---------------------------------------------------------- RV-List Digest Archive --- Total Messages Posted Mon 09/12/05: 25 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 12:00 AM - Re: Abilene Formation Clinic, 23-25 Sep (charlie heathco) 2. 12:16 AM - Parallel valve Lyc rocker covers. (DEAN PSIROPOULOS) 3. 12:26 AM - Bolt Torque Question... (Matt Johnson) 4. 12:29 AM - New Products from Bob at Fairings-Etc () 5. 12:29 AM - Re: Need a Sender Float (Allen Fulmer) 6. 03:21 AM - Re: Bolt Torque Question... (not processed: message from valid local sender) (Kevin Horton) 7. 05:21 AM - Van's Alternator - 35 Amp Externally Regulated (LarryRobertHelming) 8. 05:47 AM - Re: Bolt Torque Question... (not processed: message from valid local sender) (Nuffer, Chuck) 9. 06:36 AM - Re: ExperCraft build log (Fiveonepw@aol.com) 10. 06:47 AM - Oil Cooler (Mark Rose) 11. 09:18 AM - Re: Bolt Torque Question... (not processed: message from valid local... (MLWynn@aol.com) 12. 10:10 AM - Re: Bolt Torque Question... (Nuffer, Chuck) 13. 10:10 AM - Re: Vertical card compass (Fiveonepw@aol.com) 14. 11:17 AM - Re: Bolt Torque Question... (bcollinsrv7a@comcast.net) 15. 03:30 PM - Re: Bolt Torque Question... (not processed: message from valid local... (Vanremog@aol.com) 16. 03:59 PM - Re: Vision Micro System VM1000 template (RGray67968@aol.com) 17. 04:47 PM - First Flight of N339A (Bill VonDane) 18. 06:53 PM - Re: First Flight of N339A (Charles Rowbotham) 19. 07:16 PM - KFZY 2005 PANCAKE BREAKFAST of the RV forum... link (RV6160hp@aol.com) 20. 07:51 PM - Vacuum system problem (Steve Struyk) 21. 08:11 PM - Re: Vacuum system problem (linn walters) 22. 08:11 PM - Re: New Products from Bob at Fairings-Etc (Chuck) 23. 08:14 PM - Re: Re: How long for Pro Seal (randall) 24. 08:28 PM - Re: Vacuum system problem (Vanremog@aol.com) 25. 08:31 PM - Re: Vacuum system problem (D.Bristol) ________________________________ Message 1 _____________________________________ Time: 12:00:29 AM PST US From: "charlie heathco" Subject: Re: RV-List: Abilene Formation Clinic, 23-25 Sep version=3.0.2 --> RV-List message posted by: "charlie heathco" Hey bro, I have lost Mike Stew adr can you give it to me ? Charlie ----- Original Message ----- From: Subject: RV-List: Abilene Formation Clinic, 23-25 Sep --> RV-List message posted by: sturdy@att.net The Abilene Airfest Formation Flying Clinic will be conducted at Abilene Regional Airport (KABI) on 23-25 Sep. The clinic is being conducted by Stu McCurdy and Mike Stewart and will follow the sequence previously used at our other successful formation clinics. The clinic targets RV type aircraft, but aircraft of similar configuration and airspeeds will be considered. The clinic is held for pilots of all formation backgrounds from no experience to highly experienced, but all registrants should have excellent stick and rudder skills. We generally like a mix of 1/3 no/little experience, 1/3 medium experience, 1/3 highly experienced. Please note we expect participants to be prepared by obtaining and studying referenced materials. To read clinic info, to register, as well as to make your motel reservations, go here http:// AtewsST.org/html/formation_flight_clinic.html. We will limit total participation. Also, please note the block of rooms will be held only until 8 Sep, so early registration is encouraged. Stu McCurdy Falcon Flight FFI RV-8 The Abilene Airfest Formation Flying Clinic will be conducted at Abilene Regional Airport (KABI) on 23-25 Sep. The clinic is being conducted by Stu McCurdy and Mike Stewart and will follow the sequence previously used at our other successful formation clinics. The clinic targets RV type aircraft, but aircraft of similar configuration and airspeeds will be considered. The clinic is held for pilots of all formation backgrounds from no experience to highly experienced, but all registrants should have excellent stick and rudder skills. We generally like a mix of 1/3 no/little experience, 1/3 medium experience, 1/3 highly experienced. Please note we expect participants to be prepared by obtaining and studying referenced materials. To read clinic