Yak-List Digest Archive

Mon 12/24/07


Total Messages Posted: 30



Today's Message Index:
----------------------
 
     1. 03:19 AM - Re: New CJ Canopy Glass (Ira Saligman)
     2. 04:31 AM - Re: White Paper on Russian Generator System (Rob Rowe)
     3. 06:02 AM - Re: B&C Alternator (Roger Kemp)
     4. 06:05 AM - Re: B&C Alternator (david stroud)
     5. 06:19 AM - Re: B&C Alternator (DaBear)
     6. 06:36 AM - Merry Christmas! (Jill Gernetzke)
     7. 06:52 AM - Re: B&C Alternator (Herb Coussons)
     8. 07:52 AM - Re: White Paper on Russian Generator System (tjyak50)
     9. 08:03 AM - Re: B&C Alternator (tjyak50)
    10. 08:47 AM - Re: Re: White Paper on Russian Generator System (Jan Mevis)
    11. 09:43 AM - Re: Re: B&C Alternator (Cliff Coy)
    12. 10:23 AM - Re: B&C Alternator (Brian Lloyd)
    13. 10:33 AM - Re: Re: B&C Alternator (Brian Lloyd)
    14. 12:22 PM - Re: B&C Alternator (Roger Kemp)
    15. 12:25 PM - Re: Re: White Paper on Russian Generator System (Roger Kemp)
    16. 12:34 PM - Re: B&C Alternator (Roger Kemp)
    17. 01:24 PM - Re: Re: White Paper on Russian Generator System (Brian Lloyd)
    18. 01:31 PM - Re: B&C Alternator (Brian Lloyd)
    19. 01:32 PM - Re: B&C Alternator (Brian Lloyd)
    20. 02:23 PM - Re: B&C Alternator (Don Milbourn)
    21. 02:35 PM - Re: B&C Alternator (Don Milbourn)
    22. 02:50 PM - Re: B&C Alternator (Yak Pilot)
    23. 02:54 PM - Re: Re: B&C Alternator (Yak Pilot)
    24. 03:21 PM - Re: Re: White Paper on Russian Generator System (Yak Pilot)
    25. 03:24 PM - Re: Re: White Paper on Russian Generator System (Yak Pilot)
    26. 05:18 PM - Re: B&C Alternator (Roger Kemp)
    27. 05:27 PM - Re: Re: White Paper on Russian Generator System (Roger Kemp)
    28. 06:23 PM - Re: B&C Alternator (tjyak50)
    29. 07:39 PM - Re: Re: White Paper on Russian Generator System (Yak Pilot)
    30. 08:45 PM - Re: Re: B&C Alternator (Brian Lloyd)
 
 
 


Message 1


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    Time: 03:19:38 AM PST US
    From: "Ira Saligman" <isaligman@saligman.com>
    Subject: Re: New CJ Canopy Glass
    If they are a good vendor, maybe we can negotiate a quantity discount for CJ and Yaks by securing a certain size order. The big up front cost in this is making the mold. The guys in Arizona have some pretty good bubble canopies. Ira Saligman o 610 940 0420 c 610 324 5500 f 215 243 7699 <mailto:isaligman@Saligman.com> isaligman@Saligman.com ------------------------------------------------------------------------- --- ------------------------------------------------------------------------- --- ---------------------------- "NOTICE OF CONFIDENTIALITY" This e-mail message and its attachments (if any) are intended solely for the use of the addressee hereof. In addition, this message and the attachments (if any) may contain information that is confidential, privileged and exempt from disclosure under applicable law. Unless you are the addressee (or authorized to receive for the addressee), you are prohibited from reading, disclosing, reproducing, distributing, disseminating or otherwise using this transmission. Delivery of this message to any person other than the intended recipient is not intended to waive any right or privilege. If you have received this message in error, please promptly notify the sender by reply e-mail and immediately delete this message from your system. Thank you.


    Message 2


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    Time: 04:31:29 AM PST US
    Subject: Re: White Paper on Russian Generator System
    From: "Rob Rowe" <yak-list@robrowe.plus.com>
    Hi TJ, Remote diagnostics are notoriously difficult ... but I'm wondering if something other than your DMR-200D is in play here, as the replacement made no difference (or made matters seemingly worse). When you said "the battery would dead short at shut down" I presume this took the 50 Amp fuse out in short order ... if so I'll speculate that it may have been the generator turning into a 3KW motor (c.100A) that could cause this action (the onset of this is what normally trips the differential relay off). Can you recall if the red "generator offline" warning light; - was operating normally i.e turned off & stayed off above c.36%? - illuminated again when you reduced the throttle below c.34%, or did it just stay off? Did you happen to try turning the generator switch "off" on the front panel to try and force it offline? If so what, if anything, happened? Cheers, Rob Rowe G-YAKX Read this topic online here: http://forums.matronics.com/viewtopic.php?p=153971#153971


    Message 3


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    Time: 06:02:18 AM PST US
    From: "Roger Kemp" <viperdoc@mindspring.com>
    Subject: B&C Alternator
    Got any 5x8 glossies of that spline coupling? Where did you get the spline coupling from? Take it off the generator? Where did you get the base plate to mount the alternator to? And the last question, you got any wiring diagrams for the system after you have hooked up the existing (+), (-), and exciter wire from the old generator to what was the carbon pile regulator and power panel now to the new solid state regulator? Granted I am not a avionics or electricity genius. Imbecile is more like it. But, my last encounter with the YAK electrical system did not leave me with the "it's simple" feeling 3 weeks later. Please enlighten me on the process of this conversion. I'm all for saving a few bucks with the cost of fuel going up along with taxes for everything including the air we breath! Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Brian Lloyd Sent: Sunday, December 23, 2007 11:56 PM Subject: Re: Yak-List: B&C Alternator On Dec 23, 2007, at 8:38 PM, Tom Johnson wrote: > Interested to hear from those who have installed the B&C or Jasco > alternator in a Yak. B&C works extremely well and is very expensive. Most of the other conversion I have seen are GM truck alternators. They work really well and are dirt cheap once you weld the spline coupling onto the alternator shaft. -- Brian Lloyd 3191 Western Drive brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682 +1.916.367.2131 (voice) +1.270.912.0788 (fax) I fly because it releases my mind from the tyranny of petty things . . . Antoine de Saint-Exupry PGP key ID: 12095C52A32A1B6C PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C


