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Originally posted by Griff
Originally posted by Insolubrious
Ok well, I guess you never heard of thermite fires caused by drilling? These can be brought about simply by drilling a rusty surface with aluminum drill tips. Good construction workers should know this and have to be careful drilling rusty metal surfaces as to not cause a thermite fire.
No I haven't. Have a source? All I can find on the net is someone stating it in a thread. Not here.
Edit: I'm not discounting you just am curious if this is true.
Light metals and their alloys have an affinity for
oxygen and when they are brought into close contact
with oxygen bearing material, such as iron oxide
(rust) in the presence of moderate heat, then a
chemical reaction occurs, called a thermite reaction
[1].
- This thermite reaction can generate
temperatures over 2000°C.
- The heat necessary to start the thermite reaction
can be generated from frictional contact or from
merely a glancing blow.
- A similar reaction can also be produced if either
a smear of light metal is left on a rusty surface
and is then struck with a glancing blow or
where a rusty metal object strikes a surface
coated with aluminum paint.
- Aluminum foils, widely used for cooking and
wrapping candies and cigarettes will also
produce a thermite reaction if laid over rusty
metal and struck a glancing blow.
- Aluminum pop cans and lunch boxes can also
potentially produce a thermite reaction if they
come into contact with rusty steel.
In flammable and explosive environments, sparks have to be eliminated for reliable operation and safety.^Thermite sparking is a comparatively rare phenomenon which produces a relatively hotter spark than friction sparking.^It involves aluminum alloys and rusted steel.^This paper reviews and compares the mechanism of generating thermal and friction sparks and assesses the risks from thermite sparking.^Various methods which can abolish this hazard are illustrated.^The work reflects the findings of 200 publications.^The methods of thermite spark suppression in this paper apply to all aluminum structures in drilling and production platforms.
Originally posted by Long Lance
Light metals and their alloys have an affinity for
oxygen and when they are brought into close contact
with oxygen bearing material, such as iron oxide
(rust) in the presence of moderate heat, then a
chemical reaction occurs, called a thermite reaction
[1].
- This thermite reaction can generate
temperatures over 2000°C.
- The heat necessary to start the thermite reaction
can be generated from frictional contact or from
merely a glancing blow.
- A similar reaction can also be produced if either
a smear of light metal is left on a rusty surface
and is then struck with a glancing blow or
where a rusty metal object strikes a surface
coated with aluminum paint.
- Aluminum foils, widely used for cooking and
wrapping candies and cigarettes will also
produce a thermite reaction if laid over rusty
metal and struck a glancing blow.
- Aluminum pop cans and lunch boxes can also
potentially produce a thermite reaction if they
come into contact with rusty steel.
Originally posted by ThichHeaded
I didnt say there was no plane, I said that isnt where the plane hit. Re read my original post above.. I think you mis understood me.
Originally posted by Insolubrious
Also its quite feasible to think the thermite had poured/trickled into this section.
Originally posted by LeftBehind
What positive evidence exists for the use of thermite?
Originally posted by LeftBehind
If that is thermite, then why is it spilling out the building instead of cutting through the floor?
Originally posted by LeftBehind
If that is thermite, then why is it spilling out the building instead of cutting through the floor?
Originally posted by Insolubrious
Doesn't this put C.D inc out of a job? Have we being going about demolitions the wrong way?
Originally posted by Griff
Care to give the source for this. Because without that, I can't verify. You could have written that yourself.
Originally posted by Griff
I wish I knew how to post a video link showing the one part of 9/11 Mysteries. The one where they are going into the "squibs". It clearly shows squibs, explosions and sunlight reflection all in the same clip. Anyone want to help me out?
Bright explosive flashes observed in new video
video.google.com...
go to 06:05 to 06:08, only 3 seconds - watch VERY carefully.
You should be able to notice atleast 5 or 6 very quick flashes. The producer is not focusing on them at all but rather the squibs. Dont look at the squibs, look to the corners that are darker. Anyone else notice this?