Yak-List Digest Archive

Mon 11/02/09


Total Messages Posted: 13



Today's Message Index:
----------------------
 
     1. 01:56 AM - Re: tow bar -Yak (Didier Blouzard)
     2. 05:51 AM - Re: Yak spare parts (doug sapp)
     3. 06:42 AM - Re: Yak spare parts (A. Dennis Savarese)
     4. 06:56 AM - Re: strange behavior of braking system (Didier Blouzard)
     5. 08:56 AM - Re: strange behavior of braking system (doug sapp)
     6. 01:14 PM - Re: strange behavior of braking system (vectorwarbirds@aol.com)
     7. 03:26 PM - Re: strange behavior of braking system (Vic)
     8. 03:34 PM - Re: Yak spare parts (Vic)
     9. 03:46 PM - Re: Yak spare parts (tigeryak18t)
    10. 04:02 PM - Re: strange behavior of braking system (doug sapp)
    11. 04:09 PM - Re: strange behavior of braking system (vectorwarbirds@aol.com)
    12. 04:23 PM - Re: Re: Yak spare parts (Susan Lord)
    13. 08:15 PM - Re: Yak spare parts (Noplugs)
 
 
 


Message 1


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    Time: 01:56:01 AM PST US
    Subject: Re: tow bar -Yak
    From: Didier Blouzard <didier.blouzard@gmail.com>
    Hi, I have the original compact/folding tow bar. It's aYak size russian tow bar but the advantage is that it has pins that allow you to fold it in two parts making it compact enough to get in a 18T luggage compartment. I can tke measures and close pictures of it if it can help. Just say if you want. Kind regards Didier 18T HA-JAC 2009/11/1 delfin <l29delfin@yahoo.com> > > > I am looking to buy, or make a tow bar for use with a tug for my YAK-52. I > see a drawing of a tug tow bar in the manuals page 439 chapter 12. part > number 529800-70 "Furca De Tractare" > > Does anyone have one for sale, have any detailed drawing or photos? I have > the hand tow bar, but would like this for use with a tug. Any thoughts? > > > * > > * > > -- Didier BLOUZARD didier.blouzard@gmail.com 0624243672


    Message 2


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    Time: 05:51:17 AM PST US
    Subject: Re: Yak spare parts
    From: doug sapp <dougsappllc@gmail.com>
    Didiler, I have also just recalled that I had several diaphragms at Red Star last year and ended up bringing one back home with me. Contact me off list if you need it. Doug On Sun, Nov 1, 2009 at 4:26 PM, A. Dennis Savarese < dsavarese0812@bellsouth.net> wrote: > Didier, > Everything Doc says is of course accurate. However, I would add, based on > you description of the problem, consider overhauling the brake reducing > valve, since this is where application of the brakes starts after the > mechanical pull of the brake handle. Regarding the carburetor diaphragm, > WLAC does not have the diaphragms. Mark Jefferies does. > > Doug Sapp has the prop seals as well as the brake reducing valve overhaul > kit. > Dennis > > > ----- Original Message ----- > *From:* Roger Kemp M.D. <viperdoc@mindspring.com> > *To:* yak-list@matronics.com > *Sent:* Saturday, October 31, 2009 8:39 PM > *Subject:* RE: Yak-List: Yak spare parts > > > > > Didier, > A couple of Answers. West London Aero Club has the diaphragms, air refill > adapter, and prop seal kits. The URL is http://www.wlacrussianeng.co.uk > As for your brake issues, is this occurring after hard braking or a long > taxi with frequent application of the brakes. If so you are experiencing > brake fade due to the drums/shoes heating up. You can also have a felt seal > on the wheel bearing leaking grease into the drum causing brake failure. > Glazed brake pads will cause weak braking also. Brakes pulling to one side > and being weak can mean grease on the shoes, glazed shoes, and leaking > brake > line off the top of my head. > Doc > > -----Original Message----- > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of tigeryak18t > Sent: Saturday, October 31, 2009 4:42 PM > To: yak-list@matronics.com > Subject: Yak-List: Yak spare parts > > > Hello again > > these questions will probably find an answer with Deniss, but any help is > very welcome. > > 1)I am looking for the "carburator diaphragm". Where can I find one or two > and is it a part difficult to replace? > > 2)Do you know if it is possible to add a Tee for inflating both the main > system and the emergency system? (I saw that in a 52) > > 3)Deniss I forgot to whom shall I ask for the prop seal kit??? could you > please have the kindness to tell me who?? > > 4)I have fluctuations in my gauges indications. It seems that it could come > from the floatters. Do you know if it is possible ti find these foam > floatters or to repair it or to find the gauges (picture are attached) > > Thanks so much to all for any hints and tips. > > Kind regards > > Didier HA-JAC > RA 1006K > > -------- > Didier Tiger YAK18T > Member of Commemorative Air Force > French Wing > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=270268#270268 > > > Attachments: > > http://forums.matronics.com//files/img_0938_831.jpg > > > http://www.matronics.com/c Thank you for your generous > ; -Matt Dralle, List nbsp; Navigator Photoshare, > and href="http://www.matronics.com/Navigator?Yak-List"> > http://www.matronics========================<; via the Web href=" > http://forums.matronics.com">http://forums.matronics.com > _============= > > > * > > * > > -- Maybe life is not the party that we were expecting, but in the mean time, we're here and we can still dance....." Douglas Sapp Doug Sapp LLC 18B Riverview Road Omak WA 98841 PH 509-826-4610 Fax 509-826-3644


