---------------------------------------------------------- Europa-List Digest Archive --- Total Messages Posted Sun 04/07/24: 3 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 12:48 AM - test (John Kirkegaard) 2. 01:38 AM - test (John Kirkegaard) 3. 05:03 PM - Re: 914 Airbox Support (William Daniell) ________________________________ Message 1 _____________________________________ Time: 12:48:57 AM PST US From: John Kirkegaard Subject: Europa-List: test ________________________________ Message 2 _____________________________________ Time: 01:38:45 AM PST US From: John Kirkegaard Subject: Europa-List: test ________________________________ Message 3 _____________________________________ Time: 05:03:49 PM PST US From: William Daniell Subject: Re: Europa-List: 914 Airbox Support on my turbo 912 I use a giant zip tie round the engine mount and the airbox with a piece of 1/2 inch hose in between(x 2 - one at each end of the airbox.) William Daniell LONGPORT +1 786 878 0246 On Sat, Apr 6, 2024 at 2:10=AFPM Bud Yerly wrote: > Some miscellaneous ramblings on the airbox. > > As stated, your engine airbox depends on the year group. > > My 1998 timeframe engine also has no brace. The only time a brace is nic e > on the non braced airbox mod (done sometime around 2010), is when using a > thin silicone turbo discharge hose connected to the airbox. (The heavy > double or triple braided black hose supplied by Rotax on the old engines > was quite stiff and combined with the carb sockets at the manifold and ho se > clamps kept the airbox on securely (nearly all the time with balanced > carbs.) The issue with the airbox in the old days was it kept sliding of f > the port carb due to oil accumulation. If you flew often, the oil thrown > out of the turbo was but a wisp and if the engine was well tuned it staye d > put. If you didn't fly often and the 2-inch hose became oil soaked, then > the plenum hose to carb would slide off (especially at full boost) and if > the carbs were not well synchronized (read as "shaky engine") it slid off > fairly often just when you didn't want it to. I found the used 914 I boug ht > had carbs that were no longer a matched set any more due to some wear in > the piston throat, as the pistons were well out of sync. I bought two ne w > matched carbs and with that carb change, proper tuning, and cleaning my > airbox to carb rubbers, all stayed where put and the engine ran flawless > now for 10 years. Even after I upgraded the TCU to give me 40 inches > takeoff power it stayed put. > > If equipped with old oil soaked hoses or a thin silicone discharge hose, > or you left your carb to airbox hoses get really oil soaked, it is pruden t > to clean your airbox to carb rubber hose with acetone or similar solvent to > make them squeaky clean (or replace them). (Washing your intake plenum ou t > helps also.) To assist in security of a shaky engine, a couple of padded > hose clamps and a piece of sheet metal could hold the airbox firmly to th e > ring mount to prevent slipping. Also, a couple of Adel Clamps and a piec e > of tube and bolts could work also on the older manifold without welding o n > a bung like the new airbox has. In a pinch, a piece of safety wire on th e > port side to the ring mount frame at the upper block bolt was also OK at > preventing the plenum from slipping aft but only temporarily. A nicely > made piece of .040 aluminum with a bit of a bevel for stiffness on the > edges or a flute down the middle and nicely formed ends could in fact hol d > the box firmly in place and at the same time keep it from sliding off. T o > remove the carbs for cleaning, or to flush the accumulation of turbo oil > out of the plenum after setting a long time, it only required removing th e > bolt between the Adels the two carb clamps and it was free. > > Once I had perfectly synchronized carb pistons and flew more often, I > never again had an issue. Someplace in the shop I still have my Adel > Clamps, a long bolt and tube just in case because I wondered about this n ew > silicone turbo hose I added this year and it's contribution to airbox > security. Today my plane has sat