From here: http://www.guardian.co.uk/environment/2 ... -pollutionConfidential data from maritime industry insiders based on engine size and the quality of fuel typically used by ships and cars shows that just 15 of the world's biggest ships may now emit as much pollution as all the world's 760m cars. Low-grade ship bunker fuel (or fuel oil) has up to 2,000 times the sulphur content of diesel fuel used in US and European automobiles.
Leave cars alone and fix the boats first you ECO weenies
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Will Robinson
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Leave cars alone and fix the boats first you ECO weenies
that i know. No coolant does.
HERE Shurely you don't believe that all the seals are tight on those systems on most ships.
(raw water systems that is)
With outboard motors and \"smaller\" desiel engines the exhaust is expelled underwater. So you may not get tons of air emittions, but it doesn't do much for the water.
Now, let's talk about jets and trains.....
HERE Shurely you don't believe that all the seals are tight on those systems on most ships.
(raw water systems that is)With outboard motors and \"smaller\" desiel engines the exhaust is expelled underwater. So you may not get tons of air emittions, but it doesn't do much for the water.
Now, let's talk about jets and trains.....
Re:
I was just at the aquarium, and they had a display about jellies being transported sea-to-sea via ballast tanks & their populations going crazy.woodchip wrote:Duper you are thinking more I think that sea water is used for ballast. Read up on Zebra Mussels and what happened to the Great Lakes when ocean going tankers flushed their sea water ballast into the Great Lakes.
Also,
My sister lives in MN. They make a really big deal there about making sure you drain & clean the hull of your boat properly if you want to move it via land, to avoid transporting lake-life. I think there's some sort of plant life that's invading Minnesota lakes via boat hulls?
Mind if I take a crack at that…
Water is pumped thru a series of tubes and fins where the heat is exchanged with the air or water being forced around the tubes and fins.
What does that have to do with water in the combustion chambers?
In fact an internal combustion engine can run with a certain amount of water getting into the chambers, just depends on how much is getting in. I had a car that had cracked head gaskets, and it did run.
Back in the old days, they used to sell water injectors for 2 & 4 cycle engines. (still might)
Now if it’s the salt that is the problem, I have never heard of that.
Water is pumped thru a series of tubes and fins where the heat is exchanged with the air or water being forced around the tubes and fins.
What does that have to do with water in the combustion chambers?
In fact an internal combustion engine can run with a certain amount of water getting into the chambers, just depends on how much is getting in. I had a car that had cracked head gaskets, and it did run.
Back in the old days, they used to sell water injectors for 2 & 4 cycle engines. (still might)
Now if it’s the salt that is the problem, I have never heard of that.
Duper posted:
\"remember that a lot of these ships also use the water they are sailing in as coolant. so not only do you have air pollution diesel being churned into the water.\"
To which Cord replied:
\"Duper, the sea water used for cooling never comes in contact with the insides of the cylinders. If it did, there would be no diesel combustion.\"
Do you see anything about water going into the combustion chamber in Dupers post? With a ocean full of water, you remove the radiator and simply circulate the water direct from the ocean. So easy a caveman like you Spidey could do it.
\"remember that a lot of these ships also use the water they are sailing in as coolant. so not only do you have air pollution diesel being churned into the water.\"
To which Cord replied:
\"Duper, the sea water used for cooling never comes in contact with the insides of the cylinders. If it did, there would be no diesel combustion.\"
Do you see anything about water going into the combustion chamber in Dupers post? With a ocean full of water, you remove the radiator and simply circulate the water direct from the ocean. So easy a caveman like you Spidey could do it.
Woodchip, if the water isn't going into the combustion chamber, then how is exhaust gases getting into the coolant? Are they venting the gases through the exhaust ala outboard technology? I don't believe it's done that way. Usually it's vented via exhaust stacks at the highest point on the ship.
Spidey, yes they did have water injection. But it usually was an alcohol/water mix, so the quantity of water being injected was relatively minute. Now you said you had a car that had bad head gasket(s). Yes your car ran, but I bet not on all cylinders. The one(s) that had coolant leaking into them were not producing any power, just white fog. So yes a car can run with blown head gaskets.
Spidey, yes they did have water injection. But it usually was an alcohol/water mix, so the quantity of water being injected was relatively minute. Now you said you had a car that had bad head gasket(s). Yes your car ran, but I bet not on all cylinders. The one(s) that had coolant leaking into them were not producing any power, just white fog. So yes a car can run with blown head gaskets.
Don't be so openminded that your brains fall out.