The Joystick Builder
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* Pushbuttons

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Hardware
* Pushbuttons

This section details the materials needed and process to mount the pushbuttons to the plexiglass and base.


Materials Needed:
  • A Power Drill
  • Drill Bit- Skinnier sized
  • Plexi-Glass (w/ template of layout)- Taken from steps in the Base section.
  • 15/16" Wood spade- Used with the Power Drill to make a hole in the base to accomodate the stick.
  • 1 1/8" Wood spade- Used with the Power Drill to make a hole to hold the pushbuttons.
  • Pushbuttons- In this case, the pushbuttons that come with the VF4 set from Sanwa is used (OSBF-30.)
  • Xacto Knife - ... or hobby knife.

Pushbutton Background

The pushbutton are made up of three major parts- the housing, the top, and the switch.

The housing holds the top and switch in place. It also has a mounting clip, which "grabs" material, in this case plexiglass up to 3/16" thick. This is the reason the plexiglass thickness should be limited to 1/8".

The top is the part you actually push on while playing.

Lastly, the switch, again, being Sanwa OSBF-30 is not a miro-switch, but actually just a regular momentary switch (non-clicky). These switches have terminal sizes of 110, so buy receptacles that are the correct size. The "30" in the Sanwa part number- "OSBF-30" is the standard size found on Jamma Japanese arcade cabinets. A "24" would indicate a smaller size, while "40" would indicate a bigger size.


Steps:
  1. Take the plexiglass with the template still taped to the underside of it (from the Base/Interior section) and drill the the rest of the pilot holes for the pushbuttons.

  2. Now use the 15/16" wood spade to cut a hole in the plexi for the opening of the joystick.

    When using spades, use the spade to cut a hole in a phone book, then use the phonebook to rest the plexi on when you are cutting holes in the plexi.

  3. Use the 1 1/8" wood spade for the holes for the pushbuttons on the plexi. This size is best for the OSBF-30 size pushbuttons. This really should be a 1 3/16" spade, but I have yet to find one of this size. A 1 1/4" spade will be too wide. The hole created by the 1 1/8 spade will be a littel too small, so use the backside of an x-acto or hobby knife to score off the excess plexi. This will take about 5 minutes of scoring per button, so be patient.

  4. Don't forget to cut the holes for your start and/or select buttons. Use the 15/16" spade for "24" sized buttons that are mainly used for the start button on Jamma Japanese arcade cabinets.

  5. At this point, you are ready to mount the pushbuttons to the plexi, but first, make your underlay.

The final product: