[DeTomaso] Carpet or Not (Re: Asa's installing the roll cage)

Asa Jay Laughton asajay at asajay.com
Sun Jan 31 11:46:33 EST 2010


Yes it does.  Which is convenient as it provides at least one access 
hole to attach the rear plates for the roll cage.

Asa Jay

Asa Jay Laughton, MSgt, USAFR, Retired

& Shelley Marie
Spokane, WA

1971 Mach I Mustang  [ASA JAY]
1973 Pantera L 5533  [ASASCAT]
    
******************************     
http://www.asajay.com
http://www.teampanteraracing.com
  



Julian Kift wrote:
> Asa Jay,
>
>  
>
> Does your Pantera have the rocker plate style seat belt mounts that cover large holes in the rockers?
>
>  
>
> Julian
>  
>   
>> Date: Sat, 30 Jan 2010 21:59:42 -0800
>> From: asajay at asajay.com
>> To: detomaso at realbig.com
>> Subject: [DeTomaso] Carpet or Not (Re: Asa's installing the roll cage)
>>
>> I think this has been very interesting and enlightening feedback, from 
>> everyone. My Dad also went through Aviation Safety and Accident 
>> Investigation School over 20 years ago. I have a lot of respect for that.
>>
>> The carpet in my Pantera is original. It has some really nice (and 
>> large) holes in it on the drivers side that are covered -nicely- with a 
>> set of DeTomaso logo floor mats. It looks real pretty when all cleaned 
>> up. You'd never know there were holes in the carpet.
>>
>> Once I get this roll cage bolted down, on top the carpet (remember this 
>> is a test fit), I'll have a perfect template. I can then take a nice 
>> sharp blade to the carpet and cut out the area where the flange meets 
>> the rocker. Remove the cage for powder coating, finish up the carpet 
>> cut and I'll be set.
>>
>> I'm using Grade 8 bolts for the assembly.
>>
>> I don't intend to put this cat on it's roof, but then, who does? I 
>> imagine Jim Saxon never planned his rollover either. I also don't plan 
>> on going faster than Mad Dog..... unless I'm driving -his- Pantera. ;)
>>
>> I'd just like to say I appreciated this insight and will be mindful of 
>> it, as I think others should be as well.
>> Thank you,
>> Asa Jay
>>
>> Asa Jay Laughton, MSgt, USAFR, Retired
>>
>> & Shelley Marie
>> Spokane, WA
>>
>> 1971 Mach I Mustang [ASA JAY]
>> 1973 Pantera L 5533 [ASASCAT]
>>
>> ****************************** 
>> http://www.asajay.com
>> http://www.teampanteraracing.com
>>
>>
>>
>>
>> MikeLDrew at aol.com wrote:
>>     
>>> In a message dated 1/30/10 17 34 37, guson at home.se writes:
>>>
>>>
>>>
>>>       
>>>> Carpet between cage and car: Big time no-no IMO.
>>>>
>>>>
>>>>         
>>> If the cage is just there for looks (as most of them are), then it's not a 
>>> problem. But if you're installing a roll cage with the idea that you might 
>>> actually want it to function someday, then yes, you're absolutely right. 
>>> It's critical that you get metal-to-metal contact between the feet of the 
>>> roll cage, and the chassis of the car, which means the carpet HAS to go.
>>>
>>> Car crashes can be incredibly violent things. In an impact, the carpet 
>>> would easily crush and allow the roll cage to move around. There is a shear 
>>> plane there, and the bolts could easily shear and cause the roll cage to 
>>> come loose, rendering it useless. That's one of the many things I learned 
>>> (well, not about roll cages and carpet specifically, but rather more generally) 
>>> when I went to the Air Force's crash investigation school. We studied 
>>> failures that led to airplane crashes, as well as failures that took place 
>>> during the course of crashes, and one of the important points that was stressed 
>>> was that when two things that are supposed to be bolted together are tight, 
>>> they are strong, but when the bolts are loose (which is what they would be if 
>>> there was carpet between them), they are incredibly weak, and the weak link 
>>> is the bolts.
>>>
>>> It would not surprise me if a roll cage that was bolted on top of carpet 
>>> would fail tech, if the tech inspector noticed it.
>>>
>>> Figure out where the footprint of the cage is on the carpets, mark them, 
>>> then cut the carpet there. If you don't want to leave the cage in place 
>>> permanently, you can probably glue the carpet back in place on a semi-permanent 
>>> basis, or come up with some other aesthetically pleasing solution.
>>>
>>> Mike
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