[TR] roll bars

[Andrew Uprichard]

Both my TRs (a TR3 and a TR250) have roll bars and the insurance (American
Collectors) was unaffected

Andrew Uprichard

-----Original Message-----
From: triumphs-bounces at autox.team.net
[mailto:triumphs-bounces at autox.team.net] On Behalf Of Bob Labuz
Sent: Friday, October 26, 2012 8:02 AM
To: Tim Gaines
Cc: triumphs at autox.team.net
Subject: Re: [TR] roll bars

Tim,

I have no opinion on roll bars, but I have heard it mentioned on this list
and forums that classic insurance companies will not insure a car with a
roll bar.

Again, I have no experience with roll bars so this may be BS.

But, it wouldn't hurt to check with your insurance underwriter first.

Bob

On 10/26/2012 12:23 AM, Tim Gaines wrote:
> I've decided that I have been pushing my luck driving my TR6 without a 
> roll bar.  From what I have read on archived forums, there really is 
> very little added safety from roll bars that aren't bolted or welded 
> to the frame.  One of my Miata friends tells me that his Hard Dog bar 
> is just that, but Hard Dog doesn't make one for the TR6, and I'm not 
> finding any other one that I can afford.  I like the "looks" of the 
> Boss Frog bar; it looks pretty sturdy with a single loop spanning both 
> seats with bracing that provides four mounting feet and two additional 
> diagonal braces.  It looks just like the one Moss sells.  Trouble is, 
> the feet simply bolt through the floor panel to heavy-duty back plates 
> with no frame mounting.  I'm wondering if the back plates under the 
> main (front) feet, which are pretty close to a frame member, could 
> actually be connected to the frame by welding them to flanges.  I had 
> a local welding shop fabricate and weld support flanges for my 
> differential mount early on, and it doesn't seem that these back 
> plates would be all that different a job.  Maybe I could even work out 
> a template for new back plates that actually have a flange that could 
> be welded to the frame.  So, my question is, has anyone actually done 
> something like this, or is it a hair brained idea?  I'm also worried that
mounting just the front two feet rather than all four this way may not give
enough strength.  What do you think?
>
> Tim Gaines
> Clinton, SC
> 1974 TR6
> 1980 Spitfire

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