I always read about hardening up a card shroud with CA glue.
It's always implied to cover the outside of the shroud with glue after it is glued in position.
I prefer to apply the CA to the inside of the shroud with a Q-Tip before it is glued on.
But, keep the CA away from the edges where it will be white glued to the coupler and body tube.
The engine block was made by cutting off 1/4" from an expended casing with a razor saw.
After dry sliding it into position with a full length casing, a glue fillet was applied from the top, a drop at time transferred off the end of a rounded dowel. The dowel was then used to smooth the fillet and remove any excess glue.
The shrouds were dry fitted before gluing into the lower BT-60 tube.
With 1/4" between the two shrouds, my assembly didn't look like the one drawn on the plans. I only had about 1/16" of BT-20 extending out the top of the centering ring.
While the instructions have you glue up the mount and both shrouds before gluing into the BT-60, I'll concentrate on the short shroud first and it's fit against the BT-60 main body.
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