RCU Forums - View Single Post - "Shear Web" Question?
View Single Post
Old 09-14-2004 | 07:07 AM
  #32  
MinnFlyer's Avatar
MinnFlyer
Senior Member
My Feedback: (4)
 
Joined: Apr 2002
Posts: 28,519
Likes: 0
Received 9 Likes on 9 Posts
From: Willmar, MN
Default RE: "Shear Web" Question?

ORIGINAL: Chuckr53-RCU

I'm just curious...why are they called "shear" webs? I thought the main goal of the shear web was to restrict the opposing lateral movements of the top and bottom spars under stress to add stiffness to the wing, to resist the bending of the wing when subjected to positive or negative G's.

That's what I thought.
You're right. When airpressure tries to lift the wing, it is "Held down" in the center by the weight of the Fuse. If all you had were two spars (pivoted in the center of the Fuse) and you lifted them, they would "Shear" against each other.

To save a few thousand words, refer to the pictures below:
Attached Thumbnails Click image for larger version

Name:	Ec87665.jpg
Views:	31
Size:	24.2 KB
ID:	173209   Click image for larger version

Name:	Bw72740.jpg
Views:	36
Size:	31.1 KB
ID:	173210