I have a kr2 converted to a 1. It is at hicks T67 6 miles west of alliance and 6 miles. 6 miles north of Meacham.
Sent from my iPhone > On Oct 2, 2015, at 11:00 AM, krnet-request at list.krnet.org wrote: > > Send KRnet mailing list submissions to > krnet at list.krnet.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org > or, via email, send a message with subject or body 'help' to > krnet-request at list.krnet.org > > You can reach the person managing the list at > krnet-owner at list.krnet.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of KRnet digest..." > > > Today's Topics: > > 1. Re: Electrical System (Jeff Scott) > 2. Re: Electrical System (John Martindale) > 3. Re: Electrical System (brian.kraut at eamanufacturing.com) > 4. Re: Electrical System (John Martindale) > 5. Re: Electrical System (Mike Arnold) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 1 Oct 2015 19:21:56 +0200 > From: "Jeff Scott" <jscott.planes at gmx.com> > To: krnet at list.krnet.org > Subject: Re: KR> Electrical System > Message-ID: > <trinity-ed3c0cdf-7aeb-43f5-aeb8-f3e816497282-1443720115606 at > 3capp-mailcom-lxa06> > > Content-Type: text/plain; charset=UTF-8 > > > >> Most mechanical circuit >> breakers are rated for 10,000 trip cycles. >> >> Sid Wood >> Tri-gear KR-2 N6242 >> Mechanicsville, MD, USA >> ------------------------------------------------------------------------------ > > > If my mechanical circuit breakers are getting close to 10,000 trip cycles, I > have done something very wrong... > > Real world failures of mechanical circuit breakers seem to be more related to > corrosion on the contacts creating a voltage drop across the breaker. I've > seen that a number of times in 1960s vintage aircraft. That is an issue one > should never see with electronic breakers. Of course your mechanical > breakers need to age for about 40 or 50 years before that becomes a problem. > > Not really my cup of tea, but for those that like an electronic panel. > Vertical Power seems to be the favored company if one wants to use electronic > breakers. Their VP-X Sport and VP-X Pro series units integrate with a number > of EFIS displays, so can be controlled from the EFIS. Their stuff isn't > cheap, but it works quite well. The vertical power unit also integrates a > lot of whiz bang capability as well by giving you the capability to program > it to not allowing flaps to extend above a certain speed, or warn you if you > exceed your flap speed with them deployed, can control your trim, operates > the landing lights as Wig-Wags, and allows each circuit to be programmed > individually for the electronic circuit breaker trip current. Lots of bells > and whistles for those that want to program their airplane. > > -Jeff Scott > Los Alamos, NM > > > > ------------------------------ > > Message: 2 > Date: Fri, 2 Oct 2015 06:43:24 +1000 > From: "John Martindale" <john_martindale at bigpond.com> > To: "'KRnet'" <krnet at list.krnet.org> > Subject: Re: KR> Electrical System > Message-ID: <B00EB155E4334B1FBAC6518753573D68 at Desktop> > Content-Type: text/plain; charset="us-ascii" > > Hi Sid > > What kind of alternator is that VW Diehl alternator? Is it field regulated > aka most cars or a permanent magnet dynamo with regulator aka the small John > Deere or Kubota tractors? > > Cheers John > > John Martindale > 29 Jane Circuit > Toormina NSW 2452 > Australia > > ph:61 2 6658 4767 > m:0403 432179 > email:john_martindale at bigpond.com > web site: > -----Original Message----- > From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of Sid Wood via > KRnet > Sent: Friday, 2 October 2015 1:31 AM > To: krnet at list.krnet.org > Cc: Sid Wood > Subject: Re: KR> Electrical System > > I have used the Expbus for 5 years on my KR-2. I added a 35 amp circuit > breaker for the VW Diehl alternator rated at 20 amps. .....sheep shears > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.6140 / Virus Database: 4435/10737 - Release Date: 10/01/15 > > > > > ------------------------------ > > Message: 3 > Date: Thu, 01 Oct 2015 18:39:15 -0700 > From: <brian.kraut at eamanufacturing.com> > To: "KRnet" <krnet at list.krnet.org> > Subject: Re: KR> Electrical System > Message-ID: > <20151001183915.31a5f8c871d0e3389177406b4aec562c.e72f563f6f.wbe at > email04.secureserver.net> > > Content-Type: text/plain; charset="utf-8" > > It is a permanent magnet generator. If I recall correctly it is a John > Deer part. > > > -------- Original Message -------- > Subject: Re: KR> Electrical System > From: John Martindale via KRnet <krnet at list.krnet.org> > Date: Thu, October 01, 2015 1:43 pm > To: "'KRnet'" <krnet at list.krnet.org> > Cc: