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Forum: Tech Log

25th Oct 2017, 21:45

Replies: 48

Airframes

Views: 11,853

Posted By underfire

What you are unable to comprehend is that those...

What you are unable to comprehend is that those systems are static, and the removal of the windows and associated reinforcement is a difference..

Note: the weight of the windowless fuselage vs the...

Forum: Tech Log

25th Oct 2017, 16:51

Replies: 48

Airframes

Views: 11,853

Posted By underfire

Did you look at the formula? Did you...

Did you look at the formula?

Did you look at the formula?

What exactly do you think Window metal frame and near hole reinforcement are? Structural elements perhaps?

Perhaps if you READ...

Forum: Tech Log

24th Oct 2017, 15:30

Replies: 48

Airframes

Views: 11,853

Posted By underfire

Dave, thanks for that link! The formula...

Dave,

thanks for that link!

The formula and calculations they give amount to about a 28% weight savings in the fuselage structure, including the windows vs screens
...

Forum: Tech Log

24th Oct 2017, 12:46

Replies: 48

Airframes

Views: 11,853

Posted By underfire

I understand that, but Boeing doesnt build a...

I understand that, but Boeing doesnt build a different structural frame for the F models do they?

Now going back, I did say saving 25% on the fuselage structure? Thinner elements, no bracing and...

Forum: Tech Log

23rd Oct 2017, 18:41

Replies: 48

Airframes

Views: 11,853

Posted By underfire

It was 25% of the weight of the structural...

It was 25% of the weight of the structural elements of the fuselage. The structural sections could be optimally spaced, and smaller not having to reinforce around the windows. There is the weight of...

Forum: Tech Log

22nd Oct 2017, 00:52

Replies: 48

Airframes

Views: 11,853

Posted By underfire

I seem to remember that Airbus showed a design at...

I seem to remember that Airbus showed a design at the Paris Airshow with no windows, and had screens mounted where the windows would normally be. The screens showed the outside view from cameras...

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