Pic of the Day

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Terminator
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Re: Pic of the Day

Post by Terminator »

Hi Mike
Totally gobsmacked to be shown the water coming out of the frame on Saturday by Roberto :shock: Mind you it tasted OK to me even after all its been through these past 43yrs, genuine Coniston water alright :D

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bluebirdsback
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Re: Pic of the Day

Post by bluebirdsback »

That was my new 1967 vintage. Glad you enjoyed it old boy.
On a serious note though it did knock the ardrox program back a bit. I'll get the bugger when its dry though.
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Renegadenemo
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Re: Pic of the Day

Post by Renegadenemo »

I was gobsmacked too, having smugly assumed we'd long since bottomed the water ingress problem... You live and learn.

That water was heated to 200 degrees centigrade for over forty minutes and beyond its boiling point for several hours more but it was still lurking where we least expected to find it. On the plus side Rob did find it during his systematic opening of every void in the frame so it's now where it belongs - evaporated back into a cloud and heading for Coniston as we speak. Bloody good job too... Imagine what would've been said had it rotted through the frame sometime hence to prove we'd missed it all those years ago. Phew!
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Russ
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Re: Pic of the Day

Post by Russ »

That is an interesting one. As you say, it was heated to beyond boiling point, so it would have been a gas under pressure, looking for a way out of the void in the frame.

So why didn't it come back out of the way it came in? Maybe the engineering types here can answer this one, but given that there must be a way into the void at lake bed temperature and pressure, then what happens to that way in at room temperature, which its been at since it came out of the lake, not just at the oven temperature? And what sort of pressure does a given volume of water generate when turned to steam at 200C?

Is it expected behaviour for any low temperature, high pressure opening to seal up at ambient pressure and temperature, and stay sealed at high temperature, and the much higher pressure of steam compared to water? If you can move a whole train or very large ship just with the power of steam, then why didn't the steam find / blast its way out in the oven?

I can remember an experiment back in 'O' level Physics whereby a washer with a small gap through it was heated, but instead of the gap closing, it stayed as a gap because the ring expanded radially, i.e. outward much more than along the circumference, which it would need to do for the hole to close. Has the opposite happened here, and the presumably tiny hole has closed up at temperatures above lake bottom?

I guess that you're not expecting the Ardox to leak out and show the hole, as if it's there now, then the water would have already leaked through it by evaporation even if was too small for capillary action to bleed it.

What it does show is just how thorough and professional the team are being about the restoration of K7; that's one of the many things that the team doing the work can be proud of.

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Renegadenemo
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Re: Pic of the Day

Post by Renegadenemo »

I'd guess the answer is fairly simple. The welds are not very good and chances are the water was squeezed in there by the 4Bar pressure gradient while the boat was at 40m for 34 years. It'll have oozed in through a pinhole and probably didn't boil because the pressure generated would move the boiling point up - bit like a pressure cooker. It has no incentive to get back out either because the trapped air pressure must have equalized or it would be pushing the water out with a steady drip as it did in many places around the boat. Strange goings on, all the same after all this time.
I'm only a plumber from Cannock...

"As to reward, my profession is its own reward;" Sherlock Holmes.

'Sometimes you gotta be an S.O.B if you wanna make a dream reality' Mark Knopfler

bobkaz
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Re: Pic of the Day

Post by bobkaz »

is this the dzinora from 4 ashes

Terminator
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Re: Pic of the Day

Post by Terminator »

Certainly is the Dzinora from the Four Ashes plant who might this be them from my past? Its not you Mr. Freeman by any chance?

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malcolm uk
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Re: Pic of the Day

Post by malcolm uk »

A vital record showing men might be tolerable and not too bad. But please do not let them have a vital record showing men from one or more ball chasing teams!
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Piston Broke
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Re: Pic of the Day

Post by Piston Broke »

malcolm uk wrote:A vital record showing men might be tolerable and not too bad. But please do not let them have a vital record showing men from one or more ball chasing teams!

If the blokes of the BBP team do 2 months each we can do a calander for the BBP ladies ( we have bigger bodies than those other male calanders)
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malcolm uk
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Re: Pic of the Day

Post by malcolm uk »

Seems I can be on the operating side of the camera or well out of the way if you all do 2 months. Don Wales is a good photographer to take the BBP calendar boys. Will make a change to his lingerie assignments! :lol:
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