Mythe Buster BS

Submitted: Monday, Jan 28, 2008 at 22:06
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Anyone see Mythe Busters tonight, they were doing a fuel Consumption test , A/C on windows up, and A/C off windows down , but the most stupid part was they were worried the tyres would blow out, running around a race track for 7 hours at 55mph, that = 385 miles , what a load of crap,

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Reply By: Member - John (Vic) - Monday, Jan 28, 2008 at 22:38

Monday, Jan 28, 2008 at 22:38
And??????????
What was the results of the test?
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Follow Up By: Member - Doug T (FNQ) - Monday, Jan 28, 2008 at 22:41

Monday, Jan 28, 2008 at 22:41
Windows down A/C off gave better economy,


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Follow Up By: Bonz (Vic) - Monday, Jan 28, 2008 at 22:50

Monday, Jan 28, 2008 at 22:50
in my opinion there are too many variables with this test, the fuel consumption with two cars the same make etc are not equivalent and introduce too many unknowns
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Follow Up By: Member - John (Vic) - Monday, Jan 28, 2008 at 22:54

Monday, Jan 28, 2008 at 22:54
By how much?
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Follow Up By: Member - Doug T (FNQ) - Monday, Jan 28, 2008 at 23:00

Monday, Jan 28, 2008 at 23:00
I think it was 15 laps , but they only started with 5 gallons and reduced the speed to 45mph because of the tyre BS.
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Reply By: Bonz (Vic) - Monday, Jan 28, 2008 at 22:52

Monday, Jan 28, 2008 at 22:52
Doug, I think their worry was the continuous cornering not the speed or distance, I don't think tyres are designed to go around two corners every 2 minutes for 7 hours, what do you think?
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Follow Up By: Member - Doug T (FNQ) - Monday, Jan 28, 2008 at 22:57

Monday, Jan 28, 2008 at 22:57
Bonz
You can't be serious...surely , how many left corners would your tyres do in the life of the tyre over say 70,000 Klm , they were talking doing 385 lousy Miles at 55mph,

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Follow Up By: Bonz (Vic) - Monday, Jan 28, 2008 at 22:59

Monday, Jan 28, 2008 at 22:59
yep I sure am, you don't do 70000kms continuously and nor do you drive 385 miles anticlockwise continuously at 55mph
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Follow Up By: Member - Doug T (FNQ) - Monday, Jan 28, 2008 at 23:02

Monday, Jan 28, 2008 at 23:02
C'mon Bonz.
your beginning to sound as silly as them.

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Follow Up By: Member - Doug T (FNQ) - Monday, Jan 28, 2008 at 23:09

Monday, Jan 28, 2008 at 23:09
Bonz
A set of slicks would last longer than that on a V8 Supercar at 2 times the speed. 55mph = 88.5kph X 2 = 177kph , they hit 295 down Conrod, how many times do they pit for tyres.
No Mythe Busters is Bullcrap.

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Follow Up By: Bonz (Vic) - Monday, Jan 28, 2008 at 23:11

Monday, Jan 28, 2008 at 23:11
different tyre construction totally Doug, any racing tyre is set up for extreme cornering speeds repeatedly, road tyres arent

And they were in Exploders werent they? Maybe theres your answer
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Follow Up By: Member - Doug T (FNQ) - Monday, Jan 28, 2008 at 23:19

Monday, Jan 28, 2008 at 23:19
Bonz
Semms you really want to believe the crap I seen on TV and nothing anyone says is going to sway your mind, I would have to say your as stupid as they are about this tyre issue only and I won't make anymore replies to you on this subject. I will add your not stupid on any other subject.Quite the opposite really,

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Follow Up By: Bonz (Vic) - Monday, Jan 28, 2008 at 23:22

Monday, Jan 28, 2008 at 23:22
Thanx Doug I think thats a compliment, I am just postulating as to their concern, it would be an interesting test to check the tyre heat and sidewall changes if any after the test, then try it at say 70 and 90 MPH.

