[Dick Linn]

We once used an expanding polyurethane construction adhesive to make a flat mounting base for the old drill motors in the portable drill shell. Great stuff. PL brand Polyurethane Premium Construction adhesive in the yellow, red and black tube. They have several kinds, but this one is rated for all kinds of materials. I get it at Lowe's, I think. We didn't glue down the motor, just used the stuff as a bedding compound.