info, to register, as well as to make your motel reservations, go here http://bigcountryairfest.org/html/formation_flight_clinic.html. We will limit total participation. Also, please note the block of rooms will be held only until 8 Sep, so early registration is encouraged. Stu McCurdy Falcon Flight FFI RV-8 ________________________________ Message 2 _____________________________________ Time: 12:16:26 AM PST US From: "DEAN PSIROPOULOS" Subject: RV-List: Parallel valve Lyc rocker covers. --> RV-List message posted by: "DEAN PSIROPOULOS" Doing baffles on my Mattituck built (ECI) Lycoming parallel valve 0-360 clone. The rocker covers on the front two cylinders seem to have a different contour on the angled portions (that make the transition from the top horizontal portion of the cover to vertical portions). The front (cylinders) covers seem to have more of a rounded shape and the rear covers have what seems to be more of straight angle that leaves more room around the baffle attach screw heads. The net result is that I can NOT fit the front cylinder baffle reinforcement plates because there is not enough clearance between the screw hole and rocker cover. It's so close in fact that I can't even tighten the screw all the way without it hitting the upturned edge of the cover. I have ground most of one side off of several 1/4 inch AN416 washers and put them under the screw to fill this gap and hold things tight while I finish the rest of the baffle work. But... will need to install the reinforcing plates before flying. Question: are there different shaped rocker covers for the parallel valve engines and how does one distinguish (describe) between them? Or am I just being anal and all I need to do is grind a bunch off the reinforcing plates (it looks like I'd have to grind them down till I practically touch the screw hole, and the screw won't tighten down on the baffle without the ground washers so that's why I don't think I have the correct front covers)? ___________________ / \ This area----------->> / \ / \ | | | | | | | | |_________________________| Dean Psiropoulos RV-6A N197DM There's always something...... ________________________________ Message 3 _____________________________________ Time: 12:26:55 AM PST US From: "Matt Johnson" Subject: RV-List: Bolt Torque Question... (not processed: message from valid local sender) --> RV-List message posted by: "Matt Johnson" Matronics website seems to be down so I cannot do a search... I am putting the AN3 bolts into the fuel tank Z-Brackets through the main spar and according to the chart these should be torqued at 25 inch pounds. I know I mentioned this before, but it just feels like it is not tight enough. I can go another half turn after the torque wrench "clicks" with minimal amount of pressure. Just to make sure it wasnt my calibration off I have used two torque wrenches. Anyway, has anyone else been concerned with how loose 25 in. pounds seems to be on these bolts? I just have the urge to snug them down... please advise. P.S. Should I use lock-tite on these bolts? - Matt ________________________________ Message 4 _____________________________________ Time: 12:29:26 AM PST US From: Subject: RV-List: New Products from Bob at Fairings-Etc --> RV-List message posted by: This is an Update of new products I've added and now have for sale. Check out my web site: www.fairings-etc.com New Items: Stainless Steel Wheel Pant Brackets Tip Top Canopy Latch Wing Root Fairings for the RV- 6, -6A, -7, and -7A. Thanks Bob Snedaker bob@fairings-etc.com www.fairings-etc.com 623 203 9795 ________________________________ Message 5 _____________________________________ Time: 12:29:34 AM PST US From: "Allen Fulmer" Subject: RE: RV-List: Need a Sender Float --> RV-List message posted by: "Allen Fulmer" Available from Aircraft spruce: http://www.aircraftspruce.com/catalog/inpages/issgauges.php Bottom of the page: part number 10-01098, 4.95, ISS Wire Float Arm Allen Fulmer RV7 Wings (QB Fuse on hand) Eggenfellner Subaru H6 on order N808AF reserved Alexander City, AL 256-329-2001 -----Original Message----- From: owner-rv-list-server@matronics.com [mailto:owner-rv-list-server@matronics.com]On Behalf Of Vanremog@aol.com Subject: Re: RV-List: Need a Sender Float --> RV-List message posted by: Vanremog@aol.com If anyone out there in RV-land has an extra float from one of the Stewart Warner senders that they would be willing to part with, I would appreciate having it. My hangar-mate (Ex-FAA weather-briefer extraordinaire, Johnny B. Hyde) needs your donation for use on his mini Fokker D7 replica. The auto fuel needed for the HKS engine just keeps eating the epoxy resin off of the corks he has been trying to use on the end of the float wire and I think that a SW sender float would work great in this application. I would be happy to reimburse for shipping. TIA GV (RV-6A N1GV O-360-A1A, C/S, Flying 761hrs, Silicon Valley, CA) ________________________________ Message 6 _____________________________________ Time: 03:21:16 AM PST US From: Kevin Horton Subject: Re: RV-List: Bolt Torque Question... (not processed: message from valid local sender) --> RV-List message posted by: Kevin Horton On 11 Sep 2005, at 18:22, Matt Johnson wrote: > --> RV-List message posted by: "Matt Johnson" > > Matronics website seems to be down so I cannot do a search... > > I am putting the AN3 bolts into the fuel tank Z-Brackets through > the main spar and according to the chart these should be torqued at 25 > inch pounds. I know I mentioned this before, but it just feels like > it is not tight enough. I can go another half turn after the torque > wrench "clicks" with minimal amount of pressure. Just to make sure > it wasnt my calibration off I have used two torque wrenches. > > Anyway, has anyone else been concerned with how loose 25 in. pounds > seems to be on these bolts? I just have the urge to snug them > down... please advise. > > P.S. Should I use lock-tite on these bolts? > 25 in-lbs is the correct torque. This is the standard torque for AN3 bolts, and it is compatible with the bolt strength and the design loads for AN3 bolted joints. The standard torque values take into account the fact that there is additional force put on the bolt once the design load is applied, in some joints. If you exceed the design torque, the bolts might be OK in a static condition, but they could yield if the design load is ever applied. If you decide to exceed the standard torques, you need to do a bunch of engineering analysis to determine the additional force on the joint once the design load is applied. I recommend we leave that task to Van's engineers. The nutplates should keep the bolts from loosening in service, so lock-tite shouldn't be needed, in my opinion. Kevin Horton RV-8 (finishing kit) Ottawa, Canada http://www.kilohotel.com/rv8 ________________________________ Message 7 _____________________________________ Time: 05:21:58 AM PST US From: "LarryRobertHelming" Subject: RV-List: Van's Alternator - 35 Amp Externally Regulated --> RV-List message posted by: "LarryRobertHelming" Well, I am pretty well read on the RV-List about the captioned regulator by Phil, Sam, and others. Mine was bought about 2 years ago and I started flying 5 months and 60 hours ago. I built in a cooling blast tube and pointed it at the back of the alt. I thought I would not have any problems like some many others. This last weekend, my ACS2002 engine monitor by AFS showed no amps being created on start up after a night of camping out at the annual KR flyin at Mount Vernon, Ill. It had worked fine 18 hours earlier. I must admit however that I experienced what some others have reported for a few weeks prior to the failure -- a faint whining sound that seemed to change and run with the rpms. The airport manager/director at Mt. Vernon, Chris Collins and his Father, Ernie (retired Illinois State Police) helped me try to find a replacement alternator. Unfortunately I did not go to a library to access the RV-List. But, Ernie took me to every auto parts store in Mt. Vernon (small town of about 25,000) and could not come up with a replacement part number. So, Chris loaned me a battery charger to replace electrons of a few startups done while debugging the problem and I used the e-buss option in my Lectric Bob wired plane and flew home for the 30 minute flight. Once home I got on the List -- I had the answer in 2 minutes. Nippondenso, 1977 Honda Civic CVCC w/o air, model 14184. What a value the List is. My contribution to Matte each year is well worth my money. If anyone is in Mt. Vernon you will be nicely treated by Chris. He even rolled my plane into a huge hangar and trucked my camping gear to a near by lake for overnight camping. All at no charge even though I tried. What a resource the Mt. Vernon airport has in him. Thanks everyone of you that helped with this solution. Larry Robert Helming, Evansville, IN, RV7 Tip Up, SunSeeker, E-buss option tested and working. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ " Happiness: like a butterfly, when pursued, is always beyond our grasp, but which, if one sits quietly, may light upon you." Nathanial Hawthorn ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ________________________________ Message 8 _____________________________________ Time: 05:47:40 AM PST US Subject: RE: RV-List: Bolt Torque Question... (not processed: message from valid local sender) From: "Nuffer, Chuck" --> RV-List message posted by: "Nuffer, Chuck" Don't forget to account for the static drag generated by the nutplate or nylon in your locking system. This can throw your torque pressure off. You can't really measure this pressure correctly with your typical clicking torque wrench. We use a snap-on with the gauge....... Chuck -----Original Message----- From: owner-rv-list-server@matronics.com [mailto:owner-rv-list-server@matronics.com] On Behalf Of Kevin Horton Subject: Re: RV-List: Bolt Torque Question... (not processed: message from valid local sender) --> RV-List message posted by: Kevin Horton On 11 Sep 2005, at 18:22, Matt Johnson wrote: > --> RV-List message posted by: "Matt Johnson" > > Matronics website seems to be down so I cannot do a search... > > I am putting the AN3 bolts into the fuel tank Z-Brackets through the > main spar and according to the chart these should be torqued at 25 > inch pounds. I know I mentioned this before, but it just feels like it > is not tight enough. I can go another half turn after the torque > wrench "clicks" with minimal amount of pressure. Just to make sure it > wasnt my calibration off I have used two torque wrenches. > > Anyway, has anyone else been concerned with how loose 25 in. pounds > seems to be on these bolts? I just have the urge to snug them down... > please advise. > > P.S. Should I use lock-tite on these bolts? > 25 in-lbs is the correct torque. This is the standard torque for AN3 bolts, and it is compatible with the bolt strength and the design loads for AN3 bolted joints. The standard torque values take into account the fact that there is additional force put on the bolt once the design load is applied, in some joints. If you exceed the design torque, the bolts might be OK in a static condition, but they could yield if the design load is ever applied. If you decide to exceed the standard torques, you need to do a bunch of engineering analysis to determine the additional force on the joint once the design load is applied. I recommend we leave that task to Van's engineers. The nutplates should keep the bolts from loosening in service, so lock-tite shouldn't be needed, in my opinion. Kevin Horton RV-8 (finishing kit) Ottawa, Canada http://www.kilohotel.com/rv8 ________________________________ Message 9 _____________________________________ Time: 06:36:26 AM PST US From: Fiveonepw@aol.com Subject: Re: RV-List: ExperCraft build log --> RV-List message posted by: Fiveonepw@aol.com In a message dated 9/10/05 6:25:44 PM Central Daylight Time, rob@riggen.org writes: > ExperCraft Simple Log is free for builders and is a great way to create a > comprehensive log and Web site. It's very easy to use. > >>>> Ditto that- here's mine: http://websites.expercraft.com/n51pw/ Thanks Rob for a great job and service! Mark Phillips - Columbia, TN RV-6A N51PW 230 hrs do not archive ________________________________ Message 10 ____________________________________ Time: 06:47:47 AM PST US From: "Mark Rose" Subject: RV-List: Oil Cooler --> RV-List message posted by: "Mark Rose" I want to thank everyone for there suggestions on my oil temp problems. I went with Dick Martins solution and have drop my temps from 240 to 195. I put in a 9 row cooler on the #4 baffle where my 7 row was. I set it back 1" on top and 1/2" on the bottom, wow what a difference. Now I can concentrate on the fly off. Thanks again to everyone. Mark Rose N137MR kit no. 81442 ________________________________ Message 11 ____________________________________ Time: 09:18:47 AM PST US From: MLWynn@aol.com Subject: Re: RV-List: Bolt Torque Question... (not processed: message from valid local... --> RV-List message posted by: MLWynn@aol.com Hi Chuck Pardon my ignorance, but what is a "snap-on with the guage"? I have only ever used click-type and vernier gauge torque wrenches. Regards, Michael Wynn RV 8 Empennage (Still) ________________________________ Message 12 ____________________________________ Time: 10:10:31 AM PST US Subject: RE: RV-List: Bolt Torque Question... From: "Nuffer, Chuck" --> RV-List message posted by: "Nuffer, Chuck" Snap-on sells a line of Torque wrenches with a dial to show the specific amount of torque being applied..... You can see all the details on the Snap-on website. http://buy1.snapon.com/catalog/item.asp?P65=&tool=all&item_ID=8566&group _ID=965&store=snapon-store&dir=catalog Chuck -----Original Message----- From: owner-rv-list-server@matronics.com [mailto:owner-rv-list-server@matronics.com] On Behalf Of MLWynn@aol.com Subject: Re: RV-List: Bolt Torque Question... (not processed: message from valid local... --> RV-List message posted by: MLWynn@aol.com Hi Chuck Pardon my ignorance, but what is a "snap-on with the guage"? I have only ever used click-type and vernier gauge torque wrenches. Regards, Michael Wynn RV 8 Empennage (Still) ________________________________ Message 13 ____________________________________ Time: 10:10:31 AM PST US From: Fiveonepw@aol.com Subject: Re: RV-List: Vertical card compass --> RV-List message posted by: Fiveonepw@aol.com In a message dated 9/8/05 11:35:24 PM Central Daylight Time, wgill10@comcast.net writes: > Also, I'd be interested in hearing about the accuracy/reliability from > those that have a vertical card compass. >>> You can see here where mine (PAI-700) is located- very accurate and no interference from either radio mounted directly below it... I like it a lot! http://websites.expercraft.com/n51pw/index.php?q=log_entry&log_id=5256 (Click on foto for larger view) Mark Phillips - Columbia, TN - 230 hrs ________________________________ Message 14 ____________________________________ Time: 11:17:55 AM PST US From: bcollinsrv7a@comcast.net Subject: RE: RV-List: Bolt Torque Question... --> RV-List message posted by: bcollinsrv7a@comcast.net I use a hand squeezer because I don't want to spent the money on a pneumatic squeezer. I used a plumbbob and bubble level to be sure the fuselage because I didn't want to spend the money on the digital levels ($3.69 vs $129 as I recall) I've read all the messages over the years about torque bolts and stuff....basically considering the degree of axis of the earth, the wildcard situation in the American League, and divide by the Gross National Product of Zimbabwe(g). And I KNOW I could always buy a better and more expensive tool....but what I've always done is take the old-fashioned (and cheap) torque wrench (that seems to be calibrated properly because my method achieved the same torque as a fellow RV builder's fancy torque wrench.)...... ...put it on the nut and turn. Since Van's chart says the AN3 should be 20-25 inch pounds, I just leave it at that and align the indicator on the CTW (cheapie torque wrench) to the midpoint between 0 and 50 on the CTW and stop turning (using the high end). Should I plan for this thing to fall from the sky? Bob St. Paul Do not archive I use a hand squeezer because I don't want to spent the money on a pneumatic squeezer. I used a plumbbob and bubble level to be sure the fuselage because I didn't want to spend the money on the digital levels ($3.69 vs $129 as I recall) I've read all the messages over the years about torque bolts and stuff....basically considering the degree of axis of theearth, the wildcard situation in the American League, and divide by the Gross National Product of Zimbabwe(g). And I KNOW I could always buy a better and more expensive tool....but what I've always done is take the old-fashioned (and cheap) torque wrench (that seems to be calibrated properly because my method achieved the same torque as a fellow RV builder's fancy torque wrench.)