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What Is It?

What Is It? is a place for engineers to test their knowledge (and sense of humor). Each week (or month, or...) the CR4 team will post an unidentified picture of an object, tool, animal, something. We're looking for your best (or funniest) guesses at what it might be in the comments.

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What Is It? for 8/5/12

Posted August 05, 2012 12:00 AM
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#1

Re: What Is It? for 8/5/12

08/05/2012 12:41 AM

It's one of these...

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#25
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Re: What Is It? for 8/5/12

08/06/2012 4:36 PM

But older. The mystery ehxaust cap has rust on the clamp! I, too, have an antique John deere. -- JHF

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#2

Re: What Is It? for 8/5/12

08/05/2012 1:07 AM

Ran cap or rain flapper for the exhaust pipe of some engine.

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#16
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Re: What Is It? for 8/5/12

08/06/2012 7:54 AM

Yes, But, I would like to know the serial number on the engine.

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#17
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Re: What Is It? for 8/5/12

08/06/2012 8:29 AM

serial #

222bad

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#3

Re: What Is It? for 8/5/12

08/05/2012 3:11 AM

Its a clacker... or that the sound it makes as the engine is running...

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#4

Re: What Is It? for 8/5/12

08/05/2012 7:14 AM

Weather cap for a farm tractor exhaust pipe.

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#5
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Re: What Is It? for 8/5/12

08/05/2012 9:17 AM

And when it breaks it turns into an upside down coffee can.......

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#7
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Re: What Is It? for 8/5/12

08/05/2012 3:42 PM

Not just for/on farm equipment but construction equipment also.. Big trucks have used them. Some still do. I've seen them on modified VW's exhausts.

Basically any vertical or near vertical exhaust pipe you want to keep rain out when not running for long periods of time. Keep water from entering the engine and from rusting out the exhaust.

Not that you all did not know that already.

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#6

Re: What Is It? for 8/5/12

08/05/2012 12:33 PM

Cap to prevent CO2 & CO to escape into the atmosphere . (Green attachment)

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#8

Re: What Is It? for 8/5/12

08/05/2012 7:38 PM

Have a little fun--put a padlock through the hole!

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#9

Re: What Is It? for 8/5/12

08/06/2012 12:02 AM

This is the rain flapper on the exhaust pipe of what appears to be a small motor.

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#10

Re: What Is It? for 8/5/12

08/06/2012 1:31 AM

Its an acorn storage tank with optional padlock hole to keep other squirrels from raiding the bank ...... except when its not acorn stashing season and then its a rain cap on vertical exhaust pipes

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#11

Re: What Is It? for 8/5/12

08/06/2012 2:04 AM

It is an engine stopper. The engine runs when open and stop when closed.

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#12

Re: What Is It? for 8/5/12

08/06/2012 2:44 AM

i think we have a convoy!

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#13

Re: What Is It? for 8/5/12

08/06/2012 4:40 AM

It's an ancillary engine running indicator. Up = running, Down = not running

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#18
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Re: What Is It? for 8/5/12

08/06/2012 8:31 AM

Binary type as it is either 1 or 0

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#28
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Re: What Is It? for 8/5/12

08/09/2012 12:24 AM

That is logical!!

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#14

Re: What Is It? for 8/5/12

08/06/2012 5:45 AM

The exhaust flapper on Captain Nemo's submarine.

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#15

Re: What Is It? for 8/5/12

08/06/2012 7:01 AM
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#19

Re: What Is It? for 8/5/12

08/06/2012 9:33 AM

It is a manual engine governor. One installs a padlock in the hole shown to limit engine power. Remove it when leaving the valet parking lot.

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#20

Re: What Is It? for 8/5/12

08/06/2012 9:34 AM

when a banana isn't available????

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#21
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Re: What Is It? for 8/5/12

08/06/2012 10:34 AM

OK, a Raincap here is available for 22 inches. That one looks a little bigger.

I'll bet a counter-weight is missing from the hole. This looks like a non-operating farm and the only think I can think of is a composting vent from a manure fermenter for animal waste on a cattle farm or something like that.

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#22
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Re: What Is It? for 8/5/12

08/06/2012 11:39 AM

I have never seen one of these installed on cattle. I would inagine the 22" model would be more difficult to install on the cattle.

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#30
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Re: What Is It? for 8/5/12

08/09/2012 6:09 AM

22" near impossible without surgical intervention

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#23
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Re: What Is It? for 8/5/12

08/06/2012 11:50 AM

The gas from a biodigest is methane.......it does not rise but it can be forced out....... btw, that banana thing.....was a joke.... a poor one, but still a joke..

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#24

Re: What Is It? for 8/5/12

08/06/2012 12:09 PM

Basically a manure pit vent.

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#26

Re: What Is It? for 8/5/12

08/06/2012 6:52 PM

How about a vented water tower?

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#27

Re: What Is It? for 8/5/12

08/08/2012 8:28 AM

This is an exhaust cap on a tractor

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#29

Re: What Is It? for 8/5/12

08/09/2012 12:45 AM

Look at the size of IT, compared to the fence.

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#31
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Re: What Is It? for 8/5/12

08/09/2012 7:30 AM

The bolt on the lower, right hand side is almost certainly 1/2" across. That should allow getting a better perspective on size.

I believe the firing order is 153624.

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#32
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Re: What Is It? for 8/5/12

08/09/2012 7:50 AM

I can assure you it's a tractor - my mother took the photo.

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#33
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Re: What Is It? for 8/5/12

08/09/2012 9:06 AM

Yes, but what is the firing order?

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#34
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Re: What Is It? for 8/5/12

08/09/2012 10:10 AM

firing order always starts with the person furtherest away from the boss

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#35
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Re: What Is It? for 8/5/12

08/09/2012 10:26 AM

That I don't know - it's not my tractor and I didn't ask.

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#37
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Re: What Is It? for 8/5/12

02/05/2014 2:06 PM

If it is an old John Deere the firing order is 1-2, 1-2, 1-2 if everything is running right. If not it could be 1,1,1,1,1,1 -2,1,1,1-2

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#38
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Re: What Is It? for 8/5/12

02/05/2014 4:03 PM

If really old, the firing order would be 1, 1, 1,....

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#39
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Re: What Is It? for 8/5/12

02/05/2014 10:28 PM

Did you know that the firing order for that engine was the same for the reverse rotation models?

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#40
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Re: What Is It? for 8/5/12

02/05/2014 10:39 PM

Occasional backfires would be 1, 1, 1, -1, 1, -1,....

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#36

Re: What Is It? for 8/5/12

08/20/2012 4:37 AM

looks like an exhaust cap to a diesel engine like some of the older trucks. But no self respecting truck driver would ride around without it being chromed. So it must be off some tractor or equipment diesel motor.

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