---------------------------------------------------------- Zenith-List Digest Archive --- Total Messages Posted Mon 07/23/12: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 05:40 PM - Re: Zenith-List Digest: 0 Msgs - 07/22/12 (Rich) 2. 05:51 PM - Re: Zenith-List Digest: 3 Msgs - 07/20/12 (Rich) ________________________________ Message 1 _____________________________________ Time: 05:40:53 PM PST US From: Rich Subject: Zenith-List: Re: Zenith-List Digest: 0 Msgs - 07/22/12 unsubscribe=0A=0A =0A=0A________________________________=0A From: Zenith-Li st Digest Server =0ATo: Zenith-List Digest List =0ASent: Monday, July 23, 2012 3:01 AM =0ASubject: Zenith-List Digest: 0 Msgs - 07/22/12=0A =0A*=0A=0A=== =======================0A- O nline Versions of Today's List Digest Archive=0A========= =================0A=0AToday's complete Zeni th-List Digest can also be found in either of the =0Atwo Web Links listed b elow.- The .html file includes the Digest formatted =0Ain HTML for viewin g with a web browser and features Hyperlinked Indexes =0Aand Message Naviga tion.- The .txt file includes the plain ASCII version =0Aof the Zenith-Li st Digest and can be viewed with a generic text editor =0Asuch as Notepad o r with a web browser. =0A=0AHTML Version:=0A=0A- - http://www.matronics .com/digest/digestview.php?Style=82701&View=html&Chapter 12-07-22&A rchive=Zenith=0A=0AText Version:=0A=0A- - http://www.matronics.com/di gest/digestview.php?Style=82701&View=txt&Chapter 12-07-22&Archive =Zenith=0A=0A=0A=================== =====0A- EMail Version of Today's List Digest Archive=0A== ======================0A=0A=0A- - - - - --------------------------------------------------------- -=0A- - - - - - - - - - - - - Zenith-List Digest Archive=0A- - - - - - - - - - - - - - - - - - - ---=0A- - - - - - - - - - Total Messages P osted Sun 07/22/12: 0=0A- - - - - ------------------------------ ----------------------------=0A=0A=0AToday's Message Index:=0A------------- = ________________________________ Message 2 _____________________________________ Time: 05:51:06 PM PST US From: Rich Subject: Zenith-List: Re: Zenith-List Digest: 3 Msgs - 07/20/12 opt out=0A=0A =0A=0A________________________________=0A From: Zenith-List D igest Server =0ATo: Zenith-List Digest List =0ASent: Saturday, July 21, 2012 3:01 AM=0AS ubject: Zenith-List Digest: 3 Msgs - 07/20/12=0A =0A*=0A=0A===== =====================0A- Online Versions of Today's List Digest Archive=0A=========== ===============0A=0AToday's complete Zenith-Lis t Digest can also be found in either of the =0Atwo Web Links listed below. - The .html file includes the Digest formatted =0Ain HTML for viewing wit h a web browser and features Hyperlinked Indexes =0Aand Message Navigation. - The .txt file includes the plain ASCII version =0Aof the Zenith-List Di gest and can be viewed with a generic text editor =0Asuch as Notepad or wit h a web browser. =0A=0AHTML Version:=0A=0A- - http://www.matronics.com/ digest/digestview.php?Style=82701&View=html&Chapter 12-07-20&Archiv e=Zenith=0A=0AText Version:=0A=0A- - http://www.matronics.com/digest/ digestview.php?Style=82701&View=txt&Chapter 12-07-20&Archive=Zeni th=0A=0A=0A===================== ===0A- EMail Version of Today's List Digest Archive=0A==== ====================0A=0A=0A- - - - - ----------------------------------------------------------=0A - - - - - - - - - - - - - Zenith-List Digest Arc hive=0A- - - - - - - - - - - - - - - - - - - ---=0A- - - - - - - - - - Total Messages Poste d Fri 07/20/12: 3=0A- - - - - ---------------------------------- ------------------------=0A=0A=0AToday's Message Index:=0A----------------- -----=0A=0A- - 1. 11:38 AM - Engine cooling Louver Vents- (Jeffrey J Paris)=0A- - 2. 12:12 PM - Re: Engine cooling Louver Vents- (Steve T)=0A- - 3. 06:34 PM - Re: Engine cooling Louver Vents- (Larry McFar land)=0A=0A=0A=0A________________________________- Message 1- _________ ____________________________=0A=0A=0ATime: 11:38:47 AM PST US=0AFrom: "Jeff rey J Paris" =0ASubject: Zenith-List: Engine co oling Louver Vents=0A=0AGentlepeople,=0A=C2-=0AA few months ago someone o ut on our lists mentioned that they were using som=0Ae louvered vents in an aid to cooling their Jabiru installation. =C2-I wou=0Ald be interested t o see if anyone has some anecdotal or actual experience wi=0Ath utilizing l ouvered vents on the bottom of a cowl in an effort to aid and =0Aimnprove e ngine cooling.=0A=C2-=0AIn my case I have a Jab3300 powered Zentith Zodia c in which I'm pretty much =0Adialed into in terms of cooling. =C2-Howeve r, I am also a builder of a Jab=0A3300 powered Europa Classic Monowheel and due to the fact =C2-that the fo=0Aotwells and the main landing gear trun cate the bottom opening of the cowl ma=0Aking a clean and big enough exit a bit "messy".=0A=C2-=0AI am curious to see if a set of vented louvers run ning parallel and under ea=0Ach cylinder would create enough pull to enhanc e cooling?