Yak-List Digest Archive

Mon 07/23/07


Total Messages Posted: 16



Today's Message Index:
----------------------
 
     1. 05:00 AM - Re: Fuel Cap O ring and Air Compressor (Scott Poehlmann)
     2. 08:49 AM - Re: Yak-List Digest: 12 Msgs - 07/21/07 (Barry Hancock)
     3. 10:36 AM - alternator for Huosai engine (Brian Lloyd)
     4. 12:14 PM - Re: Re: Yak-List Digest: 12 Msgs - 07/21/07 (Roger Kemp)
     5. 12:24 PM - Re: Yak-List Digest: 12 Msgs - 07/21/07 (Tim Gagnon)
     6. 01:55 PM - Re: Re: Yak-List Digest: 12 Msgs - 07/21/07 (viperdoc)
     7. 02:16 PM - Re: Re: Yak-List Digest: 12 Msgs - 07/21/07 (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
     8. 03:26 PM - Extra fuel for 52 - Follow the example in the 52W's (Craig Schneider)
     9. 04:43 PM - Re: Extra fuel for 52 - Follow the example in the 52W's (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
    10. 05:46 PM - Re: Extra fuel for 52 - Follow the example in the 52W's (bill wade)
    11. 05:50 PM - Re: Extra fuel for 52 - Follow the example in the 52W's (A. Dennis Savarese)
    12. 05:55 PM - Re: Extra fuel for 52 - Follow the example in the 52W's (A. Dennis Savarese)
    13. 06:08 PM - Re: Re: Yak-List Digest: 12 Msgs - 07/21/07 (Roger Kemp)
    14. 06:19 PM - Re: Re: Yak-List Digest: 12 Msgs - 07/21/07 (A. Dennis Savarese)
    15. 06:24 PM - Re: Extra fuel for 52 - Follow the example in the 52W's (Roger Kemp)
    16. 07:22 PM - Re: Re: Yak-List Digest: 12 Msgs - 07/21/07 (viperdoc)
 
 
 


Message 1


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    Time: 05:00:39 AM PST US
    From: Scott Poehlmann <scott-p@texas.net>
    Subject: Re: Fuel Cap O ring and Air Compressor
    H Sarah, Attached is a schematic of mine. However, since each airplane was set up differently when they were imported, most of them are idiosyncratic. The best solution is to do what I did, which go out to your airplane, un-cowl it, and trace the air lines from compressor to where they meet the russian system. I have included the schematic of the factory air system as well, but note that it DOESN'T include the compressor... Scott Sarah Tobin wrote: > Does anyone have a schematic of the compressor system, I didn't see > much in books I have > > */Scott Poehlmann <scott-p@texas.net>/* wrote: > > > Hi Sarah, > > If it has an overboard dump, then I agree that the most likely places > for failure (not necessarily in order) are: > 1) at the banjo fitting from the compressor to its output line > 2) at any conversion fitting (if one exists) in the line to the > overboard dump valve > 3) in the overboard dump valve itself > 4) in any fitting after the one-way valve, assuming there is a > one-way > valve between the compressor and the tank (if there isn't, get > one. They > aren't terribly expensive {~$150} and may save your > compressor)--ESPECIALLY the start valve (which is actually behind the > panel on the left) and is a real b*tch to get to. > 5) the shear coupling to the compressor > > Good luck, I spent the better part of last fall starting my plane > from > scuba bottles whilst trying to psych out a problem which was in the > start valve the whole time. If it turns out to be that, let me > know, and > I'll give you the parts list and plumbing details of the solenoid > start > valve I put on mine to fix the problem. > > Scott > > Sarah Tobin wrote: > > Yeah, sorry, it dumps overboard. Seems as if the problem is one of > > three things > > > > 1. The dump valve is stuck open > > 2. There is a leak in the line between the pump and the check valve > > 3. Shear shaft is done busted > > > > Would you guys agree? > > > > */Scott Poehlmann /* wrote: > > > > > > Hi Sarah, > > > > For the O-rings, I'd start with calling Hubie Tolson (I have his > > number > > around here somewhere if you don't). Failing that, I THINK that > > George > > Coy has some. Worst case, WLAC in England has them at pound-wise > > prices... > > > > Is there a cut-off valve for the compressor? Mine has a solenoid > > set-up > > which dumps overboard unless I actuate a switch to charge the tank. > > Otherwise I am not sure what you mean by an "auto-shut-off". The > > compressor runs all the time the engine is running. It's just a > > matter > > of where the air goes (into the bottle or overboard). Most 55's > > did NOT > > come from the factory with the compressor, so you'll need to go > > and look > > at exactly how yours is plumbed. I can send you a diagram of mine > > if you > > wish, but unless your came into the US through Scott Erickson, it is > > UNLIKELY that your is plumbed the same way... > > > > Scott > > > > Sarah Tobin > ------------------------------------------------------------------------ > Choose the right car based on your needs. > > * > > > * >


