---------------------------------------------------------- Europa-List Digest Archive --- Total Messages Posted Wed 01/03/18: 5 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 12:51 AM - Re: Engine Over-cooling (Remi Guerner) 2. 01:50 AM - Re: LAA Airworthiness Alert. AIL December 2017 All Europas (JonSmith) 3. 02:04 AM - Re: Engine Over-cooling (JonSmith) 4. 04:23 AM - Re: Are Vne and Va IAS or TAS? (William Daniell) 5. 05:20 AM - Re: Are Vne and Va IAS or TAS? (JonSmith) ________________________________ Message 1 _____________________________________ Time: 12:51:21 AM PST US Subject: Europa-List: Re: Engine Over-cooling From: "Remi Guerner" Fred, The attached picture shows how the button lock push pull control (A700 from ACS) is installed below the instrument module and under the top of the pilot footwell. From there the casing makes 270 turn to the left and enters the tunnel through the right side of the foot well, then goes down vertically, following the firewall to the flap. A spring is not necessary as the natural aerodynamic forces tend to pull the flap open. When pulled fully closed however, the aerodynamic load is very high, so it is critical to build a very rigid and robust flap (hence the wing shaped profile of my flap). Otherwise the flap flexes under load and is not effective enough. Remi Read this topic online here: http://forums.matronics.com/viewtopic.php?p=477035#477035 Attachments: http://forums.matronics.com//files/cde_cf1_133.jpg ________________________________ Message 2 _____________________________________ Time: 01:50:56 AM PST US Subject: Europa-List: Re: LAA Airworthiness Alert. AIL December 2017 All Europas From: "JonSmith" Thanks Brian, good news! Cheers, Jon -------- G-TERN Classic Mono Read this topic online here: http://forums.matronics.com/viewtopic.php?p=477036#477036 ________________________________ Message 3 _____________________________________ Time: 02:04:26 AM PST US Subject: Europa-List: Re: Engine Over-cooling From: "JonSmith" Thanks Remi, a very impressive set up! -------- G-TERN Classic Mono Read this topic online here: http://forums.matronics.com/viewtopic.php?p=477037#477037 ________________________________ Message 4 _____________________________________ Time: 04:23:55 AM PST US From: William Daniell Subject: Re: Europa-List: Are Vne and Va IAS or TAS? Pete I found this http://www.australianflying.com.au/news/vne-and-flutter-explained What do you think think? Will William Daniell LONGPORT +57 310 295 0744 On Jan 1, 2018 22:19, "William Daniell" wrote: Mmmm....why the difference? The way I read the article it says that TAS is the critical value. For most pilot this discussion is irrelevant because the real issue occurs at altitude. However since we all fly here regularly at over 12k often in mountain turbulence this is very relevant. Anyway luckily my dynon shows IAS TAS and GS and for now I'll stick with TAS as the key value. William Daniell LONGPORT +57 310 295 0744 On Jan 1, 2018 21:43, "Pete" wrote: Oops.... I mis-stated. VNE=TAS. Va=IAS On Jan 1, 2018, at 9:29 PM, Pete wrote: TAS from my research. https://www.vansaircraft.com/pdf/hp_limts.pdf Cheers, Pete On Jan 1, 2018, at 9:15 PM, William Daniell wrote: I seem to recall a discussion on this but I can't find it on the list. At 12000 ft DA at which I was flying today, the difference is between IAS and TAS is 20 kts or roughly 20%. Thanks in advance Will ________________________________ Message 5 _____________________________________ Time: 05:20:25 AM PST US Subject: Europa-List: Re: Are Vne and Va IAS or TAS? From: "JonSmith" My very simplistic schoolboy way of looking at it is like this: VNE - the criteria is the SPEED at which the air molecules pass over the surfaces but not particularly the amount of them. Hence its the actual speed through the air (True Air Speed) that is relevant. ASI actual reading is determined by the pressure of the air molecules in the pitot tube - which amongst other factors is determined by altitude. For a given true air speed (actual speed through the air) the higher up you are the less air molecules there are so the lower the ASI reads. (Or the other way around, for a given IAS, the higher you climb the greater the TAS will be). For the same reason the stalling speed is related to IAS and not TAS - amongst other variables its the VOLUME of air molecules passing over the wing that keeps it flying, not just the speed of them! -------- G-TERN Classic Mono Read this topic online here: http://forums.matronics.com/viewtopic.php?p=477042#477042 ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message europa-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Europa-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/europa-list Browse Digests http://www.matronics.com/digest/europa-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.