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Non-Cattle Specific Topics
Coffee Shop
diesel safety
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<blockquote data-quote="greybeard" data-source="post: 1430405" data-attributes="member: 18945"><p>It would 'seem', that diesel and kerosene type fuels would be hard to ignite because they don't vaporize at atmospheric pressure easily, but it's not always exactly true. Flowing diesel and other fuels, like JP5 can ignite from static discharge. </p><p>120deg? Thats still pretty low considering the other things you have to consider.</p><p>I guess it depends how hot the accumulated static spark is. Filling a 5 gal container doesn't allow for a lot of static </p><p> accumulation (time is a parameter) but filling a bigger tank presents a bigger danger, due to the increased amount of time the fluid is flowing. </p><p>JP5 has a flash point of around 140 degF and it certainly will ignite from static discharge. I saw a CH46 partially burn up in the refuel area of MMAF when the crewman disconnected the grounding cable before disengaging the twist lock fuel connection. Supposed to leave the ground wire connected until after the line is disconnected and stowed.</p></blockquote><p></p>
[QUOTE="greybeard, post: 1430405, member: 18945"] It would 'seem', that diesel and kerosene type fuels would be hard to ignite because they don't vaporize at atmospheric pressure easily, but it's not always exactly true. Flowing diesel and other fuels, like JP5 can ignite from static discharge. 120deg? Thats still pretty low considering the other things you have to consider. I guess it depends how hot the accumulated static spark is. Filling a 5 gal container doesn't allow for a lot of static accumulation (time is a parameter) but filling a bigger tank presents a bigger danger, due to the increased amount of time the fluid is flowing. JP5 has a flash point of around 140 degF and it certainly will ignite from static discharge. I saw a CH46 partially burn up in the refuel area of MMAF when the crewman disconnected the grounding cable before disengaging the twist lock fuel connection. Supposed to leave the ground wire connected until after the line is disconnected and stowed. [/QUOTE]
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