Yak-List Digest Archive

Mon 04/10/17


Total Messages Posted: 13



Today's Message Index:
----------------------
 
     1. 07:49 AM - Wingtip Strobes Question (JON)
     2. 08:21 AM - =?utf-8?Q?Re:__Re:_PTT_hat_=F0=9F=8E=A9? (JON)
     3. 09:02 AM - Re: Wingtip Strobes Question (Robin Hou)
     4. 09:02 AM - Re: Wingtip Strobes Question (Anthony Savarese)
     5. 09:20 AM - Manuals for Housai engine... (Cliff Coy)
     6. 11:34 AM - Re: [Non-DoD Source] Re: Gyro compass adjustment (Walter Lannon)
     7. 02:28 PM - 9 cylinder egt/cht systems (Jon Blake)
     8. 02:53 PM - Re: 9 cylinder egt/cht systems (Ttail)
     9. 03:10 PM - Re: 9 cylinder egt/cht systems (Byron Fox)
    10. 03:11 PM - [Non-DoD Source] Re: Gyro compass adjustment (Ttail)
    11. 03:30 PM - Re: [Non-DoD Source] Re: Gyro compass adjustment (Bitterlich, Mark G CIV NAVAIR, WD)
    12. 04:41 PM - Re: 9 cylinder egt/cht systems (Larry Pine)
    13. 06:53 PM - Re: 9 cylinder egt/cht systems (Jon Blake)
 
 
 


Message 1


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    Time: 07:49:14 AM PST US
    From: JON <jblake207@comcast.net>
    Subject: Wingtip Strobes Question
    My right wingtip strobe light has failed. The left works fine and the right has that "burned out" appearance with black shading inside. See attached. I bought a new Whelen brand strobe thinking it would be a direct replacemen t... I was wrong. The base of the Whelen is not pliable and is too large to fit inside the glass globe. The old light has a very pliable silicone base and doesn't have the loop in the glass like the whelen light. My airplane was imported by Yakkity Yaks in 1995 and I'm presuming they used similar if not exact same parts on most of their imports. So here's the question, doe s anyone have a clue as to the brand name of these tip strobes? =C2-Also any suggestions on repair or replacement are welcome. Thanks in advance Red Stars. JB Jon Blake jblake207@comcast.net


    Message 2


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    Time: 08:21:36 AM PST US
    From: JON <jblake207@comcast.net>
    Subject: Re: ?utf-8?Q?Re:_Yak-List:_Re:_PTT_hat_=F0=9F=8E=A9?
    Or purchase one=C2-from Doug Sapp to help keep him in the parts bidness.. . ----- Original Message ----- From: "Russ" <duncan1574@gmail.com> Sent: Saturday, April 8, 2017 6:10:18 AM Subject: Yak-List: Re: PTT hat =F0=9F=8E=A9 Find your local amateur radio supply house and show them one. Russ =========== =========== MS - =========== WIKI - =========== e - =C2- =C2- =C2- =C2- =C2--Matt Dralle, List Admin. ===========


    Message 3


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    Time: 09:02:31 AM PST US
    From: Robin Hou <rhou780@gmail.com>
    Subject: Re: Wingtip Strobes Question
    I think it is an Aeroflash unit: http://www.skygeek.com/073-0270.html?utm_source=googlebase&utm_medium=shoppingengine&utm_content=073-0270&utm_campaign=froogle&gclid=CjwKEAjw2qzHBRChloWxgoXDpyASJAB01Io0-hY0jqahzz84mT3kvOIeK4O11kbb8k6yaGg8JBLnJRoClHrw_wcB On Mon, Apr 10, 2017 at 7:45 AM, JON <jblake207@comcast.net> wrote: > My right wingtip strobe light has failed. The left works fine and the > right has that "burned out" appearance with black shading inside. See > attached. I bought a new Whelen brand strobe thinking it would be a direct > replacement... I was wrong. The base of the Whelen is not pliable and is > too large to fit inside the glass globe. The old light has a very pliable > silicone base and doesn't have the loop in the glass like the whelen light. > My airplane was imported by Yakkity Yaks in 1995 and I'm presuming they > used similar if not exact same parts on most of their imports. So here's > the question, does anyone have a clue as to the brand name of these tip > strobes? Also any suggestions on repair or replacement are welcome. > > Thanks in advance Red Stars. > > JB > > Jon Blake > jblake207@comcast.net > >


