2 product(s) found for "18mm Model Rocket RMS EMKs"
18/20 EMK™ Model Rocket Experimental Motor Kit-Small Throat
This kit includes all parts needed to complete a 18/20 model rocket reload kit using your own propellant and delay grains (propellant and delay grains NOT included) : Nozzle cap P/N 04380 Molded nozzle w/0.064" throat P/N 01000 Aft o-ring P/N 00014 Paper liner P/N 02000 Forward/delay o-ring P/N 00111 Ejection charge cap P/N 04716 Use with 0.562" O.D....
$2.99
18/20 EMK™ Model Rocket Experimental Motor Kit-Large Throat
This kit includes all parts needed to complete a 18/20 model rocket reload kit using your own propellant and delay grains (propellant and delay grains NOT included) : Nozzle cap P/N 04380 Molded nozzle w/0.120" throat P/N 01050 Aft o-ring P/N 00014 Paper liner P/N 02000 Forward/delay o-ring P/N 00111 Ejection charge cap P/N 04716 Use with 0.562" O.D....
$2.99