Thread: Article Sky Angel 50mm EDFs Review
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Old Jan 21, 2013, 01:32 PM
chas650r is offline
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chuck
santa barbara, CA
Joined May 2009
4,505 Posts
its to bad we dont have a easy way to measure efflux speed . all these thrust tests are good but w/o efflux numbers they only really matter on comparisons of the same rotor. differing pitches can determine whether they are best at thrust or efflux speed . as with regular props, u can reduce the pitch way down and increase the diam and produce way more static thrust at the same power, the down side being very low pitch speed . in a fan u can reduce the pitch , see more rpm, less amps, so it looks like it's more efficient but if the efflux is also down it may or may not do the job. and then of course u can differ the thrust tube size to compensate. lots of variables!

chuck.
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