    Message 4


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    Time: 06:05:32 AM PST US
    From: "david stroud" <dstroud@storm.ca>
    Subject: Re: B&C Alternator
    I looked high and low for an auto alt that would easily be set up to mount on the Huosai engine's alt pad but never found one and finally muckled onto a nice Jasco unit on ebay. Brian... which GM truck alt has a cooperative mounting method? Thanks. David Stroud Ottawa, Canada C-FDWS Christavia Fairchild 51 under construction ----- Original Message ----- From: "Brian Lloyd" <brian-1927@lloyd.com> Sent: Monday, December 24, 2007 12:55 AM Subject: Re: Yak-List: B&C Alternator > > > On Dec 23, 2007, at 8:38 PM, Tom Johnson wrote: > > > Interested to hear from those who have installed the B&C or Jasco > > alternator in a Yak. > > B&C works extremely well and is very expensive. Most of the other > conversion I have seen are GM truck alternators. They work really > well and are dirt cheap once you weld the spline coupling onto the > alternator shaft. > > -- > Brian Lloyd 3191 Western Drive > brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682 > +1.916.367.2131 (voice) +1.270.912.0788 (fax) > > I fly because it releases my mind from the tyranny of petty things . . . > Antoine de Saint-Exupry > > PGP key ID: 12095C52A32A1B6C > PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C > > > -- > >


    Message 5


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    Time: 06:19:21 AM PST US
    From: DaBear <dabear@damned.org>
    Subject: Re: B&C Alternator
    I have the B&C in my CJ (M14P). It is excellent but expensive. But it mates to the engine just fine. DaBear Tom Johnson wrote: > Interested to hear from those who have installed the B&C or Jasco > alternator in a Yak. > > Do any of our regular Yak suppliers have special pricing or is it all > direct?


    Message 6


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    Time: 06:36:21 AM PST US
    From: Jill Gernetzke <jill@m-14p.com>
    Subject: Merry Christmas!
    Group, We would like to wish everyone a Merry Christmas and a Happy New Year! Wishing you all many trouble free, fun hours in your birds in 2008! M-14P, Incorporated 4905 Flightline Drive Kingman, AZ 86401 -7417 (928)-681-4400 Fax(928)681-4404 www.m-14p.com


    Message 7


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    Time: 06:52:04 AM PST US
    From: Herb Coussons <drc@wscare.com>
    Subject: Re: B&C Alternator
    I also have a B&C - i just had a small problem with the wiring and contacted the company as the unit came on the plane and I had no paperwork/diagrams/manuals. They just sent out a nice packet of info - the unit seems to work great. if anyone wants the diagrams or photos - email mail me. Herb On Dec 24, 2007, at 8:18 AM, DaBear wrote: > > I have the B&C in my CJ (M14P). It is excellent but expensive. But > it mates to the engine just fine. > > DaBear > > Tom Johnson wrote: >> Interested to hear from those who have installed the B&C or Jasco >> alternator in a Yak. >> Do any of our regular Yak suppliers have special pricing or is it >> all direct? > >


    Message 8


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    Time: 07:52:22 AM PST US
    Subject: Re: White Paper on Russian Generator System
    From: "tjyak50" <tomjohnson@cox.net>
    Brian: I am going to order an Alternator (about $1000 bucks), but I fly my airplane 5 times a week and can't get the parts here until after the holiday. Rob: My "Gen Out" light has been notoriously unreliable for the last year. It does not come on at any time, except maybe once in a while. I discovered if I "TAP" on relay TKE52PODR which is connected to terminal "C" of the combined device the light comes on, but then won't work correctly for long. Funky relay I think. That replacement "200" would never kick the gen offline and flat short the battery, but I switched off the GEN switch instantly and nothing else popped. That "200" is out of the airplane. My gen comes on normally at 36%, but does not turn off below 34%. It is more like 20%. The GEN OUT light may or may not come on. Tj Read this topic online here: http://forums.matronics.com/viewtopic.php?p=154006#154006


    Message 9


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    Time: 08:03:45 AM PST US
    Subject: Re: B&C Alternator
    From: "tjyak50" <tomjohnson@cox.net>
    I have met the owner of B&C a few times and he is a good guy. Clearly a "Sparky" if there ever was one. I considered going with an auto or marine alternator but I also like the fact that B&C is supporting our aircraft with a specific solution. The weather is perfect for flying for us now and I don't want to be down for long with my head stuck up in the hell hole of a Yak. Who sells the JASCO system for the Yak, is it just the Coy's? Tj Read this topic online here: http://forums.matronics.com/viewtopic.php?p=154011#154011


    Message 10


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    Time: 08:47:11 AM PST US
    From: "Jan Mevis" <jan.mevis@informavia.be>
    Subject: Re: White Paper on Russian Generator System
    I also installed the B&C alternator and voltage regulation circuitry in my Yak 50, because I had problems with the voltage regulator. Unless you're very good at this kind of old-type electronics (e.g. Mark Bitterlich, the editor of the White Paper), you're better served with a modern device. An added advantage is the gain in weight. Jan Mevis YK50 RA2005K


    Message 11


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    Time: 09:43:27 AM PST US
    From: Cliff Coy <cliff@gesoco.com>
    Subject: Re: B&C Alternator
    Tom, We have the adapter in stock and can have an alternator drop shipped to you. Cheers, Cliff tjyak50 wrote: > > I have met the owner of B&C a few times and he is a good guy. Clearly a "Sparky" if there ever was one. > > I considered going with an auto or marine alternator but I also like the fact that B&C is supporting our aircraft with a specific solution. > > The weather is perfect for flying for us now and I don't want to be down for long with my head stuck up in the hell hole of a Yak. > > Who sells the JASCO system for the Yak, is it just the Coy's? > > Tj > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=154011#154011 > > > -- Clifford Coy Director of Maintenance Border Air Ltd 629 Airport Rd. Swanton, VT 05488 802-868-2822 TEL 802-868-4465 FAX Skype: callto:Cliff.Coy <callto:cliff.coy>


