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*Bonding areas to be verified

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DRI

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Reviewers

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Isha Warikoo

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Kimberly Liu

Hood Panel

The fastening method alternatives for the hood panel are aimed to be permanent, efficient installation, and cost-effective.

Surrounding panels: Side panel (driver’s side and passenger side), headlights, bottom panel and bulkheads?

Epoxy Adhesive

  • Applied to fix it to the side panels and bulkheads

Flush-Mount Blind Rivets

  1. Flush-Mount Rivet

  • Aluminum and corrosion-resistant

  • Sizes diameter (Thickness of material): 3/32” (0.062”-0.125”), 1/8” (0.092”-0.625”), 5/32” (0.062”-0.5”), 3/16” (0.188”-1”), 1/4” (0.188”-0.375”)

  • Cost: ~$9.40 / 100 pieces

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https://www.mcmaster.com/rivets/aluminum-flush-mount-blind-rivets/

  1. Flush-Mount on both sides Blind Rivet

  • Zinc-plated, and mild corrosion resistance

  • Sizes diameter (thickness of material): 1/8” (0.059”-0.177”)

  • Cost: ~$10 / 50 pieces

https://www.mcmaster.com/rivets/flush-mount-on-both-sides-blind-rivets/

Research and Concept Development

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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?

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

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Image Added

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)

  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

Image Modified

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

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Image Added

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

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

Calculations

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Final Design

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Windshield Mounting Methods & Locations

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

Bonding to Adjacent Panels

Method

Validation/Rationale (In progress)

Hood

Quarter-turn fasteners

Windshield must be easy to remove

Side Panels

Quarter-turn fasteners

Windshield must be easy to remove

Front Bridge

Quarter-turn fasteners

Windshield must be easy to remove

Manufacturing and Assembly Plans

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