‰  NOW 25 WPM  ‰  TEXT IS FROM JUNE 2015  QST  PAGE 67 ‰

KEYPAD MAKES CONTEST OPERATION A PLEASURE.  ACCESSING MEMORIES FROM IT IS
SO MUCH EASIER THAN PUSHING BUTTONS ON THE FRONT PANEL.  THE COST OF THE
KEYPAD IS NEARLY NOTHING IF YOU CAN FIND AN OLD MOUSE, AND IT IS A GREAT
PROJECT FOR A RAINY AFTERNOON AS IT CAN BE BUILT IN A FEW HOURS.  POTATO
GUN LINE CONTROLLER  AFTER BUILDING A PNEUMATIC TENNIS BALL ANTENNA
LAUNCHER, I QUICKLY DISCOVERED THAT FEEDING THE INITIAL LINE AT HIGH
VELOCITY WITHOUT TANGLING IS A PROBLEM.  RETRIEVING AND REWINDING THE LINE
CAN ALSO BE TROUBLESOME.  THIS SIMPLE LINE FEED ADAPTER PROVIDES AN
INEXPENSIVE SOLUTION TO BOTH PROBLEMS.  THE BASIS IS A HEAVY PLASTIC 5 INCH
FLOWERPOT FOUND IN YOUR LOCAL GARDEN STORE.  ITS ABOUT 1/4 INCH THICK, HAS
SMOOTH, UNDECORATED SIDES, AND NO DRIP TRAY.  THE IMPORTANT DIMENSION IS
THE BASE DIAMETER, WHICH SHOULD BE AT LEAST AN INCH LARGER THAN THE
LAUNCHERS TUBE DIAMETER.  I USED 2 INCH PVC FOR MY LAUNCHER, SO A 5 INCH
‰  END OF 25 WPM TEXT  ‰  QST DE W1AW  ƒ