N90ATH
Member
Registered: 10th Sep 03
Location: Boreham, Essex
User status: Offline
|
Is there any real advantages to have drilled and grooved discs over plain?
|
Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
|
No apart from they can crack
|
Root
Member
Registered: 28th Dec 08
User status: Offline
|
Apparently...because of the holes they run cooler which makes them work better.
If there's truth in it or not, idk.
|
Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
User status: Offline
|
Drilled for cooling.
Grooved to clean the pad.
Plain if you don't want them to crack.
|
Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
|
Drilled is a gimmick it won't really cool anything over what the veins offer.
Grooved have some benefit as Ian highlights
|
gav93
Member
Registered: 27th Nov 10
Location: Bexleyheath Kent
User status: Offline
|
company i work for does some fancy grooving that apparently is supposedly (please take note on that im only a messenger here lol) better than the straight grooved discs, its like a selcetion of C shapes in the disc, first i have ever seen or heard of but it looks pretty funky and apparently does the job better than stanadard stright grooves , will see if i can get them to do some on some standard 2 litre 286 discs..
|
BeetleGav
Member
Registered: 27th Jun 10
Location: lancashire, nelson
User status: Offline
|
I have drilled and grooved. There fecking noisy when braking hard
|
Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
User status: Offline
|
There's also some science behind removal of gasses although I've never really been interested in knowing why that is important.
I run plain on my road cars and the track one, never really wanted to shorted the life of the disc for a marginal benefit.
|
gav93
Member
Registered: 27th Nov 10
Location: Bexleyheath Kent
User status: Offline
|
i know for from experience that drilled discs will warp much quicker than standard or standard grooved discs
|
Dave
Member
Registered: 26th Feb 01
Location: Lancs
User status: Offline
|
Very little other than aesthetics, especially on a road car under everyday conditions. I'd always recommend a plain disk.
|
dragon2309
Member
Registered: 1st Mar 09
Location: Strood, Kent
User status: Offline
|
I've never had drilled and grooved discs crack :/
|
IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline
|
quote:
Originally posted by dragon2309
I've never had drilled and grooved discs crack :/
|
davegreen
Premium Member
Registered: 20th May 12
Location: Oxfordshire
User status: Offline
|
tried all types and found for road use plain discs work best all round with high quality pads. curved groves are better than straight plenty of companies offer these, but as said the life of them is reduced due to cracking and rust build up in the groves and cracks around drillings in drilled discs.
|
Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
|
quote:
Originally posted by IvIarkgraham
quote:
Originally posted by dragon2309
I've never had drilled and grooved discs crack :/
|
Nath
Member
Registered: 3rd Apr 02
Location: MK
User status: Offline
|
quote:
Originally posted by Nic Barnes
quote:
Originally posted by IvIarkgraham
quote:
Originally posted by dragon2309
I've never had drilled and grooved discs crack :/
|
VrsTurbo
Premium Member
Registered: 8th Jun 10
User status: Offline
|
Harsh pads and track work will crack grooved discs.
|
Daimo B
Member
Registered: 20th Mar 00
User status: Offline
|
quote:
Originally posted by Steve
Drilled is a gimmick it won't really cool anything over what the veins offer.
Grooved have some benefit as Ian highlights
Indeed..... What do Supercar manufactures know eh...  (you trash my posts, I point out errors in yours  )
[Edited on 12-06-2013 by Daimo B]
|
Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
|
I Was waiting for someone to bring this up.
Firstly its not a supercar in question.
Secondly they wont be ordinary discs.
[Edited on 12-06-2013 by Steve]
|
Daimo B
Member
Registered: 20th Mar 00
User status: Offline
|
Doesn't matter, pointing out your errors. Better to point out your errors than simply drop in some keyboard digs in other eh 
Brakes get hot when used. End of.
Thought you may say that, hence why I added ceramic and steel discs.
My bikes also are drilled, as are most bikes. Both steel race discs, and road discs.
[Edited on 12-06-2013 by Daimo B]
|
chris_uk
Premium Member
Registered: 8th Jul 03
User status: Offline
|
drilled discs are usually high quality steel discs not cheapo discs from ebay with some random holes in them.
edit:
what sort of disc temps are likely to been seen on a bike?
edit 2:
is that tyre on the front of that bike the wrong way round?
[Edited on 12-06-2013 by chris_uk]
|
Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
|
Pics wont load so no idea what point you are trying to make.
However drilled discs on the setup the OP is talking about are pointless.
Regarding cracking and people not seeing it, its usually fine hairline cracks around the very edges of the holes, so explains why a lot of people may not have noticed
|
Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
|
Whats your take on warped discs btw?
|
Daimo B
Member
Registered: 20th Mar 00
User status: Offline
|
Unsure for mine. I know I need a good half lap at the very least (using tyre warmers too so already have grip and can get going straight away) for them to start working in any way. Caught me out a few times Braking is my strong point and they get used really hard.
I reckon at least 200 degrees though when braking hard and they are working well.
MotoGP brakes run about 700-900 degrees IIRC.
|
Daimo B
Member
Registered: 20th Mar 00
User status: Offline
|
quote:
Originally posted by Steve
Pics wont load so no idea what point you are trying to make.
However drilled discs on the setup the OP is talking about are pointless.
Just pointing out that your statement was totally incorrect and wrong 
Drilled discs are fine on any car. Stop talking BS.
|
chris_uk
Premium Member
Registered: 8th Jul 03
User status: Offline
|
quote:
Originally posted by Steve
Whats your take on warped discs btw?
who's mine?
i was lead to believe it was pad build up rather than the disc warping
|
