[DeTomaso] Cooling system hose questions

[JDeRyke at aol.com]

Fan blades or turbocharger impellers don't scoop air; the aerodynamic shape 
and the effect is much more complex than that. Basically, they create a low 
pressure area that Nature attempts to fill by rapidly flowing air into the 
space created. The Flexilite blades must be more aerodynamic than the stock 
fan blades, because of the much larger volume of air they move using roughly 
the same amount of electrical power. My old tests on stock pusher-fans 
showed that each stock fan moved roughly 300 cubic feet per minute while the 
advertised volume of one plastic Flexilte is 1200 c.f.m. 
Note that neither stock nor Flexilite fan will deliver its max airflow 
unless the stock wiring is cleaned up. Wiring either fan motor direct to a 
battery will show a visible increase in motor speed and thus air volume moved. 
FWIW- J Deryke


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