    Message 2


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    Time: 08:49:50 AM PST US
    From: "Barry Hancock" <bhancock@worldwidewarbirds.com>
    Subject: Re: Yak-List Digest: 12 Msgs - 07/21/07
    Doc, I'm on the road and don't have good installation photos, but you can see the finished product here....the grey, green, and yellow -50 is Will Roy's...I'm ferrying the aircraft for him. You can see pics of the plane flying at ARS here http://www.tvrphotography.com/gallery/thumbnails.php?album=180&page=3e We did the annual, converted the tanks to "bombs" (fins, paint), did some paint work, etc. While we did not fabricate the drop tanks or the mounts originally, I can tell you that this system needs some changes to be more user friendly. Without getting too technical there are collets on the hard points that accept the mounting through bolts. The bolts go through the tanks and are screwed into the collets. Then is a tiny set screw that holds the collet into place, then you adjust the collet to snug it to the bracket to secure it in place. THEN you safety wire the whole thing. It takes about 5 hours PER SIDE to do. Forget ever taking them off to play if you're flying to an event....they stay on, and the plane is limited to 3G's in that configuration. The system does have great capacity (15 gallons EACH), looks great when installed, and works very well. Performance wise, it knocks about 7 kts off of cruise speed, but gives you an additional 2 hours of range. Handling characteristics are not adversely affected, except on the ground during roll out where that weight outboard makes it just a bit tougher to keep straight, but it's perfectly managable. Based on our experience with these tanks, and our engineering and machining capablity, we could easily engineer a much more user friendly system (one that could disconnect in about 5 minutes and connect in 30 minutes), but I don't know that the demand is there to offset the engineering costs. I'll be happy to look into it further, if you'd like, but it ain't gonna be cheap. Cheers, Barry Worldwide Warbirds, Inc (949) 300-5510 cell > Time: 08:48:23 PM PST US > From: "Roger Kemp" <viperdoc@mindspring.com> > Subject: RE: Yak-List: Re: OSH arrivals > > Bdog, > > Drop tanks on the 50? When you get a chance, I would like the details of > how > you plumbed it and where are you hanging the tanks. I'm assuming two since > you post was written as a plural of tank. Got any pictures? > > Doc


    Message 3


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    Time: 10:36:13 AM PST US
    From: Brian Lloyd <brian-1927@lloyd.com>
    Subject: alternator for Huosai engine
    I am looking for an alternator adapted to the generator drive on the Huosai engine. If someone has one I would like to buy it. For that matter, if all you have is a burned-out alternator that is fine too. I will have no trouble rebuilding it if it has an armature with bearing surfaces in good shape. -- Brian Lloyd 3191 Western Drive brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682 +1.916.367.2131 (voice) +1.270.912.0788 (fax) I fly because it releases my mind from the tyranny of petty things . . . Antoine de Saint-Exupry PGP key ID: 12095C52A32A1B6C PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C


