Frozen peas - Page 4 - SV650.org

northwind · 08-12-07, 06:12 PM

Not taking the ****, it's just the same idea as compressed air- they swell as you add the water. I'm not sure how the "getting the peas out" stage would go though, it's prety awkward getting stuff out of an SV tank. You need to be careful with air, make sure there's no petrol fumes!

09-12-07, 12:16 AM

... water expands when it's frozen, so why do peas expand when they're defrosting?

09-12-07, 12:25 AM

doh.. just seen it was because hot water was added!

But how about why most frozen peas sink when you add water, but when you boil them most are floaters??

northwind · 09-12-07, 12:48 AM

flibble, presumably because they expand? And therefore displace more water per pea. I dunno

Can't cook.

yorkie_chris · 09-12-07, 05:10 PM

Quote:

Originally Posted by northwind

Not taking the ****, it's just the same idea as compressed air- they swell as you add the water. I'm not sure how the "getting the peas out" stage would go though, it's prety awkward getting stuff out of an SV tank. You need to be careful with air, make sure there's no petrol fumes!

Fill it with water first, same idea as a hydrostatic test.

phil24_7 · 09-12-07, 05:28 PM

Quote:

Originally Posted by yorkie_chris

Fill it with water first, same idea as a hydrostatic test.

?

yorkie_chris · 09-12-07, 05:32 PM

If you're using compressed air on a fuel tank, there are 2 dangers.
1) air and petrol fumes can go BANG
2) air in a tank has a lot of energy, so if the tank split then it could hurt, a lot.

So, you fill the tank with water before you seal it and admit the compressed air, the water displaces all the fumes out of the tank, and being incompressible if the tank was to split then it just spurts out instead of explosively releasing.

09-12-07, 05:37 PM

I have a novel idea. Why not put several cans of shaving foam in the freezer. After they have frozen cut the end of the can off and voila, frozen foam. Get this in the tank and seal it. As the foam melts it will expand and bingo! Im sure someone on here who is more scientifically minded than myself will come up with a million reasons why this is a bad idea but just adding my two pence worth!

phil24_7 · 09-12-07, 05:38 PM

Ooh, interesting.

How would one go about pressurising a fuel tank and I thought fuel tanks were double skinned so it would only push out large dents that had dented the inner skin??

yorkie_chris · 09-12-07, 05:41 PM

Quote:

Originally Posted by Keith1983

Get this in the tank and seal it. As the foam melts it will expand and bingo! Im sure someone on here who is more scientifically minded than myself will come up with a million reasons why this is a bad idea but just adding my two pence worth!

Really really scientific reason: it wouldn't fit

08-12-07, 06:12 PM	#31
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,082	Re: Frozen peas Not taking the ****, it's just the same idea as compressed air- they swell as you add the water. I'm not sure how the "getting the peas out" stage would go though, it's prety awkward getting stuff out of an SV tank. You need to be careful with air, make sure there's no petrol fumes! __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

09-12-07, 12:16 AM	#32
flibble Guest Posts: n/a	Re: Frozen peas ... water expands when it's frozen, so why do peas expand when they're defrosting?

09-12-07, 12:25 AM	#33
flibble Guest Posts: n/a	Re: Frozen peas doh.. just seen it was because hot water was added! But how about why most frozen peas sink when you add water, but when you boil them most are floaters??

09-12-07, 12:48 AM	#34
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,082	Re: Frozen peas flibble, presumably because they expand? And therefore displace more water per pea. I dunno Can't cook. __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

09-12-07, 05:32 PM	#37
yorkie_chris Noisy Git Mega Poster Join Date: Apr 2007 Location: Halifax/Leeds Posts: 26,645	Re: Frozen peas If you're using compressed air on a fuel tank, there are 2 dangers. 1) air and petrol fumes can go BANG 2) air in a tank has a lot of energy, so if the tank split then it could hurt, a lot. So, you fill the tank with water before you seal it and admit the compressed air, the water displaces all the fumes out of the tank, and being incompressible if the tank was to split then it just spurts out instead of explosively releasing. __________________ Currently Ex Biker Now rebuilding a 63' fishing trawler as a dive boat

09-12-07, 05:37 PM	#38
Keith1983 Guest Posts: n/a	Re: Frozen peas I have a novel idea. Why not put several cans of shaving foam in the freezer. After they have frozen cut the end of the can off and voila, frozen foam. Get this in the tank and seal it. As the foam melts it will expand and bingo! Im sure someone on here who is more scientifically minded than myself will come up with a million reasons why this is a bad idea but just adding my two pence worth!

09-12-07, 05:38 PM	#39
phil24_7 Member Mega Poster Join Date: Jan 2007 Location: Plymouth, England Posts: 3,787	Re: Frozen peas Ooh, interesting. How would one go about pressurising a fuel tank and I thought fuel tanks were double skinned so it would only push out large dents that had dented the inner skin?? __________________ Phil I'm not here for a long time, I'm here for a good time! Blue SV650 K3, GSX-R K5 front end, TL1000S clip-ons, lower fairings, seat cowl, gel seat, Pyramid undertray, R&G crash bungs, stainless steel bar ends, full titanium Akrapovic exhaust, Power Commander, clear rear light, flush mount front indys, mini rear indys, Autocom 300 duo intercom, Acumen cat 1 alarm and Micheline Pilot Power 2ct's.

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