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Our Cage Build (pic heavy) - Printable Version

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- betegh9 - 05-10-2010

If you or anyone would think as a STRUCTURAL ENGINEER, you have to think of all and any member of the cage to be either in tension or compression based on the loading.  TRIANGULATION PROVIDES THE BEST STRENGTH without putting bending moments at the joints.  Take it for what it is worth to you.

- audisnapr - 05-14-2010

Larry Herman wrote:
Quote:Here's a picture of proper door bars using an X brace design with a strong gusset. I can find pictures of other types if you want.

[Image: SpecBoxster0504.jpg]

Larry,

We are looking more closely at the gusseted X as our door bar as you suggested. Does the X in the photo you posted pop out into the door a little bit or is it just the angle the photo was taken at?

- Larry Herman - 05-14-2010

The X sticks out into the door, by several inches.  Here are some more shots of a Grand Am cage with additional bracing.  Note that it also "sticks out" and it has that large loop like you were going to make, but it is somewhat triangulated by 2 stubby pieces of pipe back the the X bracing.

[Image: 231025d1194486182-pictures-of-cup-car-ca...tional.jpg]

[Image: 231026d1194486196-pictures-of-cup-car-ca...onal-2.jpg]


- audisnapr - 05-14-2010

Larry Herman wrote:
Quote:The X sticks out into the door, by several inches. Here are some more shots of a Grand Am cage with additional bracing. Note that it also "sticks out" and it has that large loop like you were going to make, but it is somewhat triangulated by 2 stubby pieces of pipe back the the X bracing.

[Image: 231025d1194486182-pictures-of-cup-car-ca...tional.jpg]

[Image: 231026d1194486196-pictures-of-cup-car-ca...onal-2.jpg]

ok. can't see the pics. have to be a member of that forum.

- Larry Herman - 05-14-2010

Pic #1




- Larry Herman - 05-14-2010

Pic #2




- audisnapr - 05-14-2010

thanks Larry, these are great!

- audisnapr - 05-14-2010

a little friday update from the guys at TyrolSport

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- audisnapr - 05-27-2010

progress. it is being made.

[Image: DSC_0147.JPG]
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- audisnapr - 06-03-2010

The guys over at TyrolSport have been really kind to us with the updates - here's some more progress

[Image: DSC_0406.JPG]
[Image: DSC_0407.JPG]

after our initial test fit, we realized that although our helmets would most likely clear the halo diagonal once the padding was in place, it was best to give a some additional room. Tom added a kink which should provide a few additional inches of clearance.
[Image: DSC_0408.JPG]

the passenger side door bars have a 5* bend to bring them out as close to the inner doors skin as possible
[Image: DSC_0410.JPG]

the driver's side has a much bigger kink to give us more room
[Image: DSC_0412.JPG]
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it's coming along! Big Grin