The finger tab was cut off and the engine hook flipped over.
A subtle curve was bent down the length of the hook for better motor retention.
The upper centering ring got a small punch for the added Kevlar line.
The upper ring was slid on just over the upper bend of the hook for strength.
The rest of the mount was assembled as shown in the instructions.
A 1/16" diameter heat shrink tube was slid down the Kevlar line and against the top of the upper centering ring.
Thanks go to Rick Randoll of NewWay Space Models for this Kevlar heat protection idea.
A heat gun on low setting shrinks the tube around the Kevlar line.
The inset picture shows the Kevlar line below the base of the lower ring, set into the glue fillet.
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