    Message 3


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    Time: 06:42:27 AM PST US
    From: "A. Dennis Savarese" <dsavarese0812@bellsouth.net>
    Subject: Re: Yak spare parts
    Doug, The carburetor diaphragm for the M14 is slightly different than the one on the Housai carburetor and are not interchangeable "out of the box". In the attached photo, the M14 carburetor diaphragm is on the left. I'm sure by using a proper size leather punch and overlaying the diaphragms, one could punch out the additional holes in the Chinese diaphragm and adapt it to the M14 carburetor. Dennis ----- Original Message ----- From: doug sapp To: yak-list@matronics.com Sent: Monday, November 02, 2009 7:45 AM Subject: Re: Yak-List: Yak spare parts Didiler, I have also just recalled that I had several diaphragms at Red Star last year and ended up bringing one back home with me. Contact me off list if you need it. Doug On Sun, Nov 1, 2009 at 4:26 PM, A. Dennis Savarese <dsavarese0812@bellsouth.net> wrote: Didier, Everything Doc says is of course accurate. However, I would add, based on you description of the problem, consider overhauling the brake reducing valve, since this is where application of the brakes starts after the mechanical pull of the brake handle. Regarding the carburetor diaphragm, WLAC does not have the diaphragms. Mark Jefferies does. Doug Sapp has the prop seals as well as the brake reducing valve overhaul kit. Dennis ----- Original Message ----- From: Roger Kemp M.D. To: yak-list@matronics.com Sent: Saturday, October 31, 2009 8:39 PM Subject: RE: Yak-List: Yak spare parts <viperdoc@mindspring.com> Didier, A couple of Answers. West London Aero Club has the diaphragms, air refill adapter, and prop seal kits. The URL is http://www.wlacrussianeng.co.uk As for your brake issues, is this occurring after hard braking or a long taxi with frequent application of the brakes. If so you are experiencing brake fade due to the drums/shoes heating up. You can also have a felt seal on the wheel bearing leaking grease into the drum causing brake failure. Glazed brake pads will cause weak braking also. Brakes pulling to one side and being weak can mean grease on the shoes, glazed shoes, and leaking brake line off the top of my head. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of tigeryak18t Sent: Saturday, October 31, 2009 4:42 PM To: yak-list@matronics.com Subject: Yak-List: Yak spare parts <didier.blouzard@gmail.com> Hello again these questions will probably find an answer with Deniss, but any help is very welcome. 1)I am looking for the "carburator diaphragm". Where can I find one or two and is it a part difficult to replace? 2)Do you know if it is possible to add a Tee for inflating both the main system and the emergency system? (I saw that in a 52) 3)Deniss I forgot to whom shall I ask for the prop seal kit??? could you please have the kindness to tell me who?? 4)I have fluctuations in my gauges indications. It seems that it could come from the floatters. Do you know if it is possible ti find these foam floatters or to repair it or to find the gauges (picture are attached) Thanks so much to all for any hints and tips. Kind regards Didier HA-JAC RA 1006K -------- Didier Tiger YAK18T Member of Commemorative Air Force French Wing Read this topic online here: http://forums.matronics.com/viewtopic.php?p=270268#270268 Attachments: http://forums.matronics.com//files/img_0938_831.jpg http://www.matronics.com/c Thank you for your generous ; -Matt Dralle, List nbsp; Navigator Photoshare, and href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics ========================< ; via the Web href="http://forums.matronics.com">http://forums.matronics.com _============= _blank">www.aeroelectric.com .com" target="_blank">www.buildersbooks.com ="_blank">www.homebuilthelp.com _blank">http://www.matronics.com/contribution et="_blank">http://www.matronics.com/Navigator?Yak-List a>http://forums.matronics.com -- Maybe life is not the party that we were expecting, but in the mean time, we're here and we can still dance....." Douglas Sapp Doug Sapp LLC 18B Riverview Road Omak WA 98841 PH 509-826-4610 Fax 509-826-3644


