Hours are 9am to 6PM PST Monday through Friday for phone calls. Please leave a message if I do not answer. Texts can be sent anytime and I will respond as soon as I am able to. Thank you!
The 38mm internal 1/4" motor retainer is used for both minimum diameter rockets as well as general motor retention for any rocket motor that has a Loki forward closure with a 1/4 threaded end.
The 38mm internal 5/16" motor retainer is used for both minimum diameter rockets as well as general motor retention for any rocket motor that has an Aerotech forward closure with a 5/16 threaded end.