Composite hoods

THE place for technical discussions concering the construction and preparation of SAABs for all forms of motorsport, Rally, Road Racing, Auto-X etc....
Rallyho
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Postby Rallyho » Tue Jan 09, 2007 3:34 pm

Yeah. Yankton Tuned...their site shows all carbon products discontinued and molds for sale...except for the 900 hood which shows already sold.

Sent an email to the address listed and it bounced.
Rallyho

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Luke
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Postby Luke » Tue Jan 09, 2007 5:03 pm

I got the mold used from a guy that used to race a 99 in ITB. The mold was in pretty bad shape so I had to resurface it. I'll look up the specs on the kevlar I used but everything I got either came from Fiberglast.com or Aircraft spruce. I used all epoxy resin which has really low shrinkage so the the hood fits really well. The kevlar is awesome stuff but its a pain to work with because its almost impossible to cut.

james
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Postby james » Wed Jan 10, 2007 12:54 am

Keep in mind that Luke is removing weight from the most important area- the front of the car. On a nose heavy car like the 99 or 900, it helps most up front. With the new rally car I am paying a lot of attention not to overall weight but to weight distribution. On the old car we moved as much as possible rearward and still ended up with a twitchy, very light rear end and a nose heavy front end. It got to the point of running events with a nearly full tank of gas just to help balance the car.

Mike, for the 900 hood it really helps to remove the hinge assembly and the ribbing from the back of the sheetmetal. Still metal I know, but it is noticeably lighter until those mythical fiberglass hoods from sweden show up.

james

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max
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Postby max » Wed Jan 10, 2007 9:39 am

I think Luke's next car should be rear wheel drive. Just cut out the entire subframe, turn 180 degrees, and paste it into the trunk! And drive with the transmission in reverse..
-Max
"My car is neither discreet, nor off-road worthy." :huh:

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Jordan
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Postby Jordan » Wed Jan 10, 2007 9:49 am

If only real life was as easy as photoshop...

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max
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Postby max » Wed Jan 10, 2007 10:14 am

Yeah, no kidding. :(
-Max
"My car is neither discreet, nor off-road worthy." :huh:

Rallyho
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Postby Rallyho » Wed Jan 10, 2007 10:39 am

Hey J-Ball! Yeah, I'm down with the struggle to remove weight high up and at both ends. The 1400 feet of roll bar tubing I'm welding in is sure to make the 2wd Open class minimum weight a moot point!

Anyway, the rear hatch really needs to meet Mr. Plasma Cutter...as does the hood. There is a lot of ribbing, hindges, attachment points that can go.

A carbon or kevlar hood may not be in the cards (@ $900 to buy) unless we can come up with some way to build-to-sell a few.
Rallyho

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SaabsBreakDown
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Postby SaabsBreakDown » Fri Jan 19, 2007 12:19 am

1400?

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max
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Postby max » Fri Jan 19, 2007 8:17 am

So, is your car really going to have a quarter mile of roll bar tubing? :lol:
-Max
"My car is neither discreet, nor off-road worthy." :huh:

Rallyho
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Postby Rallyho » Fri Jan 19, 2007 11:25 am

Well, maybe not that much....but it sure feels like it!
Rallyho


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