---------------------------------------------------------- Yak-List Digest Archive --- Total Messages Posted Fri 06/10/16: 11 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 01:42 AM - Re: Yak-List Digest: 4 Msgs - 06/09/16 (John B) 2. 04:14 AM - Re: Brake drum wear info (A. Dennis Savarese) 3. 04:20 AM - Re: gear handle hiss (A. Dennis Savarese) 4. 04:24 AM - Re: gear handle hiss (A. Dennis Savarese) 5. 09:50 AM - Yak 55 tailwheel spring arms (John B) 6. 12:58 PM - Re: gear handle hiss (Roger Kemp) 7. 01:55 PM - : Yak 55 tailwheel spring arms (Royden Heays) 8. 02:15 PM - Re: Re: Yak-List Digest: 4 Msgs - 06/09/16 (Royden Heays) 9. 03:18 PM - Re: Re: Yak-List Digest: 4 Msgs - 06/09/16 (John B) 10. 08:47 PM - Re: Re: Yak-List Digest: 4 Msgs - 06/09/16 (John B) 11. 09:17 PM - Re: Re: Yak-List Digest: 4 Msgs - 06/09/16 (John B) ________________________________ Message 1 _____________________________________ Time: 01:42:14 AM PST US From: John B Subject: Yak-List: Re: Yak-List Digest: 4 Msgs - 06/09/16 Gentlemen- Does anyone have weight and balance instructions and limits for the Yak 55M? Thank you! John B On Fri, Jun 10, 2016 at 12:03 AM, Yak-List Digest Server < yak-list@matronics.com> wrote: > * > > ================================================= > Online Versions of Today's List Digest Archive > ================================================= > > Today's complete Yak-List Digest can also be found in either of the > two Web Links listed below. The .html file includes the Digest formatted > in HTML for viewing with a web browser and features Hyperlinked Indexes > and Message Navigation. The .txt file includes the plain ASCII version > of the Yak-List Digest and can be viewed with a generic text editor > such as Notepad or with a web browser. > > HTML Version: > > > http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 16-06-09&Archive=Yak > > Text Version: > > > http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 16-06-09&Archive=Yak > > > =============================================== > EMail Version of Today's List Digest Archive > =============================================== > > > ---------------------------------------------------------- > Yak-List Digest Archive > --- > Total Messages Posted Thu 06/09/16: 4 > ---------------------------------------------------------- > > > Today's Message Index: > ---------------------- > > 1. 04:50 AM - Re: (Richard Goode) > 2. 04:29 PM - gear handle hiss (danbooker) > 3. 04:51 PM - Re: gear handle hiss (doug sapp) > 4. 06:27 PM - Brake drum wear info (doug sapp) > > > ________________________________ Message 1 > _____________________________________ > > > Time: 04:50:46 AM PST US > From: "Richard Goode" > Subject: RE: Yak-List: > > While I suspect there are good sources of this in the US, it took us a > lot of research to find a European source for high quality homes when > our Russian supplies dried up. But we now have a good source, and charge > Euro 45 =93 today $58 for sufficient material for the 18 tubes. > They are 2 mm smaller outside diameter, so we have a supply nice plated > clamps which are Euro 32 ($41) for 18. > > > Richard Goode Aerobatics > > Rhodds Farm > > Lyonshall > > Hereford > > HR5 3LW > > > Tel: +44 (0) 1544 340120 > > Fax: +44 (0) 1544 340129 > > www.russianaeros.com > > > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of Robert > Schwartz > Sent: 08 June 2016 21:22 > Subject: Yak-List: > > > Looking for a source of fresh high quality metric hose for the pushrods > on yak 52 engine > > Thanks > > Sent from Yahoo Mail on Android > > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > > believed to be clean. > > > ________________________________ Message 2 > _____________________________________ > > > Time: 04:29:57 PM PST US > Subject: Yak-List: gear handle hiss > From: "danbooker" > > > Sometimes, not always, I have a hiss coming from behind the gear handle. > Is there > something back ther that needs mx once in a while? Also, who sells the > brake > reducing box overhaul kit (the little box under right side of pilot seat) > > -------- > Daniel Booker > "Stealth-Eagle Aviation" > 2312457798 > danbooker@hotmail.com > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=456998#456998 > > > ________________________________ Message 3 > _____________________________________ > > > Time: 04:51:17 PM PST US > From: doug sapp > Subject: Re: Yak-List: gear handle hiss > > Dan, > The pneumatic system (gear and flap valves in the cockpits) normally vent > to the atmosphere via holes in these valves, that is the hiss you hear when > the gear/flaps go up and down. You should hear it EVERY time the system > cycles. > > It's really hard for me to determine what you need by your description > "brake > reducing box overhaul kit (the little box under right side of pilot seat)" > This is why god invented part numbers! Check your parts books (Vol #1) > or if you don't have a set go to my web site http://cj6.com/ and you will > find a set there, or give me a call (509-826-4610) so I can better > understand and make sure you get the correct parts. > > Doug > > On Thu, Jun 9, 2016 at 4:29 PM, danbooker wrote: > > > > > Sometimes, not always, I have a hiss coming