Tech1 wheels
11-29-2011 | 08:15 PM
#47
Intermediate
Joined: Feb 2010
Posts: 40
Likes: 0
I've cracked just about every wheel that I've ever had on the rear, multiple brands, all very highly regarded. Most teams used to throw the magnesium BBS's out after 1 or 2 seasons because of that reason, or find a sucker to buy the used one of them to put on a street GT3. Aluminium centers are better, but I'm under no illusion that they are unbreakable. Send me a set, give me a year and I'll prove it to you :-).
High lateral loads and the car's high moment of inertia create a high bending moment on the wheel spokes and if they are not stiff (mechanically resistant) enough, they will develop fatigue cracks or fractures.
We've not seen this until now with our wheels, except with one guy who overheated his wheel in a powder coat cure process. That will ruin the tensile strength in a forged alloy.
