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one of gods prototypes
 
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Quote:
Originally posted by TSNAPCRACKLEPOP
the problem with thicker materials is the possibility if crazing (those small steel wool looking lines of stress)on the bent surface, cupping can be somewhat controlled with jigs, heat, and slow bending.
you said it gravity/progressive heat has worked best for me.

i have no teaser pics and probably won't for quite some time as my 911 is out of my hands and at the body shop getting repaired.......

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Old 06-04-2003, 03:27 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #141 (permalink)
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"problem with thicker materials is the possibility if crazing "

You should be thermoforming the Lexan in to shape. (cold-forming thick clear PC can be problematic)

Lexan (poycarbonate) has great dimensional stability once formed.
The trick is in heating a clear sheet of the stuff with out toasting the surface. (read: slow-going)
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Old 06-04-2003, 04:19 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #142 (permalink)
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my whole process is somewhere in the begining of this thread
the 1" thick blazer windshield i formed took around 14 hours in the "oven"...... if i remember correctly.
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Old 06-04-2003, 04:33 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #143 (permalink)
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let me know when you get this opertaional as I would like one.
Old 07-27-2005, 09:03 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #144 (permalink)
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Not sure if you noticed, but the last post was from 2003. Haven't heard from this thread in quite a while. I wonder how many of the TT projects got off the ground. If you go back on this thread or do a search, there were two or three people that were trying to mass produce something.

It may have actually gotten to the Pelican Parts store so have a look there, too.

FDuvall

Quote:
Originally posted by BudTaylorUS
let me know when you get this opertaional as I would like one.

Last edited by fduvall; 07-27-2005 at 11:10 AM..
Old 07-27-2005, 11:05 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #145 (permalink)
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Probably because Pelican started selling a hard top that bolts on the Targa frame that I have heard is nice. The one in the Pelican store is by JMPRO, Jerry.

Not sure if Bell is still working on this one...

Joe A
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Old 07-27-2005, 11:17 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #146 (permalink)
 
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I sent Bell a message asking for an update.
Old 07-28-2005, 02:50 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #147 (permalink)
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Saratoga Technologies was the company making them for the 911, 914, and 944. They are "in process " on a new website- don't know how long that's been or when they will be ready again. I seriously doubt they would have the tops available. But if you check e bay and the recycler often maybe a used one will pop up that could be used as a master
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Old 07-28-2005, 03:05 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #148 (permalink)
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yes things have gotten sidetracked with the project, but is on the backburner.
i want a prototype by spring of '06.....that's my goal.
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Old 07-28-2005, 04:23 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #149 (permalink)
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has anyone bought the JMPRO one..any feedback
.is there one out ther that is just clear with no headliner ?
Old 07-28-2005, 05:26 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #150 (permalink)
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Where is the link to this I looked at their catalog and can not find anything ?

Probably because Pelican started selling a hard top that bolts on the Targa frame that I have heard is nice. The one in the Pelican store is by JMPRO, Jerry.
Old 07-28-2005, 05:41 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #151 (permalink)
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Here is the link:

http://www.pelicanparts.com/catalog/shopcart/911M/POR_911M_BDYtar_pg1.htm#item0


Targa Top Fiberglass Shell
This fiberglass hard top attaches to your existing Targa frame and utilizes the stock latches and seals. The black gel-coat finish is ready for paint or covering with an OEM type vinyl. The inside is ready for a glue-in headliner – no sewing required. The top is fabricated with hand-laid fiberglass in a mold fabricated from an original factory hard top. The installation is easy and takes advantage of existing screw holes in the frame and is rigidly attached when properly installed.

Why spend money on a new soft top that needs to be replaced again and again? No more sags and wrinkles – the perfect curve of the hard top will always reflect the original contour the Porsche designers intended.

Download installation instructions here (requires Adobe Acrobat Reader).

Targa Hard Top Shell (Fiberglass) - replaces soft Top, requires original frame. Fits 911 1974-89. [Photo]
JM-PRO-T1 $512.45
Quote:
Originally posted by BudTaylorUS
Where is the link to this I looked at their catalog and can not find anything ?

Probably because Pelican started selling a hard top that bolts on the Targa frame that I have heard is nice. The one in the Pelican store is by JMPRO, Jerry.
Old 11-16-2005, 11:58 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #152 (permalink)
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"rigidly attached". Will these increase torsional rigidity and reduce chassis flex? I'm looking forward to being able to afford one of these for my '81 SC.
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Old 11-24-2005, 03:47 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #153 (permalink)
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Quote:
Originally posted by Porschephanatic
"rigidly attached". Will these increase torsional rigidity and reduce chassis flex? I'm looking forward to being able to afford one of these for my '81 SC.
I'd doubt it...
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Old 11-24-2005, 06:53 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #154 (permalink)
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"Ridigly ayttached" refers to the f/g top attached to the top frame , not to the car.
Jerry

Old 11-24-2005, 07:44 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #155 (permalink)
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