Yak-List Digest Archive

Thu 04/02/09


Total Messages Posted: 13



Today's Message Index:
----------------------
 
     1. 12:02 PM - Re: Scott Taliwheel for Yak 55M (mikspin)
     2. 12:57 PM - Housai mag question (skidmk)
     3. 01:04 PM - Re: Re: Scott Taliwheel for Yak 55M (Wesley Warner)
     4. 01:13 PM - Re: Housai mag question (vectorwarbirds@aol.com)
     5. 02:40 PM - Question about cylinder head monitoring (keithmckinley)
     6. 02:53 PM - Leaning the Housai - don't want to restart a beat up thread (keithmckinley)
     7. 03:06 PM - Re: Question about cylinder head monitoring (vectorwarbirds@aol.com)
     8. 04:28 PM - Re: Leaning the Housai - don't want to restart a beat up thread (ByronMFox@aol.com)
     9. 04:42 PM - Re: Leaning the Housai - don't want to restart a beat up thread (vectorwarbirds@aol.com)
    10. 05:11 PM - Re: Leaning the Housai - don't want to restart a beat up thread (keithmckinley)
    11. 07:03 PM - Cylinder head temp monitoring (Frank)
    12. 08:11 PM - Re: Housai mag question (Walter Lannon)
    13. 09:30 PM - Re: Cylinder head temp monitoring (keithmckinley)
 
 
 


Message 1


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    Time: 12:02:38 PM PST US
    Subject: Re: Scott Taliwheel for Yak 55M
    From: "mikspin" <acromike@gmail.com>
    Wes, I never saw a reply post on this, did you say that you had or could get some drawings on the Scott tailwheel adapter that was machined? Please lemme know, Mike Hastings Read this topic online here: http://forums.matronics.com/viewtopic.php?p=237409#237409


    Message 2


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    Time: 12:57:29 PM PST US
    Subject: Housai mag question
    From: "skidmk" <skidmk@gmail.com>
    Hey all,, in midst of my annual,, cleaning the mags checking the gaps etc. where is the "felt" we're supposed to put a couple of drops of oil on and a "reservoir" that is supposed to be filled? fast answer appreciated thanks MIke -------- Mike &quot;Skidmk&quot; Bourget Ottawa, Ontario Read this topic online here: http://forums.matronics.com/viewtopic.php?p=237421#237421


    Message 3


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    Time: 01:04:31 PM PST US
    Subject: Re: Scott Taliwheel for Yak 55M
    From: Wesley Warner <warner.wesley@gmail.com>
    Mike, The guy I was working with was supposed to get back to me. I just spoke with him a few minutes ago, and lit a fire. :) He made it seem as though the file was gone because it has been so long. However, he's going to look. He said that if he had the file and the rest of the parts from the initial run, and I bought them, he would include the file (if he can find it). I'll keep you updated. Wes On Thu, Apr 2, 2009 at 2:57 PM, mikspin <acromike@gmail.com> wrote: > > Wes, > > I never saw a reply post on this, did you say that you had or could get some drawings on the Scott tailwheel adapter that was machined? > > Please lemme know, > > Mike Hastings > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=237409#237409 > >


    Message 4


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    Time: 01:13:21 PM PST US
    Subject: Re: Housai mag question
    From: vectorwarbirds@aol.com
    -----Original Message----- From: skidmk <skidmk@gmail.com> Sent: Thu, 2 Apr 2009 12:54 pm Subject: Yak-List: Housai mag question Hey all,, in midst of my annual,, cleaning the mags checking the gaps etc. where is the "felt" we're supposed to put a couple of drops of oil on and a "reservoir" that is supposed to be filled? fast answer appreciated thanks MIke -------- Mike &quot;Skidmk&quot; Bourget Ottawa, Ontario Mike in the small hole on the side round felt holder. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=237421#237421 Mike


    Message 5


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    Time: 02:40:31 PM PST US
    Subject: Question about cylinder head monitoring
    From: "keithmckinley" <keith.mckinley@townisp.com>
    MGL avionics makes a temp gauge that will accept and display 12 inputs. The gauge is around 200 dollars and the probes are 40 dollars each. Would the expense of monitoring all 9 cylinder temps be worth the cost of this? My though is it would go a long way in the event trouble shooting or engine diagnostics is needed not to mention another good way to monitor one component of engine health. As always the input from this board is much appreciated. Thanks in advance, Keith McKinley -------- Keith McKinley 700 HS KFIT Read this topic online here: http://forums.matronics.com/viewtopic.php?p=237437#237437


