Scotty C
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Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
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Hey.
I was just wondering why on some manufactures they have the Caliper at the back of the disc, but some manufactures have them on the front.
Any reason(s) for this?
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sand-eel
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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
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Just depends on the suspension/steering design, as the hub carrier (upright) will have to suit those designs, so the caliper goes where it has the most space really.
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Scotty C
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Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
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But they'll obviously desgin it that way for a reason.
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CorsAsh
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Registered: 19th Apr 02
Location: Munich
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Technically the best place to have them is at 9 o'clock, as cold air will hit the exposed disc and cool them off slightly better than them being shielded behind the caliper. Works better with cars that have dedicated cooling ducts from the front.
[Edited on 04-11-2009 by CorsAsh]
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markx14xe
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Registered: 5th Oct 08
Location: grimsby
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quote:
Originally posted by CorsAsh
Technically the best place to have them is at 9 o'clock, as cold air will hit the exposed disc and cool them off slightly better than them being shielded behind the caliper. Works better with cars that have dedicated cooling ducts from the front.
[Edited on 04-11-2009 by CorsAsh]
no your wrong!!!!!!! 
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CorsAsh
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Registered: 19th Apr 02
Location: Munich
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Well I'm not an engineer.
Something to do with where the steering arm links in then? Has to be on the opposite side?
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sand-eel
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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
User status: Offline
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quote:
Originally posted by Monster
But they'll obviously desgin it that way for a reason.
Obviously they do, as there is a reason 
Eg a corsas front suspension is designed to be cheap as hell and nice and understeery, which the back suspension has a lower roll centre than the front deliberatly, so it understeers.
Say on a BMW believe it or not they are designed to understeer too. they do it so the rear has more camber compensation whilst rolling than the front, so the back has more grip than the front = understeer. Also have to take into account Ackermann steering which the mounting points effect, its quite complecated really, took me about a year to design a 205GTI indy rear suspension system.
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