John Martindale <john_martindale at bigpond.com> > > Hi Sid > > What kind of alternator is that VW Diehl alternator? Is it field > regulated > aka most cars or a permanent magnet dynamo with regulator aka the small > John > Deere or Kubota tractors? > > Cheers John > > John Martindale > 29 Jane Circuit > Toormina NSW 2452 > Australia > > ph:61 2 6658 4767 > m:0403 432179 > email:john_martindale at bigpond.com > web site: > -----Original Message----- > From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of Sid Wood > via > KRnet > Sent: Friday, 2 October 2015 1:31 AM > To: krnet at list.krnet.org > Cc: Sid Wood > Subject: Re: KR> Electrical System > > I have used the Expbus for 5 years on my KR-2. I added a 35 amp circuit > breaker for the VW Diehl alternator rated at 20 amps. .....sheep shears > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.6140 / Virus Database: 4435/10737 - Release Date: > 10/01/15 > > > _______________________________________________ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to > change options > > > > ------------------------------ > > Message: 4 > Date: Fri, 2 Oct 2015 14:11:40 +1000 > From: "John Martindale" <john_martindale at bigpond.com> > To: "'KRnet'" <krnet at list.krnet.org> > Subject: Re: KR> Electrical System > Message-ID: <8004AD39A8BE4FD2B4003042846C232C at Desktop> > Content-Type: text/plain; charset="us-ascii" > > Hmmm, in which case having a 35amp circuit breaker in its unregulated output > is pointless. It will never trip because the dynamo at 20 amp rating is > incapable of supplying that current in the first place unless it goes into > substantial overspeed. > > What should be included is over-voltage protection across the regulated > output that breaks (or shunts) the circuit in the event of regulator > failure. Breaking unregulated output by circuit breaker or simple switch > generates huge voltages in the dynamo coils that could break down the > insulation around the wires in it because the power from the coils spinning > in the non-adjustable non turn offable magnetic field has nowhere else to > go. You should never spin a dynamo without somewhere for the excess power to > go.......even if it just literally a "crowbar" across the output. > > Alternators are very different because the coils are energised to produce > the field (as opposed to magnet) and can thus be turned off. Spinning of the > armature thus has no output and no adverse impact. > > John Martindale > 29 Jane Circuit > Toormina NSW 2452 > Australia > > ph:61 2 6658 4767 > m:0403 432179 > email:john_martindale at bigpond.com > web site: > -----Original Message----- > From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of > brian.kraut--- via KRnet > Sent: Friday, 2 October 2015 11:39 AM > To: KRnet > Cc: brian.kraut at eamanufacturing.com > Subject: Re: KR> Electrical System > > It is a permanent magnet generator. If I recall correctly it is a John > Deer part. > > > -------- Original Message -------- > Subject: Re: KR> Electrical System > From: John Martindale via KRnet <krnet at list.krnet.org> > Date: Thu, October 01, 2015 1:43 pm > To: "'KRnet'" <krnet at list.krnet.org> > Cc: John Martindale <john_martindale at bigpond.com> > > Hi Sid > > What kind of alternator is that VW Diehl alternator? Is it field > regulated > aka most cars or a permanent magnet dynamo with regulator aka the small > John > Deere or Kubota tractors? > > Cheers John > > John Martindale > 29 Jane Circuit > Toormina NSW 2452 > Australia > > ph:61 2 6658 4767 > m:0403 432179 > email:john_martindale at bigpond.com > web site: > -----Original Message----- > From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of Sid Wood > via > KRnet > Sent: Friday, 2 October 2015 1:31 AM > To: krnet at list.krnet.org > Cc: Sid Wood > Subject: Re: KR> Electrical System > > I have used the Expbus for 5 years on my KR-2. I added a 35 amp circuit > breaker for the VW Diehl alternator rated at 20 amps. .....sheep shears > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.6140 / Virus Database: 4435/10737 - Release Date: > 10/01/15 > > > _______________________________________________ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to > change options > > _______________________________________________ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.6140 / Virus Database: 4435/10739 - Release Date: 10/01/15 > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.6140 / Virus Database: 4435/10739 - Release Date: 10/01/15 > > > > > ------------------------------ > > Message: 5 > Date: Fri, 2 Oct 2015 10:58:21 -0500 > From: Mike Arnold <marnold771 at gmail.com> > To: KRnet <krnet