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Search: Posts Made By: jadatis
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Forum: C8 General Discussion
04-19-2024, 04:36 AM
Replies: 72
Views: 3,068
Posted By jadatis

No, if filled with gauge 33psi to 33.5 psi to...

No, if filled with gauge 33psi to 33.5 psi to give same absolute pressure at 6800 f hight Then TMPS will give 30 psi, give or take 0,5 psi.

Again, that is if, what I once read is true, that...
Forum: C8 General Discussion
04-17-2024, 04:34 AM
Replies: 72
Views: 3,068
Posted By jadatis

All possible to include ambiënt pressure and...

All possible to include ambiënt pressure and temperature in the calculations.
Once receved in the receving display unit, its yust what the designing programmer thinks is usefull.

But I once read...
Forum: C8 General Discussion
04-16-2024, 01:00 PM
Replies: 72
Views: 3,068
Posted By jadatis

No tmps sensors as acurate as gauges. The...

No tmps sensors as acurate as gauges.
The sensor sends absolute pressure to the receving unit, in steps of 0.5 psi, wich substracts a standard 1013mb 14.7 psi, average ambiënt pressure at sealevel,...
Forum: C8 General Discussion
04-15-2024, 05:10 AM
Replies: 72
Views: 3,068
Posted By jadatis

I thought we where past the YES/NO-game in this...

I thought we where past the YES/NO-game in this topic.

There are 2 camps.
1. Fill at ambiënt temperature, be it 30 or 120 degr F.
2. Calculate back to an index temperature,

When...
Forum: C8 General Discussion
04-13-2024, 02:39 AM
Replies: 72
Views: 3,068
Posted By jadatis

At post #45. Thats an answer from Michelin,...

At post #45.
Thats an answer from Michelin, wich you still can explain different ways.
You could do a follow up question.
Then ask if on that morning in the shade, the ambiënt temperature is still...
Forum: C8 General Discussion
04-04-2024, 03:25 AM
Replies: 72
Views: 3,068
Posted By jadatis

" My" system of calcuating back to a reference or...

" My" system of calcuating back to a reference or index temperature is easyer in use.
Once filled to this system, you can let the cold pressure flow with ambiënt temperature, and not maniacally let...
Forum: C8 General Discussion
04-03-2024, 06:28 PM
Replies: 72
Views: 3,068
Posted By jadatis

Main goal of tirepressure determination is to...

Main goal of tirepressure determination is to give tire a deflection warm that wont overheat any part of tire-material, when driving the speed for wich cold pressure is determined.

Keeping this in...
Forum: C8 General Discussion
03-30-2024, 03:25 AM
Replies: 72
Views: 3,068
Posted By jadatis

Needed tire-pressure is to give tire a...

Needed tire-pressure is to give tire a deflection, so heatproduction a cycle, that wont overheat any part of tire-material, when driving the speed constantly, for wich the pressure is determined.
...
Forum: C6 Corvette General Discussion
02-11-2024, 12:43 PM
Replies: 23
Views: 1,295
Posted By jadatis

Protesting of the tmps system can be anoing, but...

Protesting of the tmps system can be anoing, but stays a secundary problem.

But to my discussable conclusions in time, at lower ambiënt temperature, you can do with lower pressure, when only for...
Forum: C6 Corvette General Discussion
02-11-2024, 03:12 AM
Replies: 23
Views: 1,295
Posted By jadatis

But this higher pressure gives lesser deflection...

But this higher pressure gives lesser deflection so lesser comfort.
So mayby cold pressure can be lower for your situation.
To determine a safe lower pressure, I can make you a cold pressure...
Forum: C6 Corvette General Discussion
02-09-2024, 11:30 AM
Replies: 23
Views: 1,295
Posted By jadatis

The influence of water is exagerated by the...

The influence of water is exagerated by the Nitrogen lobby.
In the extreme situation, I mentioned in former post, so driving with yust enaugh pressure for load and speed in ambiënt temperature of 40...
Forum: C6 Corvette General Discussion
02-07-2024, 02:30 PM
Replies: 23
Views: 1,295
Posted By jadatis

The 5 psi gaining must have been by driving. ...

The 5 psi gaining must have been by driving.
Then the deflecting and flexing back heats up tire-matetial, wich heats up tire inside gascompound.
Dont worry about the pressure rising, worry about...
Forum: C5 Tech
12-13-2023, 01:50 AM
Replies: 16
Views: 747
Posted By jadatis

If you now also can find the GAWR's and GVWR, we...

