I had to go look it up - this is some amazing technology. 3lbs gets you 125,000 RPMs with 36lbs of thrust on Jet fuel. $4200 bucks.

Wow.

http://www.jetcatusa.com/p160.html



Thrust: 36 lbs @ 125,000 RPM
Weight:3.1 LB
Diameter:4.4 inches
RPM Range:32,000 - 125,000 RPMExhaust gas temp.:650°C-750°C
Fuel consumption:17 oz per/min at full power
Fuel:Jet A1, 1-K kerosene
Lubrication:approximately 5% synthetic turbine oil in the fuel
Maintenance interval:25 hours