from behind the gear handle. > > Is there something back ther that needs mx once in a while? Also, who > > sells the brake reducing box overhaul kit (the little box under right > side > > of pilot seat) > > > > -------- > > Daniel Booker > > "Stealth-Eagle Aviation" > > 2312457798 > > danbooker@hotmail.com > > > > > > Read this topic online here: > > > > http://forums.matronics.com/viewtopic.php?p=456998#456998 > > > > > > ________________________________ Message 4 > _____________________________________ > > > Time: 06:27:55 PM PST US > From: doug sapp > Subject: Yak-List: Brake drum wear info > > Listers and Lurkers: > > I have always wondered if there was actually a published max wear > measurement for the Yak/CJ brake drum. So today I decided to practice what > I preach and sat down with a stack of manuals and started reading. It's > amazing what can be found with a bit of due diligence. I found the info in > the PT-6 Trainer Aircraft Overhaul Manual (Airframe Accessories). > > Oddly enough section 12-1 "Brake Disk" only yielded the minimum thickness > of the brake pad, which is 8mm. > > Section 11-1 "Landing gear Wheel" explains the max number of and depth of > groves in the brake drum and mentions that the drum can be turned to a > MAXIMUM ID of 196mm. It goes on to say that if the drum is blank it should > be turned out to 195mm (new dia). If you do the math this works out to > just shy of .040 worth of wear. I am sure these numbers will be applicable > to the Yak 18T,50,52 and the CJ6 and many others. > > Some of you may recall a shipment of brake drums which were found to be to > small in the ID to fit over the pads. These must have been the blank drums > as described in section 11-1. > > All good info. > > Best, > Doug > > ________________________________ Message 2 _____________________________________ Time: 04:14:38 AM PST US From: "A. Dennis Savarese" Subject: Re: Yak-List: Brake drum wear info Excellent post Doug and definitely very useful information.Dennis From: doug sapp To: yak-list@matronics.com Sent: Thursday, June 9, 2016 9:25 PM Subject: Yak-List: Brake drum wear info Listers and Lurkers: I have always wondered if there was actually a published max wear measureme nt for the Yak/CJ brake drum.=C2- So today I decided to practice what I p reach and sat down with a stack of manuals and started reading.=C2- It's amazing what can be found with a bit of due diligence.=C2- I found the in fo in the PT-6 Trainer Aircraft Overhaul Manual (Airframe Accessories). Oddly enough section 12-1 "Brake Disk" only yielded the minimum thickness o f the brake pad, which is 8mm. Section 11-1 "Landing gear Wheel" explains the max number of and depth of g roves in the brake drum and mentions that the drum can be turned to a MAXIM UM ID of 196mm.=C2- It goes on to say that if the drum is blank it should be turned out to 195mm (new dia). =C2- If you do the math this works out to just shy of .040 worth of wear.=C2- I am sure these numbers will be a pplicable to the Yak 18T,50,52 and the CJ6 and many others. Some of you may recall a shipment of brake drums which were found to be to small in the ID to fit over the pads.=C2- These must have been the blank drums as described in section 11-1. All good info. Best,Doug ________________________________ Message 3 _____________________________________ Time: 04:20:21 AM PST US From: "A. Dennis Savarese" Subject: Re: Yak-List: gear handle hiss Dan,That's the brake differential valve under the right side of the front s eat. =C2- Doug Sapp sells the overhaul kits for both the brake reducing v alve (under the floor on the right side of the rear cockpit on the Yak 52) and the brake differential valve. The hiss could be from the gear handle itself.=C2- But more likely from o ne of the gear actuators.=C2- Give me a call (you have my number) and we can discuss how to troubleshoot the leak.Dennis From: danbooker To: yak-list@matronics.com Sent: Thursday, June 9, 2016 7:29 PM Subject: Yak-List: gear handle hiss Sometimes, not always, I have a hiss coming from behind the gear handle. Is there something back ther that needs mx once in a while?=C2- Also, who s ells the brake reducing box overhaul kit (the little box under right side o f pilot seat) -------- Daniel Booker "Stealth-Eagle Aviation" 2312457798 danbooker@hotmail.com Read this topic online here: http://forums.matronics.com/viewtopic.php?p=456998#456998 S - WIKI - - =C2- =C2- =C2- =C2- =C2- -Matt Dralle, List Admin. ________________________________ Message 4 _____________________________________ Time: 04:24:32 AM PST US From: "A. Dennis Savarese" Subject: Re: Yak-List: gear handle hiss Doug,On the 52 (which is what Dan has), the brake reducing valve is the QS1 on the CJ and the brake differential valve is the QS2 on the CJ.=C2- By Dan's description, he is asking for the QS2 or brake differential valve ove rhaul kit.Dennis From: doug sapp To: yak-list@matronics.com Sent: Thursday, June 9, 2016 7:50 PM Subject: Re: Yak-List: gear handle hiss Dan,The pneumatic system (gear and flap valves in the cockpits) normally ve nt to the atmosphere via holes in these valves, that is the hiss you hear w hen the gear/flaps go up and down.