Mailing List flyrotary@lancaironline.net Message #51204
From: Al Gietzen <ALVentures@cox.net>
Subject: RE: [FlyRotary] Re: alternative water pump
Date: Tue, 11 May 2010 20:23:43 -0800
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>

Will the Renesis pump capacity pump enough water to cool a 350 hp 3-rotor.  Who knows?  Frankly, I don't even know how much flow we're talking about here.  For safety sake, if a better impeller was available, I would most likely buy it.  

 

Mark;

As a point of reference; 260 hp, and 30 degree delta T needs about 40 gpm. You can scale up or down from there.  At 6000 rpm I’m guessing the pump will give you that, but of course depends on the delta P around the loop.  If you’re expecting 350 hp, things might be marginal; basically higher delta T, which reduces overall effectiveness of the system a bit. But if you have some excess capacity there - - I guess you’ll find out.

Al G

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