You’ll be gluing these screws in place with a mixture of baking soda and crazy glue. This stuff hardens real quick and a lot of people use it for quick repairs and filling in tiny holes in stuff. Place the screw in the hole and add a little bit of crazy glue. Next add a little bit of baking soda and with your finger squeeze and compact the baking soda into the hole. Dbf Report Writer Ware Registry here. The mixture should harden almost instantly. Blow the excess powder out and repeat the process until the pocket is filled.

If you overfill, don’t worry, file the rest of the excess off so that the mixture is even with the actual ear surface. The Inner ear. I actually only attach this ear with the lower hole and the hole where the stalk goes through. If youll be running a servo for your stalk, I suggest adding another hole and screw on the upper part of the ear. Take the inner ear and drill through the urethane.

On the back of the ear, use a countersink bit and add them to the holes so the 4-40 head can sit flush. Now, place the screws inside the ear and attach the nuts. The nuts will align with the outer ear cap and the out ear cap will press right in.. Next drill out the holes on the helmet body for the mounting screws (long 4-40 screws). Once that’s drilled, place the inner ear on helmet and attach the screws on the bottom.