    Message 12


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    Time: 10:23:04 AM PST US
    From: Brian Lloyd <brian-1927@lloyd.com>
    Subject: Re: B&C Alternator
    On Dec 24, 2007, at 6:00 AM, Roger Kemp wrote: > <viperdoc@mindspring.com> > > Got any 5x8 glossies of that spline coupling? Where did you get the > spline > coupling from? Take it off the generator? Where did you get the > base plate > to mount the alternator to? I have seen several alternators mounted to both the M14 and the Huosai engines. While I did not do the work myself all seemed straight forward mechanical jobs. The big difference is that one needs to fabricate a base plate with the seal for the Huosai engine. I believe that the spline was removed from the generator and welded to the alternator input shaft. Most base plates seems to be relatively simple machined aluminum blocks. No two have been alike to my eyes (B&C excepted, of course) but they didn't seem to be either complex or need a CNC mill to make. > And the last question, you got any wiring > diagrams for the system after you have hooked up the existing (+), > (-), and > exciter wire from the old generator to what was the carbon pile > regulator > and power panel now to the new solid state regulator? That part is easy. The 'B' lead from the alternator goes to the main bus tie with an appropriate current limiting device; i.e. breaker, fuse, or fusible link; as near as possible to the bus tie. You get rid of all that stuff associated with the generator as it is not needed. You dispose of the filter and the regulator along with the generators. That gets you almost another 3-4 Kg of mass out of your airplane (in addition to the generator itself). Some (most) alternators are internally regulated. They do not need an external regulator and so need only two wires: the 'B' lead which carries the power from the alternator to the bus and an excitation lead that provides a small amount of battery power to "turn on" the alternator initially. Some alternators use this second wire to allow you to turn the alternator on or off. (This latter feature is desirable as it allows you to force the alternator off should the regulator fail and the alternator "run away".) If you use an externally-regulated alternator you will need a new alternator-controller/regulator you can use a standard aircraft or automotive device. B&C makes one for their alternator. It is very nice but also very pricey. > Granted I am not a avionics or electricity genius. Imbecile is more > like it. > But, my last encounter with the YAK electrical system did not leave > me with > the "it's simple" feeling 3 weeks later. There is nothing simple about the generator system in the aircraft (Yak or CJ) and to my way of thinking it is one of the first things I would replace. It adds a lot of weight an complexity. It also uses lots of electromechanical switches (relays) which are much more prone to misadjustment and failure. So keep the generator until it fails and then put in an alternator so you don't have to mess with it again. > Please enlighten me on the process of this conversion. I'm all for > saving a > few bucks with the cost of fuel going up along with taxes for > everything > including the air we breath! Well, the B&C is NOT the way to save a few bux. OTOH, once you spend the money you can be satisfied that it will work trouble-free longer than anything else in the airplane will. It will also get rid of something like 13Kg of mass. The GM truck alternator is dirt cheap but you have to fabricate the mounting plate and weld on the spline coupling. Not hard to do but not an instant bolt-on replacement either. So, how much is your time worth to you? Would you rather be trouble shooting the generator or flying? Are you paying someone to fix it for you? If so, the B&C may be cheap. Are you doing it yourself and you really like working on your airplane? Fix the generator then. I like playing with steam engines for fun and doing celestial navigation. The arcanity appeals to me. I think generators are cool the way they work. But I wouldn't want one in my airplane. Hmm, are you telling me that you want a cheap alternator conversion kit for M14 and Huosai? What price do you think would be reasonable? -- Brian Lloyd 3191 Western Drive brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682 +1.916.367.2131 (voice) +1.270.912.0788 (fax) I fly because it releases my mind from the tyranny of petty things . . . Antoine de Saint-Exupry PGP key ID: 12095C52A32A1B6C PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C


    Message 13


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    Time: 10:33:17 AM PST US
    From: Brian Lloyd <brian-1927@lloyd.com>
    Subject: Re: B&C Alternator
    On Dec 24, 2007, at 9:42 AM, Cliff Coy wrote: > > Tom, > We have the adapter in stock and can have an alternator drop > shipped to you. This strikes me as the most cost-effective way to go. My only comment is that you need some way to force the alternator off- line should its regulator fail and the alternator "run away". In that case the bus voltage will go way too high and the battery will fail, sometimes in a very spectacular but frightening fashion. Immediately thereafter all your avionics will go with it. Some internally regulated alternators have a diode trio that makes them "self-exciting". That means that once they come on, you can't turn them off until the alternator stops turning. Not good if the internal regulator goes TU and turns the field on all the way. Now you have a runaway alternator you can't turn off. Better to remove the diode trio and provide the excitation for the alternator's internal regulator and field through an external wire and switch. You can turn that switch off and turn off the alternator even if the regulator fails. This mod is pretty simple. OTOH, Cliff may be providing an alternator already configured for external control which makes the point moot. BTW, many alternators have a lead that supposedly turns the alternator on or off. This is actually just a control signal to the regulator. The regulator is still powered by the diode trio inside the alternator. In this type of alternator/regulator if the internal regulator fails with the field turned on, the on/off lead no longer works and you can't turn off your alternator. You need to make sure that the field current and regulator excitation is suppled through a separate, external circuit that is under the pilot's control. -- Brian Lloyd 3191 Western Drive brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682 +1.916.367.2131 (voice) +1.270.912.0788 (fax) I fly because it releases my mind from the tyranny of petty things . . . Antoine de Saint-Exupry PGP key ID: 12095C52A32A1B6C PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C


    Message 14


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    Time: 12:22:41 PM PST US
    From: "Roger Kemp" <viperdoc@mindspring.com>
    Subject: B&C Alternator
    Herb (the other Doc), Yes, please email them to me. What did you do to regulate the output to the system? Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Herb Coussons Sent: Monday, December 24, 2007 8:51 AM Subject: Re: Yak-List: B&C Alternator I also have a B&C - i just had a small problem with the wiring and contacted the company as the unit came on the plane and I had no paperwork/diagrams/manuals. They just sent out a nice packet of info - the unit seems to work great. if anyone wants the diagrams or photos - email mail me. Herb On Dec 24, 2007, at 8:18 AM, DaBear wrote: > > I have the B&C in my CJ (M14P). It is excellent but expensive. But > it mates to the engine just fine. > > DaBear > > Tom Johnson wrote: >> Interested to hear from those who have installed the B&C or Jasco >> alternator in a Yak. >> Do any of our regular Yak suppliers have special pricing or is it >> all direct? > >


