the optimal proportion of the weight of the vehicle and payload. It needs to be strong and stiff enough to withstand the exceptional circumstances in which it has to operate. Durability is an important factor. Also, if a part fails, it doesn’t necessarily result in failure of the whole aircraft.
The main sections of an aircraft, the fuselage, tail and wing, determine its external shape.
newer aircraft being made of advanced composites.
Note the Cirrus SR-22 and Boeing Dreamliner 787 as examples of the newest modern aircraft developed at this time.
It has only been very recently that mainstream automobiles are starting to switch to lighter materials like aluminum.
There are several categories of aircraft
Fixed-wing Airplane
Rotorcraft
Glider
Lighter-than-air vehicles
4. STRUCTURE DESIGN
4.1. Wing structure
Wing structure
The wing on the plane is a part that the highest load take. The large bending moments especially act on the point near the root of wing. Also, we should consider the number of spar, rib, position, skin thickness and taper ratio.
I Beam shape
4.2. I Beam
Beam theory shows that the I-shaped section is a very efficient form f
Catherine and discover a man crouched behind her, kissing her back.
Catherine is standing on a low mechanics platform and her skirt has been raised and hooked over the wings flap. She wears garters and stockings but no panties.
The man, handsome, cruel-looking, rises up behind her, enters her, kisses her neck. Catherine half closes her eyes. She rotates her pelvis gently against his thrusting.
Hide And Seek Script
(drumroll)
(rousing orchestral
fanfare playing)
(fanfare ends)
(suspenseful music playing)
(child squealing in distance)
(quiet, haunting theme playing)
(birds chirping, wings flapping)
(laughing)
(both laughing)
(screams)
WOMAN:
Ready to go faster?
GIRL:
All right. No, no, no!
Youre gonna slide off.
Oh!
You all right?
- Are you sliding?
- Yes.
No, if youre sliding,
Im going