[kach22i]

To be clear I was asking about air-cooled era targa tops.

However, I did find this one for the 996, Makrolon is a trademark name of Polycarbonate.


Classic Hardtop CT 996-001

Classic-Hardtop for Porsche 911 (996) Specifications: • Carbon composites high-tech structure • Stainless steel locking devices • High-tech nano-coated Makrolon rear window (Scratch-resistant and anti-static coating) Exterior: • surface of the roof parts: body color or visual Carbon with clear lacquer • Surface Targabügel: body color or clear-coated carbon with clear lacquer • Colour of the rear window: medium gray Optional: transparent, and dark gray Interior: • roof parts: Carbon • Targabügel: Porsche Alcantara dark gray • Rear carrier: Porsche • Leather: selection ! Weights: rear part 18 Kg Roof Parts 9 kg aerodynamics: Closed cw 0.28, roof cw open: 0.30 Please select the postion Shipping Methods Extra. ATTENTION! IMPORTANT ! Price change from 1.1.2013 New price:.. € 14,950 including VAT Secure yourself the old price if ordered until the end of 2012

Other products:
http://www.gtn-automotive.com/gtn/sites/gts_e.html

The GTS-Top is made of innovative and advanced materials, for example: extremely lightweight and highly robust carbon fiber (CFRP) for the frame, with Makrolon glass, hard anti-scratch coating, stainless steel fasteners with Teflon bushings and modern EPDM seals.

It is 2 kg lighter than the already light original one.

.........................after a long development time of more than 2 years and great expense, we had to wait for the approval by the German authorities. Without getting a very special document, we are not allowed to use the roof for legal road use.

EDIT:

Polycarbonate = Makrolon
Préparation: Allègement Porsche 924...

Hayon arrière en Makrolon.

I had Google translate parts of that page, for some reason it's not automatic.

Same for the rear window, which can be replaced by a plexiglass model (forbidden!), Lexan or Makrolon. Several companies sell on the Internet (see links), and a member of club9.24 has already manufactured a rear window Makrolon. Price: € 550 without the reinforcement or fin ... Cher, and fragile (unbreakable, but beware of scratches), but very light! It's quite comical as a material, it bends

I mounted the tailgate + 4 side windows with sliding window for the driver. The result is not bad at all for craftsmanship! But it takes more than 850 € ...
- Weight of original tailgate (+ fin 944): approximately 25kg
- Weight of poly tailgate (without spoiler): about 7kg.
And another 18 kg won here!
I intend to be a spoiler 968 Turbo RS in the future, poly course, but it's a matter of the budget, rather short right now ...
I redid the seal all around silicone seal.

Otherwise, I began to climb the small side windows Makrolon also ... Not easy! I have already made 6 claws
Question weight:
- Macrolon: 725 grams a pair!
- Glass: 1590 grams a pair!
Less than half
But beware: too pronounced weight gain in the rear of the vehicle will cause an imbalance of the car, that too much weight on the front. So I think that a rear window Makrolon (for example) must be accompanied necessarily a hood and front fenders poly ...