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Bertram31.com General Bulletin Board
Re: Another angle on ethanol
Posted By: Charlie Haws In Response To: Re: Another angle on ethanol *LINK* (Peter)
Date: Sunday, 19 March 2006, at 6:04 p.m.
E95 is denatured ethanol. First they make ethanol and then they add 5% gasoline to denature it. Why? If they left it straight ethanol the Ferdeal Govt. would call it gin and want their tax. Now they take the E95 and blend it with gasoline to make E10. They can't pump gasoline containing ethanol through the pipline system in the US because the same pipes are used to pump all kinds of product. The ethanol would clean the plumbing all to well. Water is often used to seperate product. Some of you may know I sell analytical equipment and have a degree in chemistry. I really have to laugh at all the crap I see in those forms being passed as fact. When the add the gasoline to Etoh now they have to test it for MTBE as that stuff is band in some states. You can not run a current production marine diesel on E95 period.
When we talk about aluminum tanks and EtOH cutting through them like a "hot knife through butter" as I read in a forum the other day, you have to ask a question. What grade aluminum was used? There are many different grades and the better marine grades are expensive. I am sure lots of tanks are made of cheap "soft" aluminum. Cheap boats equal cheap componets. You buy price and you get a cheap tank. All aluminum is not created equal. Take a deep breath Harv. The tank Brookhaven tested had failed. Oh by the way the data I saw from Brookhaven posed more questions than it answered for me. It was not definitive by a long shot. Maybe someone needs to test the fuel in some tanks that have not failed. We all know Bertram used different polyester and gelcoat formulations over the years. They also used different grades of gelcoat in the normal building process of a single boat. Some tanks appear to be gelcoated some do not. Bertram added fire retardents to some tank production. This may a source of some of the failures? Unifilte had quite a problem when they added fire retardents to their gunboat hulls. Blisters big time. Sometimes the wrong stuff got used for hulls when it was supposed to be used for interior componets. Stuff happens in normal production. Time and research will tell the whole story. Not posts on boating froums.
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