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Smoking next to an aircraft being refuelled.

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Smoking next to an aircraft being refuelled.

Old 23rd Sep 2019, 01:43
  #41 (permalink)  
 
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Originally Posted by The Ancient Geek
Hmm - Do you mean -40deg C or deg F ?
Both the same at -40
Hmmmm...I guess I meant deg C, since that's what I wrote.
But you are correct. Not much difference C to F at that temperature.
But I also mentioned "around" because, of course, it may vary slightly with gasoline type, brand (additives) and atmospheric pressure (and, hence, altitude).

A common mistake is to confuse flash point with auto ignition temperature. Very different.
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Old 23rd Sep 2019, 02:13
  #42 (permalink)  
 
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Pilots have long had to learn about mixture control – too rich or too lean the air/fuel mixture (vapor) will not burn, whether methane, gasoline, diesel, avtur or other hydrocarbon mixture.
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Old 23rd Sep 2019, 09:15
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Those of us old enough to remember Alan Bodger will probably recall Lord Brabazonís TV appearance
demonstrating why it was not a good idea for commercial airlines to fuel up with JP4. That was/is a 50/50
mix of gasoline and kerosene I believe. Brabazon was was head of the ARB at the time, but apparently it
was beyond his powers to ban the stuff. The whole thing was debated in Parliament and anyone interested
can read his epic speech in Hansard for 01 February 1961. Sorry, I canít post the link, but check it out for
history in the making.
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Old 23rd Sep 2019, 13:23
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Sorry, I canít post the link, but check it out for history in the making.
Yer tiz......
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Old 23rd Sep 2019, 17:40
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I recall a fire fighting demo during basic training at RAF Halton where a match was thrown into a tray of Jet A1 & much to everyones surprise the match was extinguished by the fuel
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Old 23rd Sep 2019, 18:15
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Originally Posted by MapleTopGun
I recall a fire fighting demo during basic training at RAF Halton where a match was thrown into a tray of Jet A1 & much to everyones surprise the match was extinguished by the fuel
A similar test of the flammability theory was carried out one day at Celle c/o two intrepid members of the A.A.C.

Unfortunately, the drip tray was located underneath a Scout at the time..... the Scout subsequently had some nice shiny new skin and other bits of airframe.

We got the impression the Army were " not too happy " about this spontaneous demonstration .....
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Old 23rd Sep 2019, 19:29
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Originally Posted by Krystal n chips
A similar test of the flammability theory was carried out one day at Celle c/o two intrepid members of the A.A.C.

Unfortunately, the drip tray was located underneath a Scout at the time..... the Scout subsequently had some nice shiny new skin and other bits of airframe.

We got the impression the Army were " not too happy " about this spontaneous demonstration .....
are we talking about a boy scout or a girl scout?
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Old 23rd Sep 2019, 22:59
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Thank you. (Proper job) Imagine even the possibility of a similar debate today. Informed, non-political, polite discussion taking place in our Upper House. I actually saw the BBC piece at the time which made a great impression on youth setting off in aviation.
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Old 24th Sep 2019, 11:04
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Originally Posted by clark y
What about electrical bonding leads?
Yes , they may be safely smoked while refueling .
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