[W126 Coupe] Rotors, was: I'll be needing a new hood...

[chris schafer]

> I've turned a rotor or two in my day. 

When I did this 25 years ago I would cut the rotor first in the lathe and then grind it with a rotating sanding disc. This gives it the cross-hatch look instead of the tiny grooves you get from just the lathe.

Makes for a better surface to work with the brake pads.

I suppose you could take any new rotor and have the auto parts store grind it like this provided they have the lathe available.

Chris Schafer

> 
> 
> It's how the surface is machined.
> 
> -----Original Message-----
> From: mbcoupes-bounces at mbcoupes.com
> [mailto:mbcoupes-bounces at mbcoupes.com] On Behalf Of Dan Landiss
> Sent: Tuesday, December 27, 2005 12:45 PM
> To: Mercedes Coupes Mailing Lists
> Subject: Re: [W126 Coupe] Rotors, was: I'll be needing a new hood...
> 
> Rusty Cullens wrote:
> > They are "cross thatched" and not "spun" like most disc.
> >   
> I'm going to have to learn more about that. The only way I can visualize
> 
> making a vented rotor is to cast it, and then machine the surfaces. Is 
> "cross thatching" some special technique during the casting process?
> 
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