    Message 4


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    Time: 06:56:50 AM PST US
    Subject: Re: strange behavior of braking system
    From: Didier Blouzard <didier.blouzard@gmail.com>
    Deniss, Doug, what you are both saying goes in the same way. I will have a look and seeif it can be overhauled. I did a complete overhaul of the uplock cylinders both on my 18T and 52. Three on six did look really really bad and needed a complete overhaul. I will asap have a look on the valves QS1 and 2. Doug I will contact you in private for a quote. Still there is a remaining question concerning the foam floater of the fuel gauge....any idea?? Thanks very much to all and have a great day Didier 2009/11/1 doug sapp <dougsappllc@gmail.com> > Didier, > It could be one of maybe 4 things: > > 1. You are not getting the proper amount of air volume or pressure out > of the QS-1valve, in "CJ speak" this is the valve which reduces the amount > of air pressure and sends it on to the QS2 which is responsible for > breaking, both differential and straight ahead. > 2. The QS2 has bad seals or is full of corrosion. Again, QS-1 and QS-2 > are CJ6 P/N's, but I am pretty sire that the inner workings all utilize the > same parts. > 3. Your brake pads or drums are very badly worn. (again same as CJ6) > 4. You have a leak in BOTH of your brake bladders, which is > highly unlikely. (also same as CJ6) > > Unless you have recently replaced/overhauled this portion of your air > system my guess would be that your QS-1 and QS-2 valves are in need of > replacement or overhaul. Knowing that the 52 does not have a water filter > in the air system I suspect that you will find that the internal parts are > pretty nasty. > > I carry both the QS-1 and QS-2 overhaul kits as well as the water filter > mod in inventory, please contact me off list to order. > > Always Yakin, > Doug > > > On Sat, Oct 31, 2009 at 1:30 PM, tigeryak18t <didier.blouzard@gmail.com>wrote: > >> >> Hello to all, >> >> first of all I must tell you that I had a very good day together with my >> friend Christophe Bourillon owner of a superb YAK18T (see the picture >> attached). As you can see the weather in Normandy France, was.....not very >> good today but we, yakees, use to fly nearly anytime...that's a joke of >> course. If you read this Christophe thanks for this very nice day. >> >> My question is regarding the 52 braking system. Sometime, with not any >> particular reason, when I try to brake after landing and during taxying, I >> pull the brake and nothing happen. I can hear the hiss of air but no braking >> (or very inneficient) then after pumping a few time braking comes back. I >> was wondering if this could have any link with the Brake Reduction Valve or >> anything else?? >> >> Has anyone experimented such behavior? >> >> Thanks for your help >> >> Didier 18T HA-JAC >> 52 RA1006K >> >> -------- >> Didier Tiger YAK18T >> Member of Commemorative Air Force >> French Wing >> >> >> >> >> Read this topic online here: >> >> http://forums.matronics.com/viewtopic.php?p=270265#270265 >> >> >> >> >> Attachments: >> >> http://forums.matronics.com//files/img_0753_123.jpg >> >> >> >> >> ========== >> ="_blank">www.aeroelectric.com >> ooks.com" target="_blank">www.buildersbooks.com >> et="_blank">www.homebuilthelp.com >> ="_blank">http://www.matronics.com/contribution >> le, List Admin. >> ========== >> rget="_blank">http://www.matronics.com/Navigator?Yak-List >> ========== >> http://forums.matronics.com >> ========== >> >> >> >> > > > -- > Maybe life is not the party that we were expecting, > but in the mean time, we're here and we can still dance....." > Douglas Sapp > Doug Sapp LLC > 18B Riverview Road > Omak WA 98841 > PH 509-826-4610 > Fax 509-826-3644 > > * > > * > > -- Didier BLOUZARD didier.blouzard@gmail.com 0624243672


    Message 5


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    Time: 08:56:09 AM PST US
    Subject: Re: strange behavior of braking system
    From: doug sapp <dougsappllc@gmail.com>
    Didier, I have never seen a foam fuel sender float "water-logged" or more correctly "fuel-logged". This was a problem in the early metal floats, but not the closed cell foam units. I would suspect the windings in the sender before I suspected the float. I carry both the senders and the floats in stock if you need them. All orders off line please. Doug On Mon, Nov 2, 2009 at 6:24 AM, Didier Blouzard <didier.blouzard@gmail.com>wrote: > Deniss, Doug, > > what you are both saying goes in the same way. I will have a look and seeif > it can be overhauled. I did a complete overhaul of the uplock cylinders both > on my 18T and 52. Three on six did look really really bad and needed a > complete overhaul. > I will asap have a look on the valves QS1 and 2. > Doug I will contact you in private for a quote. > > Still there is a remaining question concerning the foam floater of the fuel > gauge....any idea?? > > > Thanks very much to all and have a great day > > > Didier > > > 2009/11/1 doug sapp <dougsappllc@gmail.com> > >> Didier, >> It could be one of maybe 4 things: >> >> 1. You are not getting the proper amount of air volume or pressure out >> of the QS-1valve, in "CJ speak" this is the valve which reduces the amount >> of air pressure and sends it on to the QS2 which is responsible for >> breaking, both differential and straight ahead. >> 2. The QS2 has bad seals or is full of corrosion. Again, QS-1 and >> QS-2 are CJ6 P/N's, but I am pretty sire that the inner workings >> all utilize the same parts. >> 3. Your brake pads or drums are very badly worn. (again same as CJ6) >> 4. You have a leak in BOTH of your brake bladders, which is >> highly unlikely. (also same as CJ6) >> >> Unless you have recently replaced/overhauled this portion of your air >> system my guess would be that your QS-1 and QS-2 valves are in need of >> replacement or overhaul. Knowing that the 52 does not have a water filter >> in the air system I suspect that you will find that the internal parts are >> pretty nasty. >> >> I carry both the QS-1 and QS-2 overhaul kits as well as the water filter >> mod in inventory, please contact me off list to order. >> >> Always Yakin, >> Doug >> >> >> On Sat, Oct 31, 2009 at 1:30 PM, tigeryak18t <didier.blouzard@gmail.com>wrote: >> >>> > >>> >>> Hello to all, >>> >>> first of all I must tell you that I had a very good day together with my >>> friend Christophe Bourillon owner of a superb YAK18T (see the picture >>> attached). As you can see the weather in Normandy France, was.....not very >>> good today but we, yakees, use to fly nearly anytime...that's a joke of >>> course. If you read this Christophe thanks for this very nice day. >>> >>> My question is regarding the 52 braking system. Sometime, with not any >>> particular reason, when I try to brake after landing and during taxying, I >>> pull the brake and nothing happen. I can hear the hiss of air but no braking >>> (or very inneficient) then after pumping a few time braking comes back. I >>> was wondering if this could have any link with the Brake Reduction Valve or >>> anything else?? >>> >>> Has anyone experimented such behavior? >>> >>> Thanks for your help >>> >>> Didier 18T HA-JAC >>> 52 RA1006K >>> >>> -------- >>> Didier Tiger YAK18T >>> Member of Commemorative Air Force >>> French Wing >>> >>> >>> >>> >>> Read this topic online here: >>> >>> http://forums.matronics.com/viewtopic.php?p=270265#270265 >>> >>> >>> >>> >>> Attachments: >>> >>> http://forums.matronics.com//files/img_0753_123.jpg >>> >>> >>> >>> >>> ========== >>> ="_blank">www.aeroelectric.com >>> ooks.com" target="_blank">www.buildersbooks.com >>> et="_blank">www.homebuilthelp.com >>> ="_blank">http://www.matronics.com/contribution >>> le, List Admin. >>> ========== >>> rget="_blank">http://www.matronics.com/Navigator?Yak-List >>> ========== >>> http://forums.matronics.com >>> ========== >>> >>> >>> >>> >> >> >> -- >> Maybe life is not the party that we were expecting, >> but in the mean time, we're here and we can still dance....." >> Douglas Sapp >> Doug Sapp LLC >> 18B Riverview Road >> Omak WA 98841 >> PH 509-826-4610 >> Fax 509-826-3644 >> >> * >> >> "_blank">www.aeroelectric.com >> >> .com/" target="_blank"> <http://www.buildersbooks.com/>www.buildersbooks.com >> >> ="_blank"> <http://www.homebuilthelp.com/>www.homebuilthelp.com >> _blank"> <http://www.matronics.com/contribution>http://www.matronics.com/contribution >> >> et="_blank"> <http://www.matronics.com/Navigator?Yak-List>http://www.matronics.com/Navigator?Yak-List >> >> a href="http://forums.matronics.com/" target="_blank">http://forums.matronics.com >> * >> >> > > > -- > Didier BLOUZARD > <didier.blouzard@gmail.com>didier.blouzard@gmail.com > 0624243672 > > * > > * > > -- Maybe life is not the party that we were expecting, but in the mean time, we're here and we can still dance....." Douglas Sapp Doug Sapp LLC 18B Riverview Road Omak WA 98841 PH 509-826-4610 Fax 509-826-3644


