Tyre 'footprint' illustrations??
Submitted: Wednesday, Jul 02, 2008 at 11:51
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Member -Signman
Any lead where I can find some good illustrations on tyre footprints when pressures are reduced??
I saw one a while back but can't seem to locate it. Have done a Google but nothing suitable.
I'm giving a seminar on offroad/sand driving to a group of Rural Fire brigades this evening...(yes- I am a VETAB instructor for OH&S accreditation).
Reply By: Sir Kev & Darkie - Wednesday, Jul 02, 2008 at 12:49
Wednesday, Jul 02, 2008 at 12:49
I think 4wd Monthly just did an article in the past couple of issues about tyre sizes and the respective footprint sizes.
Cheers Kev
| Russell Coight:
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Follow Up By: Member -Signman - Wednesday, Jul 02, 2008 at 12:55
Wednesday, Jul 02, 2008 at 12:55
Thanks mate...any idea how far back???...
GEEZ____ WHAT"S ALL THAT BLUE STUFF OUT THERE !!!!!!!!!!
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Follow Up By: Sir Kev & Darkie - Wednesday, Jul 02, 2008 at 13:36
Wednesday, Jul 02, 2008 at 13:36
The current one I think,
It compares 31's with 33's and 35's
It has the 6 wheeler Missan on the cover
See Here for cover details
Cheers Kev
| Russell Coight:
He was presented with a difficult decision: push on into the stretching deserts, or return home to his wife.Lifetime Member
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Follow Up By: Member - Luke (SA) - Sunday, Jul 06, 2008 at 18:29
Sunday, Jul 06, 2008 at 18:29
Yep the current one
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Reply By: RnR - Wednesday, Jul 02, 2008 at 12:49
Wednesday, Jul 02, 2008 at 12:49
Signman,
I saw the article in one of the VKS member magazines we receive. Think it was one from last year.
Regards
RnR
AnswerID:
313422
Reply By: Member - Niss42 - Wednesday, Jul 02, 2008 at 13:36
Wednesday, Jul 02, 2008 at 13:36
Try this site:
http://www.direct4wd.com.au/tours/TYRE%20PRESSURE.htm
by Joel Fleming from Tour operator,
Alice Springs.
Regards,
Barry
AnswerID:
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Follow Up By: Member -Signman - Wednesday, Jul 02, 2008 at 13:43
Wednesday, Jul 02, 2008 at 13:43
That's the one I was looking for..
Thanks Barry- knew I'd seen it somewhere..
Cheers
FollowupID:
579483
Follow Up By: Angler - Wednesday, Jul 02, 2008 at 22:12
Wednesday, Jul 02, 2008 at 22:12
I have four scans of actual tyre prints that are quite interesting and were in a mag a few years ago.
I can send them if you email me.
Pooley
FollowupID:
579576
Reply By: Member - Phil G (SA) - Wednesday, Jul 02, 2008 at 22:54
Wednesday, Jul 02, 2008 at 22:54
Not illustrations, but if you want some numbers, then Willem and I compared MRF with Silent Armour
on thread 46211.
AnswerID:
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Reply By: Tasrat - Friday, Jul 04, 2008 at 15:13
Friday, Jul 04, 2008 at 15:13
Just re read that old issue the other day. Will get details for you if still needed.
Cheers Paul
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Follow Up By: Member -Signman - Friday, Jul 04, 2008 at 15:22
Friday, Jul 04, 2008 at 15:22
Yes Paul- that would be great
Thanks
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Reply By: Member - Andrew (QLD) - Friday, Jul 04, 2008 at 15:28
Friday, Jul 04, 2008 at 15:28
I know it is a bit late now, Signman......Is it worthwhile using the actual vehicles and tyres they will encounter and physically setting up a testpad to show them this in the flesh? I know many a session i have conducted on various subjects, the hands-on approach works much better than some "slide on a wall" diagram.
I'm not sure of the logistics on how to do it....would require some planning to work though.
Just a (left-field) thought?
Andrew
AnswerID:
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Follow Up By: Member -Signman - Friday, Jul 04, 2008 at 15:43
Friday, Jul 04, 2008 at 15:43
Thanks for your input Andrew..
We did actually start to set up a tanker for actual scenarios..
It was a fully loaded 4x4 tanker- with 3000 litres of
water..
results weren't conclusive, but I'll spend a bit more time to play with pressures/footprints..
Might start with one of the officers Prados and work up from there !!
FollowupID:
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Follow Up By: Member - Andrew (QLD) - Friday, Jul 04, 2008 at 15:58
Friday, Jul 04, 2008 at 15:58
A small pad with wettish sand in it perhaps and a jacking system for the vehicle?
Whilst it would take longer to explain, it would possibly hit
the spot when it comes to understanding the principles of tyre deflation.
Andrew
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Reply By: Tasrat - Saturday, Jul 05, 2008 at 10:20
Saturday, Jul 05, 2008 at 10:20
Hey Signman found that old 4wd monthly. No. 59 Nov 2003.
If you would prefer I am happy to fax. Would need a number though. It compares 285/75/16 and standard 750/16 from 10 psi to 35 psi and a lot of work with a jack and an ink roller.
Hope this useful for you. I'm at work all day today so if you on the air we can get it done.
Cheers Paul
AnswerID:
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