= NOW 5 WPM = TEXT IS FROM MARCH 2021 QST PAGE 31 = TO KEEP THE ELEMENT SPACING CORRECT, CUT THE HEADS OFF THE NYLON SCREWS AND INSTALL TWO NUTS ON EACH THREADED SHANK. THE SPACING BETWEEN THE NUTS CAN BE ADJUSTED TO ACHIEVE THE NECESSARY GAP DIMENSION SEE FIGURE 2. THE < QST DE W1AW = LEFTOVER SCREW ENDS FIT INTO THE COPPER TUBING AND GIVE SOME ADDITIONAL SUPPORT. SOME CLEAR ELECTRICAL GRADE SILICON CAULK KEEPS THE NUTS IN = END OF 5 WPM TEXT = QST DE W1AW <