StuartBJ
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| posted on 22/7/10 at 02:30 PM |
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Where can I get some custom Caliper Brackets Made?
Hi Guys,
Does anyone know where I can get some caliper brackets made? Ideally in Kent, London or Essex.....but I would be willing to look further.......for a
reasonable price.
They need to fit Sierra front hubs and a pair of Merc (Brembo) 8 pots.
Thanks
Stuart
07590699582
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scootz
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| posted on 22/7/10 at 02:34 PM |
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quote:
Originally posted by StuartBJ
... and a pair of Merc (Brembo) 8 pots.
It's Evolution Baby!
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StuartBJ
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 posted on 22/7/10 at 02:41 PM |
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Sorry, dumb question......How do I attach pics from my archive?
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scootz
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| posted on 22/7/10 at 02:53 PM |
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Right click on the pic... select 'copy image address'.
Click on this Icon  when your ready to insert the image. Then right
click and 'paste' the image address into the box.
Computer magic does the rest...
It's Evolution Baby!
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StuartBJ
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| posted on 22/7/10 at 02:58 PM |
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Description
 
Description
 
Description
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tomgregory2000
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| posted on 22/7/10 at 02:58 PM |
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WOW thats massive  
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StuartBJ
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 posted on 22/7/10 at 03:02 PM |
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Thanks for the help, you learn something new every day.
Ha ha yeah....
But you could be refering to the image or calipers.
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smart51
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| posted on 22/7/10 at 03:10 PM |
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quote:
Originally posted by StuartBJ
Merc (Brembo) 8 pots.
Do you mind if I ask why? Sierra callipers are more than able to lock up the front wheels on a seven so you don't need more. Lighter is good
but 8 pots don't sound lighter. Are they particularly shiny?
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afj
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| posted on 22/7/10 at 03:14 PM |
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quote:
Originally posted by scootz
quote:
Originally posted by StuartBJ
... and a pair of Merc (Brembo) 8 pots.
Looks like chris mason
eerrrrrrrrrrrrrrrr
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StuartBJ
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| posted on 22/7/10 at 03:21 PM |
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I agree with your statement...."build in lightness".....but the reason I have 8 pots are power and financial.
The car I`m building is an AGM WLR with a Merc V12 up front......therefore BIG weight and BIG Power upfront besides I got these calipes at a baragin
price
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l0rd
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| posted on 22/7/10 at 03:23 PM |
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Ohhhh S63AMG as a donor
I like it 
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StuartBJ
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| posted on 22/7/10 at 03:29 PM |
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Almost..... the engine is from an SL600, the brakes are from a SL55 AMG, tyhe wheels are from a Mercedes ML and the gear box is a Cosworth T5....so
bits of ford sneaking in....and rightly so.
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jimgiblett
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| posted on 22/7/10 at 04:21 PM |
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PPC did a feature on making calliper brackets a while back. They basically mocked up a bracket in MDF and then dropped it of to a machine shop to
make it up. The metallic properties of the bracket will be important I think they used T6-7075 Ally which makes sence per the linky below.
linky
But best get advice on this.
- Jim
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mookaloid
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| posted on 22/7/10 at 04:27 PM |
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Flak monkey on here might be able to help - he makes stuff
"That thing you're thinking - it wont be that."
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StuartBJ
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| posted on 22/7/10 at 04:27 PM |
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No problem, I would be able to do the mock up.....but need a good machine shop to drop it off too ??
Hmm.... 2024 should surfice, 6063 is to malable (used in elise chassis as I recall)... 7050/7075 (as used on wing leading edges is VERY strong but can
fracture over time......no prizes for guessing my occupation.
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StuartBJ
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| posted on 22/7/10 at 04:29 PM |
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Thanks Mook, I will PM him
