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RATT K600

Manufacturer: R.A.T.T. Works
Entered: May 25, 2010
Last Updated: Jul 23, 2014
Mfr. Designation: K600TR-P  
Common Name: K600  
Motor Type: hybrid
Diameter: 64.0mm
Length: 90.8cm
Total Weight: 14410g
Prop. Weight: 2266g
Cert. Org.: Tripoli Rocketry Association, Inc.
Cert. Designation: K561 (70% K)
Cert. Date:  
Average Thrust: 561.0N
Maximum Thrust: 1223.0N
Total impulse: 2170.0Ns
Burn Time: 3.7s
Propellant Info: Tribrid: ABS/Alcohol/Nitrous
Availability: regular

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Motor Notes

Cert notes
These motors are called Tribrids, specifically for their ability to use both a nitrous oxide oxidizer, solid ABS grains, and now certified for the first time, liquid alcohol as fuels.

The K600TR-P is a 70% K motor, a slightly longer and different (larger bore) injector version of the K350TR-P motor. It has 2170 total NS, 1223 NS max, a 561 N average and a 3.67 second burn time. The thrust profile is again a typical hybrid profile, the initial rise to about 170 pounds for about .1 seconds, then a transition to the Tribrid phase (alcohol introduction) for a second rise to 250 pounds. From there it is straight line regressive to the 2.2 second point and 150 pounds, where it enters vapor phase, dropping to 50 pounds. It then does a typical hybrid tail-off to zero at the 4.6 second point. The motor total weight (pre nitrous) is 6.55 pounds with 370 ml alcohol (.82 lbs.), .21 lbs ABS grain weight, and 1476 cc of nitrous oxide capacity. Post weight is 5.52 lbs.

John Coker, updated May 25, 2010

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