Table 1. Pneumatic components.

CFM: cubic feet per minute; DC: direct current; NPTF: national pipe taper fuel; V: Volts.

Note: The sizes of the pneumatic ports and reservoirs were the minimum required for safe operation. Larger sizes could further improve the stability of the system.

Item/Component	Qty	Manufacturer Part #	Manufacturer	Website
¼” NPTF to ¼” Hose, Pneumatic Fitting	10	8819575	Princess Auto	https://bit.ly/2WxqyjH
¼” Pneumatic Hose Tee	4	8819518	Princess Auto	https://bit.ly/3gJLt9S
¼” Pneumatic Hose	1	8134868	Princess Auto	https://bit.ly/3zsJL42
18.5 CFM 12V DC Pneumatic Solenoid Valve	5	8192270	Princess Auto	https://bit.ly/3gMM0Ij
¼” Flow Control	3	8819492	Princess Auto	https://bit.ly/3DBGBxA