...... ...put it on the nut and turn. Since Van's chart says the AN3 should be 20-25 inch pounds, I just leave it at that and align the indicator on the CTW (cheapie torque wrench) to the midpoint between 0 and 50 on the CTW and stop turning (using the high end). Should I plan for this thing to fall from the sky? Bob St. Paul Do not archive ________________________________ Message 15 ____________________________________ Time: 03:30:08 PM PST US From: Vanremog@aol.com Subject: Re: RV-List: Bolt Torque Question... (not processed: message from valid local... --> RV-List message posted by: Vanremog@aol.com In a message dated 9/12/2005 5:48:58 A.M. Pacific Daylight Time, CNuffer@it21.com writes: Don't forget to account for the static drag generated by the nutplate or nylon in your locking system. This can throw your torque pressure off. You can't really measure this pressure correctly with your typical clicking torque wrench. We use a snap-on with the gauge....... =========================== Actually, it's force, not pressure that we refer to when we torque something (force at a distance). Pressure is force per unit area. GV (RV-6A N1GV O-360-A1A, C/S, Flying 761hrs, Silicon Valley, CA) ________________________________ Message 16 ____________________________________ Time: 03:59:21 PM PST US From: RGray67968@aol.com Subject: Re: RV-List: Vision Micro System VM1000 template --> RV-List message posted by: RGray67968@aol.com Thanks Ted! Rick Sorry, forgot link. Cad dwg of a panel with the cutout in it. This cad dwg was used as the template for water cutting this panel, so it should be good.. Tha aircraft is now flying. Link here: http://www3.telus.net/elfrench/rv6%20no4.html Ted French RV-10 wings ________________________________ Message 17 ____________________________________ Time: 04:47:57 PM PST US From: "Bill VonDane" Subject: RV-List: First Flight of N339A --> RV-List message posted by: "Bill VonDane" I am forwarding this for a friend... ----- Original Message ----- From: sdcmills@att.net Subject: First Flight of N339A To All, On 9/11/05 at 6:12 PM, N339A made its maiden flight on a beautiful Colorado evening with my good friend Ret. Cdr. Dave Petri at the controls. The EIS engine monitor showed exactly 1:00:00 hour at the completion of the flight. Only issues were a heavy left wing and a slightly high number 4 CHT. I owe a great deal of thanks to many people who have helped me along the way with this project. Dave Petri for being a good friend that is always there when I need help and for steering me in the right direction. Gary Zilik for all of his expert RV building advice and "tool crib". Don MacNiven for flying chase allowing me to see my creation fly and other numerous acts of assistance for which I am very grateful. And mostly to my wife Debra and daughter Cassandra for all their help bucking rivets, dimpling, et all--but mostly for putting up with me for the last 4 years while this project took shape. As for the date of this first flight, it was not picked--it just happened this way. The plane and weather were both ready. I am very proud to have flown my airplane four years after the worst attack on American soil when, at that time, no one was exactly sure what the future of aviation would be. It is a tribute to the resolve of this country that we will not be ruled by terrorists. We are still a free nation in spite of their efforts to change us. Scott Mills N339A (now flying) ________________________________ Message 18 ____________________________________ Time: 06:53:42 PM PST US From: "Charles Rowbotham" Subject: RE: RV-List: First Flight of N339A --> RV-List message