=C2- You should hear it EVERY time the system cycles. It's really hard for me to determine what you need by your description "bra ke reducing box overhaul kit (the little box under right side of pilot seat )" =C2- This is why god invented part numbers!=C2- Check your parts boo ks (Vol #1) or if you don't have a set go to my web site=C2-http://cj6.co m/ and you will find a set there, or=C2-give me a call (509-826-4610) so I can better understand and make sure you get the correct parts. =C2-=C2 - Doug On Thu, Jun 9, 2016 at 4:29 PM, danbooker wrote: Sometimes, not always, I have a hiss coming from behind the gear handle. Is there something back ther that needs mx once in a while?=C2- Also, who s ells the brake reducing box overhaul kit (the little box under right side o f pilot seat) -------- Daniel Booker "Stealth-Eagle Aviation" 2312457798 danbooker@hotmail.com Read this topic online here: http://forums.matronics.com/viewtopic.php?p=456998#456998 List" rel="noreferrer" target="_blank">http://www.matronics.com/Navigat or?Yak-List FORUMS - eferrer" target="_blank">http://forums.matronics.com WIKI - errer" target="_blank">http://wiki.matronics.com b Site - =C2- =C2- =C2- =C2- =C2- -Matt Dralle, List Admin. rel="noreferrer" target="_blank">http://www.matronics.com/contribution ________________________________ Message 5 _____________________________________ Time: 09:50:54 AM PST US From: John B Subject: Yak-List: Yak 55 tailwheel spring arms Does anyone have a source for steel arms that bolt to the tailwheel yoke? The springs attach to them. Does anyone know how the springs attach to them? Thanks! John ________________________________ Message 6 _____________________________________ Time: 12:58:15 PM PST US Subject: Re: Yak-List: gear handle hiss From: Roger Kemp Ah come on Doug! You can't get me a Whachamadingit to fit my whatchacallit f rom wherethehelldidthatcomefrom after it came out of the ohhellnotagainslot? Doc =F0=9F=98=9C Sent from my iPad > On Jun 9, 2016, at 6:50 PM, doug sapp wrote: > > Dan, > The pneumatic system (gear and flap valves in the cockpits) normally vent t o the atmosphere via holes in these valves, that is the hiss you hear when t he gear/flaps go up and down. You should hear it EVERY time the system cycl es. > > It's really hard for me to determine what you need by your description "br ake reducing box overhaul kit (the little box under right side of pilot seat )" This is why god invented part numbers! Check your parts books (Vol #1) or if you don't have a set go to my web site http://cj6.com/ and you will f ind a set there, or give me a call (509-826-4610) so I can better understand and make sure you get the correct parts. > > Doug > >> On Thu, Jun 9, 2016 at 4:29 PM, danbooker wrote: >> >> Sometimes, not always, I have a hiss coming from behind the gear handle. I s there something back ther that needs mx once in a while? Also, who sells t he brake reducing box overhaul kit (the little box under right side of pilot seat) >> >> -------- >> Daniel Booker >> "Stealth-Eagle Aviation" >> 2312457798 >> danbooker@hotmail.com >> >> >> >> >> Read this topic online here: >> >> http://forums.matronics.com/viewtopic.php?p=456998#456998 >> >> >> >> >> >> >> >> ========== >> List" rel="noreferrer" target="_blank">http://www.matronics.com/Navig ator?Yak-List >> ========== >> FORUMS - >> eferrer" target="_blank">http://forums.matronics.com >> ========== >> WIKI - >> errer" target="_blank">http://wiki.matronics.com >> ========== >> b Site - >> -Matt Dralle, List Admin. >> rel="noreferrer" target="_blank">http://www.matronics.com/contributio n >> ========== > ________________________________ Message 7 _____________________________________ Time: 01:55:51 PM PST US From: "Royden Heays" Subject: Yak-List: : Yak 55 tailwheel spring arms Hi John I had to replace the arms on the tail wheel. I had them machined out of stainless steel. They are a simple cantilever with a hole at the end for the spring hook to pass through. I=99ll try and get a photo to you over the weekend. Regards Royden From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of John B Sent: Friday, June 10, 2016 9:50 AM Subject: Yak-List: Yak 55 tailwheel spring arms Does anyone have a source for steel arms that bolt to the tailwheel yoke? The springs attach to them. Does anyone know how the springs attach to them? Thanks! John ________________________________ Message 8 _____________________________________ Time: 02:15:27 PM PST US From: "Royden Heays" Subject: RE: Yak-List: Re: Yak-List Digest: 4 Msgs - 06/09/16 Hi John Attached is a weight and balance diagram for my Yak. Regards Royden From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of John B Sent: Friday, June 10, 2016 1:41 AM Subject: Yak-List: Re: Yak-List Digest: 4 Msgs - 06/09/16 Gentlemen- Does anyone have weight and balance instructions and limits for the Yak 55M? Thank you! John B On Fri, Jun 10, 2016 at 12:03 AM, Yak-List Digest Server > wrote: * Online Versions of Today's List Digest Archive Today's complete Yak-List Digest can also be found in either of the two Web Links listed below. The .html file includes the Digest formatted in HTML for viewing with a web browser and features Hyperlinked Indexes and Message Navigation. The .txt file includes the plain ASCII version of the Yak-List Digest and can be viewed with a generic text editor such as Notepad or with a web browser. HTML Version: http://www.matronics.com/digest/digestview.php?Style=82701 &View=html&Chapter 16-06-09&Archive=Yak Text Version: http://www.matronics.com/digest/digestview.php?Style=82701 &View=txt&Chapter 16-06-09&Archive=Yak ====================== EMail Version of Today's List Digest Archive ====================== ---------------------------------------------------------- Yak-List Digest Archive --- Total Messages Posted Thu 06/09/16: 4 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 04:50 AM - Re: (Richard Goode) 2. 