Knob to play 720 Degree using a standard spinner and a MAME Emulator.  THIS UNIT USES A 40MM KNOB BASE.   It is for a 6mm shaft like used on SpinTrak Rotary Control.     Groovy Game Gear Turbo Twist and Tornado Spinner use a 1/4" shaft.    Let me know if you need me to bore the knob out for a 1/4" shaft and I can do that for you.   Do not try this yourself since the drill will typically pull straight through the knob.  

THESE KNOBS WILL COME WITH TWO FLAT WASHERS AND ONE SPRING WASHER.   IF YOU PUSH DOWN ONTO THE WASHERS WHEN TIGHTENING THE KNOB ONTO THE SHAFT, THE KNOB SHOULD HAVE ENOUGH FRICTION TO STAY IN POSITION WHEN RELEASED.   THAT IS WHAT THE CHAIN OF THE ORIGINAL CONTROLLER WAS FOR.   YOU DON'T HAVE TO USE, JUST TRYING TO GIVE OPTIONS.
*NOW WITH  HAND CANDY PREMIUM BALL (36.5MM )
  • ANOTHER OPTION IS TO GLUE ON OR BOLT ON A 3/4" WOOD PANEL BELOW WHERE YOU WILL WANT THE CONTROL KNOB.    BORE A 1-5/8" HOLE IN TOP ONE INCH DOWN AND THEN BORE THE REST WITH A 1-1/8" HOLE.    THIS IS ASSUMING USING A BUTTON HOLE TYPE SPINNER BELOW KNOB.   THEN THE TOP OF THE KNOB WILL BE CLOSE TO FLUSH WITH THE PANEL LOOKING MUCH MORE LIKE THE ORIGINAL.    SEE SECOND TO LAST IMAGE TO GIVE YOU AN IDEA.    
  • ONE OF MY CUSTOMERS PROVIDED THE LAST  IMAGE AND ADDED THIS TO HIS REVIEW:  Such an awesome controller! Works perfectly! Can finally play 720correctly!
  • 720 DEGREE ARCADE CONTROLLER KNOB FOR ALTERNATE SPINNER (#165178325577)
ALSO CHECK OUT MY FRONT LINE ROTARY SWITCHES.   FRONT LINE IS USUALLY NOT PLAYABLE SINCE YOU NEED THIS SPECIAL SWITCH.   I HAVE A BUTTON HOLE VERSION THAT DOES NOT TAKE UP MUCH SPACE.    FRONT LINE IS RATED NUMBER SIX ON THE TOP 100 GAMES LISTED ON THE INTERNATIONAL ARCADE MUSEUM SITE.

720 Degree Knob Position Control

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