posted by: "Charles Rowbotham" Bill, Please relay to Scott our CONGRATULATIONS and WELL DONE !! Chuck & Dave Rowbotham RV-8A >From: "Bill VonDane" >Reply-To: rv-list@matronics.com >To: >Subject: RV-List: First Flight of N339A >Date: Mon, 12 Sep 2005 17:46:41 -0600 > >--> RV-List message posted by: "Bill VonDane" > >I am forwarding this for a friend... > >----- Original Message ----- >From: sdcmills@att.net >Subject: First Flight of N339A > > >To All, > >On 9/11/05 at 6:12 PM, N339A made its maiden flight on a beautiful Colorado >evening with my good friend Ret. Cdr. Dave Petri at the controls. > > >Scott Mills > >N339A (now flying) ________________________________ Message 19 ____________________________________ Time: 07:16:58 PM PST US From: RV6160hp@aol.com Subject: RV-List: KFZY 2005 PANCAKE BREAKFAST of the RV forum... link --> RV-List message posted by: RV6160hp@aol.com Again I state.....Don't know exactly how to share this...but perhaps you can Paste & stick the link... _http://pak06.pictures.aol.com/NASApp/ygp/GuestLogin?event=DirectView&shareInf o=qehO4z9cYlnsLfhBrHJtbm53SUNTeUbDXNklrhFTXoNWGd%2bBXiXp6w%3d%3d&pageName=Albu mViewFromEmails&locale=en_US&locale=en_US_ (http://pak06.pictures.aol.com/NASApp/ygp/GuestLogin?event=DirectView&shareInfo=qehO4z9cYlnsLfhBrHJtbm53SUNTeUbDX NklrhFTXoNWGd+BXiXp6w==&pageName=AlbumViewFromEmails&locale=en_US&locale=en_US ) do not archive Regards FJ2 What a week end!!! ________________________________ Message 20 ____________________________________ Time: 07:51:38 PM PST US From: "Steve Struyk" Subject: RV-List: Vacuum system problem --> RV-List message posted by: "Steve Struyk" I've got a problem with my vacuum system I can't figure out. On my first engine start I discovered that the attitude gyro spins right up and after doing some taxi test, the DG also is working. The problem is with the suction gauge. Even after removing the panel and re-checking the plumbing, the suction gauge still does not show any vacuum yet the gyros work fine. I did a (very unscientific) bench test with a small vacuum cleaner drawing air through the system and the suction gauge worked just fine and the gyros began to spin also. But when in the plane, no joy! I've tried adjusting the regulator but with the same results. What's going on? It seems to work on the bench but not in the plane. Any ideas guys? Thanks in advance. Steve Struyk RV-8, N842S St. Charles, MO. ________________________________ Message 21 ____________________________________ Time: 08:11:05 PM PST US From: linn walters Subject: Re: RV-List: Vacuum system problem --> RV-List message posted by: linn walters I just have to guess that in the airplane you've got the vacuum gauge hooked up to the static side. Have somebody else look over the installation. I've tried troubleshooting a malfunctioning system for hours .... making the same mistake or wrong observation each time .... because I hooked it up that way in the first place! A fresh pair of eyes is invaluable sometimes. Linn do not archive Steve Struyk wrote: >--> RV-List message posted by: "Steve Struyk" > >I've got a problem with my vacuum system I can't figure out. > >On my first engine start I discovered that the attitude gyro spins right up and after doing some taxi test, the DG also is working. The problem is with the suction gauge. Even after removing the panel and re-checking the plumbing, the suction gauge still does not show any vacuum yet the gyros work fine. > >I did a (very unscientific) bench test with a small vacuum cleaner drawing air through the system and the suction gauge worked just fine and the gyros began to spin also. But when in the plane, no joy! > >I've tried adjusting the regulator but with the same results. > >What's going on? It seems to work on the bench but not in the plane. > >Any ideas guys? > >Thanks in advance. > >Steve Struyk >RV-8, N842S >St. Charles, MO. > > > > -- ________________________________ Message 22 ____________________________________ Time: 08:11:13 PM PST US From: Chuck Subject: Re: RV-List: New Products from Bob at Fairings-Etc --> RV-List message posted by: Chuck I can vouch for Bob's