    Message 15


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    Time: 12:25:17 PM PST US
    From: "Roger Kemp" <viperdoc@mindspring.com>
    Subject: Re: White Paper on Russian Generator System
    Ok, I'm definitely an imbecile on this and definitely not a sparky...are talking a direct hookup via the solid state regulator? Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Jan Mevis Sent: Monday, December 24, 2007 10:46 AM Subject: RE: Yak-List: Re: White Paper on Russian Generator System I also installed the B&C alternator and voltage regulation circuitry in my Yak 50, because I had problems with the voltage regulator. Unless you're very good at this kind of old-type electronics (e.g. Mark Bitterlich, the editor of the White Paper), you're better served with a modern device. An added advantage is the gain in weight. Jan Mevis YK50 RA2005K


    Message 16


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    Time: 12:34:45 PM PST US
    From: "Roger Kemp" <viperdoc@mindspring.com>
    Subject: B&C Alternator
    Hey Brian, Thanks. Seems $500 to 800 would be fair if we are talking about a GM conversion. Doc By the way see your Christmas and call your Happy New Year! Merry Christmas and Happy New Year on this fine Xmas eve to all on the list! Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Brian Lloyd Sent: Monday, December 24, 2007 12:22 PM Subject: Re: Yak-List: B&C Alternator On Dec 24, 2007, at 6:00 AM, Roger Kemp wrote: > <viperdoc@mindspring.com> > > Got any 5x8 glossies of that spline coupling? Where did you get the > spline > coupling from? Take it off the generator? Where did you get the > base plate > to mount the alternator to? I have seen several alternators mounted to both the M14 and the Huosai engines. While I did not do the work myself all seemed straight forward mechanical jobs. The big difference is that one needs to fabricate a base plate with the seal for the Huosai engine. I believe that the spline was removed from the generator and welded to the alternator input shaft. Most base plates seems to be relatively simple machined aluminum blocks. No two have been alike to my eyes (B&C excepted, of course) but they didn't seem to be either complex or need a CNC mill to make. > And the last question, you got any wiring > diagrams for the system after you have hooked up the existing (+), > (-), and > exciter wire from the old generator to what was the carbon pile > regulator > and power panel now to the new solid state regulator? That part is easy. The 'B' lead from the alternator goes to the main bus tie with an appropriate current limiting device; i.e. breaker, fuse, or fusible link; as near as possible to the bus tie. You get rid of all that stuff associated with the generator as it is not needed. You dispose of the filter and the regulator along with the generators. That gets you almost another 3-4 Kg of mass out of your airplane (in addition to the generator itself). Some (most) alternators are internally regulated. They do not need an external regulator and so need only two wires: the 'B' lead which carries the power from the alternator to the bus and an excitation lead that provides a small amount of battery power to "turn on" the alternator initially. Some alternators use this second wire to allow you to turn the alternator on or off. (This latter feature is desirable as it allows you to force the alternator off should the regulator fail and the alternator "run away".) If you use an externally-regulated alternator you will need a new alternator-controller/regulator you can use a standard aircraft or automotive device. B&C makes one for their alternator. It is very nice but also very pricey. > Granted I am not a avionics or electricity genius. Imbecile is more > like it. > But, my last encounter with the YAK electrical system did not leave > me with > the "it's simple" feeling 3 weeks later. There is nothing simple about the generator system in the aircraft (Yak or CJ) and to my way of thinking it is one of the first things I would replace. It adds a lot of weight an complexity. It also uses lots of electromechanical switches (relays) which are much more prone to misadjustment and failure. So keep the generator until it fails and then put in an alternator so you don't have to mess with it again. > Please enlighten me on the process of this conversion. I'm all for > saving a > few bucks with the cost of fuel going up along with taxes for > everything > including the air we breath! Well, the B&C is NOT the way to save a few bux. OTOH, once you spend the money you can be satisfied that it will work trouble-free longer than anything else in the airplane will. It will also get rid of something like 13Kg of mass. The GM truck alternator is dirt cheap but you have to fabricate the mounting plate and weld on the spline coupling. Not hard to do but not an instant bolt-on replacement either. So, how much is your time worth to you? Would you rather be trouble shooting the generator or flying? Are you paying someone to fix it for you? If so, the B&C may be cheap. Are you doing it yourself and you really like working on your airplane? Fix the generator then. I like playing with steam engines for fun and doing celestial navigation. The arcanity appeals to me. I think generators are cool the way they work. But I wouldn't want one in my airplane. Hmm, are you telling me that you want a cheap alternator conversion kit for M14 and Huosai? What price do you think would be reasonable? -- Brian Lloyd 3191 Western Drive brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682 +1.916.367.2131 (voice) +1.270.912.0788 (fax) I fly because it releases my mind from the tyranny of petty things . . . Antoine de Saint-Exupry PGP key ID: 12095C52A32A1B6C PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C


    Message 17


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    Time: 01:24:04 PM PST US
    From: Brian Lloyd <brian-1927@lloyd.com>
    Subject: Re: White Paper on Russian Generator System
    On Dec 24, 2007, at 12:24 PM, Roger Kemp wrote: > <viperdoc@mindspring.com> > > Ok, I'm definitely an imbecile on this and definitely not a > sparky...are > talking a direct hookup via the solid state regulator? With the B&C you end up with the following connections: 1. Alternator 'B' lead (the fat wire) goes back to your main power distribution bus; 2. three leads from your bus to the regulator, one switched (alternator field power), one to sense the voltage, and one for the low-voltage light; 3. a lead from the regulator to the alternator (field current); 4. ground. If you have an internally regulated alternator it can be as simple as just a B-lead connection. OTOH, that gets a little dangerous if the alternator runs away as it will fry everything in the electrical system unless you can disconnect the alternator somehow. -- Brian Lloyd 3191 Western Drive brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682 +1.916.367.2131 (voice) +1.270.912.0788 (fax) I fly because it releases my mind from the tyranny of petty things . . . Antoine de Saint-Exupry PGP key ID: 12095C52A32A1B6C PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C