=C2-(Bonanzas have=0Aem') =C2-Do the experts think I might ha ve some luck with just such an in=0Astallation?=0A=C2-=0AThanks for your time and consderation.=0A=C2-=0AJeff Paris=0A=0A_________________________ _______- Message 2- _____________________________________=0A=0A=0ATime: 12:12:28 PM PST US=0ASubject: Re: Zenith-List: Engine cooling Louver Vents =0AFrom: Steve T =0A=0AJeff....=0A=0AGood afte rnoon.- I was involved with the cooling louvers discussion and have=0Asol d several sets to zenith aircraft builders and owners.=0A=0ATypically, cool ing louvers will decrease your cht temperatures by 20-35 degr=0Aees and oil temperatures 10-15 degrees, depending on aircraft type and insta=0Allation .=0A=0AThe louver placement can make a big difference in actual efficiency. - But we=0Ahave found them to be a very efficient, lightweight and cost e ffective meth=0Aod to help with high temperatures.=0A=0AA lot of rv aircraf t use them and have even better results due to the higher=0Aairspeed.- I have a set in a 701 with a corvair engine and he is reporting a=0A20-25 deg ree drop in cht.=0A=0AIf you are interested, they can be found at=0A=0Ahttp ://aircraftspecialty.com/zenithproducts.html=0A=0AWe manufacture them in ho use to keep costs low and also to ensure quality. =0AI am an aircraft build er and am picky about what I put on my airplane, and f=0Aollow through with that mindset for our customers.=0A=0AHave a great day=0ASteve=0A=0ASent fr om my iPhone=0A=0ASent from my iPhone=0A=0AOn Jul 20, 2012, at 13:36, "Jeff rey J Paris" wr=0Aote:=0A=0A> Gentlepeople,=0A >- =0A> A few months ago someone out on our lists mentioned that they wer e using s=0Aome louvered vents in an aid to cooling their Jabiru installati on.- I would b=0Ae interested to see if anyone has some anecdotal or actu al experience with u=0Atilizing louvered vents on the bottom of a cowl in a n effort to aid and imnp=0Arove engine cooling.=0A>- =0A> In my case I ha ve a Jab3300 powered Zentith Zodiac in which I'm pretty muc=0Ah dialed into in terms of cooling.- However, I am also a builder of a Jab 33=0A00 powe red Europa Classic Monowheel and due to the fact- that the footwells a=0A nd the main landing gear truncate the bottom opening of the cowl making a c l=0Aean and big enough exit a bit "messy".=0A>- =0A> I am curious to see if a set of vented louvers running parallel and under e=0Aach cylinder woul d create enough pull to enhance cooling? (Bonanzas have em'=0A)- Do the e xperts think I might have some luck with just such an installatio=0An?=0A> - =0A> Thanks for your time and consderation.=0A>- =0A> Jeff Paris=0A> =0A> =0A====================== =====0A==========0A========== =================0A======== ==0A======================= ====0A==========0A=========== ================0A========= =0A> =0A=0A________________________________- Message 3- _______________ ______________________=0A=0A=0ATime: 06:34:16 PM PST US=0AFrom: "Larry McFa rland" =0ASubject: RE: Zenith-List: Engine cooli ng Louver Vents=0A=0AHi Jeff,=0A=0AI used louvers under my belly radiator i nstallation, did a tissue test =0Ato proof the negative draft and it worked really well.=0A=0ANo major numbers, but about a 5 degree improvement overa ll for radiator =0Acooling.=0A=0Ahttp://www.macsmachine.com/images/subaruen gine/full/louvertuftest2.gif=0A=0A=0ALarry McFarland=0A=0A=0AFrom: owner-ze nith-list-server@matronics.com =0A[mailto:owner-zenith-list-server@matronic s.com] On Behalf Of Jeffrey J =0AParis=0ASent: Friday, July 20, 2012 1:36 P M=0ASubject: Zenith-List: Engine cooling Louver Vents=0A=0A=0AGentlepeople, =0A=0A=0AA few months ago someone out on our lists mentioned that they were using =0Asome louvered vents in an aid to cooling their Jabiru installatio n.- I =0Awould be interested to see if anyone has some anecdotal or actua l =0Aexperience with utilizing louvered vents on the bottom of a cowl in an =0Aeffort to aid and imnprove engine cooling.=0A=0A=0AIn my case I have a Jab3300 powered Zentith Zodiac in which I'm pretty =0Amuch dialed into in t erms of cooling.- However, I am also a builder of a =0AJab 3300 powered E uropa Classic Monowheel and due to the fact- that the =0Afootwells and th e main landing gear truncate the bottom opening of the =0Acowl making a cle an and big enough exit a bit "messy".=0A=0A=0AI am curious to see if a set of vented louvers running parallel and =0Aunder each cylinder would create enough pull to enhance cooling? =0A(Bonanzas have em')- Do the experts th ink I might have some luck with =0Ajust such an installation?=0A=0A=0AThank ============= ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message zenith-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Zenith-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/zenith-list Browse Digests http://www.matronics.com/digest/zenith-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.