Mailing List flyrotary@lancaironline.net Message #18906
From: Finn Lassen <finn.lassen@verizon.net>
Subject: Re: [FlyRotary] Returnless fuel systems
Date: Wed, 16 Mar 2005 22:57:28 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Airflow across carbs and possibly the venturi pressure drop and atomization temp drops propagates through the meteal of the carb, helping to keep temps in check...
In any case a heat shield is definitely required between exhaust (headers) and carbs.

Finn

Ernest Christley wrote:

I'm not trying to beat this horse to death, but this question has been irritating me.

We spent a lot of time discussing how the fuel that is firewall forward gets hot and boils, therefore, the fuel had to be routed someplace where it could cool.

But what happens in carbuerated systems?  There is a bowl there collecting and holding a 1/2 cup of fuel along with the delivery lines and the pumps only deliver a few pounds of pressure vs the 10's of pound in an injected systems.  How do the carbs get away with it?

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