04:29 PM - gear handle hiss (danbooker) 3. 04:51 PM - Re: gear handle hiss (doug sapp) 4. 06:27 PM - Brake drum wear info (doug sapp) ________________________________ Message 1 _____________________________________ Time: 04:50:46 AM PST US From: "Richard Goode" > Subject: RE: Yak-List: While I suspect there are good sources of this in the US, it took us a lot of research to find a European source for high quality homes when our Russian supplies dried up. But we now have a good source, and charge Euro 45 =93 today $58 for sufficient material for the 18 tubes. They are 2 mm smaller outside diameter, so we have a supply nice plated clamps which are Euro 32 ($41) for 18. Richard Goode Aerobatics Rhodds Farm Lyonshall Hereford HR5 3LW Tel: +44 (0) 1544 340120 Fax: +44 (0) 1544 340129 www.russianaeros.com From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com ] On Behalf Of Robert Schwartz Sent: 08 June 2016 21:22 Subject: Yak-List: Looking for a source of fresh high quality metric hose for the pushrods on yak 52 engine Thanks Sent from Yahoo Mail on Android -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. ________________________________ Message 2 _____________________________________ Time: 04:29:57 PM PST US Subject: Yak-List: gear handle hiss From: "danbooker" > Sometimes, not always, I have a hiss coming from behind the gear handle. Is there something back ther that needs mx once in a while? Also, who sells the brake reducing box overhaul kit (the little box under right side of pilot seat) -------- Daniel Booker "Stealth-Eagle Aviation" 2312457798 danbooker@hotmail.com Read this topic online here: http://forums.matronics.com/viewtopic.php?p=456998#456998 ________________________________ Message 3 _____________________________________ Time: 04:51:17 PM PST US From: doug sapp > Subject: Re: Yak-List: gear handle hiss Dan, The pneumatic system (gear and flap valves in the cockpits) normally vent to the atmosphere via holes in these valves, that is the hiss you hear when the gear/flaps go up and down. You should hear it EVERY time the system cycles. It's really hard for me to determine what you need by your description "brake reducing box overhaul kit (the little box under right side of pilot seat)" This is why god invented part numbers! Check your parts books (Vol #1) or if you don't have a set go to my web site http://cj6.com/ and you will find a set there, or give me a call (509-826-4610 ) so I can better understand and make sure you get the correct parts. Doug On Thu, Jun 9, 2016 at 4:29 PM, danbooker > wrote: > > Sometimes, not always, I have a hiss coming from behind the gear handle. > Is there something back ther that needs mx once in a while? Also, who > sells the brake reducing box overhaul kit (the little box under right side > of pilot seat) > > -------- > Daniel Booker > "Stealth-Eagle Aviation" > 2312457798 > danbooker@hotmail.com > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=456998#456998 > > ________________________________ Message 4 _____________________________________ Time: 06:27:55 PM PST US From: doug sapp > Subject: Yak-List: Brake drum wear info Listers and Lurkers: I have always wondered if there was actually a published max wear measurement for the Yak/CJ brake drum. So today I decided to practice what I preach and sat down with a stack of manuals and started reading. It's amazing what can be found with a bit of due diligence. I found the info in the PT-6 Trainer Aircraft Overhaul Manual (Airframe Accessories). Oddly enough section 12-1 "Brake Disk" only yielded the minimum thickness of the brake pad, which is 8mm. Section 11-1 "Landing gear Wheel" explains the max number of and depth of groves in the brake drum and mentions that the drum can be turned to a MAXIMUM ID of 196mm. It goes on to say that if the drum is blank it should be turned out to 195mm (new dia). If you do the math this works out to just shy of .040 worth of wear. I am sure these numbers will be applicable to the Yak 18T,50,52 and the CJ6 and many others. Some of you may recall a shipment of brake drums which were found to be to small in the ID to fit over the pads. These must have been the blank drums as described in section 11-1. All good info. Best, Doug List" rel="noreferrer" target="_blank">http://www.matronics.com/Navigator?Yak-List FORUMS - eferrer" target="_blank">http://forums.matronics.com WIKI - errer" target="_blank">http://wiki.matronics.com b Site - -Matt Dralle, List Admin. rel="noreferrer" target="_blank">http://www.matronics.com/contribution ________________________________ Message 9 _____________________________________ Time: 03:18:26 PM PST US From: John B Subject: Re: Yak-List: Re: Yak-List Digest: 4 Msgs - 06/09/16 Royden- Thank you! I'll open it tonight. Working now... Sent from my iPhone > On Jun 10, 2016, at 5:15 PM, Royden Heays wrote: > > Hi John > > Attached is a weight and balance diagram for my Yak. > > Regards > > Royden > > From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@ma tronics.com] On Behalf Of John B > Sent: Friday, June 10, 2016 1:41 AM > To: Yak-List Digest Server > Subject: Yak-List: Re: Yak-List Digest: 4 Msgs - 06/09/16 > > Gentlemen- > Does anyone have weight and balance instructions and limits for the Yak 55 M? > Thank you! > John B > > On Fri, Jun 10, 2016 at 12:03 AM, Yak-List Digest Server wrote: > * > > ========================= > Online Versions of Today's List Digest Archive > ========================= > > Today's complete Yak-List Digest can also be found in either of the > two Web Links listed below. The .html file includes the Digest formatted > in HTML for viewing with a web browser and features Hyperlinked Indexes > and Message Navigation. The .txt file includes the plain ASCII version > of the Yak-List Digest and can be viewed with a generic text editor > such as Notepad or with a web browser. > > HTML Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=ht ml&Chapter 16-06-09&Archive=Yak > > Text Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=tx t&Chapter 16-06-09&Archive=Yak > > > ====================== > EMail Version of Today's List Digest Archive > ====================== > > > ---------------------------------------------------------- > Yak-List Digest Archive > --- > Total Messages Posted Thu 06/09/16: 4 > ---------------------------------------------------------- > > > Today's Message Index: > ---------------------- > > 1. 04:50 AM - Re: (Richard Goode) > 2. 04:29 PM - gear handle hiss (danbooker) > 3. 04:51 PM - Re: gear handle hiss (doug sapp) > 4. 06:27 PM - Brake drum wear info (doug sapp) > > > > ________________________________ Message 1 _____________________________ ________ > > > Time: 04:50:46 AM PST US > From: "Richard Goode" > Subject: RE: Yak-List: > > While I suspect there are good sources of this in the US, it took us a > lot of research to find a European source for high quality homes when > our Russian supplies dried up. But we now have a good source, and charge > Euro 45 =93 today $58 for sufficient material for the 18 tubes. > They are 2 mm smaller outside diameter, so we have a supply nice plated > clamps which are Euro 32 ($41) for 18. > > > Richard Goode Aerobatics > > Rhodds Farm > > Lyonshall > > Hereford > > HR5 3LW > > > Tel: +44 (0) 1544 340120 > > Fax: +44 (0) 1544 340129 > > www.russianaeros.com > > > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of Robert > Schwartz > Sent: 08 June 2016 21:22 > Subject: Yak-List: > > > Looking for a source of fresh high quality metric hose for the pushrods > on yak 52 engine > > Thanks > > Sent from Yahoo Mail on Android > > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > > believed to be clean. > > > ________________________________ Message 2 _____________________________ ________ > > > Time: 04:29:57 PM PST US > Subject: Yak-List: gear handle hiss > From: "danbooker" > > > Sometimes, not always, I have a hiss coming from behind the gear handle. I s there > something back ther that needs mx once in a while? Also, who sells the br ake > reducing box overhaul kit (the little box under right side of pilot seat) > > -------- > Daniel Booker > "Stealth-Eagle Aviation" > 2312457798 > danbooker@hotmail.com > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=456998#456998 > > > ________________________________ Message 3 _____________________________ ________ > > > Time: 04:51:17 PM PST US > From: doug sapp > Subject: Re: Yak-List: gear handle hiss > > Dan, > The pneumatic system (gear and flap valves in the cockpits) normally vent > to the atmosphere via holes in these valves, that is the hiss you hear whe n > the gear/flaps go up and down. You should hear it EVERY time the system > cycles. > > It's really hard for me to determine what you need by your description "br ake > reducing box overhaul kit (the little box under right side of pilot seat)" > This is why god invented part numbers! Check your parts books (Vol #1) > or if you don't have a set go to my web site http://cj6.com/ and you will > find a set there, or give me a call (509-826-4610) so I can better > understand and make sure you get the correct parts. > > Doug > > On Thu, Jun 9, 2016 at 4:29 PM, danbooker wrote: > > > > > Sometimes, not always, I have a hiss coming from behind the gear handle. > > Is there something back ther that needs mx once in a while? Also, who > > sells the brake reducing box overhaul kit (the little box under right si de > > of pilot seat) > > > > -------- > > Daniel Booker > > "Stealth-Eagle Aviation" > > 2312457798 > > danbooker@hotmail.com > > > > > > Read this topic online here: > > > > http://forums.matronics.com/viewtopic.php?p=456998#456998 > > > > > > ________________________________ Message 4 _____________________________ ________ > > > Time: 