    Message 18


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    Time: 01:31:51 PM PST US
    From: Brian Lloyd <brian-1927@lloyd.com>
    Subject: Re: B&C Alternator
    On Dec 24, 2007, at 12:33 PM, Roger Kemp wrote: > <viperdoc@mindspring.com> > > Hey Brian, > Thanks. Seems $500 to 800 would be fair if we are talking about a GM > conversion. Thanks for the info. Let me think about it. -- Brian Lloyd 3191 Western Drive brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682 +1.916.367.2131 (voice) +1.270.912.0788 (fax) I fly because it releases my mind from the tyranny of petty things . . . Antoine de Saint-Exupry PGP key ID: 12095C52A32A1B6C PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C


    Message 19


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    Time: 01:32:08 PM PST US
    From: Brian Lloyd <brian-1927@lloyd.com>
    Subject: Re: B&C Alternator
    On Dec 24, 2007, at 12:19 PM, Roger Kemp wrote: > <viperdoc@mindspring.com> > > Herb (the other Doc), > Yes, please email them to me. What did you do to regulate the > output to the > system? If you are interested in the B&C alternator system, see this page. It is the wiring diagram for the B&C alternator. Very simple. http://www.bandc.biz/Lr3C_dgm.pdf -- Brian Lloyd 3191 Western Drive brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682 +1.916.367.2131 (voice) +1.270.912.0788 (fax) I fly because it releases my mind from the tyranny of petty things . . . Antoine de Saint-Exupry PGP key ID: 12095C52A32A1B6C PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C


    Message 20


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    Time: 02:23:08 PM PST US
    From: "Don Milbourn" <valleyauto@clearwire.net>
    Subject: Re: B&C Alternator
    ----- Original Message ----- From: "DaBear" <dabear@damned.org> was easer to install than try to find out which part was bad and take a guess and pay 400.00 just for one part that might be the problem ,or pay 8 or 9 hundred and have a great system.A no brainer Thanks Don. Sent: Monday, December 24, 2007 7:18 AM Subject: Re: Yak-List: B&C Alternator > > I have the B&C in my CJ (M14P). It is excellent but expensive. But it > mates to the engine just fine. > > DaBear > > Tom Johnson wrote: >> Interested to hear from those who have installed the B&C or Jasco >> alternator in a Yak. >> Do any of our regular Yak suppliers have special pricing or is it all >> direct? > > >


    Message 21


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    Time: 02:35:18 PM PST US
    From: "Don Milbourn" <valleyauto@clearwire.net>
    Subject: Re: B&C Alternator
    I have the Jasco in my Yak 52 it works great It was easer to install than try to find out witch part was bad and take a guess and pay 400.00 just for one part that might be the problem or pay 8 or 9 hundred and have a great system. a no brainier. Thanks Don ----- Original Message ----- From: Tom Johnson To: Yak-List@Matronics. Com Sent: Sunday, December 23, 2007 9:38 PM Subject: Yak-List: B&C Alternator Interested to hear from those who have installed the B&C or Jasco alternator in a Yak. Do any of our regular Yak suppliers have special pricing or is it all direct? Tj --------------------------- Thomas Johnson, Airpower Insurance, LLC 36 West Ocotillo Road, Phoenix, AZ 85013-1235 Tel: 602-628-2701 or Toll Free: 866-475-9199 E: tomjohnson@cox.net or Fax: 623-321-5843 Free Quote: www.airpowerinsurance.com * Privacy Information ** NO insurance can be started or changed by email until confirmed in writing.


    Message 22


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    Time: 02:50:00 PM PST US
    From: Yak Pilot <yakplt@yahoo.com>
    Subject: Re: B&C Alternator
    There is more than one B&C Alternator. The one that comes with the western ized YAKS's is a true alternator with an excitation field winding. It come s with an external regulator that includes over-voltage protection. It is a terrific unit but has a rather high price tag at around $700 or so. Then there is the very small PMG device that B&C sells that outputs about 10 am ps at 28 volts DC maximum. This unit has no field winding, but instead is a perm. magnet generator. This unit has an external voltage regulator. It also has an OPTIONAL over-voltage crowbar circuit that I would highly sugg est using as well. The latter unit is very light weight which is why you f ind it on most aerobatic platforms using the M-14. =0A =0AThe stock Russia n electrical system is better than a lot of people thing. It just is a rea l SOB to learn and understand. You can buy a new Russian generator for abo ut $100 brand new if you know where to look. The only parts that are hard to find are the relays, especially the "Combined Device" master control rel ay. However, this unit can be repaired, or even made a-new if you have a l ittle talent and some time. You smpke a Russian part and it is a few hundr ed maximum. You smoke a B&C Alternator and it's a quick $700 ..... pay me now, see you later. =0A =0AThere are simply pro and con's no matter which way you go. I've worked on both systems... and have kept the Russian one b y choice. =0A =0AMark Bitterlich=0A=0A=0A =0A----- Original Message ----=0A From: Brian Lloyd <brian-1927@lloyd.com>=0ATo: yak-list@matronics.com=0ASen t: Monday, December 24, 2007 4:30:33 PM=0ASubject: Re: Yak-List: B&C Altern >=0A=0A=0AOn Dec 24, 2007, at 12:19 PM, Roger Kemp wrote:=0A=0A> --> Yak-Li st message posted by: "Roger Kemp" =0A> <viperdoc@mindspring.com>=0A>=0A> Herb (the other Doc),=0A> Yes, please email them to me. What did you do to regulate the =0A> output to the=0A> system?=0A=0AIf you are interested in the B&C alternator system, see this page. It =0Ais the wiring diagram for the B&C alternator. Very simple.=0A=0Ahttp://www.bandc.biz/Lr3C_dgm.pdf=0A =0A=0A--=0ABrian Lloyd 3191 Western Drive=0Abrian HY PHEN 1927 AT lloyd DOT com Cameron Park, CA 95682=0A+1.916.367.2131 (voi ce) +1.270.912.0788 (fax)=0A=0AI fly because it releases my mind from the tyranny of petty things . . .=0A=97 Antoine de Saint-Exup=E9ry=0A =0APGP key ID: 12095C52A32A1B6C=0APGP key fingerprint: 3B1D BA11 4 =


