06-05-2018, 05:04 PM
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Master Modeler
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Join Date: Feb 2009
Location: Auburn, Washington
Posts: 3,653
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Steve,
Your question got me to wondering myself. I just went though back issues of MRN here on YORP and the trifold shock cord mount is detailed in the same issue that also marks the first appearance of the Alpha. The starter set with the Alpha is on page 3, the shock cord mount in the "Idea Box" on page 5: http://www.oldrocketplans.com/mrn/m...3/MRN_V5_N3.pdf
This particular issue has credits of Publisher - Vern Estes and Editor - Bill Simon. Some earlier and later issues name Gene Street the illustrator. That's at least circumstantial corroboration for what Bill Simon told me about the mount.
Here are the illustrations from MRN V5 #3 and the first version of the Alpha instructions. Pretty durn similar.
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Bernard Cawley
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