---------------------------------------------------------- RV-List Digest Archive --- Total Messages Posted Sat 05/24/03: 22 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 03:23 AM - Re: Adnair fuel valve concern (Dean Pichon) 2. 04:59 AM - Re: Adnair fuel valve concern (Gordon or Marge Comfort) 3. 06:55 AM - Re: Adnair fuel valve concern (Konrad Werner) 4. 07:37 AM - Duckworks lights (Ken Simmons) 5. 08:25 AM - Fuel - get the lead out (Myths) (kempthornes) 6. 10:27 AM - Re: Adnair fuel valve concern (Dean Pichon) 7. 10:34 AM - Re: Andair fuel valve concern (Jerry2DT@aol.com) 8. 10:49 AM - Re: Re: Andair fuel valve concern (Jerry Springer) 9. 11:54 AM - Off topic- old Sport Aviation mag (Jeff Point) 10. 12:25 PM - Re: Adnair fuel valve concern (Mark Phillips) 11. 12:36 PM - Re: Re: Andair fuel valve concern (kempthornes) 12. 12:38 PM - Re: Re: Andair fuel valve concern (Jim Norman) 13. 12:42 PM - Re: Off topic- old Sport Aviation mag (John) 14. 01:14 PM - Re: Re: Andair fuel valve concern (Gert) 15. 01:17 PM - Re: Re: Andair fuel valve concern (Gert) 16. 01:36 PM - Re: Re: Andair fuel valve concern (Jim Norman) 17. 02:27 PM - Fw: Re: Andair fuel valve concern (Elsa & Henry) 18. 06:00 PM - wing tip installation pictures (lucky macy) 19. 07:17 PM - Re: Adnair fuel valve concern (Charlie & Tupper England) 20. 07:42 PM - Re: Off topic- old Sport Aviation mag (David Taylor) 21. 07:55 PM - Re: Off topic- old Sport Aviation mag (David Taylor) 22. 08:16 PM - For Sale - Hour meter and oil swith (Don Mack) ________________________________ Message 1 _____________________________________ Time: 03:23:38 AM PST US From: "Dean Pichon" Subject: Re: RV-List: Adnair fuel valve concern --> RV-List message posted by: "Dean Pichon" As several have already said, you don't want to fly while sucking gas from both tanks. I believe the Andair valve construction allows to occur soley to ensure that fuel is available during the switching process. Imagine switching from Left to Right (while flying) using a valve that while between the left and right detent positions allowed no flow from either tanks. One would want to turn that lovely red lever incredibly fast. Dean Pichon RV-4 Morgantown, WV ----- Original Message ----- From: Jerry2DT@aol.com Subject: RV-List: Adnair fuel valve concern --> RV-List message posted by: Jerry2DT@aol.com Fellow Listers.... I'm installing an Andair 3-port valve in my RV6a, that is left, right, and engine. I see it's possible to feed from both tanks however, if valve is placed between. I believe this is a no-no on RV's, am I right? Not that it is likely to happen, as the valve has positive detents for left/right positioning. Thing is though, it can happen, and having intimate knowledge of Mr. Murphy's law, just wondering if anyone else has noodled about this or has an answer or opinion. I'd like to eliminate as many "it probably won't happen"'s from my airplane as possible. Yes, I did email Andair about it a week ago. No answer... Also checked archives to no avail. BTW, the valve itself is of jewel-like construction, a lot prettier than the old brass valve, which did not have this prolem... My old C-172 had a "both" position, and I hate to expose my ignorance in front of everyone, but why is it our RV's are not supposed to use that position, anyone know? Jerry Cochran Wilsonville, OR -6a 70/80 ________________________________ Message 2 _____________________________________ Time: 04:59:37 AM PST US From: "Gordon or Marge Comfort" Subject: Re: RV-List: Adnair fuel valve concern --> RV-List message posted by: "Gordon or Marge Comfort" Subject: Re: RV-List: Adnair fuel valve concern I believe this is a no-no on RV's, am I right? Not that it is likely > >to happen, as the valve has positive detents for left/right positioning. Thing > >is though, it can happen, and having intimate knowledge of Mr. Murphy's law, > >just wondering if anyone else has noodled about this or has an answer or > >opinion. I'd like to eliminate as many "it probably won't happen"'s from my > >airplane as possible. >anyone know? > > > >Jerry Cochran > > I believe that having the valve