06:27:55 PM PST US > From: doug sapp > Subject: Yak-List: Brake drum wear info > > Listers and Lurkers: > > I have always wondered if there was actually a published max wear > measurement for the Yak/CJ brake drum. So today I decided to practice wha t > I preach and sat down with a stack of manuals and started reading. It's > amazing what can be found with a bit of due diligence. I found the info i n > the PT-6 Trainer Aircraft Overhaul Manual (Airframe Accessories). > > Oddly enough section 12-1 "Brake Disk" only yielded the minimum thickness > of the brake pad, which is 8mm. > > Section 11-1 "Landing gear Wheel" explains the max number of and depth of > groves in the brake drum and mentions that the drum can be turned to a > MAXIMUM ID of 196mm. It goes on to say that if the drum is blank it shoul d > be turned out to 195mm (new dia). If you do the math this works out to > just shy of .040 worth of wear. I am sure these numbers will be applicabl e > to the Yak 18T,50,52 and the CJ6 and many others. > > Some of you may recall a shipment of brake drums which were found to be to > small in the ID to fit over the pads. These must have been the blank drum s > as described in section 11-1. > > All good info. > > Best, > Doug > > > > > ========== > List" rel="noreferrer" target="_blank">http://www.matronics.com/Naviga tor?Yak-List > ========== > FORUMS - > eferrer" target="_blank">http://forums.matronics.com > ========== > WIKI - > errer" target="_blank">http://wiki.matronics.com > ========== > b Site - > -Matt Dralle, List Admin. > rel="noreferrer" target="_blank">http://www.matronics.com/contribution > ========== > > > > > > ________________________________ Message 10 ____________________________________ Time: 08:47:02 PM PST US From: John B Subject: Re: Yak-List: Re: Yak-List Digest: 4 Msgs - 06/09/16 Royden- Thank you! I'll open it tonight. Working now... Sent from my iPhone > On Jun 10, 2016, at 5:15 PM, Royden Heays wrote: > > Hi John > > Attached is a weight and balance diagram for my Yak. > > Regards > > Royden > > From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@ma tronics.com] On Behalf Of John B > Sent: Friday, June 10, 2016 1:41 AM > To: Yak-List Digest Server > Subject: Yak-List: Re: Yak-List Digest: 4 Msgs - 06/09/16 > > Gentlemen- > Does anyone have weight and balance instructions and limits for the Yak 55 M? > Thank you! > John B > > On Fri, Jun 10, 2016 at 12:03 AM, Yak-List Digest Server wrote: > * > > ========================= > Online Versions of Today's List Digest Archive > ========================= > > Today's complete Yak-List Digest can also be found in either of the > two Web Links listed below. The .html file includes the Digest formatted > in HTML for viewing with a web browser and features Hyperlinked Indexes > and Message Navigation. The .txt file includes the plain ASCII version > of the Yak-List Digest and can be viewed with a generic text editor > such as Notepad or with a web browser. > > HTML Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=ht ml&Chapter 16-06-09&Archive=Yak > > Text Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=tx t&Chapter 16-06-09&Archive=Yak > > > ====================== > EMail Version of Today's List Digest Archive > ====================== > > > ---------------------------------------------------------- > Yak-List Digest Archive > --- > Total Messages Posted Thu 06/09/16: 4 > ---------------------------------------------------------- > > > Today's Message Index: > ---------------------- > > 1. 04:50 AM - Re: (Richard Goode) > 2. 04:29 PM - gear handle hiss (danbooker) > 3. 04:51 PM - Re: gear handle hiss (doug sapp) > 4. 06:27 PM - Brake drum wear info (doug sapp) > > > > ________________________________ Message 1 _____________________________ ________ > > > Time: 04:50:46 AM PST US > From: "Richard Goode" > Subject: RE: Yak-List: > > While I suspect there are good sources of this in the US, it took us a > lot of research to find a European source for high quality homes when > our Russian supplies dried up. But we now have a good source, and charge > Euro 45 =93 today $58 for sufficient material for the 18 tubes. > They are 2 mm smaller outside diameter, so we have a supply nice plated > clamps which are Euro 32 ($41) for 18. > > > Richard Goode Aerobatics > > Rhodds Farm > > Lyonshall > > Hereford > > HR5 3LW > > > Tel: +44 (0) 1544 340120 > > Fax: +44 (0) 1544 340129 > > www.russianaeros.com > > > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of Robert > Schwartz > Sent: 08 June 2016 21:22 > Subject: Yak-List: > > > Looking for a source of fresh high quality metric hose for the pushrods > on yak 52 engine > > Thanks > > Sent from Yahoo Mail on Android > > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > > believed to be clean. > > > ________________________________ Message 2 _____________________________ ________ > > > Time: 04:29:57 PM PST US > Subject: Yak-List: gear handle hiss > From: "danbooker" > > > Sometimes, not always, I have a hiss coming from behind the gear handle. I s there > something back ther that needs mx once in a while? Also, who sells the br ake > reducing box overhaul kit (the little box under right side of pilot seat) > > -------- > Daniel