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D2 - Axles, Brakes, Suspension and Steering Brakes, Springs, shocks, steering racks, steering columns, suspension arms, wheel hubs etc.

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  #41  
Old 24th July 2020, 11:16 PM
Audifan Audifan is offline
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Interesting..... I'm guessing the only benefit of monoblock calipers is that they weigh less then the split calipers?
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  #42  
Old 25th July 2020, 08:28 AM
MikkiJayne MikkiJayne is offline
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Lighter and simpler but more costly to make. They have better wheel clearance as they can be thinner around the perimeter as they don't have bolts holding them together. I suspect they may also be stiffer as they're one piece of material, compared to two halves bolted together.

I'll compare the weight of the various calipers later
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  #43  
Old 26th July 2020, 09:48 PM
Audifan Audifan is offline
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I came across this link about monoblock vs. two piece calipers.
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  #44  
Old 26th July 2020, 10:25 PM
MikkiJayne MikkiJayne is offline
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Very interesting. So I was dead wrong about stiffness then The trade off of reduced weight is flexibility of the caliper. With the D2 brake system already being pretty spongy, I wonder what effect the Porsche calipers will have on it...
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  #45  
Old 27th July 2020, 04:18 AM
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I wouldn't be too worried, most of the D2's sponginess comes from firewall flex (speaking of which, where are we at with the master cylinder stiffening blocks?).
And all the deflection/strength ratio problems in racing will be less so in street applications where the rotors are smaller, the calipers are bulkier, and the heat is lower (except perhaps on a track car).
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