29.06.2010, 02:18
Zitat:Original von Tunc
Sorry, aber die Aussage stimmt nicht ganz.
Der Alurahmen der Z06 ist steifer als der Stahlrahmen einer normalen C6 bei etwa 60 kg weniger Gewicht!
Meine Aussage stammt direkt von dem Entwickler des Rahmens.
https://www.modernmetals.com/common/arti...tpage=8119
"Our goal [with the aluminum space frame] was to match the steel frame stiffness with the roof in place," Juechter says. "The aluminum frame from the beginning was intended for the lightest, stiffest, highest-performance Corvette, so we decided not to make the roof removable. We would always have a load path through the upper [structure], which helps create stiffness. We optimized the aluminum frame, assuming the roof was always there. We could’ve engineered an aluminum frame for the convertible, but it would be heavier--about 20 kilos (44 pounds).
"With the roof in place," he adds, "the [torsional] stiffness [of the aluminum space frame] is similar to the steel frame. The resonant frequency is a little bit higher because it’s lighter."
Mithin gleiche Steifigkeit wie beim Coupe - aber nur mit dem Magnesiumrahmen + Dach!
Zitat:Warum sollte man sonst erst einen "instabileren" Rahmen aus Alu nehmen, um dann das Dach fest zu verschweissen?
Um Gewicht zu sparen!
'08 Corvette C6 Coupe, Schalter, Z51 - Sonntagswagen
'03 Corvette C5 "RR" Coupe - work in progress
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'03 Corvette C5 "RR" Coupe - work in progress
'91 Mercedes 190 E 2.5-16 - Racecar