---------------------------------------------------------- Yak-List Digest Archive --- Total Messages Posted Fri 06/19/20: 9 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 02:46 AM - Re: Test (DamienGH) 2. 03:13 AM - Re: Cylinder Head Temperature Gages (Craig Payne) 3. 05:13 AM - Re: Re: Cylinder Head Temperature Gages (Greg Wrobel) 4. 06:17 AM - Re: Re: Cylinder Head Temperature Gages (Mark Pennington) 5. 10:43 AM - Re: Re: Cylinder Head Temperature Gages (Walter Lannon) 6. 11:17 AM - Re: Re: Cylinder Head Temperature Gages (Mark Pennington) 7. 03:08 PM - Re: Re: Cylinder Head Temperature Gages (Greg Wrobel) 8. 09:49 PM - Re: Re: Cylinder Head Temperature Gages (Mark Pennington) 9. 11:45 PM - Re: Re: Cylinder Head Temperature Gages (Stephen van Dijck) ________________________________ Message 1 _____________________________________ Time: 02:46:25 AM PST US Subject: Yak-List: Re: Test From: "DamienGH" Actually, I like the magic of number 4 more. It brings more peace to my life. You can read this as an example - https://www.sunsigns.org/angel-number-44-meaning/ Have you ever tried to pay attention to the numbers in the problem report? It can also say a lot .. Although I agree that it looks like superstition to many .. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=496920#496920 ________________________________ Message 2 _____________________________________ Time: 03:13:47 AM PST US From: Craig Payne Subject: Yak-List: Re: Cylinder Head Temperature Gages So, washers on # 1 and #4 ?? I believe they belong on #2 and #7. Sounds like other issues going on with the wiring as well. Craig Payne ________________________________ Message 3 _____________________________________ Time: 05:13:40 AM PST US From: Greg Wrobel Subject: Re: Yak-List: Re: Cylinder Head Temperature Gages 1&4 is the way it was when I bought it. My bad for assuming they were correct. So what you're saying is 2&7 are the hottest cylinders with 2 going to the front gage and 7 to the rear gage? Anyone else have their temp probes connected to different cylinders? Greg "Clouddog" Wrobel On Fri, Jun 19, 2020, 06:17 Craig Payne wrote: > So, washers on # 1 and #4 ?? I believe they belong on #2 and #7. Sounds > like other issues going on with the wiring as well. > > Craig Payne > ________________________________ Message 4 _____________________________________ Time: 06:17:28 AM PST US From: Mark Pennington Subject: Re: Yak-List: Re: Cylinder Head Temperature Gages Good Morning Greg I fly a CJ with an M14P and my CHT sensors are on 1&2, not sure which is front and which is rear. Not sure how the CJ comes from the factory with a Housai. Or how a Yak with an M14P is wired either. If you go to Dougs website and go to volume 5 and right click that book and open it up in a different tab or download it to your computer look at page 407, Figure 2-14-2 in the book. It shows the complete wiring from the copper ring to the plug that plugs into your gauge. Yes there are two separate unrelated wire runs for the front and rear cockpits. Two each of the assembly on page 407. The sensor is a thermocouple and does not require any exterior voltage to work. That is why it shows a cylinder head temp on the ground in the hangar with the master off. >From what I can tell, those of us that have the auto plug conversion kits on our planes remove the washer on the spark plug and of course install the thermocouple copper ring in its place. Hopefully ensuring proper penetration into the cylinder head for good combustion. You don't have to remove the washer on the plug, but I understand some folks do. If you take a look at page 407 you can see there are two separate areas that have terminations that may be causing your shaking issues due to possible loose connections or broken wires. On my aircraft I do not have the intermediate terminals closest to the plug shown on page 407. The thermocouple attaches at the engine and runs straight to the plug on the rear of my CHT gauge. Not sure all planes are or were wired per the book on page 407. The thermocouple assembly under the cowl is the first set of screw terminals shown on page 407. Hope this helps. Please let us know what you found. It may help others. Mark Pennington CJ6 Driver. Virus-free. www.avast.com <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> On Fri, Jun 19, 2020 at 8:17 AM Greg Wrobel wrote: > 1&4 is the way it was when I bought it. My bad for assuming they were > correct. So what you're saying is 2&7 are the hottest cylinders with 2 > going to the front gage and 7 to the rear gage? Anyone else have their > temp probes connected to different cylinders? > > Greg "Clouddog" Wrobel > > On Fri, Jun 19, 2020, 06:17 Craig