AeroElectric-List Digest Archive

Fri 01/12/07


Total Messages Posted: 24



Today's Message Index:
----------------------
 
     1. 01:44 AM - Re: Re: WigWag and landing lights with one switch (Bill Settle)
     2. 05:39 AM - Re: Read if you are "Pro" Bob Nuckolls, even if you are not! (Bill Boyd)
     3. 06:18 AM - Re: Read if you are "Pro" Bob Nuckolls, even if you are not! (John W. Cox)
     4. 06:22 AM - Re: Read if you are "Pro" Bob Nuckolls, even if you are not! (Terry Miles)
     5. 06:50 AM - Re: Read if you are "Pro" Bob Nuckolls, even if you are not! (Bret Smith)
     6. 07:03 AM - Re: Read if you are "Pro" Bob Nuckolls, even if you are not! (Richard Dudley)
     7. 08:05 AM - Re: Read if you are "Pro" Bob Nuckolls (Robert L. Nuckolls, III)
     8. 08:49 AM - Re: So Cal Seminar? (Dave)
     9. 10:34 AM - Re: So Cal Seminar? (Darrel Jones)
    10. 01:34 PM - Audio Shields ()
    11. 01:35 PM - Audio Shields ()
    12. 02:40 PM - icom radio (bob noffs)
    13. 02:54 PM - Re: Audio Shields (Robert L. Nuckolls, III)
    14. 03:04 PM - Re: Audio Shields ()
    15. 03:04 PM - Re: So Cal Seminar? (Robert L. Nuckolls, III)
    16. 03:12 PM - Re: icom radio (LarryMcFarland)
    17. 03:18 PM - Re: icom radio (Bill Maxwell)
    18. 03:39 PM - How close together should I put comm antennas? (Duane Wilson)
    19. 03:57 PM - Re: icom radio (Robert L. Nuckolls, III)
    20. 04:03 PM - Re: Secure connection to a diode? (CORRECTED LINK) (Robert L. Nuckolls, III)
    21. 04:26 PM - Re: icom radio (Neil Clayton)
    22. 07:18 PM - icom radio (bob noffs)
    23. 09:44 PM - Re: Read if you are "Pro" Bob Nuckolls, even if you are not! (Fiveonepw@aol.com)
    24. 10:24 PM - Hypervox sidetone and music input (Dave N6030X)
 
 
 


Message 1


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    Time: 01:44:29 AM PST US
    From: Bill Settle <billsettle@bellsouth.net>
    Subject: Re: WigWag and landing lights with one switch
    Thanks! Bill Settle. > > From: "Bill Boyd" <sportav8r@gmail.com> > Date: 2007/01/11 Thu PM 09:19:46 EST > To: aeroelectric-list@matronics.com > Subject: Re: Re: AeroElectric-List: WigWag and landing lights with one switch > > > I was afraid somebody'd ask me that. It's a ND-type 55 A machine that > goes on a Geo Metro, I think. The paperwork is all in the hangar, but > I will make a point of recording the part # next time the cowl is off. > It's IR, and I'm currently running it with no OVP. > > -Bill > > On 1/11/07, Bill Settle <billsettle@bellsouth.net> wrote: > > > > Bill, > > > > What alternator are you using? > > > > Bill Settle > > Winston-Salem, NC > > RV-8 Wings > > > > > > > > > > From: "Bill Boyd" <sportav8r@gmail.com> > > > Date: 2007/01/11 Thu PM 02:44:13 EST > > > To: aeroelectric-list@matronics.com > > > Subject: Re: AeroElectric-List: WigWag and landing lights with one switch > > > > > > > > > Good thought, Ed, and I encountered the same annoyance with Van's 35 > > > amp alternator and its suspected bad diodes, but with my 55 amp > > > upgrade, not seen even at idle with all lights on- puts out 14.4v at > > > even the lower rpm's. I think I'm golden on that score. > > > > > > -Bill > > > > > > On 1/11/07, Ed Holyoke <bicyclop@pacbell.net> wrote: > > > > > > > > Bill, > > > > > > > > I have experienced one drawback, a minor annoyance really. After > > > > reducing power and landing at night, our alternator (40amp B&C) won't > > > > keep the under voltage light from flashing while taxiing with position, > > > > strobe and landing lights lit. If I do night currency, (3 full stop > > > > trips with taxi back), the low volt light flashes on final - very > > > > distracting. When this occurs, I usually pull the low volt breaker to > > > > shut it up. This is one of the few places where having a pullable > > > > breaker is worthwhile in my opinion. I'm considering replacing the > > > > landing light switch with one that would allow me to choose to light one > > > > side only or both, and see if that makes a difference. > > > > > > > > Pax, > > > > > > > > Ed Holyoke > > > > > > > > -----Original Message----- > > > > From: owner-aeroelectric-list-server@matronics.com > > > > [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Bill > > > > Boyd > > > > Sent: Thursday, January 11, 2007 10:27 AM > > > > To: aeroelectric-list@matronics.com > > > > Subject: AeroElectric-List: WigWag and landing lights with one switch > > > > > > > > <sportav8r@gmail.com> > > > > > > > > Bob: In all my years of flying, I've never really felt the need to > > > > have just one landing (/taxi) light on at a time. (Maybe I'm just > > > > different - my lights are used 100% for daytime see-and-avoid). I'm > > > > wondering if, while it would mean giving up independent light > > > > operation, one could impliment the wig-wag circuit of SSF-1 page 2.0 > > > > with only a single switch, a DPDT ON-OFF-ON of suitable rating. What > > > > do you see as drawbacks? > > > > > > > > -Bill Boyd > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >


