Air System
Air system came on line in 1976 ($400K at that time). Currently has 2,000 ft3 actual volume total air storage at 2,200 psi (1,100 at ZL3, 900 at ZL1)
![lab-airsystem-tanks.jpg Air system](https://engineering.purdue.edu/Zucrow/research/lab-infrastructure/images/lab-airsystem-tanks.jpg)
![zucrow-air-heater-2015.jpg Air heater](https://engineering.purdue.edu/Zucrow/research/lab-infrastructure/images/zucrow-air-heater-2015.jpg)
Natural gas fired clean air heater - New in 2015
- 1,500 degF maximum discharge temperature (maintained at up to 8 lbm/sec)
- 850 psi maximum operating pressure