What were the weight savings from removing FW 190 outer wing cannons?

[robert_schulte]

Originally Posted by Franek Grabowski

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Pardon?

It may not be obvious, but the reason why weight does influence speed is quite simple.
Adding weight to a specific plane means, that this plane has to achieve more lift to stay in in level flight. More lift with the same wing needs a higher angle of attack of the air flowing around the wing. And a higher angle of attack does produce more drag.
The speed advantage by using less weight is dependent on the aerodynamic efficiency of the plane. The speed advantage with a 2 percent lighter "Me 323 Gigant" will probably be much smaller than with a "Mustang" for example.
Regards
Robert