Behind the Scenes photos


Sinovac

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Jul 18, 2006
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Largo, Florida
 

stuntman

GT Owner
Jan 15, 2015
216
Is this considered a full carbon fiber tub (i.e. pillars and roof too)?
Not really. I don't think the carbon pillars are molded into the tub or are structural. The FIA-spec rollcage provides the rollover protection and strength. I think the roof and a pillars are just body skins..
 

Ed Sims

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Why the hell isn't Indy GT all over this thread? There should a be a lot of engineering stuff none of us have ever heard about flying about by now!

Ed
 

soroush

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Why the hell isn't Indy GT all over this thread? There should a be a lot of engineering stuff none of us have ever heard about flying about by now!

Ed

I think he finally gave up on us :)
 

fjpikul

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Still on his way back from Daytona. He is taking the long way around because he is old.
 

GKW05GT

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Why the hell isn't Indy GT all over this thread? There should a be a lot of engineering stuff none of us have ever heard about flying about by now!

He can't access the internet on his bag phone?
 

Hans Efde

Well-known member
Jan 16, 2016
117
Not a full monocoque

I thought it is, only a metal roll over bar as is on the GT. But no metal in the sills, floor, or bulkheads.
Alfa%2520Romeo%25204C%2520Chassis%2520Material.jpg
 

Hans Efde

Well-known member
Jan 16, 2016
117
Mentioning composite monocoques, I am a huge fan of British engineering and this is one of the best:
gtm-libra-monocoque-front.jpg

gtm-libra-monocoque.jpg

It's a GRP monocoque, made by GTM. The only metal is the rear subframe for engine and suspension.
They built the Libra and Spyder until one of the owners died, sold all stuff to Westfield who shelved the project. Around 400 cars built in total.
These cars had a curb weight of around 1400lbs. They even weren't painted, the red stuff is gelcoat, straight out of the mold.
 

dbk

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c036df6d29d4c78bc7d96f428c78d511.jpg
 

TO AWSUM

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Jul 4, 2007
1,506
Niceville FL

What is it for us non-automotive employed folks? Thanks.
 

TO AWSUM

Ford GT Owner
Mark II Lifetime
Jul 4, 2007
1,506
Niceville FL
Mentioning composite monocoques, I am a huge fan of British engineering and this is one of the best:
gtm-libra-monocoque-front.jpg

gtm-libra-monocoque.jpg

It's a GRP monocoque, made by GTM. The only metal is the rear subframe for engine and suspension.
They built the Libra and Spyder until one of the owners died, sold all stuff to Westfield who shelved the project. Around 400 cars built in total.
These cars had a curb weight of around 1400lbs. They even weren't painted, the red stuff is gelcoat, straight out of the mold.

I used to write the various OEMs about doing exactly this about 30 years ago. I said it would be especially useful for pickup trucks that take a lot of abuse scratching paint which leads to the metal rusting, and cars running on roads salted in the winter. I think a plastic car/truck would flex in accidents reducing whip lash, be lighter, rust proof, etc. Maybe these self driving cars will be manufactured like this.
 

STORMCAT

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I used to write the various OEMs about doing exactly this about 30 years ago. I said it would be especially useful for pickup trucks that take a lot of abuse scratching paint which leads to the metal rusting, and cars running on roads salted in the winter. I think a plastic car/truck would flex in accidents reducing whip lash, be lighter, rust proof, etc. Maybe these self driving cars will be manufactured like this.

They can stamp metal fenders , hoods, and the whole half of a uni-body vehicle in seconds,, GRP and CF items these take to long to make for mass produced vehicles.. If you ever get a tour of and automotive stamping plant you'd be amazed !!
 

Hans Efde

Well-known member
Jan 16, 2016
117
A GRP monocoque multi purpose "works"vehicle existed in England, using Ford running gear (Escort or Fiesta, forgot name and details). Yes composite monocoque cars are extremely safe because of the construction soaking up all energy. Still they are very stiff, the GTM shown above had a better lbs/degree torsion rate than a Lotus Elise. My car, a Midas, was crashtested at Mira and only the first 50cm was damaged. The problem is in the production process, it's a slow process that takes many manhours. That's why composite monocoques are still not mainstream. Even combining fibre material with thermoplastics (something you are referring to for future "google" cars) has still not matured. Then there is the question of recycleability and repair. I've read about people wanting bare carbon skin on their GT as Pagani does (a 100000 euro option). What if it gets damaged? Reskinning is extremely difficult.
 

Sinovac

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I thought it is, only a metal roll over bar as is on the GT. But no metal in the sills, floor, or bulkheads.
Alfa%2520Romeo%25204C%2520Chassis%2520Material.jpg

By "full monocoque" I mean the entire cab structure (like the LaFerrari below), not just the lower part.

IMG_5620.JPG
 

stuntman

GT Owner
Jan 15, 2015
216
^no, but the GT has the same FIA-spec upper cage and rollover protection that's in the LeMans winning racecar, and that's pretty cool in its own right
 

dbk

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What is it for us non-automotive employed folks? Thanks.

Front of the tub. Indentation is the area just ahead of the steering wheel. Bracket being put in looks like it should be for the front hood.
 

dbk

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2828713a6fc7bb4a08dbee95f5530a3c.jpg


Fitting body panels.
 

roketman

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I love this stuff!
 

Sinovac

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^no, but the GT has the same FIA-spec upper cage and rollover protection that's in the LeMans winning racecar, and that's pretty cool in its own right

Yes it is. I'm reaching a level of Porsche-like geekiness about this car. I'm not sure I like this side of me.
 

Awsum GT

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Looks like they are making the photos blurry intentionally