Payne wrote: > >> So, washers on # 1 and #4 ?? I believe they belong on #2 and #7. Sounds >> like other issues going on with the wiring as well. >> >> Craig Payne >> > ________________________________ Message 5 _____________________________________ Time: 10:43:17 AM PST US From: "Walter Lannon" Subject: Re: Yak-List: Re: Cylinder Head Temperature Gages I can confirm that #1 and #4 rear spark plugs are the correct location for the CHT sensors. These are the two hottest cylinders. There is manual information that iden tifies those and to which cockpit but I have no time right now to dig it up =2E Cheers; Walt From: Mark Pennington Sent: Friday, June 19, 2020 6:14 AM Subject: Re: Yak-List: Re: Cylinder Head Temperature Gages Good Morning Greg I fly a CJ with an M14P and my CHT sensors are on 1&2, not sure which is fr ont and which is rear. Not sure how the CJ comes from the factory with a H ousai. Or how a Yak with an M14P is wired either. If you go to Dougs website and go to volume 5 and right click that book and open it up in a different tab or download it to your computer look at page 407, Figure 2-14-2 in the book. It shows the complete wiring from the cop per ring to the plug that plugs into your gauge. Yes there are two separate unrelated wire runs for the front and rear cockpits. Two each of the asse mbly on page 407. The sensor is a thermocouple and does not require any exterior voltage to w ork. That is why it shows a cylinder head temp on the ground in the hangar with the master off. >From what I can tell, those of us that have the auto plug conversion kits o n our planes remove the washer on the spark plug and of course install the thermocouple copper ring in its place. Hopefully ensuring proper penetrati on into the cylinder head for good combustion. You don't have to remove the washer on the plug, but I understand some folk s do. If you take a look at page 407 you can see there are two separate areas tha t have terminations that may be causing your shaking issues due to possible loose connections or broken wires. On my aircraft I do not have the inte rmediate terminals closest to the plug shown on page 407. The thermocouple attaches at the engine and runs straight to the plug on the rear of my CHT gauge. Not sure all planes are or were wired per the book on page 407. The thermocouple assembly under the cowl is the first set of screw termin als shown on page 407. Hope this helps. Please let us know what you found. It may help others. Mark Pennington CJ6 Driver. Virus-free. www.avast.com On Fri, Jun 19, 2020 at 8:17 AM Greg Wrobel wrote: 1&4 is the way it was when I bought it. My bad for assuming they were cor rect. So what you're saying is 2&7 are the hottest cylinders with 2 going t o the front gage and 7 to the rear gage? Anyone else have their temp probe s connected to different cylinders? Greg "Clouddog" Wrobel On Fri, Jun 19, 2020, 06:17 Craig Payne wrote: So, washers on # 1 and #4 ?? I believe they belong on #2 and #7. Sounds like other issues going on with the wiring as well. Craig Payne -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ________________________________ Message 6 _____________________________________ Time: 11:17:17 AM PST US From: Mark Pennington Subject: Re: Yak-List: Re: Cylinder Head Temperature Gages Walt. I am at the hangar with the tech manual for the Housai. You are correct as usual. It is cylinders 1 and 4. And Cylinder 4 goes to the front cockpit. I have attached a photo of the page in the manual. Start reading at code 41Y. 42Y talks about front cockpit. #4 cylinder. Thanks Walt Mark Pennington On Fri, Jun 19, 2020 at 1:47 PM Walter Lannon wrote: > I can confirm that #1 and #4 rear spark plugs are the correct location for > the CHT sensors. > > These are the two hottest cylinders. There is manual information that > identifies those and to which cockpit but I have no time right now to dig > it up. > > Cheers; > Walt > > *From:* Mark Pennington > *Sent:* Friday, June 19, 2020 6:14 AM > *To:* yak-list@matronics.com > *Subject:* Re: Yak-List: Re: Cylinder Head Temperature Gages > > Good Morning Greg > > I fly a CJ with an M14P and my CHT sensors are on 1&2, not sure which is > front and which is rear. Not sure how the CJ comes from the factory with a > Housai. Or how a Yak with an M14P is wired either. > > If you go to Dougs website and go to volume 5 and right click that book > and open it up in a different tab or download it to your computer look at > page 407, Figure 2-14-2 in the book. It shows the complete wiring from the > copper ring to the plug that plugs into your gauge. Yes there are two > separate unrelated wire runs for the front and rear cockpits. Two each of > the