inadventently in the "both" position > could only be a problem if your fuel state was low enough that one > tank ran dry. So, in the vast majority of your flight hours this > should not be a problem, as long as you didn't leave it in "both" too > long. I suspect that one tank would probably feed faster than the > other, as you probably wouldn't have the selector perfectly centred > between tanks. So one tank would eventually run dry, and the engine > would stop. Jerry, Kevin: Not only is it likely that one tank will feed faster, it may well deliver fuel from one tank to the other. If the receiving tank is close to full, then fuel will go overboard either from the cap or the vent. Gordon Comfort N363GC ________________________________ Message 3 _____________________________________ Time: 06:55:59 AM PST US From: "Konrad Werner" Subject: Re: RV-List: Adnair fuel valve concern --> RV-List message posted by: "Konrad Werner" >> . . . no flow from either tank . . . Hmm? How much flow is there in the second it takes to switch tanks? Lets see and assume: 10 gph x ~231 c.i./gal ~2310 c.i. per hour. ~2310 c.i.ph / 3600 seconds ~0.6416666 (or roughly 2/3rds. of one Cubic Inch) of Fuel in the second it takes to switch tanks? BTW: If you would burn ~7.8 GPH then it takes 1/2 Cubic Inch per switching second. Huh, what that coffee does to my early Sat.Morning Brain Activity. (I was just curious about the numbers, and to see if I was UP YET?) Do Not Archive ----- Original Message ----- From: Dean Pichon To: rv-list Sent: Saturday, May 24, 2003 4:23 AM Subject: Re: RV-List: Adnair fuel valve concern --> RV-List message posted by: "Dean Pichon" As several have already said, you don't want to fly while sucking gas from both tanks. I believe the Andair valve construction allows to occur soley to ensure that fuel is available during the switching process. Imagine switching from Left to Right (while flying) using a valve that while between the left and right detent positions allowed no flow from either tanks. One would want to turn that lovely red lever incredibly fast. Dean Pichon RV-4 Morgantown, WV ----- Original Message ----- From: Jerry2DT@aol.com To: rv-list@matronics.com Subject: RV-List: Adnair fuel valve concern --> RV-List message posted by: Jerry2DT@aol.com Fellow Listers.... I'm installing an Andair 3-port valve in my RV6a, that is left, right, and engine. I see it's possible to feed from both tanks however, if valve is placed between. I believe this is a no-no on RV's, am I right? Not that it is likely to happen, as the valve has positive detents for left/right positioning. Thing is though, it can happen, and having intimate knowledge of Mr. Murphy's law, just wondering if anyone else has noodled about this or has an answer or opinion. I'd like to eliminate as many "it probably won't happen"'s from my airplane as possible. Yes, I did email Andair about it a week ago. No answer... Also checked archives to no avail. BTW, the valve itself is of jewel-like construction, a lot prettier than the old brass valve, which did not have this prolem... My old C-172 had a "both" position, and I hate to expose my ignorance in front of everyone, but why is it our RV's are not supposed to use that position, anyone know? Jerry Cochran Wilsonville, OR -6a 70/80 ________________________________ Message 4 _____________________________________ Time: 07:37:01 AM PST US From: "Ken Simmons" Subject: RV-List: Duckworks lights --> RV-List message posted by: "Ken Simmons" I've got the round Duckworks light going in an 8. The plans are a little confusing/contradictory about the platenuts on the ribs. The drawing shows two platenuts on the top of the rib, but the template only shows one. The plans say to drill six holes then it only says to install four platenuts. I assume the extra hole is for more flexibility in aiming, but is this extra platenut not necessary anymore? Ken ________________________________ Message 5 _____________________________________ Time: 08:25:26 AM PST US From: kempthornes Subject: RV-List: Fuel - get the lead out (Myths) --> RV-List message posted by: kempthornes As to the