I do think that the difference between 45 and 55 is minimal tho, but there may be some parabolic relationship between sidewall flex and heat that I am not aware of
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Follow Up By: Member - 'Lucy' - Monday, Jan 28, 2008 at 23:55

Monday, Jan 28, 2008 at 23:55
You two suffer from - delusions of adequacy

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Follow Up By: Member - Davoe (Yalgoo) - Tuesday, Jan 29, 2008 at 00:37

Tuesday, Jan 29, 2008 at 00:37
With bonz on this one. yea i reckon the tyres would hande it no worries. However while these guys seem to muck around they are actually pretty meticulous. it is a workplace after all.
No doubt it was brought up as a possible safety concern hence the precaution.
as for racing slicks............... Weeeeell the averadge vehicle would lose its brakes to brake fade in just 1 lap if given racing punishment. tyres and brakes are just the start of majour diferences between race cars and passenger vehicles
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Follow Up By: lbudgie - Tuesday, Jan 29, 2008 at 15:34

Tuesday, Jan 29, 2008 at 15:34
mate of mine is a mechanic at ford proving grounds, and the cars go around at speed much quicker and a lot longer than that on the standard tyres.
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Follow Up By: Member - Doug T (FNQ) - Tuesday, Jan 29, 2008 at 15:38

Tuesday, Jan 29, 2008 at 15:38
lbudgie
Some common sense at last.

Thank you

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Follow Up By: Bonz (Vic) - Tuesday, Jan 29, 2008 at 19:49

Tuesday, Jan 29, 2008 at 19:49
hmmm ibudgie you are most specifically correct. Being of open mind, I think then that the Mythtastic Duo overestimated the possible effect on their tyres. I concur with Dougs inference that their reduction in speed is bullshirt.

Doug Its not common sense, its factual evidence. I thought you weren't going to reply again???? lol mate only kidding
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Reply By: fisho64 - Tuesday, Jan 29, 2008 at 00:53

Tuesday, Jan 29, 2008 at 00:53
hey hey, its the Australia Day weekend and you guys are slagging an Australian concieved show.

How UnAustralian are you lot!
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Reply By: Member - DOZER- Tuesday, Jan 29, 2008 at 07:48

Tuesday, Jan 29, 2008 at 07:48
Now they will have to bust another mythe....looks like they were gainfully employed extending their show... Im guessing they will go clockwise around the next track to simulate the million roundabouts we wear our front left tyre edge out on in big cities :)
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Reply By: wigger - Tuesday, Jan 29, 2008 at 17:00

Tuesday, Jan 29, 2008 at 17:00
Seemed to be some obvious flaws in the methodology employed by A and J.
1 Test should have been done with the same vehicle to avoid problem of vehicles being in a different state of tune. (but this would not have provided a good TV spectacle)

2 Pumping out tanks did not prove there was no fuel stiill in tanks.
Some vehicles e.g. VW transporters have a fuel tank with two wells separated by a raised half wall section. Impossible to pump all petrol out if you have put in instead of diesel. You need to cant the whole vehicle over.
Why didn't they just run the vehicle to empty before starting the test?
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Reply By: pjchris - Tuesday, Jan 29, 2008 at 17:33

Tuesday, Jan 29, 2008 at 17:33
Actually they had to revisit this myth later in the series as it generated a lot of Fan (hate) mail....

The revisited result was....

Below about 50mph you are better off with your windows down. Above that speed you are better off with the A/C.

They also pointed out that the exact speed would vary from vehicle to vehicle...

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Follow Up By: pjchris - Tuesday, Jan 29, 2008 at 17:37

Tuesday, Jan 29, 2008 at 17:37
Oh and on the point of the tyres...Back when I was young..(and stupid) I had a FWD turbo car and Yokohama A008 tyres known for their grip, but not their long life.

On the road under normal conditions they would last 30,000-40,000km's.

On a race track flogging them they would last about 8-10 laps ( 40-50 km) so I can fully understand their tyre concerns.

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Reply By: DIO - Tuesday, Jan 29, 2008 at 17:47

Tuesday, Jan 29, 2008 at 17:47
Remember it's only for entertainment - nothing scientific about it. Don't worry too much about it.
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