A flying buttress is a specific form of buttressing most strongly associated with Gothic church architecture. The purpose of any buttress is to resist the lateral forces pushing a wall outwards (which may arise from stone vaulted ceilings or from wind-loading on roofs) by redirecting them to the ground. The characteristic of a flying buttress is that the buttress is not in contact with the wall all the way to the ground; so that the lateral forces are transmitted across an intervening space. Flying buttress systems have two key components - a massive vertical masonry block (the buttress) on the outside of the building and a segmental or quadrant arch bridging the gap between that buttress and the wall (the 'flyer').
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Famous quotes containing the word flying:
“Bonnie Lee: Oh, it’s the most wonderful thing I’ve ever seen.
Geoff Carter [sarcastically]: Yes, it reminded you of a great big, beautiful bird, didn’t it?
Bonnie: No, it didn’t at all. That’s why it’s so wonderful. It’s really a flying human being.
Geoff: Well, you’re right about one thing. A bird’d have too much sense to fly in that kind of muck.”
—Jules Furthman (1888–1960)