    Message 2


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    Time: 05:39:35 AM PST US
    From: "Bill Boyd" <sportav8r@gmail.com>
    Subject: Re: Read if you are "Pro" Bob Nuckolls, even if you
    are not! Bob N. is a helpful and valued friend to all OBAMers. I think humor is great (and I myself tend to over-indulge), but let's use care heaping on a mere man accolades which would make the modest blush. They can be difficult to shoulder. The LORD is my god, and has set Bob up as one of my teachers. Thanks for rising to the occasion, old man ;-) I appreciate your tireless devotion to the endeavor. Bill B. do not archive On 1/12/07, Joemotis@aol.com <Joemotis@aol.com> wrote: > > > Bob Nuckolls is my God, Period > > J.D. Motis > I.B.E.W. for decades > Ex U.S. Army 68F20/ 68F30 > My Dad knew Kelly Johnson personally > I had "unserviceable" Lockheed aircraft toggle switches (3 of them) screwed > to my hi-chair > Come on back, RocketRod > > http://www.matronics.com/Navigator?AeroElectric-List > >


    Message 3


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    Time: 06:18:18 AM PST US
    Subject: Read if you are "Pro" Bob Nuckolls, even if you
    are not!
    From: "John W. Cox" <johnwcox@pacificnw.com>
    I received my copy of Bob's authorship (Revision 11) as a result of sponsoring Matronics last year. With this website, I know it was a wise investment. It made my day.. or at least my morning. John Cox RV-10 Builder #40600 -----Original Message----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of rparigor@SUFFOLK.LIB.NY.US Sent: Thursday, January 11, 2007 10:34 PM Subject: AeroElectric-List: Read if you are "Pro" Bob Nuckolls, even if you are not! Please check out this special website: www.bob.nuckolls.youaremighty.com Sincerely Ron Parigoris


