XPost: comp.mobile.android, misc.phone.mobile.iphone   
   From: xenolith@optusnet.com.au   
      
   On 14/5/2022 3:21 am, Andy Burnelli wrote:   
   > Xeno wrote:   
   >   
   >> Indeed, I need to see a very overt issue before I would bother   
   >> machining rotors. If you don't feel the symptoms on a road test,   
   >> measurements look ok and the surfaces aren't gouged, I just fit pads,   
   >> then do a bed in process   
   >   
   > Hi Xeno,   
   > On _that_ topic alone, have you ever seen a typical rotor "gouge" spec?   
      
   Can't recall. I just looked at the rotor gouge and, if *I* considered it   
   too deep, into the bin it went. You have to realise that *any gouge*   
   reduces the surface area for braking so if it doesn't machine out, it   
   will take ages for the pads to fully bed, if at all, and will lead to   
   unbalanced braking if the gouges on each side of the car aren't balanced.   
      
   > I have.   
   > That spec is often hard to find, but when found, it's shocking (to me).   
   > For two reasons.   
   >   
   > The first is that the spec allows _huge_ gouges (imho).   
      
   I use my own judgement.   
      
   > And the second is I've never seen a rotor _that_ gouged.   
      
   I have seen terribly gouged rotors - and I've binned them.   
   >   
   > No big deal. I'd junk any rotor that doesn't meet spec w/o a second thought   
   > since a rotor is a safety item that costs only about $15 to $35 per wheel.   
      
   Pre-cisely!   
   >   
   > While I'm not saying gouges can't happen, I've _never_ failed a rotor on   
   > its gouge spec in my life (however I only replace my own rotors of course).   
   >   
   > My question to you are the two above:   
   > a. Have you seen how (seemingly) huge a gouge has to be to fail spec?   
      
   Again, I use my own judgement.   
      
   > b. How often have _you_ seen a rotor gouged enough to fail that spec?   
      
   I have had heaps of rotors, and drums, fail my judgemental spec.   
      
   --   
   Xeno   
      
      
   Nothing astonishes Noddy so much as common sense and plain dealing.   
          (with apologies to Ralph Waldo Emerson)   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)