    Message 23


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    Time: 02:54:05 PM PST US
    From: Yak Pilot <yakplt@yahoo.com>
    Subject: Re: B&C Alternator
    The larger style B&C with outboard regulator includes built in over-voltage protection. The wiring in the aircraft now can be also used to provide th e on-off capability needed. Switching to a B&C is easy. Finding exactly t he right wires to hook everything in to may not be. Depends on your talent level. =0A=0AMark Bitterlich=0A=0A=0A=0A----- Original Message ----=0AFrom : Brian Lloyd <brian-1927@lloyd.com>=0ATo: yak-list@matronics.com=0ASent: M onday, December 24, 2007 1:32:38 PM=0ASubject: Re: Yak-List: Re: B&C Altern >=0A=0A=0AOn Dec 24, 2007, at 9:42 AM, Cliff Coy wrote:=0A=0A> --> Yak-List message posted by: Cliff Coy <cliff@gesoco.com>=0A>=0A> Tom,=0A> We have t he adapter in stock and can have an alternator drop =0A> shipped to you. =0A=0AThis strikes me as the most cost-effective way to go.=0A=0AMy only co mment is that you need some way to force the alternator off- =0Aline should its regulator fail and the alternator "run away". In that =0Acase the bus voltage will go way too high and the battery will fail, =0Asometimes in a very spectacular but frightening fashion. Immediately =0Athereafter all y our avionics will go with it.=0A=0ASome internally regulated alternators ha ve a diode trio that makes =0Athem "self-exciting". That means that once t hey come on, you can't =0Aturn them off until the alternator stops turning . Not good if the =0Ainternal regulator goes TU and turns the field on all the way. Now =0Ayou have a runaway alternator you can't turn off. Better to remove =0Athe diode trio and provide the excitation for the alternator' s =0Ainternal regulator and field through an external wire and switch. You =0Acan turn that switch off and turn off the alternator even if the =0Ar egulator fails. This mod is pretty simple.=0A=0AOTOH, Cliff may be providin g an alternator already configured for =0Aexternal control which makes the point moot.=0A=0ABTW, many alternators have a lead that supposedly turns t he =0Aalternator on or off. This is actually just a control signal to the =0Aregulator. The regulator is still powered by the diode trio inside =0A the alternator. In this type of alternator/regulator if the internal =0Are gulator fails with the field turned on, the on/off lead no longer =0Aworks and you can't turn off your alternator. You need to make sure =0Athat the field current and regulator excitation is suppled through a =0Aseparate, external circuit that is under the pilot's control.=0A=0A--=0ABrian Lloyd 3191 Western Drive=0Abrian HYPHEN 1927 AT lloyd DOT c om Cameron Park, CA 95682=0A+1.916.367.2131 (voice) +1.270.91 2.0788 (fax)=0A=0AI fly because it releases my mind from the tyranny of pet ty things . . .=0A=97 Antoine de Saint-Exup=E9ry=0A=0APGP key ID: 12095C52A32A1B6C=0APGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 ==================


    Message 24


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    Time: 03:21:57 PM PST US
    From: Yak Pilot <yakplt@yahoo.com>
    Subject: Re: White Paper on Russian Generator System
    I (respectfully) disagree with Brian on this one. Maybe there are quick an d dirty replacements available, but none of them that I have looked at are what I would call "cheap". In truth, the cheapest system to maintain is th e Russian one. All the people that have switched to B&C and so forth means there is usually a plethora of spare parts available. Want a brand new ne ver used Russian Generator? I can get you one right now for $100. Try rep lacing ANY alternator today for that price. So what if it quits after 600 hours?=0A =0AThe rub is the complexity..... which is not all that bad once you figure it out. =0A =0AFor example, had Tom asked me, or had I read his message sooner, I could have and would have told him that the carbon pile regulator has nothing to do with this. If you are still around Tom, failur e of the generator to cut out at low RPM should be noticed by a very large increase in reverse battery current on the meter in your 50. If it is doin g what you THINK it is doing, look at the ammeter in the cockpit and slowl y bring the engine to idle. The normal ammeter reading should be a few amp s. As you bring it to idle the ammeter should go past zero in the OPPOSITE direction as you get near idle... and then the generator light should come on. DO NOT CONFUSE THE GENERATOR LIGHT NOT COMING ON WITH THE GENERATOR N OT DISCONNECTING!!!! If the generator does not actually disconnect, which I sincerely doubt is happening to you because otherwise there would have be en lots of smoke by now..... then as idle is reached the ammeter will be pe gged negative! Is this happening? If not, then it is a LIGHT problem not a GENERATOR DISCON NECT problem. Apples and Oranges. =0A =0AProof can also be had by turning on your master with the engine NOT RUNNING. Turn on your generator switch on very quickly while watching the ammeter. If it pegs negative than you have a generator disconnect problem. If it (the ammeter) does not move, th en you have a LIGHT problem, and not a DISCONNECT problem. =0A =0ADisconn ect problems are caused purely by the combined device. This relay can actu ally be ADJUSTED to control drop out. But... my guess is that you simply h ave a bad GENERATOR LIGHT RELAY. Simple problem. Cheap to fix. =0A =0ATo everyone else, let me say this... I agree with Brian Lloyd 99.99999999999 9999999999% of the time with anything and everything he says and respect hi s viewpoints without question. This is that one tiny percent of the time w hen I completely disagree. I believe that ripping the whole electrical sys tem apart to replace it with "An American Version" is without merit unless you are trying to address the weight. To do it just because you don't want to learn how the Russian system works is a choice of course, but my questi on to that is: "didn't we all guess that something like this might eventual ly happen when we PURCHASED a foreign made aircraft, or were we all just na ive?=0A =0AI Do agree with Brian that the reason most people do not switch is because there IS NO "easy bolt on solution". But I can maintain 90% of the Russian system much cheaper than anything you can put on that works nea rly as well. Yes it takes time to learn, but if my White Paper sucks so ba dly that most can not understand it, I'll re-write it. In the meant time, if you have a question... ask me. I know that system pretty darn well by n ow. =0A =0AMark Bitterlich=0A=0A=0A =0A----- Original Message ----=0AFrom: Brian Lloyd <brian-1927@lloyd.com>=0ATo: yak-list@matronics.com=0ASent: Mon day, December 24, 2007 12:53:27 AM=0ASubject: Re: Yak-List: Re: White Paper yd <brian-1927@lloyd.com>=0A=0A=0AOn Dec 23, 2007, at 6:16 PM, tjyak50 wrot >=0A> This topic is officially back alive...=0A>=0A> My generator has not b een tripping off correctly at low RPM =0A> (Reverse Current). I installed a new Carbon Pile Regulator with no =0A> change.=0A=0AWhy keep messing wi th the generator? It is heavy and prone to =0Afailure. Why not just switch to an alternator and be done with the =0Aproblems? The switch is easier o n the M14 as there is already a seal =0Afor the generator shaft coupling. Is it because there is not a dirt- =0Acheap, bolt-on solution?=0A=0A=0A-- =0ABrian Lloyd 3191 Western Drive=0Abrian HYPHEN 192 7 AT lloyd DOT com Cameron Park, CA 95682=0A+1.916.367.2131 (voice) +1.270.912.0788 (fax)=0A=0AI fly because it releases my mind from th e tyranny of petty things . . .=0A=97 Antoine de Saint-Exup=E9ry=0A=0APGP k ey ID: 12095C52A32A1B6C=0APGP key fingerprint: 3B1D BA11 4913 3254 ========================