    Message 4


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    Time: 06:22:54 AM PST US
    From: "Terry Miles" <terrence_miles@hotmail.com>
    Subject: Read if you are "Pro" Bob Nuckolls, even if you
    are not! Me too Bob. Your continued advice here and also the "how-to" section on your web site has been a real assist to me. Terry Miles Velocity XL Wiring -----Original Message----- From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Bill Boyd Sent: Friday, January 12, 2007 7:37 AM Subject: Re: AeroElectric-List: Read if you are "Pro" Bob Nuckolls, even if you are not! Bob N. is a helpful and valued friend to all OBAMers. I think humor is great (and I myself tend to over-indulge), but let's use care heaping on a mere man accolades which would make the modest blush. They can be difficult to shoulder. The LORD is my god, and has set Bob up as one of my teachers. Thanks for rising to the occasion, old man ;-) I appreciate your tireless devotion to the endeavor. Bill B. do not archive On 1/12/07, Joemotis@aol.com <Joemotis@aol.com> wrote: > > > Bob Nuckolls is my God, Period > > J.D. Motis > I.B.E.W. for decades > Ex U.S. Army 68F20/ 68F30 > My Dad knew Kelly Johnson personally > I had "unserviceable" Lockheed aircraft toggle switches (3 of them) screwed > to my hi-chair > Come on back, RocketRod > > http://www.matronics.com/Navigator?AeroElectric-List > >


    Message 5


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    Time: 06:50:06 AM PST US
    From: "Bret Smith" <smithhb@tds.net>
    Subject: Re: Read if you are "Pro" Bob Nuckolls, even if you
    are not! OMG!!! Bret Smith RV-9A "Wings" Blue Ridge, GA www.FlightInnovations.com ----- Original Message ----- From: <rparigor@SUFFOLK.LIB.NY.US> Sent: Friday, January 12, 2007 1:34 AM Subject: AeroElectric-List: Read if you are "Pro" Bob Nuckolls, even if you are not! > > Please check out this special website: > > www.bob.nuckolls.youaremighty.com > > Sincerely > Ron Parigoris > > >


    Message 6


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    Time: 07:03:33 AM PST US
    From: Richard Dudley <rhdudley1@bellsouth.net>
    Subject: Re: Read if you are "Pro" Bob Nuckolls, even if you
    are not! Bob certainly has my admiration. His tireless, continuing support of the OBAM community is a phenomenon. His gentlemanly and rational response to the jealous detractors is amazing. I have incorporated many of his recommendations into the design of electrical system. Richard Dudley -6A flying rparigor@SUFFOLK.LIB.NY.US wrote: > >Please check out this special website: > >www.bob.nuckolls.youaremighty.com > >Sincerely >Ron Parigoris > > > >


    Message 7


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    Time: 08:05:27 AM PST US
    From: "Robert L. Nuckolls, III" <nuckollsr@cox.net>
    Subject: Re: Read if you are "Pro" Bob Nuckolls
    At 06:34 AM 1/12/2007 +0000, you wrote: > >Please check out this special website: > >www.bob.nuckolls.youaremighty.com > >Sincerely >Ron Parigoris Gee Ron, that's a lot to live up to. I'll do my best to justify everyone's expectations. On the occasions that I've been a beneficiary of accolades from my contemporaries, I've seen fit to remind them that the very best way to honor any good teacher is to use what they have offered you as the seed stock for becoming a teacher yourself. Just this week, one of our List members jumped in and offered hands-on assistance to a new builder in overcoming a demonstrable lack of understanding. This ladies and gentlemen is a teacher's ultimate high. Unlike material things that wear out, break or become obsolete, knowledge and understanding are among the few commodities that GROW in value the more they are shared and used. To see the seeds of my shared knowledge and understanding take root and begin to grow does more for my sense of accomplishment than any amount of awards or praise. Any student of history will see that we're moving into an information-driven age where individual opportunities for everyone to generate lives filled with personal achievement and wealth are virtually boundless. The smoothest roads to this new horizon are paved with the efforts of good teachers, clear thinkers, motivated students and energetic practitioners of their skills. All roads will have potholes. There will be individuals and even groups of individuals who for whatever reason do not share this bright vision and may even be intent upon destroying it. But the enduring commodities of success are not represented by material things. These are but the byproducts of your real wealth . . . knowledge, understanding and the skills to DO good things with them. Just yesterday on my way back from a fire drill in Dallas I read this rather profound passage in Barry Carter's book, "Infinite Wealth" where he quotes Terry Widrick, an Iroquois indian philosopher: "I am reminded of the teachings I received from one of my elders on speaking in council. He used to state quite frequently that when we come to discuss a particular problem or concern, we are to speak only from our own experience. In that way we are not guessing. What we speak has to be the truth as much as we know it to be. When we speak, we are also to refrain from attacking others. We are only to speak with the understanding we have been given. When we take part in discussion about an issue we should put forward only those of our thoughts and and beliefs that will help lead to a solution. We are to speak recognizing that when we bring our own individual truth to the truth put forward by others we will all arrive at a greater truth and understanding. We are not to speak against another person's beliefs or ideals but only speak for ourselves as we are given insight and wisdom. [I'll interject that teachers have an obligation to illuminate and rectify errors of logic or understanding of simple-ideas. The goal is not to emphasize shortcomings of individuals but to enhance their prospects for success by aiding their understanding.] Nowadays, that is a hard thing to do, especially when we are taught the arts of aversarialism in all branches of education, whether they be educational, political, social or religious." -----*****------ I'm sure that Mr. Widrick would be pleased to know that his offering as teacher have found root in yet another student . . . a student who perceives value in adding these principals to his personal toolbox for smoothing potholes in our paths to a brighter future. If you find value in the things that I can share with you, there is no better use for those ideas than to use them to improve your own life. In so far as you have opportunity, be willing to share with others so that the value of what we do here will continue to benefit others long after we are gone. Thank you for the kind words. Bob . . .