    Message 4


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    Time: 12:14:07 PM PST US
    From: "Roger Kemp" <viperdoc@mindspring.com>
    Subject: Re: Yak-List Digest: 12 Msgs - 07/21/07
    Barry, Thanks. Where in Ala is Will Roy basing her. I'm down in Montgomery and Dave Harcourt is in Birmingham. The tanks look pretty cool. The pain in mounting can be re-engineered to make it simple. I have the fabricators around that can help with that. Got a couple of other issues to address on the 50 and 52 first before starting to attach extra fuel. The 50 sips gas compared the 52. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Barry Hancock Sent: Monday, July 23, 2007 10:45 AM Subject: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 <bhancock@worldwidewarbirds.com> Doc, I'm on the road and don't have good installation photos, but you can see the finished product here....the grey, green, and yellow -50 is Will Roy's...I'm ferrying the aircraft for him. You can see pics of the plane flying at ARS here http://www.tvrphotography.com/gallery/thumbnails.php?album=180&page=3e We did the annual, converted the tanks to "bombs" (fins, paint), did some paint work, etc. While we did not fabricate the drop tanks or the mounts originally, I can tell you that this system needs some changes to be more user friendly. Without getting too technical there are collets on the hard points that accept the mounting through bolts. The bolts go through the tanks and are screwed into the collets. Then is a tiny set screw that holds the collet into place, then you adjust the collet to snug it to the bracket to secure it in place. THEN you safety wire the whole thing. It takes about 5 hours PER SIDE to do. Forget ever taking them off to play if you're flying to an event....they stay on, and the plane is limited to 3G's in that configuration. The system does have great capacity (15 gallons EACH), looks great when installed, and works very well. Performance wise, it knocks about 7 kts off of cruise speed, but gives you an additional 2 hours of range. Handling characteristics are not adversely affected, except on the ground during roll out where that weight outboard makes it just a bit tougher to keep straight, but it's perfectly managable. Based on our experience with these tanks, and our engineering and machining capablity, we could easily engineer a much more user friendly system (one that could disconnect in about 5 minutes and connect in 30 minutes), but I don't know that the demand is there to offset the engineering costs. I'll be happy to look into it further, if you'd like, but it ain't gonna be cheap. Cheers, Barry Worldwide Warbirds, Inc (949) 300-5510 cell > Time: 08:48:23 PM PST US > From: "Roger Kemp" <viperdoc@mindspring.com> > Subject: RE: Yak-List: Re: OSH arrivals > > Bdog, > > Drop tanks on the 50? When you get a chance, I would like the details of > how > you plumbed it and where are you hanging the tanks. I'm assuming two since > you post was written as a plural of tank. Got any pictures? > > Doc


    Message 5


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    Time: 12:24:21 PM PST US
    Subject: Re: Yak-List Digest: 12 Msgs - 07/21/07
    From: "Tim Gagnon" <NiftyYak50@fuse.net>
    When you guys finishing the engineering, can you work on building a better ass..mine is limited to about an hour in these things! After that, I call work and have them book me a first class ticket. I think a centerline tank would look way cooler and I think would require less engineering. I know someone who could knock it out pretty quickly. The same guy who did my bottle set-up....the guy is scary good and we talked in passing about it...his reply "no problem". Read this topic online here: http://forums.matronics.com/viewtopic.php?p=125379#125379


    Message 6


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    Time: 01:55:07 PM PST US
    From: "viperdoc" <viperdoc@mindspring.com>
    Subject: Re: Yak-List Digest: 12 Msgs - 07/21/07
    Tim, I tend to agree with you. Less plumbling ect. Still have to build a hard point(s) for attachment which will probably entail removing the exsisting fuel tanks. If you are going to do that then why not just weld a stainless steel 10 in section to the ends of the AUX tank. That if the calculation is correct will get you up to 42 gal total fuel. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Tim Gagnon Sent: Monday, July 23, 2007 2:24 PM Subject: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 When you guys finishing the engineering, can you work on building a better ass..mine is limited to about an hour in these things! After that, I call work and have them book me a first class ticket. I think a centerline tank would look way cooler and I think would require less engineering. I know someone who could knock it out pretty quickly. The same guy who did my bottle set-up....the guy is scary good and we talked in passing about it...his reply "no problem". Read this topic online here: http://forums.matronics.com/viewtopic.php?p=125379#125379


