String Align Windscreen

[LoBelly]

My windscreen is cracked and since VicRoads insist that I need a windscreen I thought I'd try to minimise the chances of it instantly cracking again.

I did a quick search and couldn't find much on string aligning your cobra windscreen.

rather than type a couple of thousand words...





It's a handy technique courtesy of my little brother that I had not heard of.

the idea is that the string should cross in the centre and just touch.

LoBelly

[sambo]

Nice tip LoBelly, thanks!

[stephen low]

Originally installed my windscreen and support brackets as one piece.

Hadn't any problems in the short stint of driving I did in the car, but curious if anyone can suggest if I have created a potential stress problem or overcome it too.

[LoBelly]

Originally Posted by stephen low

Originally installed my windscreen and support brackets as one piece.

Hadn't any problems in the short stint of driving I did in the car, but curious if anyone can suggest if I have created a potential stress problem or overcome it too.

Its easy to check Stephen:

- just undo the screws
- remove the windscreen
- check the alignment

It turns out that the under dash roll bar of my RMC was narrower than the 'legs' of the windscreen - which I would imagine created a stress issue
however the crack appeared after we towed the on a trailer with the car facing backward (final straw?)

LoBelly

[Rog246]

Originally Posted by sambo

Nice tip LoBelly, thanks!

Ditto

[BMK]

Good tip mate. Just watch tightening the bracket in the centre of the windscreen for the mirror. I have seen it crack a screen.

I did not use it on my Cobra for that reason.....

Mmmmm Vicccee roads..

[NASSTY]

When I installed my screen I found two issues:

1st the width of the screen to the bar it sits on, if it's too narrow or wide it will stress the screen.

2ndly the angle of the support/bracket on the bar was not on the same angle as the screen so I had to bend it to the same angle. I found this out by another rcm builder clamping his screen to the bar and my the next morning there was a CRACK right down the middle of the screen which made us then check the angle of the screen uprights to the bar bracket. After I did those two things I placed the scrren in and let it find it's own centre. Hasn't cracked yet in 10,000km

[BJ's Snake]

Wouldn't be torque twist on the chassis breaking the screen mate would it!
Cheers
BJ