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997 Targa

Grant

Grant

New member
Michael why a Targa, sorry to say I think they are neither fish nor fowl!
A large noisy sunroof doesn't give you the wind in the hair/ exhaust in your ears of a cab. & it will add about 70kg (if the 996 is anything to go by) to the cars weight. the only benefits I can see are...........................
a: It has a nice bright cabin due to the large glass roof..... &
b: They are great value second hand because they depreciate more than coupes or cabs. second hand 996 targas are a steal.
 
Having had a 996 Targa and a 997S, I can only agree with the previous comment. It is very noisy with the roof open. Moreover, would you want to track a car with approximately 70 kgs strapped to the roof, for that is the weight of the glass. Think about C of G. However, there are some who love the concept, so my advice would be to borrow one for a couple of days. You might change your mind.
 
ORIGINAL: dereksharpuk

Moreover, would you want to track a car with approximately 70 kgs strapped to the roof, for that is the weight of the glass. Think about C of G.
Click to expand...


Derek - far be it for me to doubt you on this, but I am going to do so anyway... Are you sure that 70kg is just the roof difference? That sounds incredible. I've just braved the weather to measure the flat steel area of the roof of my 997. It is pretty much 100cm x 100cm. Steel has a density of about 7.8grams per cubic centimetre, so if I make a wild assumption that the sheet steel is 0.1cm thick, that will weigh 7.8kg (Sounds heavy to me).

Glass has a density of 2.6grams per cc, so even if it were 5mm thick, it would weigh 13 kg, so I think the glass would only add 5kg to the total weight. Maybe they just made the roof mechanism out of lead.

Having done all my maths, I've then done what I should have done in the first place and picked the 996 brochure off my shelf. I see that the Targa car is quoted as 70kg heavier, but is it not likely to be the case that the Targa has some/all of the Cabriolet's body strengthening, which is in fact likely to be very close to the centre of gravity?

With due respect to ex-register secretary, bow down in mercy, etc. etc... :)
 
ORIGINAL: dereksharpuk
Moreover, would you want to track a car with approximately 70 kgs strapped to the roof, for that is the weight of the glass. Think about C of G.
Click to expand...
Isn't this to do with the fact that the Targa is based on a cab with all it's extra rigidity in the body?
Alan
 
Oh dear, have I ignored my own advice given to my aviation students "Don't assume, check"? You are possible right, though there is considerable mechanism and strengthening. But maybe not 70 kgs worth. Stupid boy!

Bowing down in mercy now..........
 
ORIGINAL: TimD

ORIGINAL: dereksharpuk

Moreover, would you want to track a car with approximately 70 kgs strapped to the roof, for that is the weight of the glass. Think about C of G.
Click to expand...


Derek - far be it for me to doubt you on this, but I am going to do so anyway... Are you sure that 70kg is just the roof difference? That sounds incredible. I've just braved the weather to measure the flat steel area of the roof of my 997. It is pretty much 100cm x 100cm. Steel has a density of about 7.8grams per cubic centimetre, so if I make a wild assumption that the sheet steel is 0.1cm thick, that will weigh 7.8kg (Sounds heavy to me).

Glass has a density of 2.6grams per cc, so even if it were 5mm thick, it would weigh 13 kg, so I think the glass would only add 5kg to the total weight. Maybe they just made the roof mechanism out of lead.

Having done all my maths, I've then done what I should have done in the first place and picked the 996 brochure off my shelf. I see that the Targa car is quoted as 70kg heavier, but is it not likely to be the case that the Targa has some/all of the Cabriolet's body strengthening, which is in fact likely to be very close to the centre of gravity?

With due respect to ex-register secretary, bow down in mercy, etc. etc... :)
Click to expand...

Tim, the 996 targa was actually based on the coupe body for the first time (previous Targa's were based on the cab. body shell!) but it is still 70 kg heavier than the facelift 996 C2 coupe, electric motors, modified reinforced roof, large heavy glass area etc etc. if you compare it to the pre-facelift cars it is actually 95kg heavier than a C2.
I suppose in the real world the performance would still be similar, despite the power to weight variances, just as a matter of interest the bhp per tonne figures are approx 227-C2 238-C2 facelift 226-Targa
Maybe the 997 will be different, but I don't think so.
 
Todays Autocar 07/06/06 has the following:- [8D][8D]

C99131293B74438496F99B8D24FA7E42.jpg
 
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