    Message 7


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    Time: 02:16:09 PM PST US
    Subject: Re: Yak-List Digest: 12 Msgs - 07/21/07
    From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil>
    Why not pull the whole mess out and put in TWO of those size tanks? Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of viperdoc Sent: Monday, July 23, 2007 16:54 Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 Tim, I tend to agree with you. Less plumbling ect. Still have to build a hard point(s) for attachment which will probably entail removing the exsisting fuel tanks. If you are going to do that then why not just weld a stainless steel 10 in section to the ends of the AUX tank. That if the calculation is correct will get you up to 42 gal total fuel. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Tim Gagnon Sent: Monday, July 23, 2007 2:24 PM Subject: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 When you guys finishing the engineering, can you work on building a better ass..mine is limited to about an hour in these things! After that, I call work and have them book me a first class ticket. I think a centerline tank would look way cooler and I think would require less engineering. I know someone who could knock it out pretty quickly. The same guy who did my bottle set-up....the guy is scary good and we talked in passing about it...his reply "no problem". Read this topic online here: http://forums.matronics.com/viewtopic.php?p=125379#125379


    Message 8


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    Time: 03:26:01 PM PST US
    Subject: Extra fuel for 52 - Follow the example in the 52W's
    From: Craig Schneider <craig@ustek.com>
    I have a 52W with aux tanks outboard of the mains. Each side holds 21 gals for a total of 74 gals. The aux tanks are made by wetting wing bays (no b ladder). Why not do the same with your 52's. I believe the wing is identi cal. Would require a few access panels fabricated to seal, vent, drain and to put the senders and output fittings in. Engineering drawings could be optained from Aerostar or from an existing 52W. No additional structural e ngineering. The 52W uses 2, cockpit switched, facet 24v pumps to move fuel from the aux tanks to the mains. From: Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E Sent: Mon 7/23/2007 5:15 PM Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 ALS-14 64E" <mark.bitterlich@navy.mil> Why not pull the whole mess out and put in TWO of those size tanks? Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of viperdoc Sent: Monday, July 23, 2007 16:54 Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 Tim, I tend to agree with you. Less plumbling ect. Still have to build a hard point(s) for attachment which will probably entail removing the exsisting fuel tanks. If you are going to do that then why not just weld a stainless steel 10 in section to the ends of the AUX tank. That if the calculation is correct will get you up to 42 gal total fuel. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Tim Gagnon Sent: Monday, July 23, 2007 2:24 PM Subject: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 When you guys finishing the engineering, can you work on building a better ass..mine is limited to about an hour in these things! After that, I call work and have them book me a first class ticket. I think a centerline tank would look way cooler and I think would require less engineering. I know someone who could knock it out pretty quickly. The same guy who did my bottle set-up....the guy is scary good and we talked in passing about it...his reply "no problem". Read this topic online here: http://forums.matronics.com/viewtopic.php?p=125379#125379


    Message 9


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    Time: 04:43:22 PM PST US
    Subject: Extra fuel for 52 - Follow the example in the 52W's
    From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil>
    Good idea. We were talking about 50's however..... :-) Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Craig Schneider Sent: Monday, July 23, 2007 18:28 Subject: Yak-List: Extra fuel for 52 - Follow the example in the 52W's I have a 52W with aux tanks outboard of the mains. Each side holds 21 gals for a total of 74 gals. The aux tanks are made by wetting wing bays (no bladder). Why not do the same with your 52's. I believe the wing is identical. Would require a few access panels fabricated to seal, vent, drain and to put the senders and output fittings in. Engineering drawings could be optained from Aerostar or from an existing 52W. No additional structural engineering. The 52W uses 2, cockpit switched, facet 24v pumps to move fuel from the aux tanks to the mains. ________________________________ From: Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E Sent: Mon 7/23/2007 5:15 PM Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 --> Point, MALS-14 64E" <mark.bitterlich@navy.mil> Why not pull the whole mess out and put in TWO of those size tanks? Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of viperdoc Sent: Monday, July 23, 2007 16:54 Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 Tim, I tend to agree with you. Less plumbling ect. Still have to build a hard point(s) for attachment which will probably entail removing the exsisting fuel tanks. If you are going to do that then why not just weld a stainless steel 10 in section to the ends of the AUX tank. That if the calculation is correct will get you up to 42 gal total fuel. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Tim Gagnon Sent: Monday, July 23, 2007 2:24 PM Subject: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 When you guys finishing the engineering, can you work on building a better ass..mine is limited to about an hour in these things! After that, I call work and have them book me a first class ticket. I think a centerline tank would look way cooler and I think would require less engineering. I know someone who could knock it out pretty quickly. The same guy who did my bottle set-up....the guy is scary good and we talked in passing about it...his reply "no problem". Read this topic online here: http://forums.matronics.com/viewtopic.php?p=125379#125379


