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Re: Europa-List: Heat exchanger for the XS Europa

Subject: Re: Europa-List: Heat exchanger for the XS Europa
From: Karl Heindl <kheindl@msn.com>
Date: Sat, 16 Sep 2006 13:17:40

Yes, Duncan and Ian, there is an idea I had for a long time but haven't had 
a chance to try it out. It is extremely simple but would only be of interest 
to those of you who have that ducting shroud over the top of their engine. 
The temperature under that shroud is 32C degrees above oat.
All you need is : two aluminum flanges, one eyeball vent, four nuts and 
bolts  four rivets, and a piece of scat tube.
One flange  is riveted on top of the port side of the shroud , first making 
a hole in it of course, the second goes on top of the footwell next to the 
vertical firewall, and is bolted together with the eyeball vent on the 
inside. The vent is difficult to reach once you are strapped in, but is good 
enough for me.
Tha vast majority of builders don't need extreme heat, and I can't afford to 
fly in the middle of winter (hangar space needed etc.) , but there is a need 
for cabin heat on cold days and at altitude.
I don't think the PFA would have a problem with that mod. It is all clean 
fresh air and no liquids.

Karl


>From: "Duncan & Ami McFadyean" <ami@mcfadyean.freeserve.co.uk>
>Reply-To: europa-list@matronics.com
>To: <europa-list@matronics.com>
>Subject: Re: Europa-List: Heat exchanger for the XS Europa
>Date: Sat, 16 Sep 2006 10:25:02 +0100
>
>Another way is to route fresh cold air from the front of the cowl back to 
>the firewall/cockpit using the very lightweight corrugated aluminium vent 
>tube used on automotives. This picks up heat (by exchange process) as it 
>passes through the hot (c.60C) cowl space. May not work in extremes of 
>climate?
>
>Duncan McF.
>   ----- Original Message -----
>   From: karelvranken
>   To: europa-list@matronics.com
>   Sent: Friday, September 15, 2006 8:35 PM
>   Subject: Re: Europa-List: Heat exchanger for the XS Europa
>
>
>   Nigel,
>   Every builder, I think, is interested in cabin heating if....if. 
>Technicaly it has to be simple. Practicaly easy to execute and without 
>sacrificing other good arrangements. Not to much added weight. Easy in 
>usage and comfort, and last but not least, not to expensif.
>   Before placing an order I would like to have more information.
>   Karel Vranken.
>   # 447  F-PKRL XS mono 912ULS Airmaster 332 passed last control and 
>waiting for "Laisser passer" for first flight in Sedan.
>     ----- Original Message -----
>     From: nigel charles
>     To: europa-list@matronics.com
>     Sent: Friday, September 15, 2006 11:21 AM
>     Subject: Europa-List: Heat exchanger for the XS Europa
>
>
>     The manufacturer for the Europa exhaust has shown interest in 
>producing a heat exchanger box to be fitted to the XS version of the 
>aircraft. Before they move forward and design the product they want to find 
>out how much of a market there is for such a device. Obviously it is only 
>worth their while if enough owners would buy one. Any one who is interested 
>should email me so I can give the manufacturer an idea of the numbers 
>involved.
>
>
>     Regards
>
>
>     Nigel Charles
>
>



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