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Originally posted by microcosm
theres enough surveillance equipment fitted into that truck to give James Bond a wet dream, and all you can think about is the physical limitations of the truck itself... I guess the glass is ALWAYS half empty to you guys...
If it was a joke my Humor must be turned off this evening... then again its 2:49 AM, it's hard to find anything funny right now.
I mean seriously... an F/A 22 Raptor can be taken out with scissors if you think about it... just need to clip the right set wires/cables, and it's not going anywhere... try to focus more on the abilities of the aircraft (or in this case the truck...) not the freakin muffler. Whens the last time you've seen a pickup truck with it's own wireless network, lol...
Acoustic sounds - PDF
Here it may be appropriate to take a short look at Broner’s rough estimate for a deadly infrasound weapon mentioned in subsection 1.2.95 He used a too low value of 6 to 10 kPa for lung rupture (see 2.5 below) and assumed non-directional propagation. Achieving this sound pressure on a sphere of 250 m radius means a total power—according to eqs. (A-6) and (A-7)—of 2@1011 W, about 1000 times the sound power of a Saturn V rocket at launch. Even if this value could in principle be reduced by orders of magnitude by using a directed source, for infrasound wavelengths (e.g., =34 m at =10 Hz) its diameter would have to be unrealistically large, e.g., many hundreds of meters according to (A-13). Non-linear effects would have to be included, but the basic qualitative result remains valid (and holds similarly also for lower infrasound pressures for lesser effects) (see 5.1.1 below).
22.214.171.124 Other Effects
Several other effects were observed during exposure to intense low-frequency (30 to 100 Hz) sound at levels around 150 dB. Among these were increased pulse rates, cutaneous flushing, salivation, and pain on swallowing. Two subjects suffered from transient headache, and one of these also from testicular aching. The visual field vibrated and acuity was reduced. Speech sounds were modulated, but there was no significant decrease in intelligibility. Subjects showed marked fatigue after exposure. Brief infrasound had no effect on visual acuity, on the other hand. Also, motor tasks and speech production were not influenced.
2.2.4 Vibration Considerations
It is sometimes maintained that infrasound sets organs in motion similarly to external vibration applied to the body. Whereas there are similarities, there are also important differences.
126.96.36.199 Effects of Whole-Body Vibration
For vertical vibratory excitation of a standing or sitting human body, below 2 Hz the body moves as a whole. Above, amplification by resonances occurs with frequencies depending on body parts, individuals, and posture. A main resonance is at about 5 Hz where the greatest discomfort is caused; sometimes the head moves strongest at about 4 Hz. The voice may warble at 10 to 20 Hz, and eye resonances within the head may be responsible for blurred vision between.