    Message 8


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    Time: 08:49:54 AM PST US
    From: "Dave" <dave@coltnet.net>
    Subject: Re: So Cal Seminar?
    Bob, I forwarded your seminar info to the local EAA chapter in the Boise, Nampa, Caldwell area. Maybe we can get enough response to lure you in!! Thanks Dave Do not archive > Dr. Dee and I have been working on our 2007 seminar > schedule and we note that it's been a long time since > we visited southern California. > > Are there any List members aware of an EAA chapter that > might like to host a program this spring/summer? We're > looking to fill slots in May and July. > > > Bob . . . > > > --------------------------------------------------------- > < What is so wonderful about scientific truth...is that > > < the authority which determines whether there can be > > < debate or not does not reside in some fraternity of > > < scientists; nor is it divine. The authority rests > > < with experiment. > > < --Lawrence M. Krauss > > --------------------------------------------------------- > > >


    Message 9


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    Time: 10:34:43 AM PST US
    From: Darrel Jones <wd6bor@sbcglobal.net>
    Subject: Re: So Cal Seminar?
    Bob, We are all the way up in Northern California, but if you want to visit the wine country, we have three EAA chapters, 124, 167 and 1268, in the Sonoma and Napa areas that would be interested in hosting you. Let us know what your travel plans are and if you might be interested. Darrel Jones Chapter 1268 > >> Dr. Dee and I have been working on our 2007 seminar >> schedule and we note that it's been a long time since >> we visited southern California. >> >> Are there any List members aware of an EAA chapter that >> might like to host a program this spring/summer? We're >> looking to fill slots in May and July. >> >> >> >> Bob . . . >> >> >> --------------------------------------------------------- >> < What is so wonderful about scientific truth...is that > >> < the authority which determines whether there can be > >> < debate or not does not reside in some fraternity of > >> < scientists; nor is it divine. The authority rests > >> < with experiment. > >> < --Lawrence M. Krauss > >> --------------------------------------------------------- >> >> >> >> >> >> >> > >


    Message 10


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    Time: 01:34:08 PM PST US
    From: <dsvs@ca.rr.com>
    Subject: Audio Shields
    Bob and other listers, I have several audio devices that will have to share one input to my audio panel. I understand the wiring and installation of resistors but the shields have my not sure of the best way to do the install. I am using d-sub connectors mid way between the devices and the audio panel to install the resistors so that I can easily remove and change the values if needed to adjust individual volumes. The shield on one device is connected (by the manufacturer at the device end the others say connect at the audio panel. I understand the ground loop problem with connecting at each end. The question is, Is it a good practice to shield the device side terminated at the device but not at the d-sub and the audio panel side terminated at the audio panel but not at the d-sub. This would cover most of the wire except the d-sub in the middle of the run and still not lead to a ground loop. Am I understand the idea correctly? If not I would appreciate a little help with this. Thanks in advance. Don