If you now also can find the GAWR's and GVWR, we come a little closer to the answer for topicstarter.

Main goal of pressure determination is to give the tire a deflection that gives no overheated...
Forum: C8 General Discussion
12-10-2023, 11:47 AM
Replies: 99
Views: 24,444
Posted By jadatis

Now busy with making list of pressure-rising ...

Now busy with making list of pressure-rising
Its not the pressure rising you have to worry about, its the temperature of gascompound in tire, and with that temperature of tire-material.

I read...
Forum: C5 Tech
12-08-2023, 02:37 AM
Replies: 16
Views: 747
Posted By jadatis

You ask " What should I put in each? Answer:...

You ask " What should I put in each?
Answer: any gascompound will do. :rock:

Can make a cold pressure/axleload list for both your tires, with build in maximum reserve, at wich comfort and gripp...
Forum: C8 General Discussion
11-03-2023, 07:01 AM
Replies: 26
Views: 1,268
Posted By jadatis

Needed cold tirepressure is all to give tire a...

Needed cold tirepressure is all to give tire a deflection, so heatproduction, that wont overheat any part of tire-material when driving the speed for wich determined.

​​​​​​Maxload of tire is...
Forum: C1 & C2 Corvettes
06-09-2023, 06:53 AM
Replies: 10
Views: 622
Posted By jadatis

In the 1970ties the formula introduced in 1928...

In the 1970ties the formula introduced in 1928 for bias tires to calculate pressure for a load, was adapted for radial tires, but different in US then Europe.
In US this lead to lower pressure...
Forum: C7 General Discussion
05-06-2023, 02:39 AM
Replies: 40
Views: 2,497
Posted By jadatis

Recomended pressure is for GAWR's and max...

Recomended pressure is for GAWR's and max technical carspeed. But if you see 35 or 36 psi, its not calculated, but yust maxloadpressure of a standard load personscar tire. So the 32 psi here suspects...
Forum: C7 General Discussion
11-18-2022, 01:26 PM
Replies: 50
Views: 3,793
Posted By jadatis

​​​​​​ That formula I also use to make my list,...

​​​​​​
That formula I also use to make my list, but assume volume to stay the same, wich it practically is for a presurised tire.
But you forget to calculate with absolute pressure instead of...
Forum: C7 General Discussion
11-18-2022, 11:31 AM
Replies: 50
Views: 3,793
Posted By jadatis

I made a word document to use in RV forum, but...

I made a word document to use in RV forum, but also counts for personscars, you only have to translate it to the lower used pressures ( 35 psi instead of example 80 psi).

Then you see that you can...
Forum: C7 General Discussion
11-18-2022, 11:16 AM
Replies: 50
Views: 3,793
Posted By jadatis

You should not have let some air out, gives more...

You should not have let some air out, gives more deflection, so heatproduction, so higher temperature of the gascompound in the tire, so higher temp of the tire-material.
And that is what counts,...
Forum: C7 Tech/Performance
10-29-2022, 08:51 AM
Replies: 14
Views: 2,055
Posted By jadatis

I should check the alignment, only outside car...

I should check the alignment, only outside car side is worn, so must be to much positive camberange, or toe in or out. For racing negative camber angle is expected to be needed.
Such a wide tire is...
Forum: C1 & C2 Corvettes
10-24-2022, 03:42 PM
Replies: 11
Views: 533
Posted By jadatis

Give if they are XL/reinforced/extraload, or...

Give if they are XL/reinforced/extraload, or better give.
1. Maximum load or loadindex
2. Kind of tire, that XL// or not, to detetmine the referencepressure.
3. Speedcode, less important.

Can...
Forum: C3 Tech/Performance
08-20-2022, 06:28 PM
Replies: 15
Views: 994
Posted By jadatis

Radial tires need higher pressure then bias, but...

Radial tires need higher pressure then bias, but 26 psi is lowest given in US, but European official calculation, wich I got hold of end 2007 and went running with, says not to go lower then 1.5 bar...
Forum: C8 General Discussion
03-20-2022, 12:01 PM
Replies: 24
Views: 1,733
Posted By jadatis

Not every sensor uses the same system. but I...

Not every sensor uses the same system.
but I read from someone with traveltrailer and the tiremoni system, that it gave in bar , but in steps of 1 psi conversed to bar with 2 digits behind dot. ...
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