21 replies to this topic

[Mickey]

Can anyone give me a figure, for both front and rear? What about the huge ones of the 70ies?

[Mickey]

Ok, I've waited over 8 months for a reply, can I have one now?;)

[imaginesix]

Yes: No!



Just kidding!

[Tech_Nut]

Well Mickey, 8 months does seem a bit of a long wait to me, so I will give you 2 guesstimates that may or may not be reasonably accurate:

wheel+tyre (front) = 10kg
wheel+tyre (back) = 12kg

In the ballpark or not? Anyone know?

If anyone does have accurate weights for the 2 above, do they also have (typical) weights that represent the Total Unsprung Weight for each corner of an F1 car - that is the weight of the Hub+Disk+Caliper+Pads+Upright? (Also + wheel-tether weight?).

The only weight I'm sure of is the weight of a carbon disk is about 1.4kgs as opposed to the weight of a steel disk being 3kgs.

TN

[Mickey]

Thanks for the guesstimate, Tech_Nut. I would have thought wheels were heavier.
About the 8 months: I just noticed yesterday that there was this thread which I started 8 months ago. If I didn't see it by pure chance, I wouldn't have brought it back to the surface

[desmo]

I tried to find that out when you first posted the question but couldn't get anything more definitive than guesstimates most of which were around 15kg. I couldn't confirm this so I chose not to speculate.

[unrepentant lurker]

Road&Track said in one of their "Jaguar" articles that the wheels weighed less that 20 pounds, which would be about 10 kilos. They didn't specify front or rears, but i don't think the difference is probably very little.

[Ghostrider]

I read in F1Racing once when they made a tech spec of a Jordan that the front wheel weighs 4 kg, and the rear 4,5 kg.

[Mickey]

Thanks guys!
Now I'm more confused than before, with estimates going from 4 to 15 Kgs, but who am I to complain???
Again, thanks to all who replied

[diosh]

The mechanics usually lug them around, rather than pick them up easily with one hand, makes 10kg seem more likely.

I have a question, would there be much of an advantage for bridgestonemichelin in making their tires lighter? Surely if they made the compound a little bit lighter, rotational intertia would be lowered, giving them more acceleration. What about the rims? Or do they not bother with developing them?

[Jaxs]

check out

www.michelinf1.com

might have the info you want

Regards

Jaxs

[MrAerodynamicist]

Originally posted by diosh
The mechanics usually lug them around, rather than pick them up easily with one hand, makes 10kg seem more likely.

Theres a photo in F1 Magazine of a gorl holding one above her head - they must be dead light ;)

[just me again]

I Have a 95 front BBS Wheel in the cellar i once used as a coffetable, i will try to find sometime next week.

Bjørn

[Mickey]

That would rock!
Thanks so much

[Keith Young]

How many Pounds are in a KG?

[rek]

Originally posted by rough_wood
How many Pounds are in a KG?

1 lb = 454 g

1 kg = 1000g = 2.2 lb

[just me again]

I have finally found my F1 front wheel i once used as a coffetable.
The weight is 11,5 kg for a front OZ frontwheel with raintyre from a Williams, i think it is a 94 or 95 wheel.

Bjørn

[Mickey]

Bjørn

Thanks a lot for the info!!!

Care to swap your coffee table for mine?;)

[just me again]

No Way, it is my cofee table, but there must be shops where you can buy one, i think i gave 97 pound

Bjørn

[Mickey]

heheh, ok

[TIREGUY]

32.4lbs for a unused, pre-groove rear, mounted on a O Z wheel off of a Williams, circa 1997.

[Mickey]

TIREGUY,
Excellent info, many thanks!

So, we roughly have the weight of mid 90ies tires as being:
32.4 lbs = 14.7 Kg for a slick rear, and
25.3 lbs = 11.5 Kg for a rain front

Is/was there much difference in weight between slick and rain?

What about the huge mid 70ies tires? How much would they weight, considering the larger size, different compounds and different materials?