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Cooling problems

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kheindl(at)msn.com
Guest

Posted: Tue Jan 20, 2009 6:15 am Post subject: Cooling problems

Hi Paul C

 Have you ever considered a mod which allows you to vary the cooling ? I am working on one whereby the main inlet is a large scoop further back C which I can vary from a small slit to wide open. 

 I removed the original fishmouth completely by making an initial cutout of appr. 12 inches wide by 14 inches long. I am talking about the XS cowl. I will rebuild the opening with a piece of shaped aluminum bonded to the inside and glassed over on the outside. I think it is a very straightforward mod C also using a push/pull control from ACS or the car parts shop C one that can be locked in any position. 

 It should meet my cooling requirements C at the same time reducing drag in the cruise.

 Karl

[quote] Date: Mon C 19 Jan 2009 20:36:32 -0600

 Subject: Re: A question on composits

 From: paul.the.aviator(at)gmail.com

 To: europa-list(at)matronics.com

 --> Europa-List message posted by: Paul McAllister <paul.the.aviator(at)gmail.com>

 Hi Karel C

 I was wondering now that you have put a little more time on your

 airplane are you still happy with your modification? Also C I am

 curious about a few other things.

 - Did you do this modification from the beginning C or after you had

 been flying for a while. If yes C do you have any before / after

 comparisons to share.

 - How do you find this modification works on during a long taxi on a

 hot summers day.

 - Is the size of the inlet the same or smaller than the original

 Europa design. If smaller C can you give me your new square area ?

 - It looks like your new inlet does not project as far forward as the

 original Europa design C can you give me some measurements.

 - Did you make your modification using Epoxy or vinyl-ester resin ?

 - Is there any particular reason that you did not make large radius's

 on the edges of the inlet.

 I have two problems to solve C mine over heats if I have a long taxi

 (CHT) C or if Tower has me standing at the hold short line too long.

 The other issue is that the aircraft (914) is capable to climb at more

 that 1000 feet per minute all the way to 10 C000 ~ 12 C000' C however the

 oil overheats if I do more that 500' per minute.

 If you have any more photos other that the 3 you shared on the forum C

 I'd appreciate it if you could send them on.

 Thanks for indulging my long list of questions.

 Regards C Paul

 On Thu C Jul 3 C 2008 at 3:28 PM C karelvranken <karelvranken(at)hotmail.com> wrote:

 > Jeff C

 > In attachment my concept of cowling and inner radiator duct.

 > Best regards C

 > Karel Vran==============

   	  Quote: 	
		  [b]

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