Booker > "Stealth-Eagle Aviation" > 2312457798 > danbooker@hotmail.com > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=456998#456998 > > > ________________________________ Message 3 _____________________________ ________ > > > Time: 04:51:17 PM PST US > From: doug sapp > Subject: Re: Yak-List: gear handle hiss > > Dan, > The pneumatic system (gear and flap valves in the cockpits) normally vent > to the atmosphere via holes in these valves, that is the hiss you hear whe n > the gear/flaps go up and down. You should hear it EVERY time the system > cycles. > > It's really hard for me to determine what you need by your description "br ake > reducing box overhaul kit (the little box under right side of pilot seat)" > This is why god invented part numbers! Check your parts books (Vol #1) > or if you don't have a set go to my web site http://cj6.com/ and you will > find a set there, or give me a call (509-826-4610) so I can better > understand and make sure you get the correct parts. > > Doug > > On Thu, Jun 9, 2016 at 4:29 PM, danbooker wrote: > > > > > Sometimes, not always, I have a hiss coming from behind the gear handle. > > Is there something back ther that needs mx once in a while? Also, who > > sells the brake reducing box overhaul kit (the little box under right si de > > of pilot seat) > > > > -------- > > Daniel Booker > > "Stealth-Eagle Aviation" > > 2312457798 > > danbooker@hotmail.com > > > > > > Read this topic online here: > > > > http://forums.matronics.com/viewtopic.php?p=456998#456998 > > > > > > ________________________________ Message 4 _____________________________ ________ > > > Time: 06:27:55 PM PST US > From: doug sapp > Subject: Yak-List: Brake drum wear info > > Listers and Lurkers: > > I have always wondered if there was actually a published max wear > measurement for the Yak/CJ brake drum. So today I decided to practice wha t > I preach and sat down with a stack of manuals and started reading. It's > amazing what can be found with a bit of due diligence. I found the info i n > the PT-6 Trainer Aircraft Overhaul Manual (Airframe Accessories). > > Oddly enough section 12-1 "Brake Disk" only yielded the minimum thickness > of the brake pad, which is 8mm. > > Section 11-1 "Landing gear Wheel" explains the max number of and depth of > groves in the brake drum and mentions that the drum can be turned to a > MAXIMUM ID of 196mm. It goes on to say that if the drum is blank it shoul d > be turned out to 195mm (new dia). If you do the math this works out to > just shy of .040 worth of wear. I am sure these numbers will be applicabl e > to the Yak 18T,50,52 and the CJ6 and many others. > > Some of you may recall a shipment of brake drums which were found to be to > small in the ID to fit over the pads. These must have been the blank drum s > as described in section 11-1. > > All good info. > > Best, > Doug > > > > > ========== > List" rel="noreferrer" target="_blank">http://www.matronics.com/Naviga tor?Yak-List > ========== > FORUMS - > eferrer" target="_blank">http://forums.matronics.com > ========== > WIKI - > errer" target="_blank">http://wiki.matronics.com > ========== > b Site - > -Matt Dralle, List Admin. > rel="noreferrer" target="_blank">http://www.matronics.com/contribution > ========== > > > > > > ________________________________ Message 11 ____________________________________ Time: 09:17:15 PM PST US From: John B Subject: Re: Yak-List: Re: Yak-List Digest: 4 Msgs - 06/09/16 Royden- Thank you! I'll open it tonight. Working now... Sent from my iPhone > On Jun 10, 2016, at 5:15 PM, Royden Heays wrote: > > Hi John > > Attached is a weight and balance diagram for my Yak. > > Regards > > Royden > > From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@ma tronics.com] On Behalf Of John B > Sent: Friday, June 10, 2016 1:41 AM > To: Yak-List Digest Server > Subject: Yak-List: Re: Yak-List Digest: 4 Msgs - 06/09/16 > > Gentlemen- > Does anyone have weight and balance instructions and limits for the Yak 55 M? > Thank you! > John B > > On Fri, Jun 10, 2016 at 12:03 AM, Yak-List Digest Server wrote: > * > > ========================= > Online Versions of Today's List Digest Archive > ========================= > > Today's complete Yak-List Digest can also be found in either of the > two Web Links listed below. The .html file includes the Digest formatted > in HTML for viewing with a web browser and features Hyperlinked Indexes > and Message Navigation. The .txt file includes the plain ASCII version > of the Yak-List Digest and can be viewed with a generic text editor > such as Notepad or with a web browser. > > HTML Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=ht ml&Chapter 16-06-09&Archive=Yak > > Text Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=tx t&Chapter 16-06-09&Archive=Yak > > > ====================== > EMail Version of Today's List Digest Archive > ====================== > > > ---------------------------------------------------------- > Yak-List Digest Archive > --- > Total Messages Posted Thu 06/09/16: 4 > ---------------------------------------------------------- > > > Today's Message Index: > ---------------------- > > 1. 04:50 AM - Re: (Richard Goode) > 2. 