External mirrors

Udo

Supporter
I need some advise: for the external mirrors, I plan formula 1 types. Saw in the past that they where directly bolted in the plastic side windows, while others used supporting parts/sheets, bolted above the side windows and carrying the mirrors. Any pro and cons?
 
Hi Udo m8 these are what i have used ,,
 

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Udo,
I can give you a 7000 mile report that no stress develops on the Lexan window using the F1 mirror. I chose these for a number of reasons and I also see them used on the GT-40's racing in Goodwood. Get the convex mirror and you'll have plenty of side and rear view. The only issue early on was that they would fold back around 120-125mph so I tightened the lower ball joint and upper swivel and they are staying put. BTW, I use no backing plates but do use aircraft hdwe (i.e. MS24693 counter-sunk machine screw, AN364 Low-Profile Elastic Stop Nuts, with the AN960 Flat Washer) in a 1/4-28 sizing. Last thing....you may find that the opposing mirror will need to be positioned back a bit more than the driver's side. I mounted mine in the same spot on both sides and notice that the A-pillar blocks a bit in the upper-left corner of the mirror.

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Udo

Supporter
John, Tom, thanks for the feedback. This makes my life easier and the build faster! Udo
 

Dave Collins

Supporter
Udo,

I use SPA GT mirrors with convex lens. I have found these to be excellent for both road and track use giving good rear visibility. I have mine attached through the side windows onto a bracket bolted to the door to minimise stress on the window if they get knocked. As well as holes for the fixing bolts there is also a hole to allow access to the grub screw that tightens against the ball joint at the bottom of the arm.

Dave
 

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