Algae oil.

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adciv
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Re: Algae oil.

Post by adciv » Wed Apr 09, 2008 10:35 pm

add to that the fact that the materials that the modern car would be made out of would be significantly lighter than the steel's used in the 1920's and we've already got a car that can run on diesel at a fuel economy of at least 30-32 (again a guess)mpg and meet the EPA required emissions standards.
Wrong. Cars today are significantly heavier than the cars of the 1920's. The Model-T weighed 1200lb, my car today weighs 3150lb. Unless you want to make a duplicate of the model T,which has no seatbelts, AC or a variety of other things.
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Re: Algae oil.

Post by Deacon » Wed Apr 09, 2008 11:20 pm

Additionally, you're assuming that the diesel would burn as thoroughly and cleanly and as hot as kerosene, etc. Diesel ships aren't using diesel to make steam but to drive shafts.
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Re: Algae oil.

Post by Deacon » Thu Apr 10, 2008 2:23 am

Did you know that salt water burns?
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Re: Algae oil.

Post by naval_aviator_2040 » Thu Apr 10, 2008 8:28 am

adciv wrote:
add to that the fact that the materials that the modern car would be made out of would be significantly lighter than the steel's used in the 1920's and we've already got a car that can run on diesel at a fuel economy of at least 30-32 (again a guess)mpg and meet the EPA required emissions standards.
Wrong. Cars today are significantly heavier than the cars of the 1920's. The Model-T weighed 1200lb, my car today weighs 3150lb. Unless you want to make a duplicate of the model T,which has no seatbelts, AC or a variety of other things.
point conceded, i'll take you at your word that cars today are heavier today
Deacon wrote:Additionally, you're assuming that the diesel would burn as thoroughly and cleanly and as hot as kerosene, etc. Diesel ships aren't using diesel to make steam but to drive shafts.
in a steam boiler the differences are much smaller than in internal combustion engines simply because the fuel is allowed to stay in the combustion chamber for a longer period of time, therefore being allowed to burn more completely.

as for the diesel ships not using steam, I'm pretty sure that the 565 ft bulk freighter that I've been doing maintainence on as part of my schooling, taken academic classes on board that SPECIFICALLY dealt with steam power plant operation, shipped out on for two months (i have two more two month training cruises to go until i have enough sea time to qualify as a ship's engineering officer), and is currently sitting at a pier not 300yards from my window uses diesel to make steam.


and yes the burning salt water thing is very cool
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Beware of the Leopard
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Re: Algae oil.

Post by Beware of the Leopard » Thu Apr 10, 2008 12:43 pm

Deacon wrote:BotL, you don't think train companies and those companies that buy and run trains wouldn't be be looking into it if it were really better? You think nobody has done any research on it in the last 50 years?
No. Once a technology is replaced, a solid assumption of inferiority is built around it. Do we know that efficiency is why trains switched to diesel, or could it have been horsepower? Steam also brings to mind a soot emitting smokestack. It's easily dismissed as we have thoroughly demonstrated. Anyways, I'm sure that research would be better spent on electric.
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Re: Algae oil.

Post by adciv » Thu Apr 10, 2008 3:27 pm

Diesel trains today ARE electric. They use diesel to make electricity which then drive huge electric motors. The main reason being that electric motors have full torque at zero RPM. It's also more fuel efficient than a straight diesel.

The conversion to Diesel was that it didn't take a week to warm up the boiler. A diesel could make a 40 mile roundtrip from a cold start while the steam engine was still warming up.
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Re: Algae oil.

Post by Deacon » Thu Apr 10, 2008 5:12 pm

Naval, are you saying that the ship your on currently uses diesel engines to create heat to make steam to drive the props?
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Re: Algae oil.

Post by naval_aviator_2040 » Thu Apr 10, 2008 7:38 pm

looking back at that post i realize how you would've gotten that impression, sorry i wasn't clear enough. Note to self, never make posts after standing a midnight to four AM security watch. I thought you ment that the only ships that used diesel fuel at all only ever used them for internal combustion engines. I appologize.

Now just to be absolutely sure that I'm clear on this. My school's ship uses diesel fuel by pumping at a high pressure through a nozzle into a boiler. the nozzle atomises the fuel and it ignites. thats how we use diesel to make steam
i don't hate everyone equally, there are levels. but none of them are the traditionally thought of standards for predjudice. its not based on race, religion, gender, or sexual orientation its based on how much the person annoys me personally. i count you as a friend since you annoy me very little. brittney spears is an enemy because even though i don't know her/care about her at all she still finds a way to annoy me every time i turn on the tv

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Re: Algae oil.

Post by Beware of the Leopard » Thu Apr 10, 2008 8:48 pm

No, diesel is the name of the type of fuel and the type of engine that runs it. Context clues were enough.

Someone's trying to go for the easy flame. Shame on you. You have a reputation to defend, you know. :P
"I think all right-thinking people in this country are sick and tired of being told that ordinary decent people are fed up in this country with being sick and tired. I'm certainly not, and I'm sick and tired of being told that I am."

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