    Message 6


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    Time: 01:14:10 PM PST US
    Subject: Re: strange behavior of braking system
    From: vectorwarbirds@aol.com
    Gang, Well I have, Johns Yak 18T had one. If you submerged it in fuel it sank to the bottom or about half way. Don't know if this was something in the Russian fuel or what but once replaced the gauge worked normally. So pre tty easy to check, just take it out , off the arm and drop it in fuel. Jus t don't let it sit around and dry out before you test it. TGB -----Original Message----- From: doug sapp <dougsappllc@gmail.com> Sent: Mon, Nov 2, 2009 9:55 am Subject: Re: Yak-List: strange behavior of braking system Didier, I have never seen a foam fuel sender float "water-logged" or more correctl y "fuel-logged". This was a problem in the early metal floats, but not the closed cell foam units. I would suspect the windings in the sender before I suspected the float. I carry both the senders and the floats in stock if you need them. All orders off line please. Doug On Mon, Nov 2, 2009 at 6:24 AM, Didier Blouzard <didier.blouzard@gmail.com > wrote: Deniss, Doug, what you are both saying goes in the same way. I will have a look and seei f it can be overhauled. I did a complete overhaul of the uplock cylinders both on my 18T and 52. Three on six did look really really bad and needed a complete overhaul. I will asap have a look on the valves QS1 and 2. Doug I will contact you in private for a quote. Still there is a remaining question concerning the foam floater of the fue l gauge....any idea?? Thanks very much to all and have a great day Didier 2009/11/1 doug sapp <dougsappllc@gmail.com> Didier, It could be one of maybe 4 things: You are not getting the proper amount of air volume or pressure out of the QS-1valve, in "CJ speak" this is the valve which reduces the amount of ai r pressure and sends it on to the QS2 which is responsible for breaking, both differential and straight ahead. The QS2 has bad seals or is full of corrosion. Again, QS-1 and QS-2 are CJ6 P/N's, but I am pretty sire that the inner workings all utilize the same parts. Your brake pads or drums are very badly worn. (again same as CJ6) You have a leak in BOTH of your brake bladders, which is highly unlikely. (also same as CJ6) Unless you have recently replaced/overhauled this portion of your air syst em my guess would be that your QS-1 and QS-2 valves are in need of replace ment or overhaul. Knowing that the 52 does not have a water filter in the air system I suspect that you will find that the internal parts are prett y nasty. I carry both the QS-1 and QS-2 overhaul kits as well as the water filter mod in inventory, please contact me off list to order. Always Yakin, Doug On Sat, Oct 31, 2009 at 1:30 PM, tigeryak18t <didier.blouzard@gmail.com> wrote: Hello to all, first of all I must tell you that I had a very good day together with my friend Christophe Bourillon owner of a superb YAK18T (see the picture att ached). As you can see the weather in Normandy France, was.....not very go od today but we, yakees, use to fly nearly anytime...that's a joke of cour se. If you read this Christophe thanks for this very nice day. My question is regarding the 52 braking system. Sometime, with not any par ticular reason, when I try to brake after landing and during taxying, I pu ll the brake and nothing happen. I can hear the hiss of air but no braking (or very inneficient) then after pumping a few time braking comes back. I was wondering if this could have any link with the Brake Reduction Valv e or anything else?? Has anyone experimented such behavior? Thanks for your help Didier 18T HA-JAC 52 RA1006K -------- Didier Tiger YAK18T Member of Commemorative Air Force French Wing Read this topic online here: http://forums.matronics.com/viewtopic.php?p=270265#270265 Attachments: http://forums.matronics.com//files/img_0753_123.jpg ="_blank">www.aeroelectric.com ooks.com" target="_blank">www.buildersbooks.com et="_blank">www.homebuilthelp.com ="_blank">http://www.matronics.com/contribution le, List Admin. rget="_blank">http://www.matronics.com/Navigator?Yak-List http://forums.matronics.com -- Maybe life is not the party that we were expecting, but in the mean time, we're here and we can still dance....." Douglas Sapp Doug Sapp LLC 18B Riverview Road Omak WA 98841 PH 509-826-4610 Fax 509-826-3644 "_blank">www.aeroelectric.com com/" target="_blank">www.buildersbooks.com "_blank">www.homebuilthelp.com blank">http://www.matronics.com/contribution t="_blank">http://www.matronics.com/Navigator?Yak-List a href="http://forums.matronics.com/" target="_blank">http://forums.ma tronics.com -- Didier BLOUZARD didier.blouzard@gmail.com 0624243672 _blank">www.aeroelectric.com com" target="_blank">www.buildersbooks.com "_blank">www.homebuilthelp.com blank">http://www.matronics.com/contribution t="_blank">http://www.matronics.com/Navigator?Yak-List >http://forums.matronics.com -- Maybe life is not the party that we were expecting, but in the mean time, we're here and we can still dance....." Douglas Sapp Doug Sapp LLC 18B Riverview Road Omak WA 98841 PH 509-826-4610 Fax 509-826-3644 ======================== =========== - -= -- Please Support Your Lists This Month -- -= (And Get Some AWESOME FREE Gifts!) - -= November is the Annual List Fund Raiser. Click on -= the Contribution link below to find out more about -= this year's Terrific Free Incentive Gifts provided -= by: -= * AeroElectric www.aeroelectric.com -= * The Builder's Bookstore www.buildersbooks.com -= * HomebuiltHELP www.homebuilthelp.com - -= List Contribution Web Site: - -= --> http://www.matronics.com/contribution - -= Thank you for your generous support! - -= -Matt Dralle, List Admin. - -======================== ======================== =========== -= - The Yak-List Email Forum - -= Use the Matronics List Features Navigator to browse -= the many List utilities such as List Un/Subscription, -= Archive Search & Download, 7-Day Browse, Chat, FAQ, -= Photoshare, and much much more: - -= --> http://www.matronics.com/Navigator?Yak-List - -======================== ======================== =========== -= - MATRONICS WEB FORUMS - -= Same great content also available via the Web Forums! - -= --> http://forums.matronics.com - -======================== ======================== ===========