    Message 11


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    Time: 01:35:54 PM PST US
    From: <dsvs@ca.rr.com>
    Subject: Audio Shields
    Bob and other listers, I have several audio devices that will have to share one input to my audio panel. I understand the wiring and installation of resistors but the shields have my not sure of the best way to do the install. I am using d-sub connectors mid way between the devices and the audio panel to install the resistors so that I can easily remove and change the values if needed to adjust individual volumes. The shield on one device is connected (by the manufacturer at the device end the others say connect at the audio panel. I understand the ground loop problem with connecting at each end. The question is, Is it a good practice to shield the device side terminated at the device but not at the d-sub and the audio panel side terminated at the audio panel but not at the d-sub. This would cover most of the wire except the d-sub in the middle of the run and still not lead to a ground loop. Am I understand the idea correctly? If not I would appreciate a little help with this. Thanks in advance. Don


    Message 12


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    Time: 02:40:42 PM PST US
    From: "bob noffs" <icubob@newnorth.net>
    Subject: icom radio
    hi all, i am getting started on the wiring of my ic-a200 icom radio. i would use an 18 ga wire to the ''power '' pin and an 18 ga wire to the ''ground'' pin of the radio . the enclosed wiring instructions say this.........POWER CABLE WIRING... use 2 pairs of 18 ga wires for power and power grounding. what the heck? the diagram is very simple and if it werent for the printed statement above i would just proceed. anyone wired one of these radios? what do their instructions mean? thanks for any info. bob noffs


    Message 13


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    Time: 02:54:08 PM PST US
    From: "Robert L. Nuckolls, III" <nuckollsr@cox.net>
    Subject: Re: Audio Shields
    At 01:27 PM 1/12/2007 -0800, you wrote: > >Bob and other listers, > >I have several audio devices that will have to share one input to my audio >panel. I understand the wiring and installation of resistors but the >shields have my not sure of the best way to do the install. I am using >d-sub connectors mid way between the devices and the audio panel to >install the resistors so that I can easily remove and change the values if >needed to adjust individual volumes. > >The shield on one device is connected (by the manufacturer at the device >end the others say connect at the audio panel. I understand the ground >loop problem with connecting at each end. The question is, Is it a >good practice to shield the device side terminated at the device but not >at the d-sub and the audio panel side terminated at the audio panel but >not at the d-sub. This would cover most of the wire except the d-sub in >the middle of the run and still not lead to a ground loop. Am I >understand the idea correctly? If not I would appreciate a little help >with this. Thanks in advance. Don With all your goodies co-located on the panel, it probably doesn't matter if you ground at one end or both . . . and given the relatively short leads, all the wiring could probably be done with no shielding whatsoever! The latest addition to the AeroElectric Connection is a chapter on audio systems which you're free to download at: http://aeroelectric.com/articles/Rev11/18Audio_R11.pdf It speaks to the simple "resistor mixing" technique you've cited . . . and also illustrates various combinations of intercoms, audio isolation amplifiers and audio sources. I think you'll find enough information in this document to proceed with your installation. Bob . . . --------------------------------------------------------- < What is so wonderful about scientific truth...is that > < the authority which determines whether there can be > < debate or not does not reside in some fraternity of > < scientists; nor is it divine. The authority rests > < with experiment. > < --Lawrence M. Krauss > ---------------------------------------------------------