for two years due to a wing delam repai r > and repaint, a number of upgrades and some other issues my old Classic ha s, > however, today my procedure is to suck the oil out of the turbo cold side > before start if it has sat (for months) and it seems to run very well. I > hope to get the motivation to fly it again this summer. It's too good of > an airplane to just sit. My health is now pretty good, and I just flew a > ride with a local instructor in a 172 and will fly some more proficiency > flights to get my air sense back and return to Europa Flying. My civilia n > CFI says I'm more than proficient enough, however, he has some learning t o > do. There is a difference between currency and proficiency. I've only > flown 2 hours in two years with 3 landings in the last 30 days which is n ot > proficiency in my book. Now to take him out and wring out the 172 and ge t > him to understand why an airplane does certain things and as an instructo r > know how to rectify student mistakes. > > Have fun guys, the flying season is now arriving. The spring storms will > subside soon and adventure awaits... > > Bud Yerly > > > ------------------------------ > *From:* owner-europa-list-server@matronics.com < > owner-europa-list-server@matronics.com> on behalf of Roger Sheridan < > rogersheridan@gmail.com> > *Sent:* Saturday, April 6, 2024 8:21 AM > *To:* Europa List > *Subject:* Europa-List: 914 Airbox Support > m > > > > Hi Everyone, > > I am refurbishing an XS 914 installation & am mildly concerned that the > Rotax airbox/plenum seems to be only supported by the carb mount rubbers. > > During a heavy landing there must be a lot of stress there! > > On the 912S installation Europa support their lighter airbox with an > aluminium strap to the engine frame. > > Has anybody added such a support to their 914? > > Grateful for any feedback from 914 operators. > > Best regards, > > Roger > ========== > st Email Forum - > pa-List" id="OWA84ef5614-ca1d-fc24-0c41-d8f26da56a8b" class="OWAAutoL ink" > data-auth="NotApplicable"> > https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mat ronics.com%2FNavigator%3FEuropa-List&data=05%7C02%7C%7C84f98b660a7e477ae6 c808dc563482d4%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638480030745619 292%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1 haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=pekNiH4aekpokmv6vQMX0x8z%2BAQ%2Fhk yASsFAy1IIuNw%3D&reserved=0 > ========== > p; - MATRONICS WEB FORUMS - > 1e8a846a-d5fb-640d-c872-39e3781d8b33" class="OWAAutoLink" > data-auth="NotApplicable"> > https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fforums. matronics.com%2F&data=05%7C02%7C%7C84f98b660a7e477ae6c808dc563482d4%7C84d f9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638480030745633929%7CUnknown%7CTWFp bGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D% 7C0%7C%7C%7C&sdata=pIFDaJyHKLC7oYyIcmPTi85Htyi1qjz%2Fs1Sv0KcY%2BZc%3D&res erved=0 > ========== > p; - NEW MATRONICS LIST WIKI - > f1e0fa-0b8a-0a83-b107-abb585b40165" class="OWAAutoLink" > data-auth="NotApplicable"> > https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwiki.ma tronics.com%2F&data=05%7C02%7C%7C84f98b660a7e477ae6c808dc563482d4%7C84df9 e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638480030745645261%7CUnknown%7CTWFpbG Zsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C 0%7C%7C%7C&sdata=CgfeuqD9hbSfq%2BlHjS0Xuow1v0pJOCJpCK3H5ZubsLg%3D&reserve d=0 > ========== > p; - List Contribution Web Site - > p; -Matt Dralle, List Admin. > ="OWAfb76c392-0c78-b48a-db44-995c121dc500" class="OWAAutoLink" > data-auth="NotApplicable"> > https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmatron ics.com%2Fcontribution&data=05%7C02%7C%7C84f98b660a7e477ae6c808dc563482d4 %7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638480030745656254%7CUnknown% 7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6M n0%3D%7C0%7C%7C%7C&sdata=uqtaS4DXZuovWh%2Fc4Q%2BxRZdqti2yxHikuYZhdHIBPBQ% 3D&reserved=0 > ========== > > ------------------------------------------------------------------------------------- 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.