    Message 25


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    Time: 03:24:10 PM PST US
    From: Yak Pilot <yakplt@yahoo.com>
    Subject: Re: White Paper on Russian Generator System
    For what it is worth: Mark.Bitterlich@navy.mil work... but it is CHRISTMAS and I am taking some time off thank you Jesus. yakplt@yahoo.com Everywhere else. markbitterlich@embarqmail.com personal. 252-671-7005 cell if you are in a REALLY bad way. Merry Christmas, Mark ----- Original Message ---- From: Roger Kemp <viperdoc@mindspring.com> Sent: Sunday, December 23, 2007 10:49:17 PM Subject: RE: Yak-List: Re: White Paper on Russian Generator System Tj, Contact mark.bitterlich@navy.mil. He has worked this problem before. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of tjyak50 Sent: Sunday, December 23, 2007 8:17 PM Subject: Yak-List: Re: White Paper on Russian Generator System This topic is officially back alive... My generator has not been tripping off correctly at low RPM (Reverse Current). I installed a new Carbon Pile Regulator with no change. Installed a spare DMR-200D (S/n: 1361243) "Combined Device" and the problem actually got worse, where the battery would dead short at shut down. (Thanks a lot Bill!) I opened my original Combined Device (S/n: 1861584) and cleaned the points which looked grody. Also started messing with the adjustments. See the Reverse Polarization relay here: http://www.youtube.com/watch?v=Nou8dcJAA7s There are 2 adjustments on the "Teter-Toter". One to adjust the relative position of the contacts, the other I have no idea but it would be convenient if it adjusted the thing that doesn't work. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=153927#153927


    Message 26


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    Time: 05:18:02 PM PST US
    From: "Roger Kemp" <viperdoc@mindspring.com>
    Subject: B&C Alternator
    Thanks Doc Herb. Doc Kemp -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Brian Lloyd Sent: Monday, December 24, 2007 3:31 PM Subject: Re: Yak-List: B&C Alternator On Dec 24, 2007, at 12:19 PM, Roger Kemp wrote: > <viperdoc@mindspring.com> > > Herb (the other Doc), > Yes, please email them to me. What did you do to regulate the > output to the > system? If you are interested in the B&C alternator system, see this page. It is the wiring diagram for the B&C alternator. Very simple. http://www.bandc.biz/Lr3C_dgm.pdf -- Brian Lloyd 3191 Western Drive brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682 +1.916.367.2131 (voice) +1.270.912.0788 (fax) I fly because it releases my mind from the tyranny of petty things . . . Antoine de Saint-Exupry PGP key ID: 12095C52A32A1B6C PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C


    Message 27


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    Time: 05:27:05 PM PST US
    From: "Roger Kemp" <viperdoc@mindspring.com>
    Subject: Re: White Paper on Russian Generator System
    Mark, Old warriors don't take time off. They still take leave or .the just fade away :>)). Merry Christmas and Happy New Year, Doc From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Yak Pilot Sent: Monday, December 24, 2007 5:24 PM Subject: Re: Yak-List: Re: White Paper on Russian Generator System For what it is worth: Mark.Bitterlich@navy.mil work... but it is CHRISTMAS and I am taking some time off thank you Jesus. yakplt@yahoo.com Everywhere else. markbitterlich@embarqmail.com personal. 252-671-7005 cell if you are in a REALLY bad way. Merry Christmas, Mark ----- Original Message ---- From: Roger Kemp <viperdoc@mindspring.com> Sent: Sunday, December 23, 2007 10:49:17 PM Subject: RE: Yak-List: Re: White Paper on Russian Generator System Tj, Contact mark.bitterlich@navy.mil. He has worked this problem before. Doc -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of tjyak50 Sent: Sunday, December 23, 2007 8:17 PM Subject: Yak-List: Re: White Paper on Russian Generator System This topic is officially back alive... My generator has not been tripping off correctly at low RPM (Reverse Current). I installed a new Carbon Pile Regulator with no change. Installed a spare DMR-200D (S/n: 1361243) "Combined Device" and the problem actually got worse, where the battery would dead short at shut down. (Thanks a lot Bill!) I opened my original Combined Device (S/n: 1861584) and cleaned the


    Message 28


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    Time: 06:23:49 PM PST US
    Subject: Re: B&C Alternator
    From: "tjyak50" <tomjohnson@cox.net>
    Stealing partially from Brian Lloyd and Mark Bitterlich... with respect to hooking a B&C model LR3C-28 Voltage Regulator to a Yak. 1) The "B" fat wire from the alternator connects to the bus bar in the DC power box. It connects in the same place where you remove the connection from the bus to the terminal marked "CETb" on the Combined Relay (Aka: 200-Gizmo). 2) Terminal "F" on the alternator is wired to terminal #4 on the new Voltage Regulator. 3) Generator On / Off switch now becomes the Alternator On / Off switch and acts as the Alternator Field. The wire that was connected to terminal marked "B" on the Combined relay can serve this fucntion? and would be connected to terminal #6 on the new regulator. 4) A wire to the Bus from the new Voltage Regulator terminal #3 acts as the Bus Voltage Sense. 5) A beefy ground wire from the New Voltage regulator pin #7 And now a question... 6) The "Low Voltage" pin from the new Voltage Regulator is pin #5. Appears this lamp is triggered by pin #5 going to GROUND as it shows the lamp connected to the bus with a fuse. This is how the system works in my Yak, so this wire could go directly to the existing lamp (barrel) to accomplish this function and still keep the existing "Test" function intact? In my airplane the GEN OUT light center pin is always hot with the battery on and the barrel gets ground from the TEST relay or the GEN OUT relay. Some of this assumes any switches or wires you re-use are known good, so lets at least pretend that for now. Comments please - NO FLAMES... I am just a rookie. If these connections sound reasonable I will try it and take pictures to document forever. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=154119#154119