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l0rd
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| posted on 22/7/10 at 04:39 PM |
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quote:
Originally posted by StuartBJ
No problem, I would be able to do the mock up.....but need a good machine shop to drop it off too ??
Hmm.... 2024 should surfice, 6063 is to malable (used in elise chassis as I recall)... 7050/7075 (as used on wing leading edges is VERY strong but can
fracture over time......no prizes for guessing my occupation.
You are a librarian and have acced to loads of books??
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StuartBJ
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| posted on 22/7/10 at 04:41 PM |
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Oh no you caught me out ha ha.
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jimgiblett
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| posted on 22/7/10 at 04:47 PM |
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quote:
Originally posted by StuartBJ
No problem, I would be able to do the mock up.....but need a good machine shop to drop it off too ??
Hmm.... 2024 should surfice, 6063 is to malable (used in elise chassis as I recall)... 7050/7075 (as used on wing leading edges is VERY strong but can
fracture over time......no prizes for guessing my occupation.
Indeed. Googling suggests 2024-T351.
"The 2024 alloy is the best alloy for the job - 50% stronger than the alloy 6061 normally used 7075 alloy which is stronger at room
temperature, but whose strength declines rapidly as temperature increases"
I'll need to source a couple of lumps of this for my Alfa brake upgrade. Let us know how you get on.
- Jim
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SPYDER
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| posted on 22/7/10 at 05:16 PM |
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As previously stated you may be over-egging the pudding.
Some time ago I replaced the standard GT6 calipers on my car with some stonking AP four pots. I had ignored advice from AP themselves that the piston
area would be too great.
They were mighty powerful but somewhat upset the balance.
There was little difference, pedal pressure wise, between reasonable retardation and locking up.
In anything like a full-on stop it was almost impossible not to lock up.
Two such occurrences ( one of which could have been terminal ) during a recent driveout had convinced me.
The piston area in your eight pots will be massive. Unless your car weighs three tons you might live to regret your upgrade.
Even with adjustable brake balance the problem might not go away.
What is the weight of your WLR?
I made the brackets myself from T6 and had no problems with them.
Geoff.
[Edited on 22/7/10 by SPYDER]
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Alan B
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| posted on 22/7/10 at 06:44 PM |
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quote:
Originally posted by StuartBJ
No problem, I would be able to do the mock up.....but need a good machine shop to drop it off too ??
Hmm.... 2024 should surfice, 6063 is to malable (used in elise chassis as I recall)... 7050/7075 (as used on wing leading edges is VERY strong but can
fracture over time......no prizes for guessing my occupation.
Erm......Ali salesman/rep., Aerospace machinist/stress/structures/design/engineer?
Anywhere close?
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iank
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| posted on 22/7/10 at 06:55 PM |
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quote:
Originally posted by Alan B
quote:
Originally posted by StuartBJ
No problem, I would be able to do the mock up.....but need a good machine shop to drop it off too ??
Hmm.... 2024 should surfice, 6063 is to malable (used in elise chassis as I recall)... 7050/7075 (as used on wing leading edges is VERY strong but can
fracture over time......no prizes for guessing my occupation.
Erm......Ali salesman/rep., Aerospace machinist/stress/structures/design/engineer?
Anywhere close?
Metallurgist?
--
Never argue with an idiot. They drag you down to their level, then beat you with experience.
Anonymous
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StuartBJ
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| posted on 22/7/10 at 08:23 PM |
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Ha ha....
I`m a materials engineer but I seem to be doing more designing than materials science these days.
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StuartBJ
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 posted on 26/7/10 at 10:26 AM |
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So....not quite the mission I expected, which was a nice surprise.
When assembling the disc, caliper and hub it was almost impossible to work out the distance (height) from the caliper mounting holes in relation to
the hub mounting holes ....but by eye they are alomst in line....(worst case is I have to add a washer or two on the caliper mounting holes.
Here is a rough sketch
 
Description
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Fred W B
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| posted on 26/7/10 at 11:21 AM |
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Don't guess, make a rough prototype yourself first in say 22mm MDF with spacers/washers to simulate the required thickness and do a trial
fit.
PS you are missing one dimension in your sketch.
Cheers
Fred W B
You can do it quickly. You can do it cheap. You can do it right. – Pick any two.
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