    Message 6


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    Time: 02:53:40 PM PST US
    Subject: Leaning the Housai - don't want to restart a beat up thread
    From: "keithmckinley" <keith.mckinley@townisp.com>
    I know that this was probably some insane thread at one point, but after researching old posts on Yak-List I couldn't find anything substantial. For a guy with just about all jet time (and first time a/c owner) I feel like I am finally getting a good feel for where I need to be mixture wise. In fact I think I was running too lean for the first few months of ownership, but I still have questions. I'm getting a peak EGT of 760F and the engine seems to like about 25-35 degrees rich of this. (I don't have a FF gauge) Can anyone recommend a good source of info on running the proper mixture on a radial? I've probed the internet but did not really find anything I thought was useful. Again my intent is NOT to reopen a beat to death subject :? -------- Keith McKinley 700 HS KFIT Read this topic online here: http://forums.matronics.com/viewtopic.php?p=237440#237440


    Message 7


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    Time: 03:06:46 PM PST US
    Subject: Re: Question about cylinder head monitoring
    From: vectorwarbirds@aol.com
    Westach makes a nine cylinder system as well, with rotary switch to pick cylinders.? I have it in my Nanchang, it was about $150 as their probes are about ten bucks.? And yes it is worth it, I leave it on the master cylinder as it usually runs the hottest then look around at the others to see what they are doing.? I lost a cylinder on takeoff once, then found the offending one in the pattern returning to land so it was easy to find and figure out. 'Bunndini' Vector Warbirds USA -----Original Message----- From: keithmckinley <keith.mckinley@townisp.com> Sent: Thu, 2 Apr 2009 2:38 pm Subject: Yak-List: Question about cylinder head monitoring MGL avionics makes a temp gauge that will accept and display 12 inputs. The gauge is around 200 dollars and the probes are 40 dollars each. Would the expense of monitoring all 9 cylinder temps be worth the cost of this? My though is it would go a long way in the event trouble shooting or engine diagnostics is needed not to mention another good way to monitor one component of engine health. As always the input from this board is much appreciated. Thanks in advance, Keith McKinley -------- Keith McKinley 700 HS KFIT Read this topic online here: http://forums.matronics.com/viewtopic.php?p=237437#237437


    Message 8


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    Time: 04:28:46 PM PST US
    From: ByronMFox@aol.com
    Subject: Re: Leaning the Housai - don't want to restart a beat up thread
    In a message dated 4/2/09 2:54:38 PM, keith.mckinley@townisp.com writes: > > I'm getting a peak EGT of 760F and the engine seems to like about 25-35 > degrees rich of this. (I don't have a FF gauge) > > Can anyone recommend a good source of info on running the proper mixture o n > a radial? I've probed the internet but did not really find anything I thou ght > was useful. > Keith, I have a single EGT probe on #1, and for want of a better number I've been running 50 degree rich of this. I also will be interested in other responses. ...Blitz ************** New Low Prices on Dell Laptops =93 Starting at $399 ttp:%2F%2Fad.doubleclick.net%2Fclk%3B213540718%3B35046385%3Be)


    Message 9


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    Time: 04:42:02 PM PST US
    Subject: Re: Leaning the Housai - don't want to restart a beat up thread
    From: vectorwarbirds@aol.com
    Well the first thing we do here at Vector Warbirds is to take her out at ni ght and tie her down, damn that just sounds wrong!, well anyway then we run her till warmed up, go full power, bring the mixture slowly to full lean and have someone outside watch the exhausts, if yellow flames adjust the carb l eaner until you get a nice clean blue flame with no backfiring. You can find the carb adjustment proceedures in the manual and air jet replacement. We can run at cruise, 22" at 2150rpm and see 12 to 13gph fuel burn. Plugs lo ok good and head temps run about 200C or less.=C2- We got no EGTs.=C2- 'Bunndini' -----Original Message----- From: ByronMFox@aol.com Sent: Thu, 2 Apr 2009 4:24 pm Subject: Re: Yak-List: Leaning the Housai - don't want to restart a beat up thread In a message dated 4/2/09 2:54:38 PM, keith.mckinley@townisp.com writes: I'm getting a peak EGT of 760F and the engine seems to like about 25-35 degr ees rich of this. (I don't have a FF gauge) Can anyone recommend a good source of info on running the proper mixture on a radial? I've probed the internet but did not really find anything I though t was useful. Keith, I have a single EGT probe on #1, and for want of a better number I've been running 50 degree rich of this. I also will be interested in other res ponses.=C2-=C2- ...Blitz ************** New Low Prices on Dell Laptops =93 Starting at r=http:%2F%2Fad.doubleclick.net%2Fclk%3B213540718%3B35046385%3Be)


