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From: "Mike Wills" <rv-4mike@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-3519417@logan.com>
Subject: Re: [FlyRotary] Re: ethanol
Date: Fri, 27 Feb 2009 16:40:21 -0800
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They arent the Earls filters but they are a similar type filter. I cant 
remember where I got them. The 300 GPH probably came from the marketing 
department rather than engineering. I have not tested them myself. As of 
this point they seem to do the job and I havent noted any fuel flow issues 
at max power.

What brand of filter are you using now? do they have -6 fittings or hose 
barbs?

I flushed out all the hoses after assembly and then blem them out with 
compressed air. Anyone else using Earls hoses and if so, any problems with 
ethanol?

I see Earls has a new teflon lined kevlar jacketed hose that is considerably 
lighter than their standard hose and more flexible as well. Pricey though!

Mike Wills
RV-4 N144MW
----- Original Message ----- 
From: "John Slade" <sladerj@sbcglobal.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Friday, February 27, 2009 8:41 AM
Subject: [FlyRotary] Re: ethanol


> >I use filters between the tank and pumps that have a sintered bronze
> element.
> Mike, are these the small blue circular Earls filters?
> I had problems with these. I would regularly get fuel starvation / low 
> mixture at high throttle settings. I finally traced the problem to the the 
> sintered bronze elements that looked clean but were, in fact, partially 
> blocked by invisible tiny particles. I replace the bronze elements with 
> stainless mesh filters and had no more problems.
> John
>
>
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