However, an improved laser system is devised to measure missile speed in ballistic impact experiments (Starratt et al. 2000).
In addition, it also had the advantages of greater missile speed (because of the greater force propelling the arrow) and greater precision and accuracy, in part due to the greater speed.
Two CarbonFlex design groups successfully passed the high-debris impact tests at a missile speed of 44.7 m/s (100 mph), corresponding to a ground wind speed tornado of 111.7 m/s (250 mph) while the two other CarbonFlex wall panel designs passed tests at missile speeds of 40.2 m/s (90 mph), corresponding to ground wind speed tornados of 89.4 m/s (200 mph).
Another disadvantage of this guidance method is that the missile speed must be considerably greater than that of the target.
Thus, missile energy dissipation is influenced by factors such as; fiber type, fabric structure, missile geometry, speed of impact, friction between missile and fabric and friction of yarns and fibers in the fabric.
Although the designed guidance laws are developed for the constant speed missiles, the simulation results for the time-varying speed missiles are also shown to further confirm the designed guidance laws.
During Mr. Ashcroft's appearance today, Democrats pressed him to give greater scrutiny to such terrorist threats as chemical weapons and shoulder-launched missiles and to speed the F.B.I.'s overhaul of its computer system -- a critical shortcoming in the bureau's failure to pick up on intelligence warnings before Sept. 11.
The issue of missile manoeuvres becoming more difficult towards the end of the chase is obviously critical for flight pursuit, not least because airborne predators (or missiles) cannot reduce speed without losing lift, with all the stability and turn radii complications that this engenders.
"At most, missile defense might speed up their program slightly, or prompt them to build a few more missiles," one official insisted.
The story said that certain changes to human anatomy "enabled our early relatives to throw missiles at incredible speeds".