    Message 10


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    Time: 05:11:19 PM PST US
    Subject: Re: Leaning the Housai - don't want to restart a beat up thread
    From: "keithmckinley" <keith.mckinley@townisp.com>
    Byron, I mistakingly indicated a peak temp of 760F and I meant 760 Centigrade. If you are running Fahrenheit on your gauge you would be about twice my Celsius temp and therefore your 50 degree rich of peak would be just about the same as my 25 degrees. I had heard the "50" rich of peak thrown around but if I set that in Centigrade I'm almost full rich. Keith -------- Keith McKinley 700 HS KFIT Read this topic online here: http://forums.matronics.com/viewtopic.php?p=237459#237459


    Message 11


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    Time: 07:03:54 PM PST US
    From: "Frank" <frank@orionite.com>
    Subject: Cylinder head temp monitoring
    Keith When trying to understand the operation or behavior of any given system (eng temps in your case) the more information you have about what is happening "under the hood" the better. $200 for a temp display unit sounds reasonable but $40 per sensor sounds excessive given that thermocouple wire is cheap as hell. As to monitoring all 9 cyls on an M14....I think it would be worth it. Not so much as an everyday management tool while flying behind your engine but to report back to this list the results you get from cylinder by cylinder temp monitoring during various flight regimes. I suspect what you report back will be a monotonous set of data that shows little variation between individual cylinder temps....at least with any temp differences due to mixture variances. The M-14 has a supercharger that atomizes the fuel charge in a fairly uniform manner so cylinder to cylinder temp variations likely have little to do with mixture control (As you know, we have little control of the fuel mixture on an M-14). The Russians thought that monitoring only a few cylinders was sufficient so they designed their temp monitoring circuit in that light. But by all means, buy the system (spend some to help the economy) and then report back to this list the results of your findings. I'd like to see if this prediction is in line with reality. Regards Frank ----- Original Message ----- From: "keithmckinley" <keith.mckinley@townisp.com> Sent: Thursday, April 02, 2009 2:38 PM Subject: Yak-List: Question about cylinder head monitoring > <keith.mckinley@townisp.com> > > MGL avionics makes a temp gauge that will accept and display 12 inputs. > The gauge is around 200 dollars and the probes are 40 dollars each. > > Would the expense of monitoring all 9 cylinder temps be worth the cost of > this? > > My though is it would go a long way in the event trouble shooting or > engine diagnostics is needed not to mention another good way to monitor > one component of engine health. > > As always the input from this board is much appreciated. > > Thanks in advance, > Keith McKinley > > -------- > Keith McKinley > 700 HS > KFIT > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=237437#237437 > > > __________ Information from ESET Smart Security, version of virus > signature database 3984 (20090402) __________ > > The message was checked by ESET Smart Security. > > >


    Message 12


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    Time: 08:11:57 PM PST US
    From: Walter Lannon <wlannon@persona.ca>
    Subject: Re: Housai mag question
    Mike; The end of the felt wick rides on the cam. The rest is coiled up inside a small round metal can.----- DO NOT fill it up. Remove the cover and check if the felt has oil in it. If it is dry give it a few drops of engine oil. It's a judgement call, the felt should be moist enough to wick a very small amount to the cam surface but not saturated with oil. Too much oil will foul the points and cause much trouble. Walt ----- Original Message ----- From: "skidmk" <skidmk@gmail.com> Sent: Thursday, April 02, 2009 12:54 PM Subject: Yak-List: Housai mag question > > Hey all,, in midst of my annual,, cleaning the mags checking the gaps etc. > > where is the "felt" we're supposed to put a couple of drops of oil on and > a "reservoir" that is supposed to be filled? > > fast answer appreciated > > thanks > > MIke > > -------- > Mike &quot;Skidmk&quot; Bourget > Ottawa, Ontario > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=237421#237421 > > >


    Message 13


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    Time: 09:30:27 PM PST US
    Subject: Re: Cylinder head temp monitoring
    From: "keithmckinley" <keith.mckinley@townisp.com>
    Hi Frank, Thanks for the input. I guess I should have mentioned I have the Housai, but I get your drift. I'll look around for a better price on the sending units! Cheers, Keith -------- Keith McKinley 700 HS KFIT Read this topic online here: http://forums.matronics.com/viewtopic.php?p=237483#237483




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