    Message 4


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    Time: 09:02:40 AM PST US
    Subject: Re: Wingtip Strobes Question
    From: Anthony Savarese <dsavarese0812@bellsouth.net>
    Could it be an Aeroflash strobe light? Dennis Sent from my iPhone > On Apr 10, 2017, at 10:45 AM, JON <jblake207@comcast.net> wrote: > > My right wingtip strobe light has failed. The left works fine and the righ t has that "burned out" appearance with black shading inside. See attached. I bought a new Whelen brand strobe thinking it would be a direct replacement. .. I was wrong. The base of the Whelen is not pliable and is too large to fi t inside the glass globe. The old light has a very pliable silicone base and doesn't have the loop in the glass like the whelen light. My airplane was i mported by Yakkity Yaks in 1995 and I'm presuming they used similar if not e xact same parts on most of their imports. So here's the question, does anyon e have a clue as to the brand name of these tip strobes? Also any suggestio ns on repair or replacement are welcome. > > Thanks in advance Red Stars. > > JB > > Jon Blake > jblake207@comcast.net > > > <Wing Strobe2.jpg>


    Message 5


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    Time: 09:20:48 AM PST US
    From: Cliff Coy <cliff.coy@gmail.com>
    Subject: Manuals for Housai engine...
    Good afternoon all, Would anyone have a .pdf of the engine manuals, in English, for this engine? We have an a FAA type who'd like to see them before issuing an airworthiness certificate. Thanks and best regards, Cliff -- Clifford Coy Border Air Ltd. 629 Airport Rd. Swanton, VT 05488 802-868-2822 TEL 802-868-4465 FAX Skype: Cliff.Coy


    Message 6


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    Time: 11:34:38 AM PST US
    From: "Walter Lannon" <wlannon@shaw.ca>
    Subject: Re: [Non-DoD Source] Re: Gyro compass adjustment
    Hi Looigi; Thanks for the photos. Proves, again, that one should never make assumptions in this business. The Yak 52 system is quite different than the CJ and likely much more modern. Walt -----Original Message----- From: Looigi Sent: Sunday, April 09, 2017 10:25 PM Subject: Yak-List: [Non-DoD Source] Re: Gyro compass adjustment Hi Guys, Getting rid of the deviation is easy if the whole card needs to be adjusted, like Walt says, just turn the flux valve to suit. Does anyone know how to adjust the KM-8 Correction Mechanism that hides behind the back seat on the yak-52? It looks like this..... https://forums.eagle.ru/attachment.php?attachmentid=135933&d=1457048380 I am guessing that by looking at it the adjusting know makes the same correction as turning the flux valve does, but has anyone else played with it? Cheers Chris Read this topic online here: http://forums.matronics.com/viewtopic.php?p=468224#468224 --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus


    Message 7


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    Time: 02:28:42 PM PST US
    From: Jon Blake <jblake207@comcast.net>
    Subject: 9 cylinder egt/cht systems
    Seems like someone posted an inexpensive 9 cylinder system on here a year or two ago... Does anyone remember the system and where to get it? Also, and maybe more important, any reviews? Thanks, JB Sent from my iPad


    Message 8


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    Time: 02:53:44 PM PST US
    Subject: Re: 9 cylinder egt/cht systems
    From: "Ttail" <ttail@internode.on.net>
    http://www.aerospacelogic.com/index.php?dispatch=products.view&product_id=88 Fitted one of these. Reasonably straight forward. Operated flawlessly for 2 years. Recently one thermocouple went Kaput .... waiting on a spare. Company takes a while to respond to requests Read this topic online here: http://forums.matronics.com/viewtopic.php?p=468266#468266


    Message 9


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    Time: 03:10:47 PM PST US
    From: Byron Fox <byronmfox@gmail.com>
    Subject: Re: 9 cylinder egt/cht systems
    I installed the CHT system, Jon. It's made by a Canadian outfit, the name of which I can't remember at the moment. I can get it for you when next in my hangar. They had some difficulty getting it through US customs, but after some delay the system arrived. Truth be told I'm not wild about it. A couple of the leads which affix below the spark plugs have failed. Also, I question the accuracy. Seems to read a bit low when compared to the remaining Chinese sensor in the backseat. On Mon, Apr 10, 2017 at 2:21 PM, Jon Blake <jblake207@comcast.net> wrote: > > Seems like someone posted an inexpensive 9 cylinder system on here a year > or two ago... Does anyone remember the system and where to get it? Also, > and maybe more important, any reviews? Thanks, JB > > > Sent from my iPad > > -- ... Blitz Byron M. Fox 80 Milland Drive Mill Valley, CA 94941 415-307-2405