    Message 10


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    Time: 05:46:05 PM PST US
    From: bill wade <bwade154@yahoo.com>
    Subject: Re: Extra fuel for 52 - Follow the example in the 52W's
    Is anyone doing this fuel tank conversion in the US? if so how much? On the same subject is anyone doing the Termikas TD conversion here in the States? Again at what price. Thanks Bill Wade Craig Schneider <craig@ustek.com> wrote: I have a 52W with aux tanks outboard of the mains. Each side holds 21 gals for a total of 74 gals. The aux tanks are made by wetting wing bays (no bladder). Why not do the same with your 52's. I believe the wing is identical. Would require a few access panels fabricated to seal, vent, drain and to put the senders and output fittings in. Engineering drawings could be optained from Aerostar or from an existing 52W. No additional structural engineering. The 52W uses 2, cockpit switched, facet 24v pumps to move fuel from the aux tanks to the mains. --------------------------------- From: Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E Sent: Mon 7/23/2007 5:15 PM Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 ---------------------------------


    Message 11


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    Time: 05:50:02 PM PST US
    From: "A. Dennis Savarese" <dsavarese@elmore.rr.com>
    Subject: Re: Extra fuel for 52 - Follow the example in the 52W's
    Modifying a stock Yak 52 for wet wing tanks has proven to be a real problem. They eventually leak...plain and simple. The wing was not designed for a wet wing cavity. Making one in the existing wings creates more problems than they are worth. If one of my customers mandates a wet wing tank modification to his stock, 1980's model Yak 52, I ask them to sign a release which relieves me of any responsibility for any and all problems that can (and will) occur with the wet wing tank conversion. Including the inevitable blue stains on the underside of the wing, which as we know is the telltale sign of a 100LL avgas leak. For those that are interested, I will have the first set of fuel tank bladders that we designed (yes, bladders) for the Yak 52 in the next couple of weeks. They will replace the standard, metal fuel tanks. I will be testing them on my personal airplane. Estimated useable fuel will be in the 50 total gallons range giving us a real 2.5 hour + airplane, PLUS 30 minutes reserve. More information will be available very soon. Dennis ----- Original Message ----- From: Craig Schneider To: yak-list@matronics.com Sent: Monday, July 23, 2007 5:27 PM Subject: Yak-List: Extra fuel for 52 - Follow the example in the 52W's I have a 52W with aux tanks outboard of the mains. Each side holds 21 gals for a total of 74 gals. The aux tanks are made by wetting wing bays (no bladder). Why not do the same with your 52's. I believe the wing is identical. Would require a few access panels fabricated to seal, vent, drain and to put the senders and output fittings in. Engineering drawings could be optained from Aerostar or from an existing 52W. No additional structural engineering. The 52W uses 2, cockpit switched, facet 24v pumps to move fuel from the aux tanks to the mains. ------------------------------------------------------------------------- ----- From: Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E Sent: Mon 7/23/2007 5:15 PM To: yak-list@matronics.com Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 Point, MALS-14 64E" <mark.bitterlich@navy.mil> Why not pull the whole mess out and put in TWO of those size tanks? Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of viperdoc Sent: Monday, July 23, 2007 16:54 Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 Tim, I tend to agree with you. Less plumbling ect. Still have to build a hard point(s) for attachment which will probably entail removing the exsisting fuel tanks. If you are going to do that then why not just weld a stainless steel 10 in section to the ends of the AUX tank. That if the calculation is correct will get you up to 42 gal total fuel. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Tim Gagnon Sent: Monday, July 23, 2007 2:24 PM Subject: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 When you guys finishing the engineering, can you work on building a better ass..mine is limited to about an hour in these things! After that, I call work and have them book me a first class ticket. I think a centerline tank would look way cooler and I think would require less engineering. I know someone who could knock it out pretty quickly. The same guy who did my bottle set-up....the guy is scary good and we talked in passing about it...his reply "no problem". Read this topic online here: http://forums.matronics.com/viewtopic.php?p=125379#125379


