Quote:
Originally Posted by euromodder
It's pretty involved to set up such a test.
You'd need something like a track or closed off parking lot, as doing this on public roads would be dangerous.
You'd need an on site compressor with a calibrated gauge.
And worst of all it'd ruin the tester's fuel economy for that tank  |
The economy test would be relatively easy. Disconnect the fuel line from the gas tank and run it instead for a small recipient, 2-3 litters. Fill the small container with gas, do a run of 10 Km, after which you weight the container. I usually like to do 3 runs 10 km each at constant speed (cruise control will help)
If anyone is (seriously) interested in a test, let's open a new thread called something like... "Ecomodder driving test" or "Ecomodder tire test" or similar where we can coordinate ourselves and join the efforts to make it happen.
We can pick a date, a place and we can agree on the kind of methodology is going to be employed for the test. To the test can participate supporters and "naysayers" alike. (specially naysayers)
One of the tests I am absolutely itching to perform and document is the tire bursting point on laden/unladen axle load, laden/unladen tire load.
I did so far about 15 similar tests but mostly for the class demonstration.
Our onSite tire specialist CapriRacer said that tire manufacturer is not interested in tire's bursting point as this is irrelevant to the PSI methodology used on the placard (pillar B sticker).
This is what he said:
"Burst data? You won’t find that published anywhere. Why would anyone want to know what the burst pressure is if they are using pressures well away from the burst pressure? – and if they aren’t, then they will have to accept the results of that decision"
Questions is...: Why don't they publish the data? Anything to hide?!?
With all due respect and esteem for CapriRacer, I believe he is either uninformed or he is not entirely truthful when he says tire manufacturers do not perform tire bursting tests.
Here is the proof:
I believe the only reason he is shy to admit to the tire bursting tests is that the results would very much support my findings, namely a passenger tire can rated 41 PSI take over 200PSI and a 90 PSI rated tire in the range of 300 PSI
The video above, inadvertently made its way to the public, as this test was ordered by a tire manufacturer to fight in court a legal dispute.
In this test they wanted to show what happens with a tire when someone is performing a welding job on the rim while the tire is still inflated.
Beside that (the obvious), we have learned from that video, and this is what the tire manufacturer is not very happy about, that a 90PSI rated tire would support over 300 PSI (not to mention the over 1300 Fahrenheit)
A typical operating temperature for a passenger tire is between 160F - 220F
You should download that video and have it in your own collection as one of the tire manufacturers filed a petition to have that video clip removed from youtube