    Message 10


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    Time: 03:11:18 PM PST US
    Subject: Re: [Non-DoD Source] Re: Gyro compass adjustment
    From: "Ttail" <ttail@internode.on.net>
    This from a YAK40 manual might be of use: Read this topic online here: http://forums.matronics.com/viewtopic.php?p=468267#468267 Attachments: http://forums.matronics.com//files/yak40simdg_366.jpg


    Message 11


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    Time: 03:30:55 PM PST US
    From: "Bitterlich, Mark G CIV NAVAIR, WD" <mark.bitterlich@navy.mil>
    Subject: Re: Gyro compass adjustment
    Yes, I have had experience swinging old compass systems that used a Flux "Valve", or Flux Gate Transmitter, or whatever you want to call them. We did it by first checking the actual valve externally, then doing a visual site transfer (surveying scopes) into the airplane and then compensating for single and two cycle errors. Each system is unique to some degree and sometimes some pretty elaborate equipment was used. That said, the OLD way still works, and that is putting the airplane on a rose and simply adjusting the compensating magnets while moving the aircraft around the rose to align it with the cardinal points. Moving a flux valve in an airplane ... as in simply moving it directionally to "adjust for deviation" changes the compensation of the valve. Meaning you will get it to read properly in one direction only. I do not know the system in the 52 at all. But if it uses a REMOTE flux valve, then I would never move that valve in the mount to do a darn thing. Instead I would find the compensation adjustment points and adjust those instead, pretty much like you would any other compass. If you move the valve AT ALL, then you must re-compensate it, because it the airplanes single and dual cycle errors, induced by electrical fields and also fields around steel parts, etc.,etc., will change. An interesting tid bit. I have seen compass roses at small airports all over the place. They are probably inaccurate. We re-do the rose every 2 years. A compass rose that was painted back in the day is no longer accurate. In 40 years, the one here has shifted over two degrees, but that being said, it all depends on how accurate you need to get. We had to be better than +/- one degree for the flux valve systems. More than that for just a simple ole panel mount job like you normally see in general aviation aircraft. So, again ... not knowing the 52, I am worried that it mightt be the "hard kind" and I would not turn anything until I found a manual, or an expert. It could be dead easy. It also could be one that you turn the flux valve and it never works correctly again. :-( Mark ________________________________ From: owner-yak-list-server@matronics.com [owner-yak-list-server@matronics.com] on behalf of Walter Lannon [wlannon@shaw.ca] Sent: Monday, April 10, 2017 12:59 AM Subject: Re: [Non-DoD Source] Re: Yak-List: Gyro compass adjustment Hi Mark; Damned if I know; That is way beyond my pay grade but I'm sure you could help. Yes; looking for the flux gate; transmitter; or whatever it may be called. But in my 1965 CJ it is still a magnetic compass (though a very large one), with a card and a viewing window to facilitate calibration. Entirely possible I have made a grave error by assuming the Yak 52 uses the same unit, a mistake I make too often. The calibrated North/South line is usually included in the compass rose which is found somewhere on most airport tarmacs. Can't say I have ever seen one without that line, but then--------. Don't know about "art form" but often the compass swing can be one hell of a lot of work and, in Canada, is a requirement for every Annual Inspection and Certification that I do. Cheers; Walt -----Original Message----- From: Bitterlich, Mark G CIV NAVAIR, WD Sent: Sunday, April 09, 2017 7:51 PM Subject: RE: [Non-DoD Source] Re: Yak-List: Gyro compass adjustment <mark.bitterlich@navy.mil> Interesting Walt. Are you trying to remove single or two cycle error? Mark Bitterlich. p.s. Swinging a compass is an art form. "First thing is to find the compass". I think you might be talking about a flux valve. I have not worked on this system in a YAK-52 and if it is what I think you are talking about, I have no desire to, but I would like to know the facts regarding this particular system. Can you educate me please? For what it is worth, my input is that first you have to find a calibrated north south line. Good luck with that. ________________________________ From: owner-yak-list-server@matronics.com [owner-yak-list-server@matronics.com] on behalf of Walter Lannon [wlannon@shaw.ca] Sent: Sunday, April 09, 2017 1:36 AM Subject: [Non-DoD Source] Re: Yak-List: Gyro compass adjustment The gyrosyn compass is a gyro stabilized magnetic compass and is not tied to the ADF. First thing is find the compass. Most likely in the aft fuselage - remote from electrical interference as much as possible. It has a corrector unit like the standby compass and is swung in the same manner but has an additional feature. Once the standard swing is complete calculate the average algebraic sum of the corrections (+ or -), unlock and rotate the entire compass in the correct direction to remove that error. Walt -----Original Message----- From: Looigi Sent: Saturday, April 08, 2017 4:57 PM Subject: Yak-List: Gyro compass adjustment Hi All, We have just imported a Yak-52 into New Zealand from Italy. He is almost ready for flight, but one job that remains is to do a compass swing. Our plane has had the ADF system removed. I am not sure if that affects things; I know the systems are sort of tied together. The direct reading compasses are easy, but does anyone have any data on how to adjust the gyro compass? I have flicked the switch on the control panel to "South" and set the lattitude, but I am thinking I will need to fiddle with it to sort the deviation. Many thanks Chris Read this topic online here: http://forums.matronics.com/viewtopic.php?p=468154#468154 --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus


    Message 12


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    Time: 04:41:41 PM PST US
    From: Larry Pine <threein60@yahoo.com>
    Subject: Re: 9 cylinder egt/cht systems
    I have bought stuff from this company as well. This is a very small garage c ompany and due to their size customer service suffers. Larry Sent from my iPad > On Apr 10, 2017, at 3:08 PM, Byron Fox <byronmfox@gmail.com> wrote: > > I installed the CHT system, Jon. It's made by a Canadian outfit, the name o f which I can't remember at the moment. I can get it for you when next in my hangar. They had some difficulty getting it through US customs, but after s ome delay the system arrived. Truth be told I'm not wild about it. A couple o f the leads which affix below the spark plugs have failed. Also, I question t he accuracy. Seems to read a bit low when compared to the remaining Chinese s ensor in the backseat. > >> On Mon, Apr 10, 2017 at 2:21 PM, Jon Blake <jblake207@comcast.net> wrote: >> >> Seems like someone posted an inexpensive 9 cylinder system on here a year or two ago... Does anyone remember the system and where to get it? Also, a nd maybe more important, any reviews? Thanks, JB >> >> >> Sent from my iPad >> >> ========================= >> 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 >> ========================= >> >> >> > > > > -- > ... Blitz > > Byron M. Fox > 80 Milland Drive > Mill Valley, CA 94941 > 415-307-2405 >


    Message 13


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    Time: 06:53:39 PM PST US
    From: Jon Blake <jblake207@comcast.net>
    Subject: Re: 9 cylinder egt/cht systems
    Thanks Blitz. I'm thinking about the edm 700-9 but it's expensive. Maybe I c ould sell some blood... Nope, tainted with mad cow and crown. Saber Sent from my iPad > On Apr 10, 2017, at 18:08, Byron Fox <byronmfox@gmail.com> wrote: > > I installed the CHT system, Jon. It's made by a Canadian outfit, the name o f which I can't remember at the moment. I can get it for you when next in my hangar. They had some difficulty getting it through US customs, but after s ome delay the system arrived. Truth be told I'm not wild about it. A couple o f the leads which affix below the spark plugs have failed. Also, I question t he accuracy. Seems to read a bit low when compared to the remaining Chinese s ensor in the backseat. > >> On Mon, Apr 10, 2017 at 2:21 PM, Jon Blake <jblake207@comcast.net> wrote: >> >> Seems like someone posted an inexpensive 9 cylinder system on here a year or two ago... Does anyone remember the system and where to get it? Also, a nd maybe more important, any reviews? Thanks, JB >> >> >> Sent from my iPad >> >> ========================= >> 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 >> ========================= >> >> >> > > > > -- > ... Blitz > > Byron M. Fox > 80 Milland Drive > Mill Valley, CA 94941 > 415-307-2405 >




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