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CRACKED BLOCK

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C UBBY

01-31-2004 18:06:44

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WHERE DO YOU FIND CRACKS ON A CUB I WAS NOT READY FOR WINTER

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Allan

01-31-2004 21:41:51

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Re: CRACKED BLOCK in reply to C UBBY, 01-31-2004 18:06:44

Cubby,

Are you saying that it is froze up? Not to worry if it has not thawed out yet.

When they crack is when they thaw & not when they freeze. Open the system and thaw 'er out; everything will be fine.

It is the expansion of the ice during thawing in a closed system which causes damage.

Allan

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Dakota Jim

02-01-2004 04:11:30

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Re: Re: CRACKED BLOCK in reply to Allan, 01-31-2004 21:41:51

That makes no sense at all. Ice expands as it freezes. It is one of the few substances that do. The expansion is why it floats on water.

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Allan

02-01-2004 08:26:12

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Re: Re: Re: CRACKED BLOCK in reply to Dakota Jim, 02-01-2004 04:11:30

Hi Jim,

Believe what you will.

But just for the fun of it, try it yourself with a 5-gallon metal gas can or something of the sort. Leave the lid off and you can repletely freeze/thaw it over and over again until the cows come home with absolutely no damage.

Put the lid on 'er and it will blow the bottom out of it on the first thaw.

Same way with frozen water pipes: Nothing is damaged in frozen water pipes until they start thawing; any plumber will tell you this. Shut the pump off and open up that system before they thaw and nothing is hurt.

Ever see a stock tank damaged from freezing? It doesn�t happen, as that tank is not closed off at thaw many times every winter.

But, what do I know,

Allan

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Dakota Jim

02-01-2004 13:16:57

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Re: Re: Re: Re: CRACKED BLOCK in reply to Allan, 02-01-2004 08:26:12

I have seen numerous items burst from freezing water. And it surely doesn't occur upon thaw. Naturally you aren't going to see any evidence of water through the freshly created cracks until it begins to melt. LOL This is the second time that you have made mention of freezing in a container with the lid off. It shouldn't take a Rhodes scholar to understand that there is a place for the water to go in such an instance versus what would happen to water in an enclosed container or in a complex or restricted peice of metal wherein the newly freezing water creates an obstruction of its own at some point in the freezing process. It might be time to brush up a little on your freezing physics. Water is one of the very few items that expands upon freezing. Any high school student with a C average can verify this for you. If it did not and maintened the same density/weight ratio it would drift around in water at any static level as opposed to rising to the top and floating. The weight remains the same. Its volume has increased and thereby is slightly lighter in it's newly expanded size and water displacement versus the same original weight of liquid water. It's a little hard to believe that a grown man much less a farmer could maintain such a view as you are espousing. Sweet mercy! Put an unopened can of pop in your freezer and check it out when fully frozen! It may or may not burst, though they often do. One thing for sure, I'd like to see you repost any of this nonsense after observing whether it has expanded or not.

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MT Oockets

02-01-2004 17:13:58

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Re: Re: Re: Re: Re: CRACKED BLOCK in reply to Dakota Jim, 02-01-2004 13:16:57

You are correct. All you have to do is look at cubes in an ice tray. They are "pooched up" on top. Oh, and this plumber won't tell you that pipes don't burst until they thaw. I've been there too many times and I know better. Steve.

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02-01-2004 19:25:54

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Re: Re: Re: Re: Re: Re: CRACKED BLOCK in reply to MT Oockets, 02-01-2004 17:13:58

He is partially right , water pipe and blocks don't leak until they are thawed.

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George Willer

02-01-2004 09:09:39

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Re: Re: Re: Re: CRACKED BLOCK in reply to Allan, 02-01-2004 08:26:12

People sometime believe the damndest things!

George Willer

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Allan

02-01-2004 09:47:55

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Re: Re: Re: Re: Re: CRACKED BLOCK in reply to George Willer, 02-01-2004 09:09:39

Hi ya George,

Yeah, I just don't know where I pick up these silly, foolish notions.

Cold contracts and heat expands.

Hmmmm. Yep, it seems to me it was something to do with Basic Laws of Physics 101, or somewhere such as that.

Have a good one,

Allan

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dar

02-02-2004 11:15:42

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Re: Re: Re: Re: Re: Re: CRACKED BLOCK in reply to Allan, 02-01-2004 09:47:55

Yes, Physics states that most things expand with heat and contract when cooled, but water is one of the few things that does not follow this law. As stated before this is why ice floats. If the water contracted when frozen and expanded when it thawed it would only go back to the original volume it filled before it was frozen. This would not cause engine blocks or water pipes to crack. This is why engines are equipped with freeze plugs to relieve pressure when the water in the block expands during freezing.

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George Willer

01-31-2004 18:46:01

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Re: CRACKED BLOCK in reply to C UBBY, 01-31-2004 18:06:44

This is the worst one. You'll have to look closely because of the water inlet.

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Bigdog

01-31-2004 18:34:53

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Re: CRACKED BLOCK in reply to C UBBY, 01-31-2004 18:06:44

Engine block: high on the side, ahead of the oil filter, and at the front where block bolts to front casting, check both sides. Head: on the top surface Front casting: across the front, at the lower edge of the grille, or the horizontal surface directly in front of the radiator, also check for cracks just in front of where the casting bolts to the block. You should also inspect the area around the bolt holes, where the engine and casting bolt together, as the ears sometimes are cracked.

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