history of leaded fuels, I found this in my very old CAA (FAA) book entitled Aircraft Powerplant Handbook dated 1949 (CAA Technical Manual No. 107) On page 172 it says that since Pearl Harbor --- "Efforts are constantly being made to increase the octane and grade rating of all gasolines by careful blending of the hydrocarbons, and also by adding small quantities of ethyl fluid, which contains tetraethyl lead, ethylene dibromide, and aniline dye." To me, this says that the purpose of lead is to increase octane rating. See also this on Avweb (which says lubrication idea is a myth & reps at Lycoming & Continental aren't authoritative): http://www.avweb.com/news/columns/182149-1.html I believe it is becoming more common for "spam can drivers" to look to us experimental types for accurate, up to date, information about airplanes. I feel we should help put away the old wives tales that abound. K. H. (Hal) Kempthorne RV6-a N7HK flying! PRB (El Paso de Robles, CA) ________________________________ Message 6 _____________________________________ Time: 10:27:01 AM PST US From: "Dean Pichon" Subject: Re: RV-List: Adnair fuel valve concern --> RV-List message posted by: "Dean Pichon" An interesting test would be to switch tanks by passing through the "Off" position... (while flying, of course) Do not archive ----- Original Message ----- From: Konrad Werner Subject: Re: RV-List: Adnair fuel valve concern --> RV-List message posted by: "Konrad Werner" >> . . . no flow from either tank . . . Hmm? How much flow is there in the second it takes to switch tanks? Lets see and assume: 10 gph x ~231 c.i./gal ~2310 c.i. per hour. ~2310 c.i.ph / 3600 seconds ~0.6416666 (or roughly 2/3rds. of one Cubic Inch) of Fuel in the second it takes to switch tanks? BTW: If you would burn ~7.8 GPH then it takes 1/2 Cubic Inch per switching second. Huh, what that coffee does to my early Sat.Morning Brain Activity. (I was just curious about the numbers, and to see if I was UP YET?) Do Not Archive ----- Original Message ----- From: Dean Pichon To: rv-list Sent: Saturday, May 24, 2003 4:23 AM Subject: Re: RV-List: Adnair fuel valve concern --> RV-List message posted by: "Dean Pichon" As several have already said, you don't want to fly while sucking gas from both tanks. I believe the Andair valve construction allows to occur soley to ensure that fuel is available during the switching process. Imagine switching from Left to Right (while flying) using a valve that while between the left and right detent positions allowed no flow from either tanks. One would want to turn that lovely red lever incredibly fast. Dean Pichon RV-4 Morgantown, WV ----- Original Message ----- From: Jerry2DT@aol.com To: rv-list@matronics.com Subject: RV-List: Adnair fuel valve concern --> RV-List message posted by: Jerry2DT@aol.com Fellow Listers.... I'm installing an Andair 3-port valve in my RV6a, that is left, right, and engine. I see it's possible to feed from both tanks however, if valve is placed between. I believe this is a no-no on RV's, am I right? Not that it is likely to happen, as the valve has positive detents for left/right positioning. Thing is though, it can happen, and having intimate knowledge of Mr. Murphy's law, just wondering if anyone else has noodled about this or has an answer or opinion. I'd like to eliminate as many "it probably won't happen"'s from my airplane as possible. Yes, I did email Andair about it a week ago. No answer... Also checked archives to no avail. BTW, the valve itself is of jewel-like construction, a lot prettier than the old brass valve, which did not have this prolem... My old C-172 had a "both" position, and I hate to expose my ignorance in front of everyone, but why is it our RV's are not supposed to use that position, anyone know? Jerry Cochran Wilsonville, OR -6a 70/80 ________________________________ Message 7 _____________________________________ Time: 10:34:24 AM PST US From: Jerry2DT@aol.com Subject: RV-List: Re: Andair fuel valve concern --> RV-List message posted by: Jerry2DT@aol.com Thanks to all for the input... Guess I'll stick a placard on in case I ever sell it and to remind