---------------------------------------------------------- Europa-List Digest Archive --- Total Messages Posted Thu 10/09/08: 5 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 10:20 AM - Re: PRESS RELEASE (rparigoris) 2. 10:55 AM - Re: PRESS RELEASE (Robert Borger) 3. 04:57 PM - engine surging (ken carpenter) 4. 05:27 PM - Re: engine surging (Garry) 5. 06:21 PM - Re: engine surging (Paul McAllister) ________________________________ Message 1 _____________________________________ Time: 10:20:31 AM PST US Subject: Re: Europa-List: PRESS RELEASE From: "rparigoris" Hi Dave Best wishes on your venture with Europa! As far as a major benefit to the Europa community goes, and a suggestion if I may: WE NEED NEV BACK!!!! He has been a tremendous help to our XS build, taking time to answer my questions (VAST SUM OF!---), many of which when he was off payroll. Dedication well beyond the call of duty. His knowledge base, talent and practical approach to problem resolution I am sure would be a tremendous asset to you. My vote is cast. Sincerely Ron Parigoris Visit - www.EuropaOwners.org ________________________________ Message 2 _____________________________________ Time: 10:55:50 AM PST US From: Robert Borger Subject: Re: Europa-List: PRESS RELEASE Dave, HERE! HERE! I second the motion! Bob Borger On Thursday, October 09, 2008, at 12:19PM, "rparigoris" wrote: > >Hi Dave > >Best wishes on your venture with Europa! > >As far as a major benefit to the Europa community goes, and a suggestion if I may: >WE NEED NEV BACK!!!! > >He has been a tremendous help to our XS build, taking time to answer my questions (VAST SUM OF!---), many of which when he was off payroll. Dedication well beyond the call of duty. > >His knowledge base, talent and practical approach to problem resolution I am sure would be a tremendous asset to you. > >My vote is cast. > >Sincerely >Ron Parigoris > > >Visit - www.EuropaOwners.org > > ________________________________ Message 3 _____________________________________ Time: 04:57:01 PM PST US From: "ken carpenter" Subject: Europa-List: engine surging I have had a problem of the engine surging. It began abruptly. The previous flights were normal. I am at 500 hours without engine problems. Now, when I advance the throttle the last one inch(turbo comes in) the engine starts drops RPM even to the range of 3000. If I advance the throttle up to about 5500 it runs smoothly, but beyond that it starts to surge and will continue varying from 3000 to 4000. I have ruled out any problem with the Airmaster Prop. The surging is too fast for it to be the prop changing pitch. I talked with Lockwood and they suggested the carbs need to be overhauled. They suggested the fuel pumps might be clogged, but checked that and it runs the same pressure it has for 500 hours. The turbo waste gate cycles correctly(I think)when turning on the master switch and the turbo spins freely. does the carb need overhauling or cleaning at 500 hours? Anyone had this problem? Ken Carpenter N 9XS Mono 914 ________________________________ Message 4 _____________________________________ Time: 05:27:18 PM PST US From: "Garry" Subject: Re: Europa-List: engine surging Ken, yes the carbs need cleaning and overhauling on a regular basis. My experience with my 914 is about every 300 hours. You're fortunate you've made it to 500 hours. I took my plane to Kerry at Lockwood and he did the overhaul in about 2 hours. The price was reasonable and the engine ran beautifully afterward. What happens is that the carbs accumulate something they call "snot", which looks like it sounds. Causes all sorts of problems. Best of luck, Garry Stout ----- Original Message ----- From: ken carpenter To: europa-list@matronics.com Sent: Thursday, October 09, 2008 7:53 PM Subject: Europa-List: engine surging I have had a problem of the engine surging. It began abruptly. The previous flights were normal. I am at 500 hours without engine problems. Now, when I advance the throttle the last one inch(turbo comes in) the engine starts drops RPM even to the range of 3000. If I advance the throttle up to about 5500 it runs smoothly, but beyond that it starts to surge and will continue varying from 3000 to 4000. I have ruled out any problem with the Airmaster Prop. The surging is too fast for it to be the prop changing pitch. I talked with Lockwood and they suggested the carbs need to be overhauled. They suggested the fuel pumps might be clogged, but checked that and it runs the same pressure it has for 500 hours. The turbo waste gate cycles correctly(I think)when turning on the master switch and the turbo spins freely. does the carb need overhauling or cleaning at 500 hours? Anyone had this problem? Ken Carpenter N 9XS Mono 914 ________________________________ Message 5 _____________________________________ Time: 06:21:49 PM PST US From: "Paul McAllister" Subject: Re: Europa-List: engine surging Hi Folks, Could I offer a contrary view? I got to 600 hours on my 914 with no sign off issues wih the carbs, but on the adivce of many I sent my carbs into Lockwood to have them overhauled. What a mistake, the airplane now uses .3 to .4 more gallons per hour than before and it took me 4 tries to get the inlet system sealed up again so I could get maximum boost. Actually it still is not right, I can only get 27 inches and 16k feet and I should be able to get 34" so the darn thong is still leaking. With that said, it may well be your carbs, but the first place I would go is fuel filters, then look at the fuel pressure (needs to be measured differentially), then onto the turbo waste gate. What you will need to do is disconnect the cable and move it by hand to check for "stickyness". After all of the above, yep, I'd mess with the carbs. Just my 2 cents worth. 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