bit, to limit depth and hopefully keep it from hitting the glass, but I assume you won't have that problem.

Randall


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