The Kansas Organization for Spacemodeling (KOSMO) is a group of families and individuals in Kansas that have a common interest in model rocketry. KOSMO is a chartered Section of the National Association of Rocketry (NAR).

SpringFest Featuring Large Rocket Spot Landing Competition

Posted: Feb 15, 2025

The first launch of 2025 will be SpringFest near Ellinwood, KS. This is one of our high power launches for the year. This year's SpringFest will include a spot landing competition open to any rocket using a G or higher impulse motor. The rocket that lands closes to a pre-determined spot will win. The contest will be open throughout the day and you may make as many attempts as you wish to land a G or higher impulse rocket closest to the spot.

2025 Launch Schedule and KRAMO Details Posted

Posted: Feb 15, 2025

The launch schedule for 2025 has been posted. See Launch Dates for all the details. That page also includes a calendar file that you can download and import into applications such as Google calendar.

The details of the 45th annual Kansas Rocket Areo Modeler's Open (KRAMO) have also been posted. See KRAMO for all the details. This year's contest events are a bit different. While this will be a National Rocketry Competition (NRC) sanctioned event, none of the NRC events are part of the official KRAMO events. The KRAMO events are intended to be more fun events.

2025 Launch Schedule Coming Soon

Posted: Jan 25, 2025

The KOSMO annual meeting will be taking place on Saturday, January 25th. This is when things like the 2025 launch schedule will be determined. Check back soon for updates.