Windshield Panel

The fastening methods alternatives for the windshield are aimed to be removable, efficient installation, and cost-effective.

Surrounding panels: Roof panel, hood, side panel (driver’s side and passenger side) and bulkheads?

Also see: Windshield Fastening

Captive Panel Screw

1. Quarter-Turn Capacitive Panel Screw

• Rivet-mount nut and Quarter turn screw

• Zinc-plated steel and corrosion resistant

• Cost: ~$3/each

https://www.mcmaster.com/quarter-turn-fasteners/rounded-head-quarter-turn-captive-panel-screws-with-rivet-mount-nut/

https://www.mcmaster.com/quarter-turn-fasteners/rounded-head-quarter-turn-captive-panel-screws-with-clip-on-nut/ → Applicable to larger panel thickness range

(Quarter-Turn Fastener in-use is similar to: https://www.youtube.com/watch?v=EnNuQW5P9cs @15:18 min)

Sizing for Dzus Fasteners:

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(Image link: https://static.speedwaymotors.com/images/charts/Measuring_Guide.jpg)

Fastening hood + windshield for example, has a combined thickness of 12 mm = 0.47 inches, thus a dzus fastener with 0.6 inch + button length would be appropriate

Quarter-turn fasteners: https://www.speedwaymotors.com/Steel-Oval-Head-Quarter-Turn-Fasteners-600-Inch-Grip-Pack-10,29397.html

0.700 inch grip Dzus fasteners: https://www.speedwaymotors.com/Self-Ejecting-Quarter-Turn-Fasteners-700-Inch-Grip-Pack-10,29647.html

https://timmcamis.com/shop/chassis/dzus-fasteners.html

1. Twist-to-Lock Press-Fit Capacitive Panel

• Pull knob and rotate 90 degrees to lock

• Zinc-plated steel and corrosion resistant

• Cost: ~5.42/each

https://www.mcmaster.com/quarter-turn-fasteners/twist-to-lock-press-fit-captive-panel-retractable-spring-plungers/

Quick-Release Pins

• Zinc-plated, mild corrosion resistance and Flat-head

• Sizes diameter: 3/16”, 1/4”, 5/16”, 3/8”, 1/2”

• Cost: ~$10 / 10 pieces

https://www.mcmaster.com/pins/flat-head-quick-release-pins/

https://www.mcmaster.com/pins/add-a-handle-quick-release-pins/

Rivet Nut + Screw

Steel Twist Rivet Nut: https://www.mcmaster.com/rivet-nuts/steel-twist-resistant-rivet-nuts/

• Thread size: 1/2”-13, body diameter: 0.685”, body length: 1.450”

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Flat-head screw: https://www.mcmaster.com/screws/flat-head-screws/vibration-resistant-flat-head-screws/

• Thread size: 1/2”-13, length: 1.25”

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Front Bridge Panel thickness: 6.5 mm

Windshield thickness: 6 mm

Hood flange thickness: 6 mm

Front bridge & windshield combined thickness: 12.5 mm = 0.49 inches

Hood flange & windshield combined thickness: 12 mm = 0.47 inches

Dzus Fastener grip length = combined panel thickness + spring height (ranges from 0.15” to 0.175”)

Max grip length required = 0.49” + 0.175” = 0.665”

Min grip length required = 0.47” + 0.15” = 0.62”

Windshield Mounting Methods & Locations

Table 2: Proposed Mounting Locations & Method for the Windshield Panel