assembly on page 407. > > The sensor is a thermocouple and does not require any exterior voltage to > work. That is why it shows a cylinder head temp on the ground in the > hangar with the master off. > > From what I can tell, those of us that have the auto plug conversion kits > on our planes remove the washer on the spark plug and of course install the > thermocouple copper ring in its place. Hopefully ensuring proper > penetration into the cylinder head for good combustion. > > You don't have to remove the washer on the plug, but I understand some > folks do. > > If you take a look at page 407 you can see there are two separate areas > that have terminations that may be causing your shaking issues due to > possible loose connections or broken wires. On my aircraft I do not have > the intermediate terminals closest to the plug shown on page 407. The > thermocouple attaches at the engine and runs straight to the plug on the > rear of my CHT gauge. Not sure all planes are or were wired per the book > on page 407. The thermocouple assembly under the cowl is the first set > of screw terminals shown on page 407. > > > Hope this helps. Please let us know what you found. It may help others. > > > Mark Pennington > CJ6 Driver. > > > Virus-free. > www.avast.com > > > On Fri, Jun 19, 2020 at 8:17 AM Greg Wrobel wrote: > >> 1&4 is the way it was when I bought it. My bad for assuming they were >> correct. So what you're saying is 2&7 are the hottest cylinders with 2 >> going to the front gage and 7 to the rear gage? Anyone else have their >> temp probes connected to different cylinders? >> >> Greg "Clouddog" Wrobel >> >> On Fri, Jun 19, 2020, 06:17 Craig Payne wrote: >> >>> So, washers on # 1 and #4 ?? I believe they belong on #2 and #7. Sounds >>> like other issues going on with the wiring as well. >>> >>> Craig Payne >>> >> ________________________________ Message 7 _____________________________________ Time: 03:08:57 PM PST US From: Greg Wrobel Subject: Re: Yak-List: Re: Cylinder Head Temperature Gages Ok. At least I got everything connected to to the correct cylinders. 1&4. Now just following wire or swapping gages (rear to Front) to see if the problem follows. Y'all are great thanks a billion. Greg "Clouddog" Wrobel On Fri, Jun 19, 2020, 14:25 Mark Pennington < pennington.construction.inc.1@gmail.com> wrote: > Walt. > > I am at the hangar with the tech manual for the Housai. > > You are correct as usual. It is cylinders 1 and 4. > > And Cylinder 4 goes to the front cockpit. > > I have attached a photo of the page in the manual. > > Start reading at code 41Y. 42Y talks about front cockpit. #4 cylinder. > > Thanks Walt > > Mark Pennington > > > On Fri, Jun 19, 2020 at 1:47 PM Walter Lannon wrote: > >> I can confirm that #1 and #4 rear spark plugs are the correct location >> for the CHT sensors. >> >> These are the two hottest cylinders. There is manual information that >> identifies those and to which cockpit but I have no time right now to dig >> it up. >> >> Cheers; >> Walt >> >> *From:* Mark Pennington >> *Sent:* Friday, June 19, 2020 6:14 AM >> *To:* yak-list@matronics.com >> *Subject:* Re: Yak-List: Re: Cylinder Head Temperature Gages >> >> Good Morning Greg >> >> I fly a CJ with an M14P and my CHT sensors are on 1&2, not sure which is >> front and which is rear. Not sure how the CJ comes from the factory with a >> Housai. Or how a Yak with an M14P is wired either. >> >> If you go to Dougs website and go to volume 5 and right click that book >> and open it up in a different tab or download it to your computer look at >> page 407, Figure 2-14-2 in the book. It shows the complete wiring from the >> copper ring to the plug that plugs into your gauge. Yes there are two >> separate unrelated wire runs for the front and rear cockpits. Two each of >> the assembly on page 407. >> >> The sensor is a thermocouple and does not require any exterior voltage to >> work. That is why it shows a cylinder head temp on the ground in the >> hangar with the master off. >> >> From what I can tell, those of us that have the auto plug conversion kits >> on our planes remove the washer on the spark plug and of course install the >> thermocouple copper ring in its place. Hopefully ensuring proper >> penetration into the cylinder head for good combustion. >> >> You don't have to remove the washer on the plug, but I understand some >> folks do. >> >> If you take a look at page 407 you can see there are two separate areas >> that have terminations that may be causing your shaking issues due to >> possible loose connections or broken wires. On my aircraft I do not have >> the intermediate terminals closest to the plug shown on page 407. The >> thermocouple