<span class="highlight">MRF</span> Super Lug 7.50x16 16ply rating <span class="highlight">Footprint</span>

Submitted: Friday, Sep 05, 2008 at 14:48
ThreadID: 61420 Views:7414 Replies:6 FollowUps:9
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0 psiFootprint 340mm
5 psiFootprint 320mm
10 psi Footprint 300mm
15 psi Footprint 290mm
20 psi Footprint 285mm
40 psi Footprint 250mm

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I went for as short drive. The tyres are very quiet and contrary to expectations, give a smooth, soft ride on bitumen and on gravel. It remains to be seen how they will perform after some kilometres have been added and what they are like in the desert. I expect that I would be able to run them at between 10 and 15psi in the dune country without too much fuss.


Cheers


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Reply By: Member -Signman - Friday, Sep 05, 2008 at 16:36

Friday, Sep 05, 2008 at 16:36
Willem
A bit O/T here..
Do you know the area around Durban S.A. ?? I have a friend at Port Shepstone?? invited me over for a trip. Is it a good stepping off point for expeditions & safaris?? She's already set up with a 4by ( I think it's a Patrol but that's ok)...
Any suggested areas??
Cheers



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Follow Up By: Willem - Friday, Sep 05, 2008 at 17:46

Friday, Sep 05, 2008 at 17:46
Hmmm I haven't been that way since the 1970's

Port Shepstone is a nice coastal town. There were some good Wildlife Parks in the vicinity of Durban featuring White and Black Rhino.

Durban used to be a melting pot of cultures and I am sure it is still the same. The fierce and proud Zulu Nation own Kwazulu Natal within the framework of the new South Africa. The towering Drakensberg(Dragon Mountains) not far away gives for some good 4x4 tracks.

Email me (willem@kempen.id.au) your postal address and I will send you a South African 4x4 Magazine

Cheers
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Reply By: Crackles - Friday, Sep 05, 2008 at 19:08

Friday, Sep 05, 2008 at 19:08
Only 40mm difference between 15 & 40 PSI. Will increase a bit no doubt when up to touring weight. Thats amazing how a tyre can sit so high with no pressure at all :-)
Cheers Craig............
AnswerID: 324014

Follow Up By: Willem - Saturday, Sep 06, 2008 at 08:09

Saturday, Sep 06, 2008 at 08:09
Craig

Touring weight is minimal. GQ weighs in at below GVM(2800kg) when loaded for normal touring and will go slghtly over when carrying fuel and water and tucker on a non trailer towing trip.


Cheers
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Reply By: Outnabout David (SA) - Friday, Sep 05, 2008 at 20:31

Friday, Sep 05, 2008 at 20:31
I didn't realise that MRF stood for May be Run Flat. Looks like they are half full of air even at 0psi
AnswerID: 324037

Follow Up By: Member - Scrubcat (VIC) - Friday, Sep 05, 2008 at 21:57

Friday, Sep 05, 2008 at 21:57
An interesting point David,I think 0 psi would mean that the tyre is full of air but at the same pressure as the atmosphere outside.
If I think of a inner tube on its own that is full of air but has not begun to stretch it would be 0 psi. if you stood,or sat, on it the pressure if measured at the valve would be something more than zero.
So how much pressure is in the tyre if it was raised off the ground ?

I dunno I`m just pondering and waffling on. LOL.

Scrubby
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Follow Up By: Willem - Saturday, Sep 06, 2008 at 08:36

Saturday, Sep 06, 2008 at 08:36
Tyre from the other side shows better flex. 4by not sitting on jack

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Reply By: Peter 2 - Friday, Sep 05, 2008 at 20:53

Friday, Sep 05, 2008 at 20:53
yes but imagine the heat generated by those stiff sidewalls flexing continuously when deflated ;-)))
But at least the footprint is long and narrow in the direction of travel so you are not compacting any more sand than you need to.
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Follow Up By: Willem - Saturday, Sep 06, 2008 at 08:13

Saturday, Sep 06, 2008 at 08:13
Peter

Trust you to think up something to worry about re flexing heat. Maybe one could use the heat to ones advantage.

Normally when running tyres around 10psi speed is kept low so to avoid possible tyre problems

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Follow Up By: Peter 2 - Saturday, Sep 06, 2008 at 08:22

Saturday, Sep 06, 2008 at 08:22
Was wondering when I'd get a bite ! ;-)))
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Reply By: Anthony (Vic) - Saturday, Sep 06, 2008 at 05:51

Saturday, Sep 06, 2008 at 05:51
Hi Williem,

I think you are developing an artistic flair in your older age with your well chosen profile pics. They are the sort of pics that make you want to grap your gear and head bush.

On your tyres ... will you ever be happy. I am. I'm still on my first set of STT's (after having many sets of BFG's, and others), but I must admit that I don't share your off-track travelling past time.

This is a guess but what do the army use on their off tack travelling 4wd's, maybe it's worth giving them ago?

You will have to excuse my poor humour, I've been stuck in the UK for the last 2 months and am suffering Oz and Outback withdrawall.

Cheers Anthony
AnswerID: 324072

Follow Up By: Willem - Saturday, Sep 06, 2008 at 08:30

Saturday, Sep 06, 2008 at 08:30
Hi Anthony

When I am home I amuse myself by playing on this forum and others. The need for constant change is about. I have around 10,000 digital pics after spending 6 months converting all of my slides to digital format and adding them to my digital collection. Older age is the time to enjoy ones hobbies to the full.
I find there is just not enough time to:

do some gardening
do house repairs
improve some aspect of camping gear
maintain the 4x4 and trailer
read a book
research a new place to visit next winter
continue writing stories and travel tales
work on the family history
arrange my photographs

And living with an artistic partner brings more to the fore as today and tomorrow I have been enlisted in attending a workshop making West African Drums !


Tyres are a expendable item which form part of the adventure trials of life and it is a continuing experiment to make the right decision on which type to use for the application. Life is one continuous learning curve

Enjoy Blighty!



Cheers




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Follow Up By: Sir Kev & Darkie - Saturday, Sep 06, 2008 at 10:03

Saturday, Sep 06, 2008 at 10:03
Willem,

Are these drums going to make an appearence in St George next year ?? LOL

Cheers Kev

Russell Coight:
He was presented with a difficult decision: push on into the stretching deserts, or return home to his wife.

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Follow Up By: Willem - Sunday, Sep 07, 2008 at 07:34

Sunday, Sep 07, 2008 at 07:34
Could do Sir Kev, but they are bulky and not somethng you want to cart around with you all of the time.



Cheers
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Reply By: Member - Doug T (NT) - Saturday, Sep 06, 2008 at 09:50

Saturday, Sep 06, 2008 at 09:50
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