Quote:
Originally Posted by cRiPpLe_rOoStEr
Not so sure about it increasing the strenght of the metal, most likely it won't work that way, but getting rid of contact with the tire is a desirable feature, as a tire rubbing the aluminium will increase drag.
And even though I'm not sure it would also decrease noise, most likely it would. In some buildings, the ceiling shaped with many convex surfaces is used as a sound-deadening measure.
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My mistake - I meant make it more
rigid.
But that's probaly not correct either.
I have observed that sheet metsl becomes more rigid when it has ridges on it.
But these are dimples and may not work that way.
I was thinking the cover would vibrate less if it was dimpled that if it were flat sheet.