    Message 7


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    Time: 03:26:04 PM PST US
    Subject: Re: strange behavior of braking system
    From: "Vic" <vicmolnar@aol.com>
    Hello, once again, there is most likely no problem with the resistor windings, as this can be checked by moving the float lever by hand, when you take out the sender unit from the wing tank and check the readings in the cockpit. You will find "full" when the lever is up and "empty" when you drop the lever. And at intermediate positions of the lever you will have corresponding readings in the cockpit. Of course it is not a bad idea to open the sender unit cover and clean the windings in the area where the contact finger moves. The foam float definitely shrinks or soaks at the same time in fuel. I dont know if that is true for avgas use only, but I found the same problem on our 18T after some years with mainly auto fuel use. The Yak was John Scarboroughs from Lincolnshire. One temporary repair is to add a very light spring to the lever to compensate the loss of lift following shrinkage/soaking of the float. kind regards Vic Read this topic online here: http://forums.matronics.com/viewtopic.php?p=270642#270642


    Message 8


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    Time: 03:34:29 PM PST US
    Subject: Re: Yak spare parts
    From: "Vic" <vicmolnar@aol.com>
    Hello Didier, in the West London Aero Club inventory the diaphragm is still listed, I had one from them one or two years ago. The exchange rate from Pounds to Euro is great and you may save a lot for shipping from UK if they still have the part on stock, of course. best regards Vic Read this topic online here: http://forums.matronics.com/viewtopic.php?p=270644#270644


    Message 9


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    Time: 03:46:23 PM PST US
    Subject: Re: Yak spare parts
    From: "tigeryak18t" <didier.blouzard@gmail.com>
    Vic, sounds interesting. I definitely will try to change the foam and clean the sensor before changing all the parts. And I runned the check you are describing (moving the float outside the tank) and the sensor seems to works just fine. thanks very much for your input kind regards Didier -------- Didier Tiger YAK18T Member of Commemorative Air Force French Wing Read this topic online here: http://forums.matronics.com/viewtopic.php?p=270647#270647