04:29 PM - gear handle hiss (danbooker) > 3. 04:51 PM - Re: gear handle hiss (doug sapp) > 4. 06:27 PM - Brake drum wear info (doug sapp) > > > > ________________________________ Message 1 _____________________________ ________ > > > Time: 04:50:46 AM PST US > From: "Richard Goode" > Subject: RE: Yak-List: > > While I suspect there are good sources of this in the US, it took us a > lot of research to find a European source for high quality homes when > our Russian supplies dried up. But we now have a good source, and charge > Euro 45 =93 today $58 for sufficient material for the 18 tubes. > They are 2 mm smaller outside diameter, so we have a supply nice plated > clamps which are Euro 32 ($41) for 18. > > > Richard Goode Aerobatics > > Rhodds Farm > > Lyonshall > > Hereford > > HR5 3LW > > > Tel: +44 (0) 1544 340120 > > Fax: +44 (0) 1544 340129 > > www.russianaeros.com > > > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of Robert > Schwartz > Sent: 08 June 2016 21:22 > Subject: Yak-List: > > > Looking for a source of fresh high quality metric hose for the pushrods > on yak 52 engine > > Thanks > > Sent from Yahoo Mail on Android > > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > > believed to be clean. > > > ________________________________ Message 2 _____________________________ ________ > > > Time: 04:29:57 PM PST US > Subject: Yak-List: gear handle hiss > From: "danbooker" > > > Sometimes, not always, I have a hiss coming from behind the gear handle. I s there > something back ther that needs mx once in a while? Also, who sells the br ake > reducing box overhaul kit (the little box under right side of pilot seat) > > -------- > Daniel Booker > "Stealth-Eagle Aviation" > 2312457798 > danbooker@hotmail.com > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=456998#456998 > > > ________________________________ Message 3 _____________________________ ________ > > > Time: 04:51:17 PM PST US > From: doug sapp > Subject: Re: Yak-List: gear handle hiss > > Dan, > The pneumatic system (gear and flap valves in the cockpits) normally vent > to the atmosphere via holes in these valves, that is the hiss you hear whe n > the gear/flaps go up and down. You should hear it EVERY time the system > cycles. > > It's really hard for me to determine what you need by your description "br ake > reducing box overhaul kit (the little box under right side of pilot seat)" > This is why god invented part numbers! Check your parts books (Vol #1) > or if you don't have a set go to my web site http://cj6.com/ and you will > find a set there, or give me a call (509-826-4610) so I can better > understand and make sure you get the correct parts. > > Doug > > On Thu, Jun 9, 2016 at 4:29 PM, danbooker wrote: > > > > > Sometimes, not always, I have a hiss coming from behind the gear handle. > > Is there something back ther that needs mx once in a while? Also, who > > sells the brake reducing box overhaul kit (the little box under right si de > > of pilot seat) > > > > -------- > > Daniel Booker > > "Stealth-Eagle Aviation" > > 2312457798 > > danbooker@hotmail.com > > > > > > Read this topic online here: > > > > http://forums.matronics.com/viewtopic.php?p=456998#456998 > > > > > > ________________________________ Message 4 _____________________________ ________ > > > Time: 06:27:55 PM PST US > From: doug sapp > Subject: Yak-List: Brake drum wear info > > Listers and Lurkers: > > I have always wondered if there was actually a published max wear > measurement for the Yak/CJ brake drum. So today I decided to practice wha t > I preach and sat down with a stack of manuals and started reading. It's > amazing what can be found with a bit of due diligence. I found the info i n > the PT-6 Trainer Aircraft Overhaul Manual (Airframe Accessories). > > Oddly enough section 12-1 "Brake Disk" only yielded the minimum thickness > of the brake pad, which is 8mm. > > Section 11-1 "Landing gear Wheel" explains the max number of and depth of > groves in the brake drum and mentions that the drum can be turned to a > MAXIMUM ID of 196mm. It goes on to say that if the drum is blank it shoul d > be turned out to 195mm (new dia). If you do the math this works out to > just shy of .040 worth of wear. I am sure these numbers will be applicabl e > to the Yak 18T,50,52 and the CJ6 and many others. > > Some of you may recall a shipment of brake drums which were found to be to > small in the ID to fit over the pads. These must have been the blank drum s > as described in section 11-1. > > All good info. > > Best, > Doug > > > > > ========== > List" rel="noreferrer" target="_blank">http://www.matronics.com/Naviga tor?Yak-List > ========== > FORUMS - > eferrer" target="_blank">http://forums.matronics.com > ========== > WIKI - > errer" target="_blank">http://wiki.matronics.com > ========== > b Site - > -Matt Dralle, List Admin. > rel="noreferrer" target="_blank">http://www.matronics.com/contribution > ========== > > > > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message yak-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Yak-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/yak-list Browse Digests http://www.matronics.com/digest/yak-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.