Why is a manhole round?
|
Author |
Message |
Normal Egg
Member Lvl: 7
Egg Points: 6792
Posts: 1455
|
| Posted: Nov 25, 2006 2:57 a.m. - Subject: Why is a manhole round? |
| |
Discuss.
|
|
| Posted: Nov 25, 2006 3:06 a.m. - Subject: |
| |
because if it was square it would take up too much room in the road, triangle not enough room, pentagon and higher is just retardedly complicated.
|
Normal Egg
Member Lvl: 7
Egg Points: 6792
Posts: 1455
|
| Posted: Nov 25, 2006 3:13 a.m. - Subject: |
| |
You fail.
|
Power Egg
Member Lvl: 10
Egg Points: 12400
Posts: 790
|
| Posted: Nov 25, 2006 3:15 a.m. - Subject: |
| |
so fat people like this dont get stuck?
|
|
| Posted: Nov 25, 2006 3:15 a.m. - Subject: |
| |
thankx
|
Normal Egg
Member Lvl: 7
Egg Points: 12263
Posts: 296
|
| Posted: Nov 25, 2006 3:37 a.m. - Subject: |
| |
Because you cant put the lid down the hole, if it were a square you can put it on a diagonal and drop it down the hole :D
|
Normal Egg
Member Lvl: 7
Egg Points: 12263
Posts: 296
|
| Posted: Nov 25, 2006 3:37 a.m. - Subject: |
| |
He shoots he scores
|
Power Egg
Member Lvl: 10
Egg Points: 12400
Posts: 790
|
| Posted: Nov 25, 2006 3:41 a.m. - Subject: |
| |
But it’s offside
XD
|
Normal Egg
Member Lvl: 7
Egg Points: 1357
Posts: 262
|
| Posted: Nov 25, 2006 3:47 a.m. - Subject: |
| |
because with cars driving over it a cricle is the strongest shape as if it were square, it would be more likely to break
|
Normal Egg
Member Lvl: 7
Egg Points: 12263
Posts: 296
|
| Posted: Nov 25, 2006 3:50 a.m. - Subject: |
| |
Im right :) i read this in an Australian magazine......ZOO Magazine
|
Master Egg
Member Lvl: 43
Egg Points: 1824552
Posts: 7552
|
| Posted: Nov 25, 2006 5:27 a.m. - Subject: |
| |
I thought that was common knowledge. H-Dogg knows for sure, it was probably him I heard it from.
|
Normal Egg
Member Lvl: 8
Egg Points: 81821
Posts: 2063
|
| Posted: Nov 25, 2006 5:49 a.m. - Subject: |
| |
yeah Klerkxy is right.......and thats a good magazine for $3
|
|
| Posted: Nov 25, 2006 7:34 a.m. - Subject: |
| |
Klerkxy is correct, so it won’t drop into it’s own hole.
Also, so you don’t have to place it on in any particular direction, no matter which way you point it it fits fine.
|
Power Egg
Member Lvl: 10
Egg Points: 11486
Posts: 1132
AIM YIM
|
| Posted: Nov 25, 2006 9:04 a.m. - Subject: |
| |
Because it won’t fall into the own hole, less metal than a square, and it fits anyway.
|
Power Egg
Member Lvl: 10
Egg Points: 11486
Posts: 1132
AIM YIM
|
| Posted: Nov 25, 2006 9:06 a.m. - Subject: |
| |
DAMMIT I saw this post earlier and was like, "I’ll go to the skate demo, then come home with a super-witty answer!" and then I come home to discover my ideas were telePATHETICLY stolen...
|
Power Egg
Member Lvl: 19
Egg Points: 70702
Posts: 2352
|
| Posted: Nov 25, 2006 9:13 a.m. - Subject: |
| |
You’re correct; any other shape you can think of could be tipped and dropped into the hole.
But you could conceivably make the cover from a sixteen-sided regular polygon; it’d be so close to round, it wouldn’t fall in, which would solve the original problem. Then the manufacturing becomes more of a pain in the ass:
--They’re typically made of cast steel; you would need a sixteen-sided mold in which to pour the molten metal.
--The mold would be harder to maintain; the casting sand would have to shaped just perfectly to mae the sixteen hard corners.
--After the newly-cast cover comes off the mold, extra bits of metal have to be ground off by hand, using an angle grinder. This is harder to do with precision when corners and straight lines must be maintained.
--All of which begs the question: What should the city or utility company do with all the round manholes in use today? Replacing them all would be expensive, so when installing new sixteen-sided manholes, that’s another item to inventory; they’d have to eep trac of whether any given manhole is round or sixteen-sided.
So, a round manhole cover is the simplest and cheapest shape that prevents the cover from falling into the hole.
|
Master Egg
Member Lvl: 39
Egg Points: 1636460
Posts: 4589
|
| Posted: Nov 25, 2006 9:30 a.m. - Subject: |
| |
There is a two part square man hole down the road from me. Ill get a picture in a minute.
|
Master Egg
Member Lvl: 43
Egg Points: 524374
Posts: 8380
|
| Posted: Nov 25, 2006 9:36 a.m. - Subject: |
| |
You guys are all wrong... Its round because aligators have trouble exiting round holes. They can only move through shapes with edges. Everyone knows this..
|
Power Egg
Member Lvl: 10
Egg Points: 11486
Posts: 1132
AIM YIM
|
| Posted: Nov 25, 2006 9:38 a.m. - Subject: |
| |
So H-Dogg basically your saying I’m right? Thats what I thought.
|
Master Egg
Member Lvl: 43
Egg Points: 524374
Posts: 8380
|
| Posted: Nov 25, 2006 9:41 a.m. - Subject: |
| |
To further make understanding of my last comment, its like when a hampster will only piss in a corner.
Noone wants the evil gingavitu.... aligators escaping and causing chaos amongst the city folk? Thats what I thought. The circle idea was a well thought creation of the gods.
|
|
|
