** Items that are in bold are the top choice mechanical component.
Air Compressor
| Device | Pressure (PSI) | Air Flow (CFM) | Weight (lbs) | Availability | Cost ($) |
| Husky 30 Gallon Electric Compressor | 175 | 6.8 | 105.25 | On Island | 299.00 |
| Husky 20 Gallon Electric Compressor | 175 | 5.2 | 73 | On Island | 199.00 |
| Kobalt 2 Stage Compressor | 175 | 5.3 | 178 | Off Island | 579.00 |
Pipes
| Material | Max Operable Pressure (psi) | Assembly Type | Dimension (in) | Availability | Cost ($)/ft |
| Copper | 701 | Cut & Solder | 3/4 | On Island | 2.73 |
| Stainless Steel | 200 | Welding | 3/4 | On Island | 5.93 |
| Aluminum | 190 | Fittings | 3/4 | Off Island | 2.39 |
| Polyvinyl Chloride (PVC) | 690 | Fittings | 3/4 | On Island | 1.07 |
| Acrylonitrile Butadiene Styrene (ABS) | 185 | Fittings | 1-1/2 | On Island | 1.49 |
Piston
| Device | Pressure (PSI) | Air Flow (CFM) | Fitting (in) | Availability | Cost ($) |
| Festo Double Acting Piston | 145 | 0.284 | M10 | On Island | Donated |
| Bimba Single Acting Piston | 250 | 0.031 | M10 | On Island | Donated |
| Parker Double Acting Piston | 250 | – | 1/8 NPT | Off Island | 37.68 |
Rotary Actuators
| Device | Pressure (psi) | Air Flow (CFM) | Fitting (in) | Availability | Cost ($) |
| Parker Wrist Rotary | 150 | 0.000579 | 1/4 | On Island | 178.49 |
| Festo Rotary Drive | 117 | 0.00127 | M3 | Off Island | 166.28 |
Air Gun
| Device | Pressure (psi) | Air Flow (CFM) | Fitting (in) | Availability | Cost ($) |
| 2 Way Capri Blow | 150 | 6 | 1/4 NPT | Off Island | 13.95 |
| Pistol Grip Blow Gun | 100 | 10 | 1/4 NPT | On Island | 16.13 |
| Flexible Blow Gun | 87 | 7.7 | 1/4 NPT | Off Island | 17.99 |
Weight Factor (DMM & PCC): Compressor
Compressor | CFM Output | Pressure Output | Weight | Availability | Cost | Sum | Weight Factor |
| CFM Output | 1 | 1 | 1 | 0 | 1 | 4 | 0.27 |
| Pressure Output | 0 | 1 | 1 | 0 | 1 | 3 | 0.20 |
| Weight | 0 | 0 | 1 | 0 | 1 | 2 | 0.13 |
| Availability | 1 | 1 | 1 | 1 | 1 | 5 | 0.33 |
| Cost | 0 | 0 | 0 | 0 | 1 | 1 | 0.07 |
| Total | | | | | | 15 | 1.0 |
| Compressor | | | 20 Gallon Husky | | | 30 Gallon Husky | | | Kobalt 2 Stage Compressor | |
| Feature | Weight Factor | Parameter | Magnitude | Score | Value | Magnitude | Score | Value | Magnitude | Score | Value |
| Air Flow Output | 0.27 | CFM | 5.2 | 3 | 0.81 | 6.8 | 5 | 1.35 | 5.3 | 3 | 0.81 |
| Pressure Output | 0.2 | psi | 175 | 5 | 1 | 175 | 5 | 1 | 175 | 5 | 1 |
| Weight | 0.13 | lbs | 73 | 5 | 0.65 | 105.25 | 3 | 0.39 | 178 | 1 | 0.13 |
| Availability | 0.33 | off/on island’ | On Island | 5 | 1.65 | On Island | 5 | 1.65 | Off Island | 3 | 0.99 |
| Cost | 0.07 | $ | 199 | 5 | 0.35 | 299 | 4 | 0.28 | 579 | 2 | 0.14 |
| | | | Total | 4.46 | | Total | 4.67 | Total | Total | 3.07 |
Weight Factor (DMM & PCC): Pipes
Pipe | Pressure Rating | Assembly | Dimensions | Availability | Cost | Sum | Weight Factor |
| Pressure Rating | 1 | 1 | 1 | 1 | 1 | 5 | 0.33 |
| Assembly | 0 | 1 | 1 | 1 | 1 | 4 | 0.27 |
| Dimensions | 0 | 0 | 1 | 1 | 1 | 3 | 0.20 |
| Availability | 0 | 0 | 0 | 1 | 1 | 2 | 0.13 |
| Cost | 0 | 0 | 0 | 0 | 1 | 1 | 0.07 |
