Thread: Kobo Forma - Wow!
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Old 07-01-2021, 09:24 PM   #22
davidfor
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Quote:
Originally Posted by Pajamaman View Post
@hobnail. Thx.

Actually I think aluminium is lighter than plastic.
It is nowhere near that simple. It is probably has better strength to weight, but, it will also depend on the plastic and, for that matter, the exact aluminium alloy. The plastics that are being used, can be cast with ribs to improve stiffness. Aluminium can be cast as well, but, it will be a much more expensive process. I'm guessing the back of the Oasis is pressed. Looking at the shape, that step will improve the stiffness along that length of the device. That is a good design with minimal weight penalties.

To me, the choice between aluminium and plastic for most devices is looks. Both when new and as they start to wear. Heat dissipation is probably the only real advantage, but, at times that could be a disadvantage.
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