    Message 12


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    Time: 05:55:21 PM PST US
    From: "A. Dennis Savarese" <dsavarese@elmore.rr.com>
    Subject: Re: Extra fuel for 52 - Follow the example in the 52W's
    Bill, No one that I know of is doing the wet wing tank modification on the stock 52 and no one as far as I know is doing the TD conversion here in the states on their stock 52. As I said in my previous email, a wet wing modification on the stock Yak 52's has been a problem. If you want more fuel, wait for the fuel bladders. They will go right into the existing fuel cavity. Dennis ----- Original Message ----- From: bill wade To: yak-list@matronics.com Sent: Monday, July 23, 2007 7:45 PM Subject: Re: Yak-List: Extra fuel for 52 - Follow the example in the 52W's Is anyone doing this fuel tank conversion in the US? if so how much? On the same subject is anyone doing the Termikas TD conversion here in the States? Again at what price. Thanks Bill Wade Craig Schneider <craig@ustek.com> wrote: I have a 52W with aux tanks outboard of the mains. Each side holds 21 gals for a total of 74 gals. The aux tanks are made by wetting wing bays (no bladder). Why not do the same with your 52's. I believe the wing is identical. Would require a few access panels fabricated to seal, vent, drain and to put the senders and output fittings in. Engineering drawings could be optained from Aerostar or from an existing 52W. No additional structural engineering. The 52W uses 2, cockpit switched, facet 24v pumps to move fuel from the aux tanks to the mains. ------------------------------------------------------------------------- --- From: Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E Sent: Mon 7/23/2007 5:15 PM To: yak-list@matronics.com Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 Point, MALS-14 64E" <mark.bitterlich@navy.mil> Why not pull the whole mess out and put in TWO of those size tanks? Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of viperdoc Sent: Monday, July 23, 2007 16:54 To: yak-list@matronics.com Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 --> Yak-List message posted by: "viperdoc" <viperdoc@mindspring.com> Tim, I tend to agree with you. Less plumbling ect. Still have to build a hard point(s) for attachment which will probably entail removing the exsisting fuel tanks. If you are going to do that then why not just weld a stainless steel 10 in section to the ends of the AUX tank. That if the calculation is correct will get you up to 42 gal total fuel. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Tim Gagnon Sent: Monday, July 23, 2007 2:24 PM To: yak-list@matronics.com Subject: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 --> Yak-List message posted by: "Tim Gagnon" <NiftyYak50@fuse.net> When you guys finishing the engineering, can you work on building a better ass..mine is limited to about an hour in these things! After that, I call work and have them book me a first class ticket. I think a centerline tank