    Message 14


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    Time: 03:04:27 PM PST US
    From: <dsvs@ca.rr.com>
    Subject: Re: Audio Shields
    Bob, Thanks for the reply. I read the new chapter last night. The only thing that I was not sure about was the shields. I will give it a shot with no shields attached. Don ---- "Robert L. Nuckolls wrote: > > At 01:27 PM 1/12/2007 -0800, you wrote: > > > > >Bob and other listers, > > > >I have several audio devices that will have to share one input to my audio > >panel. I understand the wiring and installation of resistors but the > >shields have my not sure of the best way to do the install. I am using > >d-sub connectors mid way between the devices and the audio panel to > >install the resistors so that I can easily remove and change the values if > >needed to adjust individual volumes. > > > >The shield on one device is connected (by the manufacturer at the device > >end the others say connect at the audio panel. I understand the ground > >loop problem with connecting at each end. The question is, Is it a > >good practice to shield the device side terminated at the device but not > >at the d-sub and the audio panel side terminated at the audio panel but > >not at the d-sub. This would cover most of the wire except the d-sub in > >the middle of the run and still not lead to a ground loop. Am I > >understand the idea correctly? If not I would appreciate a little help > >with this. Thanks in advance. Don > > > With all your goodies co-located on the panel, it probably > doesn't matter if you ground at one end or both . . . and given > the relatively short leads, all the wiring could probably be done > with no shielding whatsoever! > > The latest addition to the AeroElectric Connection is a chapter > on audio systems which you're free to download at: > > http://aeroelectric.com/articles/Rev11/18Audio_R11.pdf > > It speaks to the simple "resistor mixing" technique > you've cited . . . and also illustrates various combinations > of intercoms, audio isolation amplifiers and audio sources. > I think you'll find enough information in this document > to proceed with your installation. > > Bob . . . > > > --------------------------------------------------------- > < What is so wonderful about scientific truth...is that > > < the authority which determines whether there can be > > < debate or not does not reside in some fraternity of > > < scientists; nor is it divine. The authority rests > > < with experiment. > > < --Lawrence M. Krauss > > --------------------------------------------------------- > > > > >


    Message 15


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    Time: 03:04:28 PM PST US
    From: "Robert L. Nuckolls, III" <nuckollsr@cox.net>
    Subject: Re: So Cal Seminar?
    At 10:27 AM 1/12/2007 -0800, you wrote: > >Bob, > >We are all the way up in Northern California, but if you want to visit the >wine country, we have three EAA chapters, 124, 167 and 1268, in the Sonoma >and Napa areas that would be interested in hosting you. Let us know what >your travel plans are and if you might be interested. We have no specific plans to be in California except that someone wants to do a bit of advance legwork on our behalf to do a presentation in their neighborhood. Have P.A. system, will travel. It's been almost as long since we visited northern California. I think our last presentation was in the Aircrafters facility in Watsonville several years ago. I had an EAA chapter in Livermore make an inquiry some months ago but one of us dropped the ball so that little flame didn't catch hold. So check it out with your local clubs. We need a facility to seat 20-30 folks at tables. When we fly commercial, I can't drag screens with me so I need to borrow one locally. Aside from that, details for the presentation are available at: http://aeroelectric.com/seminars/seminars.html If the clubs can stir up enough local interest to encourage 10 sign-ups, several months of advertising on my website will generally draw enough additional customers to fill out the 20 minimum needed before we can buy non-refundable airline tickets. I take care of all registration through the website. Nobody is charged until after the seminar and then only for what they think it was worth if our rates are deemed too high. The club is incurring no liability for the success of the venture other than to help out with facilities. Bob . . .


    Message 16


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    Time: 03:12:46 PM PST US
    From: LarryMcFarland <larry@macsmachine.com>
    Subject: Re: icom radio
    Hi Bob, The Molex connector has multiple grounds and there are also power inputs at B, M and 11. I'm sure that's all they're referring to. I remember going thru the same ?? when wiring the A200. Larry McFarland -601HDS at www.macsmachine.com bob noffs wrote: > hi all, i am getting started on the wiring of my ic-a200 icom radio. i > would use an 18 ga wire to the ''power '' pin and an 18 ga wire to the > ''ground'' pin of the radio . the enclosed wiring instructions say > this.........POWER CABLE WIRING... > use 2 pairs of 18 ga wires for power and power grounding. > what the heck? the diagram is very simple and if it werent for the > printed statement above i would just proceed. anyone wired one of > these radios? what do their instructions mean? thanks for any info. > > bob noffs