    Message 29


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    Time: 07:39:33 PM PST US
    From: Yak Pilot <yakplt@yahoo.com>
    Subject: Re: White Paper on Russian Generator System
    I am no longer a "warrior"... just a "used to be" old fart at this point. Freaking Marines don't even want to let me carry a weapon anymore in IRAQ~! =0A=0A(screw that~!)=0A=0AMerry Christmas, =0A=0AMark=0A=0A=0A=0A----- Or iginal Message ----=0AFrom: Roger Kemp <viperdoc@mindspring.com>=0ATo: yak- list@matronics.com=0ASent: Monday, December 24, 2007 8:25:12 PM=0ASubject: RE: Yak-List: Re: White Paper on Russian Generator System=0A=0A=0AMark,=0AO ld warriors don=92t take time off. They still take leave or =85the just fad e away :>)).=0AMerry Christmas and Happy New Year,=0ADoc=0A =0AFrom: owner- yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Yak Pilot=0ASent: Monday, December 24, 2007 5:24 PM=0ATo: yak- list@matronics.com=0ASubject: Re: Yak-List: Re: White Paper on Russian Gene rator System=0A =0AFor what it is worth:=0A =0AMark.Bitterlich@navy.mil w ork... but it is CHRISTMAS and I am taking some time off thank you Jesus. =0A =0Ayakplt@yahoo.com Everywhere else. =0A =0Amarkbitterlich@embarqmai l.com personal. =0A =0A252-671-7005 cell if you are in a REALLY bad way. =0A =0AMerry Christmas, =0A =0AMark=0A=0A=0A =0A----- Original Message -- --=0AFrom: Roger Kemp <viperdoc@mindspring.com>=0ATo: yak-list@matronics.co m=0ASent: Sunday, December 23, 2007 10:49:17 PM=0ASubject: RE: Yak-List: Re : White Paper on Russian Generator System=0A=0A--> Yak-List message posted by: "Roger Kemp" <viperdoc@mindspring.com>=0A=0ATj,=0AContact mark.bitterl ich@navy.mil. He has worked this problem before.=0ADoc=0A=0A-----Original M essage-----=0AFrom: owner-yak-list-server@matronics.com=0A[mailto:owner-yak -list-server@matronics.com] On Behalf Of tjyak50=0ASent: Sunday, December 2 3, 2007 8:17 PM=0ATo: yak-list@matronics.com=0ASubject: Yak-List: Re: White yak50" <tomjohnson@cox.net>=0A=0AThis topic is officially back alive...=0A =0AMy generator has not been tripping off correctly at low RPM (Reverse=0AC urrent). I installed a new Carbon Pile Regulator with no change. =0A=0AIn stalled a spare DMR-200D (S/n: 1361243) "Combined Device" and the problem =0Aactually got worse, where the battery would dead short at shut down.=0A( Thanks a lot Bill!)=0A=0AI opened my original Combined Device (S/n: 1861584 ) and cleaned the =0A =0A =0A =0A=0A=0A=0A=0A=0A=0A=0Ahttp://www.matronic s.com/contribution=0A=0A=0A=0A=0A=0A=0A=0A=0Ahttp://www.matronics.com/Navig -========================


    Message 30


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    Time: 08:45:19 PM PST US
    From: Brian Lloyd <brian-1927@lloyd.com>
    Subject: Re: B&C Alternator
    On Dec 24, 2007, at 6:23 PM, tjyak50 wrote: > > Stealing partially from Brian Lloyd and Mark Bitterlich... with > respect to hooking a B&C model LR3C-28 Voltage Regulator to a Yak. > > 1) The "B" fat wire from the alternator connects to the bus bar in > the DC power box. It connects in the same place where you remove > the connection from the bus to the terminal marked "CETb" on the > Combined Relay (Aka: 200-Gizmo). > > 2) Terminal "F" on the alternator is wired to terminal #4 on the > new Voltage Regulator. > > 3) Generator On / Off switch now becomes the Alternator On / Off > switch and acts as the Alternator Field. The wire that was > connected to terminal marked "B" on the Combined relay can serve > this fucntion? and would be connected to terminal #6 on the new > regulator. > > 4) A wire to the Bus from the new Voltage Regulator terminal #3 > acts as the Bus Voltage Sense. > > 5) A beefy ground wire from the New Voltage regulator pin #7 Sounds right so far. > > And now a question... > 6) The "Low Voltage" pin from the new Voltage Regulator is pin #5. > Appears this lamp is triggered by pin #5 going to GROUND as it > shows the lamp connected to the bus with a fuse. That is correct. > This is how the system works in my Yak, so this wire could go > directly to the existing lamp (barrel) to accomplish this function > and still keep the existing "Test" function intact? > In my airplane the GEN OUT light center pin is always hot with the > battery on and the barrel gets ground from the TEST relay or the > GEN OUT relay. I don't have the schematic for the Yak-50 or Yak-52 but the generator off-line (low voltage) light in CJ6A is always connected to ground and power applied to the bulb by a relay so you could not do that in a CJ6A. Another thing to consider is to make sure that the two existing low-voltage lamps (they are in parallel) doesn't draw too much current for the low voltage switch in the regulator to sink. If the bulbs draw too much current you could burn out the low-voltage indicator circuit in the regulator. > Some of this assumes any switches or wires you re-use are known > good, so lets at least pretend that for now. > > Comments please - NO FLAMES... I am just a rookie. > If these connections sound reasonable I will try it and take > pictures to document forever. This all seems reasonable to me. -- Brian Lloyd 3191 Western Drive brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682 +1.916.367.2131 (voice) +1.270.912.0788 (fax) I fly because it releases my mind from the tyranny of petty things . . . Antoine de Saint-Exupry PGP key ID: 12095C52A32A1B6C PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C




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