attaches at the engine and runs straight to the plug on the >> rear of my CHT gauge. Not sure all planes are or were wired per the book >> on page 407. The thermocouple assembly under the cowl is the first set >> of screw terminals shown on page 407. >> >> >> Hope this helps. Please let us know what you found. It may help others. >> >> >> Mark Pennington >> CJ6 Driver. >> >> >> >> >> >> >> >> >> >> Virus-free. >> www.avast.com >> >> >> On Fri, Jun 19, 2020 at 8:17 AM Greg Wrobel wrote: >> >>> 1&4 is the way it was when I bought it. My bad for assuming they were >>> correct. So what you're saying is 2&7 are the hottest cylinders with 2 >>> going to the front gage and 7 to the rear gage? Anyone else have their >>> temp probes connected to different cylinders? >>> >>> Greg "Clouddog" Wrobel >>> >>> On Fri, Jun 19, 2020, 06:17 Craig Payne wrote: >>> >>>> So, washers on # 1 and #4 ?? I believe they belong on #2 and #7. Sounds >>>> like other issues going on with the wiring as well. >>>> >>>> Craig Payne >>>> >>> ________________________________ Message 8 _____________________________________ Time: 09:49:10 PM PST US From: Mark Pennington Subject: Re: Yak-List: Re: Cylinder Head Temperature Gages Dennis. We have this cleared up for the Housai. Is it the same for M14P. Cylinders 1 and 4. Number 4 for the front cockpit ? Thanks Mark On Fri, Jun 19, 2020 at 6:16 PM Greg Wrobel wrote: > Ok. At least I got everything connected to to the correct cylinders. 1&4. > Now just following wire or swapping gages (rear to Front) to see if the > problem follows. Y'all are great thanks a billion. > > Greg "Clouddog" Wrobel > > On Fri, Jun 19, 2020, 14:25 Mark Pennington < > pennington.construction.inc.1@gmail.com> wrote: > >> Walt. >> >> I am at the hangar with the tech manual for the Housai. >> >> You are correct as usual. It is cylinders 1 and 4. >> >> And Cylinder 4 goes to the front cockpit. >> >> I have attached a photo of the page in the manual. >> >> Start reading at code 41Y. 42Y talks about front cockpit. #4 cylinder. >> >> >> Thanks Walt >> >> Mark Pennington >> >> >> >> On Fri, Jun 19, 2020 at 1:47 PM Walter Lannon wrote: >> >>> I can confirm that #1 and #4 rear spark plugs are the correct location >>> for the CHT sensors. >>> >>> These are the two hottest cylinders. There is manual information that >>> identifies those and to which cockpit but I have no time right now to dig >>> it up. >>> >>> Cheers; >>> Walt >>> >>> *From:* Mark Pennington >>> *Sent:* Friday, June 19, 2020 6:14 AM >>> *To:* yak-list@matronics.com >>> *Subject:* Re: Yak-List: Re: Cylinder Head Temperature Gages >>> >>> Good Morning Greg >>> >>> I fly a CJ with an M14P and my CHT sensors are on 1&2, not sure which is >>> front and which is rear. Not sure how the CJ comes from the factory with a >>> Housai. Or how a Yak with an M14P is wired either. >>> >>> If you go to Dougs website and go to volume 5 and right click that book >>> and open it up in a different tab or download it to your computer look at >>> page 407, Figure 2-14-2 in the book. It shows the complete wiring from the >>> copper ring to the plug that plugs into your gauge. Yes there are two >>> separate unrelated wire runs for the front and rear cockpits. Two each of >>> the assembly on page 407. >>> >>> The sensor is a thermocouple and does not require any exterior voltage >>> to work. That is why it shows a cylinder head temp on the ground in the >>> hangar with the master off. >>> >>> From what I can tell, those of us that have the auto plug conversion >>> kits on our planes remove the washer on the spark plug and of course >>> install the thermocouple copper ring in its place. Hopefully ensuring >>> proper penetration into the cylinder head for good combustion. >>> >>> You don't have to remove the washer on the plug, but I understand some >>> folks do. >>> >>> If you take a look at page 407 you can see there are two separate areas >>> that have terminations that may be causing your shaking issues due to >>> possible loose connections or broken wires. On my aircraft I do not have >>> the intermediate terminals closest to the plug shown on page 407. The >>> thermocouple attaches at the engine and runs straight to the plug on the >>> rear of my CHT gauge. Not sure all planes are or were wired per the book >>> on page 407. The thermocouple assembly under the cowl is the first set >>> of screw terminals shown on page 407. >>> >>> >>> Hope this helps. Please let us know what you found. It may help others. >>> >>> >>> Mark Pennington >>> CJ6 Driver. >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> Virus-free. >>> www.avast.com >>> >>> >>> On Fri, Jun 19, 2020 at 8:17 AM Greg Wrobel >>> wrote: >>> >>>> 1&4 is the way it was when I bought it. My bad for assuming they were >>>> correct. So what you're saying is 2&7 are the hottest cylinders with 2 >>>> going to the front gage and 7 to the rear gage? Anyone else have their >>>> temp probes connected to different cylinders? >>>> >>>> Greg "Clouddog" Wrobel >>>> >>>> On Fri, Jun 19, 2020, 06:17 Craig Payne wrote: >>>> >>>>> So, washers on # 1 and #4 ?? I believe they belong on #2 and #7. >>>>> Sounds like other issues going on with the wiring as well. >>>>> >>>>> Craig Payne >>>>> >>>> ________________________________ Message 9 _____________________________________ Time: 11:45:16 PM PST US From: Stephen van Dijck Subject: Re: Yak-List: Re: Cylinder Head Temperature Gages Can someone send me Dougs website address. thanks, Steve > On 20 Jun 2020, at 00:23, Mark Pennington wrote: > > Dennis. > > We have this cleared up for the Housai. > > Is it the same for M14P. Cylinders 1 and 4. Number 4 for the front cockpit ? > > Thanks > Mark > > On Fri, Jun 19, 2020 at 6:16 PM Greg Wrobel > wrote: > Ok. At least I got everything connected to to the correct cylinders. 1&4. Now just following wire or swapping gages (rear to Front) to see if the problem follows. Y'all are great thanks a billion. > > Greg "Clouddog" Wrobel > > On Fri, Jun 19, 2020, 14:25 Mark Pennington > wrote: > Walt. > > > I am at the hangar with the tech manual for the Housai. > > You are correct as usual. It is cylinders 1 and 4. > > And Cylinder 4 goes to the front cockpit. > > I have attached a photo of the page in the manual. > > Start reading at code 41Y. 42Y talks about front cockpit. #4 cylinder. > > Thanks Walt > > Mark Pennington > > > > On Fri, Jun 19, 2020 at 1:47 PM Walter Lannon > wrote: > I can confirm that #1 and #4 rear spark plugs are the correct location for the CHT sensors. > > These are the two hottest cylinders. There is manual information that identifies those and to which cockpit but I have no time right now to dig it up. > > Cheers; > Walt > > From: Mark Pennington > Sent: Friday, June 19, 2020 6:14 AM > To: yak-list@matronics.com > Subject: Re: Yak-List: Re: Cylinder Head Temperature Gages > > Good Morning Greg > > I fly a CJ with an M14P and my CHT sensors are on 1&2, not sure which is front and which is rear. Not sure how the CJ comes from the factory with a Housai. Or how a Yak with an M14P is wired either. > > If you go to Dougs website and go to volume 5 and right click that book and open it up in a different tab or download it to your computer look at page 407, Figure 2-14-2 in the book. It shows the complete wiring from the copper ring to the plug that plugs into your gauge. Yes there are two separate unrelated wire runs for the front and rear cockpits. Two each of the assembly on page 407. > > The sensor is a thermocouple and does not require any exterior voltage to work. That is why it shows a cylinder head temp on the ground in the hangar with the master off. > > =46rom what I can tell, those of us that have the auto plug conversion kits on our planes remove the washer on the spark plug and of course install the thermocouple copper ring in its place. Hopefully ensuring proper penetration into the cylinder head for good combustion. > > You don't have to remove the washer on the plug, but I understand some folks do. > > If you take a look at page 407 you can see there are two separate areas that have terminations that may be causing your shaking issues due to possible loose connections or broken wires. On my aircraft I do not have the intermediate terminals closest to the plug shown on page 407. The thermocouple attaches at the engine and runs straight to the plug on the rear of my CHT gauge. Not sure all planes are or were wired per the book on page 407. The thermocouple assembly under the cowl is the first set of screw terminals shown on page 407. > > > Hope this helps. Please let us know what you found. It may help others. > > > Mark Pennington > CJ6 Driver. > > > > > > > > > Virus-free. www.avast.com > > On Fri, Jun 19, 2020 at 8:17 AM Greg Wrobel > wrote: > 1&4 is the way it was when I bought it. My bad for assuming they were correct. So what you're saying is 2&7 are the hottest cylinders with 2 going to the front gage and 7 to the rear gage? Anyone else have their temp probes connected to different cylinders? > > Greg "Clouddog" Wrobel > > On Fri, Jun 19, 2020, 06:17 Craig Payne > wrote: > So, washers on # 1 and #4 ?? I believe they belong on #2 and #7. Sounds like other issues going on with the wiring as well. > > Craig Payne ------------------------------------------------------------------------------------- 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.