    Message 17


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    Time: 03:18:30 PM PST US
    From: "Bill Maxwell" <wrmaxwell@bigpond.com>
    Subject: Re: icom radio
    The instructions are simply aiming to ensure that the radio can access sufficient current once you hit PTT, Bob. A single 18 ga wire would presumably run the risk of supplying inadequate current. I have wired up several A200 but have used a single run of conventional multistrand twin (figure 8) DC supply cable from my ham radio toolkit, good for at least 8 Amps. Bill ----- Original Message ----- From: bob noffs To: aeroelectric list Sent: Saturday, January 13, 2007 9:38 AM Subject: AeroElectric-List: icom radio hi all, i am getting started on the wiring of my ic-a200 icom radio. i would use an 18 ga wire to the ''power '' pin and an 18 ga wire to the ''ground'' pin of the radio . the enclosed wiring instructions say this.........POWER CABLE WIRING... use 2 pairs of 18 ga wires for power and power grounding. what the heck? the diagram is very simple and if it werent for the printed statement above i would just proceed. anyone wired one of these radios? what do their instructions mean? thanks for any info. bob noffs


    Message 18


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    Time: 03:39:03 PM PST US
    From: Duane Wilson <aaa@pacifier.com>
    Subject: How close together should I put comm antennas?
    Putting 2 comm radios. GNC 300XL and SL30. Need two separate comm antennas (?) How close together can they go on the bottom of the fuselage and not interfere significantly with each other?? Thanks, Duane


    Message 19


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    Time: 03:57:06 PM PST US
    From: "Robert L. Nuckolls, III" <nuckollsr@cox.net>
    Subject: Re: icom radio
    At 04:38 PM 1/12/2007 -0600, you wrote: >hi all, i am getting started on the wiring of my ic-a200 icom radio. i >would use an 18 ga wire to the ''power '' pin and an 18 ga wire to the >''ground'' pin of the radio . the enclosed wiring instructions say >this.........POWER CABLE WIRING... > use 2 pairs of 18 ga wires for power and power grounding. > what the heck? the diagram is very simple and if it werent for the > printed statement above i would just proceed. anyone wired one of these > radios? what do their instructions mean? thanks for any info. I'm mystified about this trend in the newer radios to suggest not only multiple power and ground leads but the suggested sizes are very generous too. For a radio that draws a couple of amps, 18AWG wire is certainly plenty big for the job. Looking over the installation instructions, the only rationale I can deduce for multiple wires is redundancy. Their choice of I/O connectors for this radio is highly suspect. We quit using board edge fingers and large-area, low-pressure connectors in new products years ago where I work. MUCH better that they would choose to use at least a d-sub connector. Given the poor history of the card-edge fingers in aircraft, I suppose someone might have thought they were increasing system reliability with multiple power wires . . . but that idea works only if there are no other single wires that would disable the radio. As to oversized wire, I can't guess. I've been a great fan of Icom Ham equipment for years. I've not heard any complaints about the A200 performance but their packaging leaves something to be desired. My suggestion is that single, 20AWG power and ground feeders will suffice and probably be more reliable because this gage actually FITS the pins you're trying to crimp onto the wires. Bob . . . --------------------------------------------------------- < What is so wonderful about scientific truth...is that > < the authority which determines whether there can be > < debate or not does not reside in some fraternity of > < scientists; nor is it divine. The authority rests > < with experiment. > < --Lawrence M. Krauss > ---------------------------------------------------------