myself... It just is curious to me that Andair goes to great extent to make this high end valve with a positive lock to keep from going to "Off" position, but very possible to inadvertantly position in "both" which "could" be a problem. If the Andair wasn't so purty, I'd be tempted to go back to the old "Queen Mary" brass valve that was also used on 1976 Ford pickups, and does not have this problem.... Cheers, Jerry Cochran Wilsonville, OR RV6a/FWF ________________________________ Message 8 _____________________________________ Time: 10:49:23 AM PST US From: Jerry Springer Subject: Re: RV-List: Re: Andair fuel valve concern --> RV-List message posted by: Jerry Springer Jerry2DT@aol.com wrote: > --> RV-List message posted by: Jerry2DT@aol.com > > Thanks to all for the input... Guess I'll stick a placard on in case I ever > sell it and to remind myself... It just is curious to me that Andair goes to > great extent to make this high end valve with a positive lock to keep from going > to "Off" position, but very possible to inadvertantly position in "both" > which "could" be a problem. If the Andair wasn't so purty, I'd be tempted to go > back to the old "Queen Mary" brass valve that was also used on 1976 Ford > pickups, and does not have this problem.... > > Cheers, > > Jerry Cochran > Wilsonville, OR > RV6a/FWF > > Jerry, I can't believe this is even an issue if there are positive detent/locks for the tank in use. I certainly never switch my tanks without without visually checking the handle to make sure it is position I want it to be in. Jerry ________________________________ Message 9 _____________________________________ Time: 11:54:16 AM PST US From: Jeff Point Subject: RV-List: Off topic- old Sport Aviation mag --> RV-List message posted by: Jeff Point Can anybody out there help me track down a copy of the October 1973 Sport Aviation magazine? If anyone has one, please contact me off list. I would like to get a photocopy of something in the magazine. Thanks Jeff Point RV-6 FWF Milwaukee WI do not archive ________________________________ Message 10 ____________________________________ Time: 12:25:04 PM PST US From: Mark Phillips Subject: Re: RV-List: Adnair fuel valve concern --> RV-List message posted by: Mark Phillips OK Konrad- have another cup and figure out what % float bowl volume will be depleted during same one-second switchover @ same flow rate............(and I have no ideer what that volume be, neither!) 8-) Better yet, include time to starvation assuming float set properly- THEN we'll have some useful data! (or maybe we should just try this during test phase anyway) Now the F.I. folks may not have a similar accumulator (float bowl), so y'all "might" have a problem? From the PossumWorks Mark - do not archive this one neither! Konrad Werner wrote: > --> RV-List message posted by: "Konrad Werner" > > >> . . . no flow from either tank . . . > > Hmm? How much flow is there in the second it takes to switch tanks? Lets see and assume: > > 10 gph x ~231 c.i./gal ~2310 c.i. per hour. > ~2310 c.i.ph / 3600 seconds ~0.6416666 > (or roughly 2/3rds. of one Cubic Inch) of Fuel in the second it takes to switch tanks? > > BTW: If you would burn ~7.8 GPH then it takes 1/2 Cubic Inch per switching second. > > Huh, what that coffee does to my early Sat.Morning Brain Activity. > (I was just curious about the numbers, and to see if I was UP YET?) > > Do Not Archive > > ----- Original Message ----- > From: Dean Pichon > To: rv-list > Sent: Saturday, May 24, 2003 4:23 AM > Subject: Re: RV-List: Adnair fuel valve concern > > --> RV-List message posted by: "Dean Pichon" > > As several have already said, you don't want to fly while sucking gas from both tanks. I believe the Andair valve construction allows to occur soley to ensure that fuel is available during the switching process. Imagine switching from Left to Right (while flying) using a valve that while between the left and right detent positions allowed no flow from either tanks. One would want to turn that lovely red lever incredibly fast. > > Dean Pichon > RV-4 > Morgantown, WV > > ----- Original Message ----- > From: Jerry2DT@aol.com > To: rv-list@matronics.com > Subject: RV-List: Adnair fuel valve concern > > --> RV-List message posted by: Jerry2DT@aol.com > > Fellow Listers.... > > I'm installing an Andair 3-port valve in my RV6a, that is left, right, and > engine. I see it's possible to feed from both tanks however, if valve is placed > between. I believe this is a no-no on RV's, am I right? Not that it is likely > to happen, as the valve has positive detents for left/right positioning. Thing > is though, it can happen, and having intimate knowledge of Mr. Murphy's law, > just wondering if anyone else has noodled about this or has an answer or > opinion. I'd like to eliminate as many "it probably won't happen"'s from my > airplane as possible. > > Yes, I did email Andair about it a week ago. No answer... Also checked > archives to no avail. BTW, the valve itself is of jewel-like construction, a lot > prettier than the old brass valve, which did not have this prolem... > > My old C-172 had a "both" position, and I hate to expose my ignorance in > front of everyone, but why is it our RV's are not supposed to use that position, > anyone know? > > Jerry Cochran > Wilsonville, OR > -6a 70/80 > ________________________________ Message 11 ____________________________________ Time: 12:36:39 PM PST US From: kempthornes Subject: Re: RV-List: Re: Andair fuel valve concern --> RV-List message posted by: kempthornes At 01:33 PM 5/24/2003 -0400, you wrote: >--> RV-List message posted by: Jerry2DT@aol.com Placard is not a bad idea - my Debonair (for sale!) has one. No placard to say, "Do not jab pencil in eye" tho. How can the valve be designed that is neither full off or both when between detents? hal do not archive >t just is curious to me that Andair goes to >great extent to make this high end valve with a positive lock to keep from >going >to "Off" position, but very possible to inadvertantly position in "both" >which "could" be a problem. If the Andair wasn't so purty, I'd be tempted >to go >back to the old "Queen Mary" brass valve that was also used on 1976 Ford >pickups, and does not have this problem.... ________________________________ Message 12 ____________________________________ Time: 12:38:06 PM PST US From: "Jim Norman" Subject: RE: RV-List: Re: Andair fuel valve concern --> RV-List message posted by: "Jim Norman" The answer is simple. Don't buy the one that has a "both" section. Buy the one that has left, right, and off. I have one of these valves and it is a no-brainer. I can't fathom what you are talking about! jim tampa -----Original Message----- From: owner-rv-list-server@matronics.com [mailto:owner-rv-list-server@matronics.com]On Behalf Of Jerry2DT@aol.com Subject: RV-List: Re: Andair fuel valve concern --> RV-List message posted by: Jerry2DT@aol.com Thanks to all for the input... Guess I'll stick a placard on in case I ever sell it and to remind myself... It just is curious to me that Andair goes to great extent to make this high end valve with a positive lock to keep from going to "Off" position, but very possible to inadvertantly position in "both" which "could" be a problem. If the Andair wasn't so purty, I'd be tempted to go back to the old "Queen Mary" brass valve that was also used on 1976 Ford pickups, and does not have this problem.... Cheers, Jerry Cochran Wilsonville, OR RV6a/FWF ________________________________ Message 13 ____________________________________ Time: 12:42:05 PM PST US From: "John" Subject: Re: RV-List: Off topic- old Sport Aviation mag --> RV-List message posted by: "John" contact EAA they have an archive of them...also they sell a CD with 50 years of Sport Aviation on them John ________________________________ Message 14 ____________________________________ Time: 01:14:50 PM PST US From: Gert Subject: Re: RV-List: Re: Andair fuel valve concern --> RV-List message posted by: Gert Jim, did you actually LOOK at the one you have?? mine is LEFT, RIGHT and OFF, and connects both left and right to the out during switch over between LEFT and RIGHT, not going through the OFF position, and you know what, I like it that way. Jim Norman wrote: > --> RV-List message posted by: "Jim Norman" > > The answer is simple. > Don't buy the one that has a "both" section. Buy the one that has left, > right, and off. > > I have one of these valves and it is a no-brainer. I can't fathom what you > are talking about! > > jim > tampa > > -----Original Message----- > From: owner-rv-list-server@matronics.com > [mailto:owner-rv-list-server@matronics.com]On Behalf Of Jerry2DT@aol.com > To: rv-list@matronics.com > Subject: RV-List: Re: Andair fuel valve concern > > > --> RV-List message posted by: Jerry2DT@aol.com > > Thanks to all for the input... Guess I'll stick a placard on in case I ever > sell it and to remind myself... It just is curious to me that Andair goes to > great extent to make this high end valve with a positive lock to keep from > going > to "Off" position, but very possible to inadvertantly position in "both" > which "could" be a problem. If the Andair wasn't so purty, I'd be tempted to > go > back to the old "Queen Mary" brass valve that was also used on 1976 Ford > pickups, and does not have this problem.... > > Cheers, > > Jerry Cochran > Wilsonville, OR > RV6a/FWF > > > > > > > > -- is subject to a download and archival fee in the amount of $500 ________________________________ Message 15 ____________________________________ Time: 01:17:54 PM PST US From: Gert Subject: Re: RV-List: Re: Andair fuel valve concern --> RV-List message posted by: Gert kempthornes wrote: > --> RV-List message posted by: kempthornes > > At 01:33 PM 5/24/2003 -0400, you wrote: > >>--> RV-List message posted by: Jerry2DT@aol.com >> > > Placard is not a bad idea - my Debonair (for sale!) has one. No placard to > say, "Do not jab pencil in eye" tho. > > How can the valve be designed that is neither full off or both when between Quite easy. many valves are designed that way. the ANDAIR could have been quite easily too, however, if ever the valve gets stuck during switch over, and that's gonna happen to somebody, somewhere, at least one tank is always connected. just hoping the switch-over was routine and not after the windmill stopped due to an empty tank ;-) > detents? > > hal > do not archive > > > >>t just is curious to me that Andair goes to >>great extent to make this high end valve with a positive lock to keep from >>going >>to "Off" position, but very possible to inadvertantly position in "both" >>which "could" be a problem. If the Andair wasn't so purty, I'd be tempted >>to go >>back to the old "Queen Mary" brass valve that was also used on 1976 Ford >>pickups, and does not have this problem.... >> > > > > > > > > -- is subject to a download and archival fee in the amount of $500 ________________________________ Message 16 ____________________________________ Time: 01:36:29 PM PST US From: "Jim Norman" Subject: RE: RV-List: Re: Andair fuel valve concern --> RV-List message posted by: "Jim Norman" Exactly. Its perfect! Its exctly the way you would want it to be! Buy it, install it, and then use it! jim Tampa -----Original Message----- From: owner-rv-list-server@matronics.com [mailto:owner-rv-list-server@matronics.com]On Behalf Of Gert Subject: Re: RV-List: Re: Andair fuel valve concern --> RV-List message posted by: Gert Jim, did you actually LOOK at the one you have?? mine is LEFT, RIGHT and OFF, and connects both left and right to the out during switch over between LEFT and RIGHT, not going through the OFF position, and you know what, I like it that way. Jim Norman wrote: > --> RV-List message posted by: "Jim Norman" > > The answer is simple. > Don't buy the one that has a "both" section. Buy the one that has left, > right, and off. > > I have one of these valves and it is a no-brainer. I can't fathom what you > are talking about! > > jim > tampa > > -----Original Message----- > From: owner-rv-list-server@matronics.com > [mailto:owner-rv-list-server@matronics.com]On Behalf Of Jerry2DT@aol.com > To: rv-list@matronics.com > Subject: RV-List: Re: Andair fuel valve concern > > > --> RV-List message posted by: Jerry2DT@aol.com > > Thanks to all for the input... Guess I'll stick a placard on in case I ever > sell it and