Tyre Temperatures - What is the Danger Level?

The sensors are taking continuous measurements - today's readings were around the high 20 degrees but it's pretty cold over here.

I was referring to the alarm default. I suppose, to re-phrase the Q; how hot would you reasonably expect a tyre to get when travelling at 110kph on the bitumen on a 42 degree day?

Cheers.

Aah ok I was reading it like your tyres were at 70 degrees!

I know little about 4x4 tyres but I would imagine they wouldn't get near 70 degrees. That's pretty hot. That's what we normally maintain tyre temps at for race bikes at Barbagallo and that is with tyre warmers! They're pretty hot to touch them at this temp - too hot almost.

You've got a number of variables like tyre size, vehicle load/weight, the temperature on the day and of course your tyre pressures that will impact on what your temp readings will be. Taking a wild guess here but if the ambient was 42 degrees then expect to see 50-55 degrees on your temp gauge. That allows for the actual surface temp of the bitumen, as well as natural friction but then you also have the large surface area of the tyre to dissipate some of that heat...

Thks, looks like a consensus around the 50s is developing.

Cheers.

On a really hot day, I wouldn't be surprised if the bitumen temperature was 70 degrees.

That's very useful info Graham, thks. I was looking for a benchmark or two.

Cheers. J.

Thanks Rick - another useful benchmark,

Cheers.

Hullo John
The default is pretty close to what I have been advised by industry experts, although one suggested 65 would be his preferred max. I have never got near that figure using a hamd held infrared thermometer. Maybe have a chat with Rob Ackland - I understand he is collaborating with industry on a long term test.
Rgds
Andrew

Sorry for the late response Barry. Got it from:

Peter Spowart

Hannibal Safari Equipment

9/25 Ingleston Road

TINGALPA QLD 4173

AUSTRALIA

(P) 61 7 3348 9388

(F) 61 7 3348 9377

(M) 0408 887 442

(e) info@hannibalsafari.com.au

(w) www.hannibalsafari.com.au



Cost $630 with 6 sensors (for 2 spare wheels).


Unit worked brilliantly except for some intermittent short term loss of readings for only about 10 secs at a time. I'll follow up with Peter for the reason. Now that I've had some experience with it I can't imagine I'd ever go out again without one.

Cheers.

Thks for that Mike.

I was surmising from our CSR trip last week when we used the Sensatyre unit for the first time that it was because of the heavier weight at the rear. Clears it up nicely.

Cheers.