    Message 20


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    Time: 04:03:48 PM PST US
    From: "Robert L. Nuckolls, III" <nuckollsr@cox.net>
    Subject: Re: Secure connection to a diode? (CORRECTED LINK)
    At 02:30 PM 1/11/2007 -0600, you wrote: ><nuckollsr@cox.net> > >At 11:50 AM 1/11/2007 -0500, you wrote: > >><dennis.glaeser@eds.com> >> >>When I have multiple wires at one Faston connection, I use the >>appropriate (bigger) size and put both (or all 3) wires in the connector >>and crimp them all together. B&C does that for the diodes they install >>on their contactors, so I figured it must be OK. I think Bob even has a >>cartoon on how to do that on his website. > > Yes. See . . . > >http://www.aeroelectric.com/Pictures/Wiring_Technique/Wire_treatment_3.jpg > >>If the pin connectors are big enough (i.e. Molex) you could do that as >>well, but D-Sub size pins are too small - you'd have to join the wires >>with a faston size splice with the multiple wires in one end and a >>single wire (maybe doubled over) out to the pin. > > I've not had very good luck with multiple wires into > anything except the old MS3100 series solder-pot connectors. > Crimping multiple wires into connector pins is problematic. > >>I've got 3 individual diodes that have to be wired between micro >>switches and pin connectors and the gear switch and valves with >>fast-ons, etc. > > >>How do you connect the ends coming out of each side of the diode >>to 20 AWG wire? Is there a connector out there for that? Two >>of the diodes have multiple (2) connections on each end. >> >>Needless to say.I'm a wiring newbie! > > Jon it's not clear from your text as to the exact > nature of your task. Can you scan a sketch of the wiring > diagram and attach it to a reply? I 'think' I know > what you're dealing with but a schematic would help > me be more specific and useful. > > Bob . . . > > --------------------------------------------------------- > < What is so wonderful about scientific truth...is that > > < the authority which determines whether there can be > > < debate or not does not reside in some fraternity of > > < scientists; nor is it divine. The authority rests > > < with experiment. > > < --Lawrence M. Krauss > > ---------------------------------------------------------


    Message 21


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    Time: 04:26:33 PM PST US
    From: Neil Clayton <harvey4@earthlink.net>
    Subject: Re: icom radio
    Bob....I got held up by the same stupid instructions. Just wire it as you would think - one wire for ground, one for power. Neil At 05:38 PM 1/12/2007, you wrote: >hi all, i am getting started on the wiring of my ic-a200 icom radio. >i would use an 18 ga wire to the ''power '' pin and an 18 ga wire to >the ''ground'' pin of the radio . the enclosed wiring instructions >say this.........POWER CABLE WIRING... > use 2 pairs of 18 ga wires for power and power grounding. > what the heck? the diagram is very simple and if it werent for > the printed statement above i would just proceed. anyone wired one > of these radios? what do their instructions mean? thanks for any info. > > bob noffs > 33 PM


    Message 22


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    Time: 07:18:47 PM PST US
    From: "bob noffs" <icubob@newnorth.net>
    Subject: icom radio
    hi all, thanks to everyone that responded to my question. after getting thru the confusing written instructions the rest should be easy! bob noffs


    Message 23


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    Time: 09:44:23 PM PST US
    From: Fiveonepw@aol.com
    Subject: Re: Read if you are "Pro" Bob Nuckolls, even if you
    are not! In a message dated 01/12/2007 12:37:57 AM Central Standard Time, rparigor@SUFFOLK.LIB.NY.US writes: www.bob.nuckolls.youaremighty.com >>>>> Gee- tell us something new, eh? Confirmed Nuckollhead, Mark (Z-11) & do not archive


    Message 24


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    Time: 10:24:32 PM PST US
    From: Dave N6030X <N6030X@DaveMorris.com>
    Subject: Hypervox sidetone and music input
    Question for anybody who might have a Troll Avionics Hypervox HV-1 intercom: Even though my King KY97A claims to have sidetone, I was not hearing it through the intercom, so I did as the Hypervox manual says and moved Jumper JMP1 to JMP2 to implement the "artificial sidetone". I can finally hear myself talk. But today I noticed that I can no longer hear the music I pipe in from my iPod to the music input port. (I made sure I was not in Pilot Isolation mode.) Does anybody know whether enabling the artificial sidetone on the HV-1 will disable the music input? Thanks, Dave Morris




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