Metal vs Amodel polymer fans:
Thom,
I am curious as to the method you used to test for airflow on machines that have metal vs Amodel plastic fans. Could you please explain how you performed the tests because when I performed the Airflow tests, I found there to be no difference in airflow between these two types of fans.
Here are my findings:
<p lang="en" style="margin-bottom: 0.14in; line-height: 115%;"><span style="font-size: large;">There is NO difference in the amount of airflow with the new Amodel Polymer fans. I tested it myself with a Baird Airflow Meter. Yes the blades are slightly shorter, but have you counted the number of blades? The old metal fans had 10 blades. The new Amodel fans have 11 blades which compensates for the blades being slightly shorter. The 11 blades are shorter and more curved to enable larger pieces of debris like coins etc.to be more quickly thrown into the emptor instead of rattling around inside the fan case and causing any damage to the fan. </span></p>
<p lang="en" style="margin-bottom: 0.14in; line-height: 115%;"><span style="font-size: large;">As far as durability goes, Amodel polymer is a lot tougher and more resilient than metal. Metal fans are actually more brittle than Amodel fans and more likely to suffer damage. Amodel is capable of bending slightly (like hard rubber) to absorb the shock of being hit by large debris. Amodel has been reported to be 300% stronger and tougher than either metal or Kevlar.</span></p>
<p lang="en" style="margin-bottom: 0.14in; line-height: 115%;"><span style="font-size: large;"> The ONLY disadvantage to Amodel is that it starts to melt at around 536 degrees Fahrenheit. The most common way this happens is if people use the inflator tool for more than 5 minutes at a time. This will restrict the airflow through the fan case causing the fan to overheat (past 500 deg.) and start to melt.</span></p>
<p lang="en" style="margin-bottom: 0.14in; line-height: 115%;"><span style="font-size: large;">The Only advantage of metal fans is that there is a very slight sound difference making a machine with metal fan sound more authentic, like the vacuums of yesteryear used to sound.</span></p>
<p lang="en" style="margin-bottom: 0.14in; line-height: 115%;"><span style="font-size: 14pt;">The article at the link below describes how the Latest Kirby Fan (G5 thru Avalir) was developed by a joint effort of NASA and Kirby: </span></p>
<p style="margin-bottom: 0.14in; line-height: 115%;"><span style="font-size: 14pt;">
<span lang="en"><span style="text-decoration: underline;">http://spinoff.nasa.gov/spinoff1997/ch9.html</span></span></span></p>
<p lang="en" style="margin-bottom: 0.14in; line-height: 115%;"> </p>
<p lang="en" style="margin-bottom: 0.14in; line-height: 115%;"> </p>[this post was last edited: 10/2/2016-12:04]
