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04-25-2004, 05:27 PM
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CC Member
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Join Date: Jan 2001
Location: Sunbury,
VIC
Cobra Make, Engine: Rat Rod Racer, LS1 & T56
Posts: 5,391
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Not Ranked
Aero Screen
Hi All,
In order to save a bit of time and have my car ready for the Aussie Cobra Nationals in October I've decided to use a small Aero Screen instead of the full windscreen and wipers. I've spoken to my engineer and He says it'll be OK to register it like this.
This means legally I won't need to fit wipers, winshield washer or a demister to get it on the road!! I'll fit them later when I have more time. It also means I'll have a bit of spare cash to spend on the stuff the car needs to get on the road.
So what I need now is some pictures of Cobras with Aero Screens so I can work out a design for the brackets etc. There must be a few out there so show me your screens!
Cheers
Mike
__________________
Mike Murphy
Melbourne Australia
Last edited by Aussie Mike; 04-26-2004 at 03:49 AM..
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04-26-2004, 12:54 AM
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CC Member
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Join Date: Jan 2003
Cobra Make, Engine: Once Owned CSX4803, CSX803 block, Keith Craft 468, Suspension by Tom Barnard, Built by Kris Kincaid
Posts: 161
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Not Ranked
Re:
Check out Stroker's and Pat Buckleys wind screens in the gallery...amazing workmanship!
Bluedog
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04-26-2004, 03:16 AM
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CC Member
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Join Date: Feb 2002
Location: Alice Springs, central Australia,
NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
Posts: 5,699
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Not Ranked
__________________
Cruising in 5th
---------------------------------------------
Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
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04-26-2004, 03:46 AM
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CC Member
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Join Date: Jan 2001
Location: Sunbury,
VIC
Cobra Make, Engine: Rat Rod Racer, LS1 & T56
Posts: 5,391
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Not Ranked
After browsing through the galleries I've come to the conclusion that Pat has built the nicest looking Aero screen in my opinion.
I think I'll have a go at building something like it.
The more I look at Pat's cool looking screen the more I think the car might stay that way if I build one.
Check it out
Cheers
__________________
Mike Murphy
Melbourne Australia
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04-26-2004, 04:11 AM
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CC Member
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Join Date: Feb 2002
Location: Alice Springs, central Australia,
NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
Posts: 5,699
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Not Ranked
Being full width does it still qualify as an aero screen?
Will it pass without wipers and demister?
Is it made of glass or plastic?
How far will it flex at speed?
I know that is alot of questions but trying to be practical here
__________________
Cruising in 5th
---------------------------------------------
Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
Last edited by boxhead; 04-26-2004 at 04:15 AM..
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04-26-2004, 04:20 AM
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CC Member
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Join Date: Jun 2003
Location: Australia,
Zzz
Cobra Make, Engine: Shelby alum 468 block
Posts: 14,974
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Not Ranked
Mike
Do the 'Nationals Committee' allow Aero screens this year?
I can recal they were going to have a special section for race modifications.
Looks good though.
Cheers
Bernie
__________________
Bernie Knight
KMS 427 #662 Shelby 468 CSX 1026
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04-26-2004, 11:41 PM
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CC Member
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Join Date: Jan 2003
Location: Atlanta,
GA
Cobra Make, Engine: CAV GT40 with 331 KC
Posts: 2,187
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Not Ranked
Hi Mike,
The screen is made from 3/16ths Lexan - get the hardened variety, 9" X 48". The attachment "bracket" is made from .040 aliminum that I stretched to shape following the "footprint" of the original windscreen so that if I go back to the big heavy glass screen the mounting holes will be hidden.
Pat
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04-27-2004, 01:09 AM
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CC Member
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Join Date: Jan 2001
Location: Sunbury,
VIC
Cobra Make, Engine: Rat Rod Racer, LS1 & T56
Posts: 5,391
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Not Ranked
Thanks Pat,
That Cobra of yours is rolling Art.
For the bracket did you start out by folding a straight strip of aluminium at the right angle and then stretch the bottom edge using a lancaster or similar stretching tool? Lancaster I think a friend of mines Dad has bought the shrinker and stretcher so I might be able to borrow one. Or was it careful hammer and dolly work?
Bernie,
I don't care what class they put me in. I'll just be happy to be there!
Cheers
__________________
Mike Murphy
Melbourne Australia
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04-27-2004, 03:16 AM
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CC Member
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Join Date: Jun 2003
Location: Australia,
Zzz
Cobra Make, Engine: Shelby alum 468 block
Posts: 14,974
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Not Ranked
Aero screen option - driver only
Mike
Showed my contract metal shop the pictures here.
They have suggested using a 90 degree aluminium strip ( foldit up) and rolliing it and using slight pressure by hand. They build metal collars this way and felt you could easily do it with basic tools.
The drivers side screen measurements are;
15mm x 15mm x 90 degrees material used. 480mm wide (long).
75mm - 80mm to top or arc of frame from base line. (Make sense - this is the arc you draw).
Use 5mm stainless button heads at 80mm centres for base and 3 of same to attach screen to screen.
These measurements are off my neighbours MGA and the way he has attached his. Just in case you want to use a drivers side only screen. I like that idea. Thanks for the thought.
Good to see they may find a class for us. If not we make the most of a Wednesday, Thursday track hire for ourselves.
Cheers
Bernie
__________________
Bernie Knight
KMS 427 #662 Shelby 468 CSX 1026
Last edited by BMK; 04-27-2004 at 03:22 AM..
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04-27-2004, 07:57 AM
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CC Member
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Join Date: Jan 2003
Location: Atlanta,
GA
Cobra Make, Engine: CAV GT40 with 331 KC
Posts: 2,187
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Not Ranked
Mike -
I used a metal stretcher - do NOT bend it at 90 degrees - I bent mine to about the angle I wanted - something a little flatter than stock.
You have to then use the stretcher on both planes about the same amount as the "curve" is vertical and horizontal.
Anneal first and get a few extra sheets cut and bent so you can practice first (if you are new to this).
Pat
Last edited by PatBuckley; 04-27-2004 at 08:19 AM..
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04-05-2009, 12:20 AM
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CC Member
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Join Date: May 2002
Location: Ashburton, New Zealand,
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Cobra Make, Engine: UK Ram SC. KC-Yates 373, Jerico 5 speed.
Posts: 1,240
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Not Ranked
Aero Screen
Pat, Mike
<do NOT bend it at 90 degrees - I bent mine to about the angle I wanted - something a little flatter than stock. >
My screen is about a 45 degree angle, I guess with the short 9" high screen it might be a mistake to do at 45, if thats what you mean!
I have available a shrinker and stretcher all on high stands so before they go back I will give it a go!
__________________
A J. Newton
The 1960's rocked!
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