Climbing Hold Resurfacer Team Retekt: Abdullah Alenezi Mohammad - - PowerPoint PPT Presentation

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Climbing Hold Resurfacer Team Retekt: Abdullah Alenezi Mohammad - - PowerPoint PPT Presentation

Climbing Hold Resurfacer Team Retekt: Abdullah Alenezi Mohammad Almutairi Kyle Connelly Drew Shumway Dylan Simon Project Description Client: John Doskicz of Flagstaff Climbing Center Figure 1: Flagstaff Climbing Center Goal: Retexture


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SLIDE 1

Climbing Hold Resurfacer

Team Retekt: Abdullah Alenezi Mohammad Almutairi Kyle Connelly Drew Shumway Dylan Simon

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SLIDE 2

Project Description

Goal: Retexture indoor climbing holds to save money over time

Kyle 2

Client: John Doskicz of Flagstaff Climbing Center

Figure 1: Flagstaff Climbing Center

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SLIDE 3

Issue: Climbing holds lose texture over time. Currently no existing climbing hold resurfacing materials or tools.

Kyle 3 Figure 2: Polished Climbing Holds

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SLIDE 4

Requirements

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Engineering Requirements 80% original texture (surface roughness 5.5x10-5in) Cost of operation (< $3.00/hold) Size of device (< 6 ft longest length) Durability of machine (>500 holds before maintenance) Color (visual color scale) Customer Requirements Save money Climbing holds will gain usable texture while resembling original hold Can be applied to majority of hold collection Can be stored reasonably Can recolor

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SLIDE 5

Solution

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Clean Retexture Recolor

  • Black Box Model
  • Functional Decomp.
  • Decision Matrix
  • Pugh Chart
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SLIDE 6

Cleaning

Dylan 6

Before After

Vinegar + Water mixture is the most effective Time to clean is 30 to 60 min

Figure 3: Ultrasonic Cleaner test

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SLIDE 7

Materials Tested

Dylan 7

Adhesives Aggregate Color Epoxy Playground sand Food coloring Smooth cast resin Fine grain silica sand Plastic dye Urecoat resin Small grit copper slag Acrylic paint Liquid nails Medium grit copper slag Rubber cement Concrete sand 2 concrete fortifiers Acrylic concrete mix Vinyl concrete mix Variable isolation of

  • adhesives
  • particulates
  • different application

methods

  • additives
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SLIDE 8

Texture Test Samples

Dylan 8 Figure 4: Portion of Test Samples

  • Over 50 Compositions
  • Began with isolated

variable testing

  • Expanded on variables

that produced positive results

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SLIDE 9

The Mix

What’s in it

  • Concrete fortifier
  • Concrete for patching
  • Copper slag aggregate (optional)
  • Dye
  • Water

Dylan 9 Figure 5: Mixture Materials

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SLIDE 10

First of its Kind

  • The holds below were the first

holds real world tested

Dylan 10 Figure 6: Retextured Holds

  • Seen below is the second

composition of real world testing

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SLIDE 11

Dipping Rods

Drew 11 Figure 7: CAD and Finished Dipping Rods

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SLIDE 12

Dipping Rod

Drew 12

  • The rubber hose

expands when compressed to fill the bolt hole

  • Petroleum jelly prevents

texture adhesion to bolt and hose

Figure 8: Testing Dipping rods

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SLIDE 13

Drying Rack

Drew 13 Figure 9: CAD and Physical Drying Rack

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Results

  • Average cost of 16 cents per hold
  • Approximately one month until texture

begins to wear

  • Texture can be removed and reapplied

The engineering requirement to restore 80%

  • f the original texture was determined by

direct client approval and a poll. The poll results of the poll are seen in figure 7 with an average rating of 8.2 out of 10. The poll shows that people believed that the retextured holds resemble 82% the texture

  • f a brand new hold.

Drew 14 Figure 10: Texture Rating

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SLIDE 15

Results Cont.

  • Longest length is 4 ft
  • Any color dye

All engineering requirements satisfied

Mohammad 15 Figure 11: Color Scale Figure 10: Longest Length

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SLIDE 16

Budget & BOM

Mohammad 16

Budget $2000 Expenses $1,005.56 Remaining of the Budget $994.44 Sponsors: ○ John Doskicz ■ $1000 ○ Engineering Dept. ■ $1000

Table 1: Budget Table 2: Bill of Materials

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SLIDE 17

Bill of Materials Cont.

Mohammad 17 Table 3: Drying Rack Bill of Materials

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Final Product Deliverables

Abdullah 18 Figure 12: Final Product

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Future Work

The texture can be improved with further testing Durability Operation cycle time

  • Dip modifications
  • Mixing procedure

Abdullah 19 Figure 13: Worn Retextured Hold

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SLIDE 20

References

[1] How to Build Climbing Walls and Make Climbing Holds, www.threeballclimbing.com/how_to.htm. “Polyurethanes.” Introduction to Polyurethanes, polyurethane.americanchemistry.com/Introduction-to-Polyurethanes/. [2] “ROCK CLIMBING HOLDS.” Rock Climbing Holds - Alumilite, www.alumilite.com/climbing-holds-materials/rock-climbing-holds. [3] Rodriguez, Juan. “Seven Additives to Make Concrete Manageable.” The Balance, www.thebalance.com/common-used-concrete-admixtures-845036.

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Any Questions?