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Date: Wed, 02 Mar 2005 15:26:47 -0600
From: Jim Sower <canarder@frontiernet.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] EWP showdown
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<... would give me 3 pumps in series ...>
Why do they have to be in series?  Don't ANY of these folks make a 
viable check valve?

Russell Duffy wrote:

> Greetings,
>  
> Well, I've still been trying to figure out how I could get two EWP's 
> in the RV-3, and took another look at the Meziere WP136.  It seems 
> pretty comparable to the Davies Craig unit as far as specs, but there 
> are some advantages/disadvantages to each.   Primarily, the Davies 
> Craig is much lighter, but the WP136 has threaded fittings.  I also 
> like the inline orientation of the in/out fittings on the WP136, which 
> might allow me to fit two of them on my firewall. 
>  
> All the pictures and measurements in the world can't answer the 
> fitment question as well as having one of these in my hand, so I 
> ordered a WP136 from Summit today (should arrive Friday).  I'll take 
> it to the hanger this weekend, and see how it fits. 
>  
> I can also imagine a number of mad scientist experiments, 
> including temporarily hooking the WP136 in series with the flow meter 
> (arriving later today) in my system on the plane.  This would give me 
> 3 pumps in series, along with a flowmeter.   I can also play with each 
> pump and the flowmeter using a bucket of water, and my spare evap core. 
>  
> Rusty (fun stuff that I don't have time for) 
>  
>  
>