View Single Post
  #46  
Old 12-21-2017, 10:01 AM
stefanj stefanj is offline
Master Modeler
 
Join Date: Mar 2005
Location: Hillsboro, OR
Posts: 2,847
Default

I remember being mystified by references to the BT-40 in Estes literature I read in the early 70s. How could a whole body tube GO AWAY?

Later read all about it in scanned catalogs. The BT-40 was convolute-wound, like the BT-30. There was another, shorter plastic cone available for it, as well as balsa cones, bulkheads, and payload sections.

VERY early catalogs referred to BT-1, BT-2, and BT-3. I don't recall the mapping.
__________________
NAR #27085 - Oregon Rocketry - SAM
Reply With Quote