I didn't have any engine hooks for the 3 3/4" long engines so one was made from windshield wiper blade metal.
Anytime you bend one, always check against an engine casing.
TIP: Sometimes you can make an easier fit of the rings by rounding off the inside edge with a burnisher. This prevents the edges of the ring from rolling back the end of the engine mount tube.
Before gluing on the rear ring, check to be sure the engine hook relief notch is deep enough to allow the engine to be slid in place.
The Kevlar was tied below the forward ring. It was slid down and away from the forward ring.
A glue fillet was applied to the upper ring and left to set up for a few minutes.
The Kevlar loop was pressed into the drying glue.
The 50mm body tube was too wide to be used in my Cutter tool.
TIP: I went "old school" and wrapped card stock around the tube.
This gave me a temporary straight edge to cut against.
Note there is tape at the back of the wrap so it won't slip while cutting.
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