I have a quote from the original manufacturer of the parallel wound BT-30's (after Gleda, that is.) The order is pending a sample of an original tube to match the paper. They do not still have those records, but know they did make them for a short time.

If anyone can supply a small piece of an original BT-30, I can not promise to get it back, but I can provide many newer replacements.

We are working on an exact replica of the original Scout that was packaged in engine mailing tubes in the earliest days of Estes for Vern and Gleda to hand out at the next NARAM to commemorate their 50th anniversary in model rockets.

__________________
Carl McLawhorn
NAR#4717 L2
semroc.com