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Re: Fuel Tank Vent

Subject: Re: Fuel Tank Vent
From: Graham Singleton <grasingleton@avnet.co.uk>
Date: Mon, 28 May 2001 17:24:58
 <3B11CA88.960B3C55@ameritech.net>
 <3B11CE62.FF845A57@home.com>

>Europa's method to mitigate water ingestion is the two 1/8" holes,
>which I assume is OK, but I worry about me being too sloppy with a wax
>rag in that area.  Also, as it's metal tubing in the breeze, I figure
>it will freeze much more quickly with altitude if enough H2O's
>present, whereas my vent tube is "heat-sunk" to the fin, allowing more
>time for airstream to purge it.

The holes were recommended (by Burt Rutan) to avoid freezing. Water should 
run through with the continuous airflow. Any icing though has a bad effect 
on aerodynamics so is best avoided.

Graham



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