Referring to the photos below, glue balsa blocks in the proper locations desired for mounting your cowl or canopy. Drill an appropriately sized hole through the cowl and into the balsa block. Drill out the balsa block to accept a blind nut. Choose the appropriate size of screws and do not forget to use  spring washers and washers to prevent the screws becoming loose because of engine΄s  vibrations and to cover more surface on the cowl΄s sides.

    Include the screws tightness check in your pre and post- flight check list to make sure that all are properly fastened.