Triplecore rocket for 18mm engiens

Small triplecore modellrocket for 18mm modelrocketengiens. 1 or 3 engiens can be used to launch it. There is also a 9mm launchrail zylinder on the side of the rocket. It was tested with three engiens and reached an apogee of 980m with a maximum speed of Mach 0.9, have fun using it.