Mailing List flyrotary@lancaironline.net Message #23825
From: John Slade <sladerj@bellsouth.net>
Subject: RE: [FlyRotary] Re: fuel pump mounting ( fuel system architecture)
Date: Tue, 14 Jun 2005 14:26:38 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
> I did an experiment with the pump on a 4 foot bench, and a gas can
> on the
> floor. The pump primed itself with no difficulty. Having said that,
> a
> scenario like this in a plane would be just asking for vapor lock.
>
-----------------------------------------------

Hi John, I like your test but do not understand your conclusion.
The conclusion wasn't based on the results of the experiment :)
It's my understanding that you need to replicate the temperatures and
pressures for the experiment to be entirely valid.

If the pump will prime with a 4 foot negative head that sounds good to me.
But this only proves it works on the bench under atmospheric pressure and
ambient temperature.

John


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