high quality work. I hate working with fiberglass and the pieces fit very well straight out of the box. flyingrv@cox.net wrote:--> RV-List message posted by: This is an Update of new products I've added and now have for sale. Check out my web site: www.fairings-etc.com New Items: Stainless Steel Wheel Pant Brackets Tip Top Canopy Latch Wing Root Fairings for the RV- 6, -6A, -7, and -7A. Thanks Bob Snedaker bob@fairings-etc.com www.fairings-etc.com 623 203 9795 ________________________________ Message 23 ____________________________________ Time: 08:14:40 PM PST US From: "randall" Subject: Re: RV-List: Re: How long for Pro Seal --> RV-List message posted by: "randall" I was told by a former airline mechanic that they speed the cure time by just adding more catalyst. He said "hell we'd for days if we just went by the directions so we'd usually double it." FWIW which is virtually nothing, so do not archive. Randall Henderson RV-6 ----- Original Message ----- From: "Rick Galati" Subject: RV-List: Re: How long for Pro Seal > --> RV-List message posted by: Rick Galati > > .................................................Anyone have a good idea how long I should wait before > I put fuel in it and fly again?...................................................................... ................... > > > Mark, > > Now that is a very good question. You are likely to get opinions all over the map on open forums such as this. Play it safe. If it were my fuel tank, I'd contact a qualified tech rep and get a truly informed response. Short of that, I'd wait at least a week........based upon personal opinion. > > Rick Galati RV-6A "Darla" 76 hours > > ________________________________ Message 24 ____________________________________ Time: 08:28:15 PM PST US From: Vanremog@aol.com Subject: Re: RV-List: Vacuum system problem --> RV-List message posted by: Vanremog@aol.com In a message dated 9/12/2005 8:12:11 P.M. Pacific Daylight Time, you write: On my first engine start I discovered that the attitude gyro spins right up and after doing some taxi test, the DG also is working. The problem is with the suction gauge. Even after removing the panel and re-checking the plumbing, the suction gauge still does not show any vacuum yet the gyros work fine. ======================================== The P port goes to your vacuum source line (P stands for Pressure, even though it is negative pressure or Vacuum). The V port should be left open (V stands for Vent) to cabin pressure, as the input to the vacuum filter is at cabin ambient pressure and what you are measuring is pressure drop off the vacuum regulator relative to the intake. GV (RV-6A N1GV O-360-A1A, C/S, Flying 761hrs, Silicon Valley, CA) ________________________________ Message 25 ____________________________________ Time: 08:31:30 PM PST US From: "D.Bristol" Subject: Re: RV-List: Vacuum system problem --> RV-List message posted by: "D.Bristol" Are you sure that the gauge is connected properly? Most are marked "P" and "V", meaning pressure (or suction) and vent. The "V" does not indicate vacuum. So, the vacuum pump should connect to the "P" and the "V" is ambient. It's a strange way to mark it and I've seen them connected backwards many times. Dave -6 So Cal EAA Technical Counselor Steve Struyk wrote: >--> RV-List message posted by: "Steve Struyk" > >I've got a problem with my vacuum system I can't figure out. > >On my first engine start I discovered that the attitude gyro spins right up and after doing some taxi test, the DG also is working. The problem is with the suction gauge. Even after removing the panel and re-checking the plumbing, the suction gauge still does not show any vacuum yet the gyros work fine. > >I did a (very unscientific) bench test with a small vacuum cleaner drawing air through the system and the suction gauge worked just fine and the gyros began to spin also. But when in the plane, no joy! > >I've tried adjusting the regulator but with the same results. > >What's going on? It seems to work on the bench but not in the plane. > >Any ideas guys? > >Thanks in advance. > >Steve Struyk >RV-8, N842S >St. Charles, MO. > > > >