Through the technology of long-stroke pistons, these behemoths--both breakbarrels and underlevers--generate as much as 30 foot-pounds
through sheer physics.
In reality, though, a 12 foot-pound
rifle shoots even slower, because to be legal in the UK, the gun cannot exceed 12 foot-pounds
with any pellet.
Offering 95,000 pounds of thrust/pullback, 15,000 foot-pounds
of rotary torque and powered by a 375 hp diesel engine, the rack-and-pinion drive machine takes trenchless pipe construction to a new level.
Let's look at some actual KE or foot-pound
1 inches low at 500 yards, where it maintains almost 1,700 foot-pounds
It can be used to break concrete, asphalt, and rock, and it can compact backfill, with adjustable impact up to 13,000 foot-pounds
However, if you plan to hunt black bears, you could easily get by with 50 foot-pounds
of kinetic energy, since bears are fairly easy to penetrate.
On the directional drill side, the company's HDR-160 features 160,000 pounds of thrust/pullback and can provide more than 29,000 foot-pounds
of rotary torque.
The Quiet Trap may be used with any airgun generating less than 20 foot-pounds
of energy at the standard 10 meters.
Designed for rear-drive and awd layouts, and capable of handling up to 442 foot-pounds
of torque, the transmission will enter production in late 2002, says Dr.
The 185-horsepower and 300 foot-pounds
of torque motivates more than 2 tons of rolling mass, and k tows up to 7,000 pounds.