J315 Motor J315R Diameter 54mm Burn Time 2.42 seconds Average Thrust 315 Ns (70.81 lb-s) Total Impulse 763.3 Ns (171.6 lb-s) Motor Type Reload Motor data provided by ThrustCurve.orgTo convert Newtons to Pounds, divide by 4.448 Motor Data: ALT4 RASP CompuRoc RockSim J315 REDLINE RELOAD Redline‰ã¢ (R) Distinctly different from its propellant relatives, Redline provides unique visual and thrust characteristics for larger airframes and performance oriented flyers. The proprietary AeroTech formulation imparts Redline with its signature vivid scarlet flame. Redline‰۪s burning rate lies midway between that of White Lightning and Blue Thunder. Photos don't do justice to the "laser-beam" intensity and color of Redline‰Û_ you have to see it to appreciate it!