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Lancaster Bomber, Spitfire & Hurricane.. Fuck yeah!

ScouseJim

By ScouseJim,
in GF - General Forum

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neko Grand Master

neko

Posted
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Ha! And that's why I love the GF!

 

RL already PM'ed me for the spreadsheet, so I might as well explain it here.

 

I'll dig around for a drawing or two, but I think I've posted them before.

 

How the formulas work is that you plug in key dimensions of the wing ribs along the length of the wing, and it returns the proper thicknesses (or shape) of the ribs to generate the proper aerodynamic properties.

 

I think it actually works the same for many wing designs - but if you know the dimensions the wing is supposed to take, then it basically plots the X and Y coordinates necessary to shape the all the ribs (and hence the wing itself).

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neko Grand Master

neko

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I think these are newer images of the design. Each rib of the wing was shaped and designed as a pure 2D profile and then modeled in 3D, where all the openings were removed where the structure and mechanical stuff required. Most of the holes in the ribs (and other structure) are purely for weight loss.

 

overall_2010c-1.jpg

 

overall_2010b-1.jpg

 

overall_2010a-1.jpg

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neko Grand Master

neko

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Here is a working drawing of the wing radiator cowling - identical (in appearance) to the original.

 

Drawings like these would be a lot sharper and easier to read, but I had to rasterize it and make it much smaller.

 

you can actually see the shape of that rib in the images above (third and fourth rib out on the starboard side)

 

sp1-5061-5061.jpg

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neko Grand Master

neko

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Sensational that Neko.

 

Pretty clever for a cat, eh ?

 

I don't just lounge in the sun all day licking my balls, despite what people think.

 

Truth is, I'm not the brains behind the operation. I had the title of 'Technical Director' for the company...basically I did all the drawings.

 

My (now former and deceased) partner was the engineer and visionary....definitely the Reginald Mitchell type.

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Alan Sex Grand Master

Alan Sex

Posted
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Pretty clever for a cat, eh ?

 

I don't just lounge in the sun all day licking my balls, despite what people think.

 

Truth is, I'm not the brains behind the operation. I had the title of 'Technical Director' for the company...basically I did all the drawings.

 

My (now former and deceased) partner was the engineer and visionary....definitely the Reginald Mitchell type.

 

(For this, read "Don't piss off the cat!").

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neko Grand Master

neko

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(For this, read "Don't piss off the cat!").

 

Ha ! guess it reads that way, doesn't it ?

 

The split was amicable enough - he developed ALS (Lou Gerhig disease) shortly after though.

 

It was a real shock, and a terrible way to go.

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stevebaby Proficient

stevebaby

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Here is a working drawing of the wing radiator cowling - identical (in appearance) to the original.

 

Drawings like these would be a lot sharper and easier to read, but I had to rasterize it and make it much smaller.

 

you can actually see the shape of that rib in the images above (third and fourth rib out on the starboard side)

 

sp1-5061-5061.jpg

That's a lovely bit of draughtsmanship there Neko. I learned long ago to do technical drawings of ships/boats,but I've never learned to do it on a computer,and I have great admiration for those who can.

Well done,that man.

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