Warbird Information Exchange

Last two images.

_________________
Why take the best part of life out of your life, when you can have life with the best part of your life in your life?

I am one of them 'futbol' people.

Will the previous owner has pics of this double cabin sample

GOOD MORNING, WELCOME TO THE UNITED STATES OF AMERICA
Press "1" for English.
Press "2" to disconnect until you have learned to speak English.

Sooooo, how am I going to know to press 1 or 2, if I do not speak English????

Get out your calculator Tulio!

https://amesweb.info/Materials/Density_of_Aluminum.aspx

Are you talking the skins, the extrusions, forgings, or what? I'm not sure your blanket statement is accurate, especially considering production changes.

From Wikipedia, "The first 7075 was developed in secret by a Japanese company, Sumitomo Metal, in 1935, but introduced by Alcoa in 1943 and was standardized for aerospace use in 1945. 7075 was eventually used for airframe production in the Imperial Japanese Navy." https://en.wikipedia.org/wiki/7075_aluminium_alloy

Bdk...
I'm just quoting Boeing engineer/historian Peter M. Bowers in Boeing Aircraft since 1916, page 345 of the second edition.
He made quite a point about it with its weight savings, yet being substantially stronger. He was not specific which parts were involved. I assume the primary structure itself, not the skins.

_________________
Remember the vets, the wonderful planes they flew and their sacrifices for a future many of them did not live to see.
Note political free signature.
I figure if you wanted my opinion on items unrelated to this forum, you'd ask for it.