---------------------------------------------------------- Lightning-List Digest Archive --- Total Messages Posted Fri 04/22/11: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 03:52 PM - Re: Lightning-List Digest: 3 Msgs - 04/21/11 (Jay Schmitt) ________________________________ Message 1 _____________________________________ Time: 03:52:28 PM PST US From: Jay Schmitt Subject: Lightning-List: RE: Lightning-List Digest: 3 Msgs - 04/21/11 Hi Tex=2C I run 100LL exclusively in my Esqual ( Jabiru 3300 ) with no plu g fowling and no other problems...........Jay N117DA > Date: Thu=2C 21 Apr 2011 23:56:57 -0700 > From: lightning-list@matronics.com > To: lightning-list-digest@matronics.com > Subject: Lightning-List Digest: 3 Msgs - 04/21/11 > > * > > ======================== > Online Versions of Today's List Digest Archive > ======================== > > Today's complete Lightning-List Digest can also be found in either of the > two Web Links listed below. The .html file includes the Digest formatted > in HTML for viewing with a web browser and features Hyperlinked Indexes > and Message Navigation. The .txt file includes the plain ASCII version > of the Lightning-List Digest and can be viewed with a generic text editor > such as Notepad or with a web browser. > > HTML Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=html& Chapter 11-04-21&Archive=Lightning > > Text Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&C hapter 11-04-21&Archive=Lightning > > > ======================== ======================= > EMail Version of Today's List Digest Archive > ======================== ======================= > > > ---------------------------------------------------------- > Lightning-List Digest Archive > --- > Total Messages Posted Thu 04/21/11: 3 > ---------------------------------------------------------- > > > Today's Message Index: > ---------------------- > > 1. 09:35 AM - Re: Airflow splitter for EGTs (flylightning) > 2. 10:04 AM - Jabiru Engine Class may 13-15th (flylightning) > 3. 06:07 PM - 100ll vrs mogas (Tex Mantell) > > > > ________________________________ Message 1 ______________________________ _______ > > > Time: 09:35:38 AM PST US > From: "flylightning" > Subject: RE: Lightning-List: Airflow splitter for EGTs > > Clive=2C > > I think you could fit it to the esqual but it would require a reversal > of the SCAT at the firewall to get back to the airbox. This shouldn't > cause a problem because the splitter is at the carb. > The splitter is mounted like + I haven't tried it the other way. Haven't > thought about it really. IT work very well in our set up and I know that > we have seen uneven EGTS in the lighting. > I really don't want to suggest a solution if others aren't having a > problem. > > Nick > > -----Original Message----- > From: owner-lightning-list-server@matronics.com > [mailto:owner-lightning-list-server@matronics.com] On Behalf Of James=2C > Clive R > Sent: Wednesday=2C April 20=2C 2011 11:22 PM > Subject: RE: Lightning-List: Airflow splitter for EGTs > > This looks interesting and thanks for sharing it. The WOT uneven running > on my Esqual's 3300 went away with a smooth bend though I've never moved > to the next step=2C chasing EGT's. > > I had always wondered if the place for the 'straightening device' was in > a straight line to the carb. > In industrial flow measurement we always have the straightening bundle > after the bend in a straight line to the measuring device. > The bundle is usually just that=2C a bundle of tubes inside the pipe=2C t hat > would be the most efficient way of straightening the flow but in our > case would be a little restrictive of airflow unless the tubes could be > really thin (like drinking straws). > Unfortunately there is no space for the fibreglass tube on the Esqual > and I imagine some other engine installations=2C though I think something > of the style of this could be fashioned in the last part of the bend.. > > One question=2C does the orientation of the cross of the splitter have an y > effect. + or x ? > > Nick=2C have you considered=2C forwarding on these results to the engine > lists? jabiruengines@yahoogroups.com jabiruengine-list@matronics.com > given the benefit that would likely apply to many installations. > > Regards=2C Clive > > > _____ > > From: owner-lightning-list-server@matronics.com > [mailto:owner-lightning-list-server@matronics.com] On Behalf Of > flylightning > Sent: 20 April 2011 20:06 > Subject: Lightning-List: Airflow splitter for EGTs > Group=2C > > For some time now Bill Browns from IL has been playing with intake > splitters to even out the large Difference in EGTS from left to right > bank. > One of the last designs=2C a four way splitter=2C was purposed to go in t he > outlet tube of the Airbox to the carb. I know that Bill and a few others > have testing it there with ok results. > > A little back story here. From day one we have always attached the SCAT > hose directly to the Carb in a Lightning. The Jabiru manual says to have > a clean bore tube attached to the carb than the scat hose. > For one reason or another I paid no attention to this and didn't do it. > Was as of late=2C say the last 6 planes or so out of SYI I have installed > a smooth bore fiberglass tube to the carb. > It does make installing the SCAT easier but did nothing for my EGTS=2C > bummer. So I thought well why not stick the Splitter in the tube right > in front of the CARB=2C it can't get any worse=2C and the air certainly > can't tumble after it no room. > > So a test flight with out The splitter installed and just the fiberglass > tube revealed EGTs as follows at WOT. Lowest was 1050 degrees and the > highest was near 1400 degrees. Yep that is what we see with out the > tube. > Back on the ground and insert the Splitter. WOW what a difference=2C low > EGTs now 1180 degrees and the high was 1240 degrees at WOT!!! Never seen > that. Full power in level flight showed the same results. Cruise was > also much better. > So this is just chance right one install=2C cant be the same on the next > plane right? > > Note the 2 pictures=2C One shows the 4 way splitter insert=2C and a Split ter > built in to a aluminum tube. The second picture is where the smooth bore > tube attaches=2C in this case a fiberglass tube for the insert. > > The splitter built in to the tube is intended to be a production style > finished part with no insert. So I stuck this on the newest LS-1 we are > flying. Same idea just looks better. > > WOW again=2C same results. WOT EGT low 1140 degrees=2C High EGT was 1220 > Degrees. The rest of course in the middle. The spread was great just a > little rich=2C so swap out the 255 main jet to a 250 main jet with better > leaner temps. > With the 250 main jet we see 1220 LOW egt and 1280 High EGT at full > power WOT. That's outstanding in my book. > > So with two plane flying with identical results I think we are on to > solving the uneven fuel distribution and full throttle. I have sent a > few more of these out to other dealers and Lighting builders to play > with ( umm test) and see what happens. > > We just have to find some one to build them for us=2C unless Bill wants t o > mass produce them in his basement! > > Nick > > > ________________________________ Message 2 ______________________________ _______ > > > Time: 10:04:00 AM PST US > From: "flylightning" > Subject: Lightning-List: Jabiru Engine Class may 13-15th > > The May engine class given 13-15th still has available slots. > > Mark and Yours truly are the teachers and would love to see you there. > > Go to www.usjabiru.com and click on the link > for the seminar at the bottom of the home page. Fill out the attendance > sheet and come on down to TN. > > Thank you=2C > Nick Otterback > Arion Aircraft > > ________________________________ Message 3 ______________________________ _______ > > > Time: 06:07:36 PM PST US > From: "Tex Mantell" > Subject: Lightning-List: 100ll vrs mogas > > I now have over 100 hrs on the lightning and its all on 93 oct car gas. > Everything is next to perfect and runs great. It took a while to get the > proper jetting. Now I have to switch to 100 LL and don't know what to > expect. The last few tanks of fuel have been 100LL and It seems to run > even better. Its hard to tell anything with the outside temps have been > 35 degrees or lower. Has anyone made the change and what did you > experience? Any comments would be appreciated. > Tex > > > > =========== =========== =========== =========== > > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message lightning-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Lightning-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/lightning-list Browse Digests http://www.matronics.com/digest/lightning-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.