    Message 10


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    Time: 04:02:37 PM PST US
    Subject: Re: strange behavior of braking system
    From: doug sapp <dougsappllc@gmail.com>
    TGB in Bunnutopia, I wonder if funky Russian auto fuel is the culprit? I have never seen this happen (yet) in CJ floats. Is the CJ sender and float interchangeable with the 18T? Doug On Mon, Nov 2, 2009 at 1:06 PM, <vectorwarbirds@aol.com> wrote: > Gang, > > Well I have, Johns Yak 18T had one. If you submerged it in fuel it sank to > the bottom or about half way. Don't know if this was something in the > Russian fuel or what but once replaced the gauge worked normally. So pretty > easy to check, just take it out , off the arm and drop it in fuel. Just > don't let it sit around and dry out before you test it. > > TGB > > > -----Original Message----- > From: doug sapp <dougsappllc@gmail.com> > To: yak-list@matronics.com > Sent: Mon, Nov 2, 2009 9:55 am > Subject: Re: Yak-List: strange behavior of braking system > > Didier, > I have never seen a foam fuel sender float "water-logged" or more correctly > "fuel-logged". This was a problem in the early metal floats, but not the > closed cell foam units. I would suspect the windings in the sender before > I suspected the float. I carry both the senders and the floats in stock if > you need them. > > All orders off line please. > > Doug > > On Mon, Nov 2, 2009 at 6:24 AM, Didier Blouzard <didier.blouzard@gmail.com > > wrote: > >> Deniss, Doug, >> >> what you are both saying goes in the same way. I will have a look and >> seeif it can be overhauled. I did a complete overhaul of the uplock >> cylinders both on my 18T and 52. Three on six did look really really bad and >> needed a complete overhaul. >> I will asap have a look on the valves QS1 and 2. >> Doug I will contact you in private for a quote. >> >> Still there is a remaining question concerning the foam floater of the >> fuel gauge....any idea?? >> >> >> Thanks very much to all and have a great day >> >> >> Didier >> >> >> >> >> 2009/11/1 doug sapp <dougsappllc@gmail.com> >> >>> Didier, >>> It could be one of maybe 4 things: >>> >>> 1. You are not getting the proper amount of air volume or pressure >>> out of the QS-1valve, in "CJ speak" this is the valve which reduces the >>> amount of air pressure and sends it on to the QS2 which is responsible for >>> breaking, both differential and straight ahead. >>> 2. The QS2 has bad seals or is full of corrosion. Again, QS-1 and >>> QS-2 are CJ6 P/N's, but I am pretty sire that the inner workings >>> all utilize the same parts. >>> 3. Your brake pads or drums are very badly worn. (again same as CJ6) >>> 4. You have a leak in BOTH of your brake bladders, which is >>> highly unlikely. (also same as CJ6) >>> >>> Unless you have recently replaced/overhauled this portion of your air >>> system my guess would be that your QS-1 and QS-2 valves are in need of >>> replacement or overhaul. Knowing that the 52 does not have a water filter >>> in the air system I suspect that you will find that the internal parts are >>> pretty nasty. >>> >>> I carry both the QS-1 and QS-2 overhaul kits as well as the water filter >>> mod in inventory, please contact me off list to order. >>> >>> Always Yakin, >>> Doug >>> >>> >>> On Sat, Oct 31, 2009 at 1:30 PM, tigeryak18t <didier.blouzard@gmail.com>wrote: >>> >>>> didier.blouzard@gmail.com> >>>> >>>> Hello to all, >>>> >>>> first of all I must tell you that I had a very good day together with >>>> my friend Christophe Bourillon owner of a superb YAK18T (see the picture >>>> attached). As you can see the weather in Normandy France, was.....not very >>>> good today but we, yakees, use to fly nearly anytime...that's a joke of >>>> course. If you read this Christophe thanks for this very nice day. >>>> >>>> My question is regarding the 52 braking system. Sometime, with not any >>>> particular reason, when I try to brake after landing and during taxying, I >>>> pull the brake and nothing happen. I can hear the hiss of air but no braking >>>> (or very inneficient) then after pumping a few time braking comes back. I >>>> was wondering if this could have any link with the Brake Reduction Valve or >>>> anything else?? >>>> >>>> Has anyone experimented such behavior? >>>> >>>> Thanks for your help >>>> >>>> Didier 18T HA-JAC >>>> 52 RA1006K >>>> >>>> -------- >>>> Didier Tiger YAK18T >>>> Member of Commemorative Air Force >>>> French Wing >>>> >>>> >>>> >>>> >>>> Read this topic online here: >>>> >>>> http://forums.matronics.com/viewtopic.php?p=270265#270265 >>>> >>>> >>>> >>>> >>>> Attachments: >>>> >>>> http://forums.matronics.com//files/img_0753_123.jpg >>>> >>>> >>>> >>>> >>>> ========== >>>> ="_blank">www.aeroelectric.com >>>> ooks.com" target="_blank">www.buildersbooks.com >>>> et="_blank">www.homebuilthelp.com >>>> ="_blank">http://www.matronics.com/contribution >>>> le, List Admin. >>>> ========== >>>> rget="_blank">http://www.matronics.com/Navigator?Yak-List >>>> ========== >>>> http://forums.matronics.com >>>> ========== >>>> >>>> >>>> >>>> >>> >>> >>> -- >>> Maybe life is not the party that we were expecting, >>> but in the mean time, we're here and we can still dance....." >>> Douglas Sapp >>> Doug Sapp LLC >>> 18B Riverview Road >>> Omak WA 98841 >>> PH 509-826-4610 >>> Fax 509-826-3644 >>> >>> * >>> >>> "_blank">www.aeroelectric.com >>> >>> .com/" target="_blank"> <http://www.buildersbooks.com/>www.buildersbooks.com >>> >>> >>> ="_blank"> <http://www.homebuilthelp.com/>www.homebuilthelp.com >>> _blank"> <http://www.matronics.com/contribution>http://www.matronics.com/contribution >>> >>> >>> et="_blank"> <http://www.matronics.com/Navigator?Yak-List>http://www.matronics.com/Navigator?Yak-List >>> >>> >>> >>> a href="http://forums.matronics.com/" target="_blank">http://forums.matronics.com >>> * >>> >>> >> >> >> -- >> Didier BLOUZARD >> <didier.blouzard@gmail.com>didier.blouzard@gmail.com >> 0624243672 >> >> * >> >> _blank"> <http://www.aeroelectric.com/>www.aeroelectric.com >> .com" target="_blank"> <http://www.buildersbooks.com/>www.buildersbooks.com >> ="_blank"> <http://www.homebuilthelp.com/>www.homebuilthelp.com >> _blank"> <http://www.matronics.com/contribution>http://www.matronics.com/contribution >> et="_blank"> <http://www.matronics.com/Navigator?Yak-List>http://www.matronics.com/Navigator?Yak-List >> a> <http://forums.matronics.com/>http://forums.matronics.com >> * >> >> > > > -- > Maybe life is not the party that we were expecting, > but in the mean time, we're here and we can still dance....." > Douglas Sapp > Doug Sapp LLC > 18B Riverview Road > Omak WA 98841 > PH 509-826-4610 > Fax 509-826-3644 > > * > > =================================== > =_blank>www.aeroelectric.com > m/" target=_blank>www.buildersbooks.com > =_blank>www.homebuilthelp.com > _blank>http://www.matronics.com/contribution > =================================== > get=_blank>http://www.matronics.com/Navigator?Yak-List > =================================== > tp://forums.matronics.com > =================================== > * > > * > > * > > -- Maybe life is not the party that we were expecting, but in the mean time, we're here and we can still dance....." Douglas Sapp Doug Sapp LLC 18B Riverview Road Omak WA 98841 PH 509-826-4610 Fax 509-826-3644