to remind myself... It just is curious to me that Andair goes to > great extent to make this high end valve with a positive lock to keep from > going > to "Off" position, but very possible to inadvertantly position in "both" > which "could" be a problem. If the Andair wasn't so purty, I'd be tempted to > go > back to the old "Queen Mary" brass valve that was also used on 1976 Ford > pickups, and does not have this problem.... > > Cheers, > > Jerry Cochran > Wilsonville, OR > RV6a/FWF > > -- is subject to a download and archival fee in the amount of $500 ________________________________ Message 17 ____________________________________ Time: 02:27:45 PM PST US From: "Elsa & Henry" Subject: Fw: RV-List: Re: Andair fuel valve concern --> RV-List message posted by: "Elsa & Henry" > The answer is simple. > Don't buy the one that has a "both" section. Buy the one that has left, > right, and off. > > I have one of these valves and it is a no-brainer. I can't fathom what you > are talking about! > I think what the worry-warts are concerned about, is the fact that as you switch from left to right (or vice-versa) there is moment when between the detents that fuel is fleetingly available from both tanks. That is precisely why I bought the Andair valve. The fuel flow is NOT interrupted during switching. So for the worry-warts that inadvertently leave the switch knob between the detents: What would you prefer? The fuel flow to be interrupted, (as per the Van's brass valve in the kit) followed shortly by engine shut-down, --or--continued fuel flow from both tanks (unless the poor practice of running one tank dry has been done) until you discover your error and correct the action??----Your choice!! Cheers!!-----Henry Hore ________________________________ Message 18 ____________________________________ Time: 06:00:04 PM PST US From: "lucky macy" Subject: RV-List: wing tip installation pictures --> RV-List message posted by: "lucky macy" Anyone have/know of a good web site for wing tip installation pictures and modifications to make a storage compartment? thx, lucky ________________________________ Message 19 ____________________________________ Time: 07:17:31 PM PST US From: Charlie & Tupper England Subject: Re: RV-List: Adnair fuel valve concern --> RV-List message posted by: Charlie & Tupper England Mark Phillips wrote: >--> RV-List message posted by: Mark Phillips > >OK Konrad- have another cup and figure out what % float bowl volume will be depleted during same one-second switchover @ same flow rate............(and I have no ideer what that volume be, neither!) 8-) > >Better yet, include time to starvation assuming float set properly- THEN we'll have some useful data! (or maybe we should just try this during test phase anyway) > >Now the F.I. folks may not have a similar accumulator (float bowl), so y'all "might" have a problem? > >>From the PossumWorks >Mark - do not archive this one neither! > If you run the boost pump while switching, you will never notice going through the 'off' position on either a carb or injected engine. Even if you run one tank dry before switching to the other tank, power loss is only 1 or 2 seconds (maybe 3 on a bad day) using boost pump on an injected engine. Maybe 4 seconds if you run the bowl dry on a carb engine. All bets are off if you don't use the boost pump. (I know that there are lots of guys on this list who can testify to this; maybe they are just afraid of admitting to running a tank dry...) Charlie O-320, IO-320, IO360, O-320, O-360 (that Multi rating was TOUGH) obligatory ;-) > >Konrad Werner wrote: > > > >>--> RV-List message posted by: "Konrad Werner" >> >> >> >>>>. . . no flow from either tank . . . >>>> >>>> >>Hmm? How much flow is there in the second it takes to switch tanks? Lets see and assume: >> >>10 gph x ~231 c.i./gal ~2310 c.i. per hour. >>~2310 c.i.ph / 3600 seconds ~0.6416666 >>(or roughly 2/3rds. of one Cubic Inch) of Fuel in the second it takes to switch tanks? >> >>BTW: If you would burn ~7.8 GPH then it takes 1/2 Cubic Inch per switching second. >> >>Huh, what that coffee does to my early Sat.Morning Brain Activity. >>(I