at list.krnet.org> > Subject: Re: KR> Electrical System > Message-ID: > <CAHq8fx=AVfYvwQeW7SMpSXh4uf9EAuN0Uz83__9wHiHWAAFK7g at mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > > Any KR 2 in N Tx? > On Oct 1, 2015 11:12 PM, "John Martindale via KRnet" <krnet at list.krnet.org> > wrote: > >> Hmmm, in which case having a 35amp circuit breaker in its unregulated >> output >> is pointless. It will never trip because the dynamo at 20 amp rating is >> incapable of supplying that current in the first place unless it goes into >> substantial overspeed. >> >> What should be included is over-voltage protection across the regulated >> output that breaks (or shunts) the circuit in the event of regulator >> failure. Breaking unregulated output by circuit breaker or simple switch >> generates huge voltages in the dynamo coils that could break down the >> insulation around the wires in it because the power from the coils spinning >> in the non-adjustable non turn offable magnetic field has nowhere else to >> go. You should never spin a dynamo without somewhere for the excess power >> to >> go.......even if it just literally a "crowbar" across the output. >> >> Alternators are very different because the coils are energised to produce >> the field (as opposed to magnet) and can thus be turned off. Spinning of >> the >> armature thus has no output and no adverse impact. >> >> John Martindale >> 29 Jane Circuit >> Toormina NSW 2452 >> Australia >> >> ph:61 2 6658 4767 >> m:0403 432179 >> email:john_martindale at bigpond.com >> web site: >> -----Original Message----- >> From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of >> brian.kraut--- via KRnet >> Sent: Friday, 2 October 2015 11:39 AM >> To: KRnet >> Cc: brian.kraut at eamanufacturing.com >> Subject: Re: KR> Electrical System >> >> It is a permanent magnet generator. If I recall correctly it is a John >> Deer part. >> >> >> -------- Original Message -------- >> Subject: Re: KR> Electrical System >> From: John Martindale via KRnet <krnet at list.krnet.org> >> Date: Thu, October 01, 2015 1:43 pm >> To: "'KRnet'" <krnet at list.krnet.org> >> Cc: John Martindale <john_martindale at bigpond.com> >> >> Hi Sid >> >> What kind of alternator is that VW Diehl alternator? Is it field >> regulated >> aka most cars or a permanent magnet dynamo with regulator aka the small >> John >> Deere or Kubota tractors? >> >> Cheers John >> >> John Martindale >> 29 Jane Circuit >> Toormina NSW 2452 >> Australia >> >> ph:61 2 6658 4767 >> m:0403 432179 >> email:john_martindale at bigpond.com >> web site: >> -----Original Message----- >> From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of Sid Wood >> via >> KRnet >> Sent: Friday, 2 October 2015 1:31 AM >> To: krnet at list.krnet.org >> Cc: Sid Wood >> Subject: Re: KR> Electrical System >> >> I have used the Expbus for 5 years on my KR-2. I added a 35 amp circuit >> breaker for the VW Diehl alternator rated at 20 amps. .....sheep shears >> >> >> >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2015.0.6140 / Virus Database: 4435/10737 - Release Date: >> 10/01/15 >> >> >> _______________________________________________ >> Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. >> To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org >> please see other KRnet info at http://www.krnet.org/info.html >> see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to >> change options >> >> _______________________________________________ >> Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. >> To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org >> please see other KRnet info at http://www.krnet.org/info.html >> see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change >> options >> >> >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2015.0.6140 / Virus Database: 4435/10739 - Release Date: 10/01/15 >> >> >> >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2015.0.6140 / Virus Database: 4435/10739 - Release Date: 10/01/15 >> >> >> _______________________________________________ >> Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. >> To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org >> please see other KRnet info at http://www.krnet.org/info.html >> see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change >> options >> > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > See KRnet list details at http://www.krnet.org/instructions.html > KRnet mailing list > KRnet at list.krnet.org > http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org > > > ------------------------------ > > End of KRnet Digest, Vol 3, Issue 260 > *************************************