| Total | | | | | | 15 | 1.0 |
| Pipes | | | Copper | | | Stainless Steel | | | Aluminum | | | ASB | |
| Feature | Weight Factor | Parameter | Magnitude | Score | Value | Magnitude | Score | Value | Magnitude | Score | Value | Magnitude | Score | Value |
| Pressure Rating | 0.27 | psi | 701 | 5 | 1.35 | 200 | 3 | 0.81 | 190 | 3 | 0.81 | 185 | 3 | 0.81 |
| Assembly | 0.13 | Experience | Good | 3 | 0.39 | Poor | 1 | 0.13 | Excellent | 5 | 0.65 | Excellent | 5 | 0.65 |
| Dimensions | 0.13 | in’ | 3/4 | 5 | 0.65 | 3/4 | 5 | 0.65 | 3/4 | 5 | 0.65 | 1-1/2 | 3 | 0.39 |
| Availability | 0.33 | off/on island’ | On Island | 5 | 1.65 | On Island | 5 | 1.65 | Off Island | 3 | 0.99 | On Island | 3 | 0.99 |
| Cost | 0.13 | $/ft | 2.73 | 4 | 0.52 | 5.93 | 1 | 0.13 | 2.39 | 4 | 0.52 | 1.49 | 5 | 0.65 |
| | | | Total | 4.56 | | Total | 3.37 | | Total | 3.62 | | Total | 3.49 |
Weight Factor (DMM & PCC): End User Devices
| End Device User | CFM Required | Pressure Required | Availability | Cost | Sum | Weight Factor |
| CFM Required | 1 | 1 | 0 | 1 | 3 | 0.33 |
| Pressure Required | 0 | 1 | 0 | 1 | 2 | 0.22 |
| Availability | 0 | 1 | 1 | 1 | 3 | 0.33 |
| Cost | 0 | 0 | 0 | 1 | 1 | 0.11 |
| Total | | | | | 9 | 1.00 |
| Piston | | | Festo Double Acting Piston | | | Bimba Single Acting Piston | | | Parker Double Acting Piston | |
| Feature | Weight Factor | Parameter | Magnitude | Score | Value | Magnitude | Score | Value | Magnitude | Score | Value |
| Air Flow | 0.33 | CFM | 0.284 | 5 | 1.65 | 0.031 | 5 | 1.65 | – | 1 | 0.33 |
| Pressure | 0.22 | psi | 145 | 5 | 1.1 | 250 | 2 | 0.44 | 250 | 2 | 0.44 |
| Availability | 0.33 | off/on island’ | On Island | 5 | 1.65 | On Island | 5 | 1.65 | Off Island | 3 | 0.99 |
| Cost | 0.11 | $ | 0 | 5 | 0.55 | 0 | 5 | 0.55 | 37.68 | 5 | 0.55 |
| | | | Total | 4.95 | | Total | 4.29 | | Total | 2.31 |
| Rotary Actuator | | | Parker PTR | | | Parker Wrist Rotary | | | Festo Semi Rotary Drive | |
| Feature | Weight Factor | Parameter | Magnitude | Score | Value | Magnitude | Score | Value | Magnitude | Score | Value |
| Air Flow | 0.33 | CFM | – | 1 | 0.33 | 0.000578 | 5 | 1.65 | 0.00127 | 5 | 1.65 |
| Pressure | 0.22 | psi | 250 | 2 | 0.44 | 150 | 5 | 1.1 | 116 | 5 | 1.1 |
| Availability | 0.33 | off/on island’ | Off Island | 3 | 0.99 | On Island | 5 | 1.65 | Off Island | 3 | 0.99 |
| Cost | 0.11 | $ | | | 0.11 | 178.49 | 4 | 0.44 | 166.28 | 5 | 0.55 |
| | | | Total | 1.87 | | Total | 4.84 | | Total | 4.29 |
| Air Gun | | | FNPT Thread | | | Pistol Grip | | | 2 Way Capri | |
| Feature | Weight Factor | Parameter | Magnitude | Score | Value | Magnitude | Score | Value | Magnitude | Score | Value |
| Air Flow | 0.33 | CFM | 7.7 | 3 | 0.99 | 10 | 2 | 0.66 | 6 | 5 | 1.65 |
| Pressure | 0.22 | psi | 87 | 5 | 1.1 | 100 | 5 | 1.1 | 150 | 5 | 1.1 |
| Availability | 0.33 | off/on island’ | Off Island | 3 | 0.99 | On Island | 5 | 1.65 | Off Island | 5 | 1.65 |
| Cost | 0.11 | $ | 17.99 | 3 | 0.33 | 16.13 | 4 | 0.44 | 13.95 | 5 | 0.55 |
| | | | Total | 3.41 | | Total | 3.85 | | Total | 4.95 |
Disclaimer: trade studies are not finalized as of 11/25.
