Thinkpads Forum

I am planning to switch to T60p from my current T42.
however, when I check the tabook, I am surprised.
for T60 laptop:
14" , magnesium composite in top cover. CFRP(hybrid carbon fiber reinforced polymer) bottom cover.
15", CFRP in top/bottom.

for t43 laptop:
both 14" and 15" are:
Magnesium composite in the top cover, titanium-reinforced CFRP in bottom cover.

well, it looks like Lenovo does not use titanium for T series anymore. i feel sad to hear about this. also, for T60, 15" laptops dont even use magnesium cover.

ANY T60 USER has COMMENT ON THIS?

The hinges, I believe, are still a titanium alloy and I don't know what the roll-cage is made out of. All the T60s I have toyed with in the labs feel sturdier than the comparable T4X Series systems, the same goes for the lid.

Given the roll cage, I think that it was is OK to remove the Titanium from the bottom as far as flexing is concerned in favor of slight weight gain. The lid is what is really important for shocks and bending and that hasn't changed in composition.

do u think the lid is stronger than before? for 15" one. coz it use CFRP instead of magnesium.

What I've read is that the T series still have magnesium under the CFRP on the lids as well (though the R series are just ABS plastic on the lids). I know I can push on the back of my 15" flexview T60 all I want and I won't see any rippling on the LCD side. Oh, and the roll cage is magnesium alloy.

I think because of the magnesium alloy rollcage and new layout of components in which much care has been taken to handle heath dissipation, where major space has been needed to improve air flow and hence increasing weight, CFRP has been used because it performs better than titanium.

purely from a materials standpoint, carbon fiber is lighter and stronger than titatnium when it's the same thickness. It seems like a positive change in terms of materials.

The actual parts are sturdy as hell, I just have a horrible fit of the screen to the main body, and can't afford to send it out to lenovo for repairs, considering I use the t60 every day.

rleo25 wrote:I think because of the magnesium alloy rollcage and new layout of components in which much care has been taken to handle heath dissipation, where major space has been needed to improve air flow and hence increasing weight, CFRP has been used because it performs better than titanium.

then what about 15" T60, it has CFRP lid instead, do u think it is strong enough?

ronan_zj wrote:

rleo25 wrote:I think because of the magnesium alloy rollcage and new layout of components in which much care has been taken to handle heath dissipation, where major space has been needed to improve air flow and hence increasing weight, CFRP has been used because it performs better than titanium.

then what about 15" T60, it has CFRP lid instead, do u think it is strong enough?

See my post above. The description is wrong, it has magnesium below the CFRP, and like I said there is no rippling on the LCD no matter how hard I push on the back of it.

Hi,

I just ordered a new T60P and had not noticed the CFRP issue. I currently own a T40 and it has a lot of flex in the bottom case. As a matter of fact, I just got it back from EZServe for a main board replacement (maybe due to the flex?)

So... how is the flex in the T60P?... can you flex the bottom case at all?

Thanks,

Jeff B

Turboqueef wrote:Hi,

I just ordered a new T60P and had not noticed the CFRP issue. I currently own a T40 and it has a lot of flex in the bottom case. As a matter of fact, I just got it back from EZServe for a main board replacement (maybe due to the flex?)

So... how is the flex in the T60P?... can you flex the bottom case at all?

Thanks,

Jeff B

Well, on the 15" T60, if I try really hard I can get a very small amount, but something like just picking it up at one corner isn't enough to do it.

Playing around with some of the models I have, I can say a sound "No" to the flexing. Either intentionally, checking out the chassis, and unintentionally, seeing it used on a very uneven surface and supported between two points, I felt/saw no flex as compared to a T4X Series Thinkpad. Most of that is probably due to the roll-cage, but also some to the bottom composites.

Picking it up, not too hard, from the corner will really not get it to show any flex where as you can feel some flex with the T4X Thinkpads when you do that. Not that one should do that often.

So... can we collect from above posts that as to material´s quality there has been an improvement in the new T60s ? I would say YEEES!

I just went to a T60P from a T40. The T60 is WAY more solid feeling. The thing is a tank. Honestly I was surprised how solid it feels. Zero flex in the frame and screen. When I bought my T40 3 years ago it was light years ahead of every other laptop I had seen in durability. There is no way I could live with a flimsy Dell after 2 Txx's.

to make this clear, these are the materials that t60 uses:

for the 14" screen the lid is magnesium composite and CFRP on bottom cover.

for the 15" screen the lid and the rest of the cover are CFRP

And ALL t60's have Magnesium rollcage!!!

So, feel confident on buying between both because at least CFRP is a 5X stronger than ABS and most computer manufacturers uses ABS like dell is one of them that's why they are a lot a lot cheaper!