Another Crystal White One

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Cholsey
Posts: 83
Joined: Mon Apr 09, 2018 10:27 pm

Re: Another Crystal White One

Post by Cholsey » Tue Apr 24, 2018 7:54 pm

Shaenei wrote:
Mon Apr 23, 2018 4:52 pm
I'm sad enough I actually calculated the side wall Of each alloy wheel size

5942CE1F-4939-4231-B81B-85486FE7A3EF.jpeg
Fascinating Shainei. Thank you.

I think you have hit upon an important point here. IMHO with a modern radial road tyre the air pocket impact on cushioning is almost zero - the cushioning comes from flex in the tyre wall. I understand that this is why run flat tyres are so harsh.

I am sure we all remember the honourable LJK Setright (I hope I spelt that right). He wrote a superb article on this topic.
XC40 T5 FE; Bright Silver; 20” Alloys; Power Folding Tow-bar.
Ordered 19 Jan; Delivered 01 May


Flatman5
Posts: 48
Joined: Mon Mar 12, 2018 10:10 pm

Re: Another Crystal White One

Post by Flatman5 » Thu Apr 26, 2018 10:09 am

Cholsey wrote:
Tue Apr 24, 2018 7:54 pm
Shaenei wrote:
Mon Apr 23, 2018 4:52 pm
I'm sad enough I actually calculated the side wall Of each alloy wheel size

5942CE1F-4939-4231-B81B-85486FE7A3EF.jpeg
Fascinating Shainei. Thank you.

I think you have hit upon an important point here. IMHO with a modern radial road tyre the air pocket impact on cushioning is almost zero - the cushioning comes from flex in the tyre wall. I understand that this is why run flat tyres are so harsh.

I am sure we all remember the honourable (I hope I spelt that right). He wrote a superb article on this topic.
I wasnt aware of LJK Setright but just looked him up hes written some very informative articles, top tip thanks :)


dek40
Posts: 12
Joined: Thu Feb 22, 2018 11:43 pm

Re: Another Crystal White One

Post by dek40 » Thu Apr 26, 2018 10:27 pm

The wheels are a personal thing. For me the 20" are cracking looking wheels and really compliment the look of the car. Volvo have made a right old mess with an inability to step up to meet the demand.
XC40 FE Crystal White D4 20" beauties Lava Orange Gardex Paint Protection. No headlamp washers. AKA 'Helga'
_________________________________________________


NeuroMancer13
Posts: 18
Joined: Tue Oct 30, 2018 6:47 pm

Re: Another Crystal White One

Post by NeuroMancer13 » Thu Jan 03, 2019 1:19 pm

Boomer wrote:
Mon Apr 23, 2018 5:23 pm
Sad (!?) but very useful indeed! :D

So sacrificing 8mm "height" in moving from 19" to 20" but gaining 10mm width. Not saying the two compensate, but perhaps the ride difference isn't as big as people think.

Different story if you are going as far as 21" - boy those are thin.
You forgot to add this 1''. So overall in moving from 19'' to 20'' you gain height (aprox. 17mm)
T5/Inscription/21''/DenimBlue-Amber/FullPack


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