was just curious about the numbers, and to see if I was UP YET?) >> >>Do Not Archive >> >> ----- Original Message ----- >> From: Dean Pichon >> To: rv-list >> Sent: Saturday, May 24, 2003 4:23 AM >> Subject: Re: RV-List: Adnair fuel valve concern >> >> --> RV-List message posted by: "Dean Pichon" >> >> As several have already said, you don't want to fly while sucking gas from both tanks. I believe the Andair valve construction allows to occur soley to ensure that fuel is available during the switching process. Imagine switching from Left to Right (while flying) using a valve that while between the left and right detent positions allowed no flow from either tanks. One would want to turn that lovely red lever incredibly fast. >> >> Dean Pichon >> RV-4 >> Morgantown, WV >> >> ----- Original Message ----- >> From: Jerry2DT@aol.com >> To: rv-list@matronics.com >> Subject: RV-List: Adnair fuel valve concern >> >> --> RV-List message posted by: Jerry2DT@aol.com >> >> Fellow Listers.... >> >> I'm installing an Andair 3-port valve in my RV6a, that is left, right, and >> engine. I see it's possible to feed from both tanks however, if valve is placed >> between. I believe this is a no-no on RV's, am I right? Not that it is likely >> to happen, as the valve has positive detents for left/right positioning. Thing >> is though, it can happen, and having intimate knowledge of Mr. Murphy's law, >> just wondering if anyone else has noodled about this or has an answer or >> opinion. I'd like to eliminate as many "it probably won't happen"'s from my >> airplane as possible. >> >> Yes, I did email Andair about it a week ago. No answer... Also checked >> archives to no avail. BTW, the valve itself is of jewel-like construction, a lot >> prettier than the old brass valve, which did not have this prolem... >> >> My old C-172 had a "both" position, and I hate to expose my ignorance in >> front of everyone, but why is it our RV's are not supposed to use that position, >> anyone know? >> >> Jerry Cochran >> Wilsonville, OR >> -6a 70/80 >> >> >> > > > > ________________________________ Message 20 ____________________________________ Time: 07:42:15 PM PST US From: "David Taylor" Subject: Re: RV-List: Off topic- old Sport Aviation mag --> RV-List message posted by: "David Taylor" Jeff, My local chapter has that issue and I have a scanner. -David ----- Original Message ----- From: "Jeff Point" Subject: RV-List: Off topic- old Sport Aviation mag > --> RV-List message posted by: Jeff Point > > Can anybody out there help me track down a copy of the October 1973 > Sport Aviation magazine? If anyone has one, please contact me off list. > I would like to get a photocopy of something in the magazine. > > Thanks > Jeff Point > RV-6 FWF > Milwaukee WI > do not archive > > > > > > ________________________________ Message 21 ____________________________________ Time: 07:55:08 PM PST US From: "David Taylor" Subject: Re: RV-List: Off topic- old Sport Aviation mag --> RV-List message posted by: "David Taylor" One of these days I'll learn to reply to the sender and not the entire list:) I don't post much. Anyway I have a scanner and access to a copy of the issue so I may be able to help. -David ----- Original Message ----- From: "Jeff Point" Subject: RV-List: Off topic- old Sport Aviation mag > --> RV-List message posted by: Jeff Point > > Can anybody out there help me track down a copy of the October 1973 > Sport Aviation magazine? If anyone has one, please contact me off list. > I would like to get a photocopy of something in the magazine. > > Thanks > Jeff Point > RV-6 FWF > Milwaukee WI > do not archive > > ________________________________ Message 22 ____________________________________ Time: 08:16:57 PM PST US From: "Don Mack" Subject: RV-List: For Sale - Hour meter and oil swith --> RV-List message posted by: "Don Mack" Van's IE-R8864 Hour meeter and SM-2C-15F/I oil pressure switch (circuits for normally open NO and normally closed NC). I have an EIS engine monitor and am going to use it to track engine time. Both for $35 shipped anywhere in the states. Contact me directly. Don Mack don@dmack.net