---------------------------------------------------------- Yak-List Digest Archive --- Total Messages Posted Mon 08/27/12: 5 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 07:47 AM - V-530 prop maintenance in EU (ALEXGTPROPELLERS) 2. 04:55 PM - m-14p test (gjhagstrom@aol.com) 3. 05:31 PM - Surge in M-14P (gjhagstrom@aol.com) 4. 06:04 PM - Re: Surge in M-14P (Roger Kemp M.D.) 5. 09:28 PM - Re: Surge in M-14P (Gary Gabbard) ________________________________ Message 1 _____________________________________ Time: 07:47:33 AM PST US Subject: Yak-List: V-530 prop maintenance in EU From: "ALEXGTPROPELLERS" New V 530 prop service in Europe. HI all. Im glad to inform all of you especially those Yakkers flying in Europe that a new member has joined our maintenance department. He brings with him 35 years experience working on Agusta rotors. This will allow us to enhance our professional service on all V-530 hubs. Complete hub inspection CND Removal of any corrosion Replace of internal damaged or old and worn parts, Internal parts upgrade, Static hub balancing. New surface treatments and paint. The full service is also includes either the installation of new GT blades or overhaul of original Russian blades. Your V-530 D prop will run like never did before ! For further information. maintenance@gt-propellers.com info@gt-propellers.com Thanks and best regards. Alex Read this topic online here: http://forums.matronics.com/viewtopic.php?p=381924#381924 Attachments: http://forums.matronics.com//files/diaz_2194_136.jpg ________________________________ Message 2 _____________________________________ Time: 04:55:46 PM PST US Subject: Yak-List: m-14p test From: gjhagstrom@aol.com ________________________________ Message 3 _____________________________________ Time: 05:31:50 PM PST US Subject: Yak-List: Surge in M-14P From: gjhagstrom@aol.com I am having an issue wth an surge of +/- 50 RPM at full power or cruise (1700rpm) WOT. Begins above 2000ft altitude .Does not surge during static g round run or takeoff. Will sometimes surge +/- 200 RPM airborne . Sure get s your attention. Fuel flow and all other gauges normal . Cylinder head te mperature 260-300 degrees F. Have inspected the carb and prop governor . Bu t everything appears normal w/o teardown. Prop is a Chinese JL-2B. Fuel is 100ll av gas. TT on engine and prop 312 hours I have thought about putting a manual mixture control on. . Any ideas which way to troubleshoot ? Thanks, Gary Hagstrom CJ-6A N34FP ________________________________ Message 4 _____________________________________ Time: 06:04:44 PM PST US Subject: Re: Yak-List: Surge in M-14P From: "Roger Kemp M.D." How old is your carb's diaphragm? Doc Sent from my iPad On Aug 27, 2012, at 7:29 PM, gjhagstrom@aol.com wrote: > I am having an issue wth an surge of +/- 50 RPM at full power or cruise (1700rpm) WOT. Begins above 2000ft altitude .Does not surge during static g round run or takeoff. Will sometimes surge +/- 200 RPM airborne . Sure gets your attention. Fuel flow and all other gauges normal . Cylinder head temp erature 260-300 degrees F. Have inspected the carb and prop governor . But e verything appears normal w/o teardown. Prop is a Chinese JL-2B. Fuel is 100 ll av gas. TT on engine and prop 312 hours > I have thought about putting a manual mixture control on. > . Any ideas which way to troubleshoot ? > > Thanks, > Gary Hagstrom > CJ-6A N34FP > > ========================== ========= ========================== ========= ========================== ========= ========================== ========= > ________________________________ Message 5 _____________________________________ Time: 09:28:45 PM PST US Subject: Re: Yak-List: Surge in M-14P From: Gary Gabbard Hi Gary, Gary here in LAS. I had the same problem for a lot of hrs after I installed the M-14P. Then it got really bad. Finally traced it to air being sucked in around the manual wobble pump shaft. So tried to seal pump shaft, still had the problem. Must not have got the shaft sealed well, still had problem. So removed the wobble pump and replaced it with an electric pump Problem went away. Has run fine ever since So good luck. Gary. CJ22YK Sent from my iPhone On Aug 27, 2012, at 18:02, "Roger Kemp M.D." wrote : > How old is your carb's diaphragm? > Doc > > Sent from my iPad > > On Aug 27, 2012, at 7:29 PM, gjhagstrom@aol.com wrote: > >> I am having an issue wth an surge of +/- 50 RPM at full power or cruise (1700rpm) WOT. Begins above 2000ft altitude .Does not surge during static g round run or takeoff. Will sometimes surge +/- 200 RPM airborne . Sure gets your attention. Fuel flow and all other gauges normal . Cylinder head temp erature 260-300 degrees F. Have inspected the carb and prop governor . But e verything appears normal w/o teardown. Prop is a Chinese JL-2B. Fuel is 100 ll av gas. TT on engine and prop 312 hours >> I have thought about putting a manual mixture control on. >> . Any ideas which way to troubleshoot ? >> >> Thanks, >> Gary Hagstrom >> CJ-6A N34FP >> >> >> > > 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message yak-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Yak-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/yak-list Browse Digests http://www.matronics.com/digest/yak-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.