    Message 13


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    Time: 06:08:22 PM PST US
    From: "Roger Kemp" <viperdoc@mindspring.com>
    Subject: Re: Yak-List Digest: 12 Msgs - 07/21/07
    Mark, I do not think you or I could fit danged shoulders in the hell hole to work on anything else if two Aux tanks were fitted in the space. I'm not sure one could get a second tank in that space so easily either. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E Sent: Monday, July 23, 2007 4:16 PM Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 MALS-14 64E" <mark.bitterlich@navy.mil> Why not pull the whole mess out and put in TWO of those size tanks? Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of viperdoc Sent: Monday, July 23, 2007 16:54 Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 Tim, I tend to agree with you. Less plumbling ect. Still have to build a hard point(s) for attachment which will probably entail removing the exsisting fuel tanks. If you are going to do that then why not just weld a stainless steel 10 in section to the ends of the AUX tank. That if the calculation is correct will get you up to 42 gal total fuel. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Tim Gagnon Sent: Monday, July 23, 2007 2:24 PM Subject: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 When you guys finishing the engineering, can you work on building a better ass..mine is limited to about an hour in these things! After that, I call work and have them book me a first class ticket. I think a centerline tank would look way cooler and I think would require less engineering. I know someone who could knock it out pretty quickly. The same guy who did my bottle set-up....the guy is scary good and we talked in passing about it...his reply "no problem". Read this topic online here: http://forums.matronics.com/viewtopic.php?p=125379#125379


    Message 14


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    Time: 06:19:21 PM PST US
    From: "A. Dennis Savarese" <dsavarese@elmore.rr.com>
    Subject: Re: Yak-List Digest: 12 Msgs - 07/21/07
    I really think I could develop a fuel bladder to replace BOTH tanks and add another 50% more gas without increasing the area required by the existing fuel tanks. Dennis ----- Original Message ----- From: "Roger Kemp" <viperdoc@mindspring.com> Sent: Monday, July 23, 2007 8:06 PM Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 > > Mark, > I do not think you or I could fit danged shoulders in the hell hole to > work > on anything else if two Aux tanks were fitted in the space. I'm not sure > one > could get a second tank in that space so easily either. > Doc > > -----Original Message----- > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of Bitterlich, Mark > G > CIV Det Cherry Point, MALS-14 64E > Sent: Monday, July 23, 2007 4:16 PM > To: yak-list@matronics.com > Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 > > MALS-14 64E" <mark.bitterlich@navy.mil> > > Why not pull the whole mess out and put in TWO of those size tanks? > > Mark > > > -----Original Message----- > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of viperdoc > Sent: Monday, July 23, 2007 16:54 > To: yak-list@matronics.com > Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 > > > Tim, > I tend to agree with you. Less plumbling ect. Still have to build a hard > point(s) for attachment which will probably entail removing the > exsisting fuel tanks. If you are going to do that then why not just weld > a stainless steel 10 in section to the ends of the AUX tank. That if the > calculation is correct will get you up to 42 gal total fuel. > Doc > > -----Original Message----- > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of Tim Gagnon > Sent: Monday, July 23, 2007 2:24 PM > To: yak-list@matronics.com > Subject: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 > > > When you guys finishing the engineering, can you work on building a > better ass..mine is limited to about an hour in these things! After > that, I call work and have them book me a first class ticket. > > I think a centerline tank would look way cooler and I think would > require less engineering. I know someone who could knock it out pretty > quickly. The same guy who did my bottle set-up....the guy is scary good > and we talked in passing about it...his reply "no problem". > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=125379#125379 > > >