    Message 11


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    Time: 04:09:35 PM PST US
    Subject: Re: strange behavior of braking system
    From: vectorwarbirds@aol.com
    You know Doug I think it was, kinda different shape and I think a differen t color as well but I know we didn't have a Yak float laying around! So ye p I think it was a CJ float. It was weird but you could feel the Yak flo at was heavier and then it sank in the fuel. It was just in from Russia so it had to be running on Russia vodka for some time! TGB -----Original Message----- From: doug sapp <dougsappllc@gmail.com> Sent: Mon, Nov 2, 2009 4:35 pm Subject: Re: Yak-List: strange behavior of braking system TGB in Bunnutopia, I wonder if funky Russian auto fuel is the culprit? I have never seen thi s happen (yet) in CJ floats. Is the CJ sender and float interchangeable with the 18T? Doug On Mon, Nov 2, 2009 at 1:06 PM, <vectorwarbirds@aol.com> wrote: Gang, Well I have, Johns Yak 18T had one. If you submerged it in fuel it sank to the bottom or about half way. Don't know if this was something in the Russian fuel or what but once replaced the gauge worked normally. So pre tty easy to check, just take it out , off the arm and drop it in fuel. Jus t don't let it sit around and dry out before you test it. TGB -----Original Message----- From: doug sapp <dougsappllc@gmail.com> Sent: Mon, Nov 2, 2009 9:55 am Subject: Re: Yak-List: strange behavior of braking system Didier, I have never seen a foam fuel sender float "water-logged" or more correctl y "fuel-logged". This was a problem in the early metal floats, but not the closed cell foam units. I would suspect the windings in the sender before I suspected the float. I carry both the senders and the floats in stock if you need them. All orders off line please. Doug On Mon, Nov 2, 2009 at 6:24 AM, Didier Blouzard <didier.blouzard@gmail.com > wrote: Deniss, Doug, what you are both saying goes in the same way. I will have a look and seei f it can be overhauled. I did a complete overhaul of the uplock cylinders both on my 18T and 52. Three on six did look really really bad and needed a complete overhaul. I will asap have a look on the valves QS1 and 2. Doug I will contact you in private for a quote. Still there is a remaining question concerning the foam floater of the fue l gauge....any idea?? Thanks very much to all and have a great day Didier 2009/11/1 doug sapp <dougsappllc@gmail.com> Didier, It could be one of maybe 4 things: You are not getting the proper amount of air volume or pressure out of the QS-1valve, in "CJ speak" this is the valve which reduces the amount of ai r pressure and sends it on to the QS2 which is responsible for breaking, both differential and straight ahead. The QS2 has bad seals or is full of corrosion. Again, QS-1 and QS-2 are CJ6 P/N's, but I am pretty sire that the inner workings all utilize the same parts. Your brake pads or drums are very badly worn. (again same as CJ6) You have a leak in BOTH of your brake bladders, which is highly unlikely. (also same as CJ6) Unless you have recently replaced/overhauled this portion of your air syst em my guess would be that your QS-1 and QS-2 valves are in need of replace ment or overhaul. Knowing that the 52 does not have a water filter in the air system I suspect that you will find that the internal parts are prett y nasty. I carry both the QS-1 and QS-2 overhaul kits as well as the water filter mod in inventory, please contact me off list to order. Always Yakin, Doug On Sat, Oct 31, 2009 at 1:30 PM, tigeryak18t <didier.blouzard@gmail.com> wrote: Hello to all, first of all I must tell you that I had a very good day together with my friend Christophe Bourillon owner of a superb YAK18T (see the picture att ached). As you can see the weather in Normandy France, was.....not very go od today but we, yakees, use to fly nearly anytime...that's a joke of cour se. If you read this Christophe thanks for this very nice day. My question is regarding the 52 braking system. Sometime, with not any par ticular reason, when I try to brake after landing and during taxying, I pu ll the brake and nothing happen. I can hear the hiss of air but no braking (or very inneficient) then after pumping a few time braking comes back. I was wondering if this could have any link with the Brake Reduction Valv e or anything else?? Has anyone experimented such behavior? Thanks for your help Didier 18T HA-JAC 52 RA1006K -------- Didier Tiger YAK18T Member of Commemorative Air Force French Wing Read this topic online here: http://forums.matronics.com/viewtopic.php?p=270265#270265 Attachments: http://forums.matronics.com//files/img_0753_123.jpg ="_blank">www.aeroelectric.com ooks.com" target="_blank">www.buildersbooks.com et="_blank">www.homebuilthelp.com ="_blank">http://www.matronics.com/contribution