Construction and Testing of Lightweight and Low-Cost Pneumatically Inflated Solar Concentrators

Table 2

Cost of the solar cylindrical collector.

Quantity	Description	Price/unit; $	Cost; $
2 tranches	Tubular profile	11.42	22. 85
2 tranches	Tubular profile	11.24	22.48
4	Hubs of bicycle	1.27	5.10
1	Plastic tank	2.25	2.25
1	Tank 60 liters	2.25	2.25
4 m	Polycarbonate	0.9	3.6
1	Construction of Sun-tracking circuit	7.49	7.49
1	Heat-pipe tube	7.49	7.49
1	Heat exchanger	7.49	7.49
2 m	Insulating tubing	0.97	1.95
2 m	CPVC pipe 3/	1.87	1.87
4	Unions for pipeline	1.50	6.00
1	Engine C.D.	22.48	22.48
6 m	Mylar	0.75	0.75
	Manufacturing costs	50.00	50.00
Total			163.30
	Total cost per m^2		58.50