    Message 15


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    Time: 06:24:07 PM PST US
    From: "Roger Kemp" <viperdoc@mindspring.com>
    Subject: Extra fuel for 52 - Follow the example in the 52W's
    Patience great one. A fix is in the works if all works out. That is all I can say for now. That also goes for the fix for Carbon Monoxide. Which is very high in the 52 and the 50 also. Just finished doing the primary flight profile measurements. All those little airframe seals are not lowering the levels down to safe limits ( PMEL - permissible exposure limits) during start, taxi, TO, decent, landing and shutdown. Doc From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of bill wade Sent: Monday, July 23, 2007 7:45 PM Subject: Re: Yak-List: Extra fuel for 52 - Follow the example in the 52W's Is anyone doing this fuel tank conversion in the US? if so how much? On the same subject is anyone doing the Termikas TD conversion here in the States? Again at what price. Thanks Bill Wade Craig Schneider <craig@ustek.com> wrote: I have a 52W with aux tanks outboard of the mains. Each side holds 21 gals for a total of 74 gals. The aux tanks are made by wetting wing bays (no bladder). Why not do the same with your 52's. I believe the wing is identical. Would require a few access panels fabricated to seal, vent, drain and to put the senders and output fittings in. Engineering drawings could be optained from Aerostar or from an existing 52W. No additional structural engineering. The 52W uses 2, cockpit switched, facet 24v pumps to move fuel from the aux tanks to the mains. _____ From: Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E Sent: Mon 7/23/2007 5:15 PM Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 MALS-14 64E" <mark.bitterlich@navy.mil> Why not pull the whole mess out and put in TWO of those size tanks? Mark -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of viperdoc Sent: Monday, July 23, 2007 16:54 To: yak-list@matronics.com Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 --> Yak-List message posted by: "viperdoc" <viperdoc@mindspring.com> Tim, I tend to agree with you. Less plumbling ect. Still have to build a hard point(s) for attachment which will probably entail removing the exsisting fuel tanks. If you are going to do that then why not just weld a stainless steel 10 in section to the ends of the AUX tank. That if the calculation is correct will get you up to 42 gal total fuel. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Tim Gagnon Sent: Monday, July 23, 2007 2:24 PM To: yak-list@matronics.com Subject: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 --> Yak-List message posted by: "Tim Gagnon" <NiftyYak50@fuse.net> When you guys finishing the engineering, can you work on building a better ass..mine is limited to about an hour in these things! After that, I call work and have them book me a first class ticket. I think a centerline tank


    Message 16


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    Time: 07:22:13 PM PST US
    From: "viperdoc" <viperdoc@mindspring.com>
    Subject: Re: Yak-List Digest: 12 Msgs - 07/21/07
    Jeezee! One project at a time! 52 bladders fuel and CO scrubbers along with contained O2 systems! Seriously, A badder in that space in the fuselage would require fabrication of additional panels in attached to the bulkheads along with manufacturing a floor over the main spar. As it stands currently, I have a 1.5 hour but and bladder more fuel in the 50 could really be messy! Have you ever tried to use a piddle pack in a 50 without an autopilot? Danged it is hard enough in the Viper. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of A. Dennis Savarese Sent: Monday, July 23, 2007 8:19 PM Subject: Re: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 <dsavarese@elmore.rr.com> I really think I could develop a fuel bladder to replace BOTH tanks and add another 50% more gas without increasing the area required by the existing fuel tanks. Dennis ----- Original Message ----- From: "Roger Kemp" <viperdoc@mindspring.com> Sent: Monday, July 23, 2007 8:06 PM Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 > > Mark, > I do not think you or I could fit danged shoulders in the hell hole to > work > on anything else if two Aux tanks were fitted in the space. I'm not sure > one > could get a second tank in that space so easily either. > Doc > > -----Original Message----- > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of Bitterlich, Mark > G > CIV Det Cherry Point, MALS-14 64E > Sent: Monday, July 23, 2007 4:16 PM > To: yak-list@matronics.com > Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 > > MALS-14 64E" <mark.bitterlich@navy.mil> > > Why not pull the whole mess out and put in TWO of those size tanks? > > Mark > > > -----Original Message----- > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of viperdoc > Sent: Monday, July 23, 2007 16:54 > To: yak-list@matronics.com > Subject: RE: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 > > > Tim, > I tend to agree with you. Less plumbling ect. Still have to build a hard > point(s) for attachment which will probably entail removing the > exsisting fuel tanks. If you are going to do that then why not just weld > a stainless steel 10 in section to the ends of the AUX tank. That if the > calculation is correct will get you up to 42 gal total fuel. > Doc > > -----Original Message----- > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of Tim Gagnon > Sent: Monday, July 23, 2007 2:24 PM > To: yak-list@matronics.com > Subject: Yak-List: Re: Yak-List Digest: 12 Msgs - 07/21/07 > > > When you guys finishing the engineering, can you work on building a > better ass..mine is limited to about an hour in these things! After > that, I call work and have them book me a first class ticket. > > I think a centerline tank would look way cooler and I think would > require less engineering. I know someone who could knock it out pretty > quickly. The same guy who did my bottle set-up....the guy is scary good > and we talked in passing about it...his reply "no problem". > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=125379#125379 > > >




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