le, List Admin. rget="_blank">http://www.matronics.com/Navigator?Yak-List http://forums.matronics.com -- Maybe life is not the party that we were expecting, but in the mean time, we're here and we can still dance....." Douglas Sapp Doug Sapp LLC 18B Riverview Road Omak WA 98841 PH 509-826-4610 Fax 509-826-3644 "_blank">www.aeroelectric.com com/" target="_blank">www.buildersbooks.com "_blank">www.homebuilthelp.com blank">http://www.matronics.com/contribution t="_blank">http://www.matronics.com/Navigator?Yak-List a href="http://forums.matronics.com/" target="_blank">http://forums.ma tronics.com -- Didier BLOUZARD didier.blouzard@gmail.com 0624243672 _blank">www.aeroelectric.com com" target="_blank">www.buildersbooks.com "_blank">www.homebuilthelp.com blank">http://www.matronics.com/contribution t="_blank">http://www.matronics.com/Navigator?Yak-List >http://forums.matronics.com -- Maybe life is not the party that we were expecting, but in the mean time, we're here and we can still dance....." Douglas Sapp Doug Sapp LLC 18B Riverview Road Omak WA 98841 PH 509-826-4610 Fax 509-826-3644 =_blank>www.aeroelectric.com /" target=_blank>www.buildersbooks.com _blank>www.homebuilthelp.com blank>http://www.matronics.com/contribution et=_blank>http://www.matronics.com/Navigator?Yak-List p://forums.matronics.com _blank">www.aeroelectric.com com" target="_blank">www.buildersbooks.com "_blank">www.homebuilthelp.com blank">http://www.matronics.com/contribution t="_blank">http://www.matronics.com/Navigator?Yak-List >http://forums.matronics.com -- Maybe life is not the party that we were expecting, but in the mean time, we're here and we can still dance....." Douglas Sapp Doug Sapp LLC 18B Riverview Road Omak WA 98841 PH 509-826-4610 Fax 509-826-3644 ======================== =========== - -= -- Please Support Your Lists This Month -- -= (And Get Some AWESOME FREE Gifts!) - -= November is the Annual List Fund Raiser. Click on -= the Contribution link below to find out more about -= this year's Terrific Free Incentive Gifts provided -= by: -= * AeroElectric www.aeroelectric.com -= * The Builder's Bookstore www.buildersbooks.com -= * HomebuiltHELP www.homebuilthelp.com - -= List Contribution Web Site: - -= --> http://www.matronics.com/contribution - -= Thank you for your generous support! - -= -Matt Dralle, List Admin. - -======================== ======================== =========== -= - The Yak-List Email Forum - -= Use the Matronics List Features Navigator to browse -= the many List utilities such as List Un/Subscription, -= Archive Search & Download, 7-Day Browse, Chat, FAQ, -= Photoshare, and much much more: - -= --> http://www.matronics.com/Navigator?Yak-List - -======================== ======================== =========== -= - MATRONICS WEB FORUMS - -= Same great content also available via the Web Forums! - -= --> http://forums.matronics.com - -======================== ======================== ===========


    Message 12


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    Time: 04:23:53 PM PST US
    From: Susan Lord <tasport@msn.com>
    Subject: Re: Yak spare parts
    Fellow yak listers on the subject of spare parts I have a fraud alert that I would like to bring to everyone's attention=2C if you put a post on the y ak list and receive a response from a person named Griff Moore from the Uni ted Kingdom saying that he has the parts you need and to send him a deposit to pay for shipping don't=2C after you send him the money he hits you up f or another deposit saying he miscalculated the amount needed and can't ship them and when you ask for a refund he dissappears=2C just thought I would give everyone the heads-up=2C Todd. > Subject: Yak-List: Re: Yak spare parts > From: didier.blouzard@gmail.com > Date: Mon=2C 2 Nov 2009 15:45:56 -0800 > To: yak-list@matronics.com > > > Vic=2C > > sounds interesting. I definitely will try to change the foam and clean th e sensor before changing all the parts. > And I runned the check you are describing (moving the float outside the t ank) and the sensor seems to works just fine. > > thanks very much for your input > > kind regards > > Didier > > -------- > Didier Tiger YAK18T > Member of Commemorative Air Force > French Wing > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=270647#270647 > > > > > > > =========== =========== =========== =========== > > >


    Message 13


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    Time: 08:15:53 PM PST US
    Subject: Re: Yak spare parts
    From: "Noplugs" <qas44n@yahoo.com>
    Also look out for this person I found out thought other forums he is running a scam also. "Christopher Adamson" adamson.christopher1@gmail.com Read this topic online here: http://forums.matronics.com/viewtopic.php?p=270669#270669




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