X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 08 Jul 2014 07:57:20 -0400 Message-ID: X-Original-Return-Path: Received: from nm13-vm0.bullet.mail.bf1.yahoo.com ([98.139.213.79] verified) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTPS id 6964744 for lml@lancaironline.net; Sat, 05 Jul 2014 11:21:01 -0400 Received-SPF: pass receiver=logan.com; client-ip=98.139.213.79; envelope-from=chris_zavatson@yahoo.com Received: from [98.139.214.32] by nm13.bullet.mail.bf1.yahoo.com with NNFMP; 05 Jul 2014 15:20:25 -0000 Received: from [98.139.212.241] by tm15.bullet.mail.bf1.yahoo.com with NNFMP; 05 Jul 2014 15:20:25 -0000 Received: from [127.0.0.1] by omp1050.mail.bf1.yahoo.com with NNFMP; 05 Jul 2014 15:20:25 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 568662.27677.bm@omp1050.mail.bf1.yahoo.com Received: (qmail 45692 invoked by uid 60001); 5 Jul 2014 15:20:25 -0000 X-YMail-OSG: 7Mj.p9sVM1k_Hz2g44bpHGIAfPsGSLtZmQJ3u0KRorU__Rf sQOuGwgm1bRcs5dM9lKEWrYbmuhRDA2xk4.fI1SelmINOopSff9XZcgxzXFF G2ZtQMMaVsAzRfTB_3NnRyMUTvgG66RFdefCFOjpxgex0cmyybeWMLAPVJqt IurQPAVGt_3.uIM3b6X09x35fhpkVWV_uy4AHDMIAWaO1QlKBBZbmglJGBhQ I7nwJzO.2HuBkzETnMkpUIjxxfP1lL5EfOsgO9H_s0t29NcBxLrj8hjAPAfY 4Qi9ko6rTn6H3KtDlW.1xLaq43Dvkh5G97SD_lg97Q_6vksQ9OxMItbWn2Oh JZGraHuQ53vFOxdLkG7e4zCnRAPUwxEuNHz.nTKyYAN58shKE6y1zJocjYZw 3ea.b50enD6PrPJ1TRoc9uaxK15SGcI3ztQXaTF_56UcT8ssb7qb4yZSIKj7 GzJ9mcsAxErc.Cc.JttpC4mya.GWtm5siQqlW4ijiwtDOA5whD2.yPfmSwWp 0hi6i9Uk9RMI92X2t0.mhMWqq_NyJ.lYx.v1sSZc9Ljsm8lAbboCRhnAlzep xgiWx3pW.1.WI3m4MSzn03i0DLZRzO20VX9UwpRYR4Aj6 Received: from [172.14.16.72] by web161205.mail.bf1.yahoo.com via HTTP; Sat, 05 Jul 2014 08:20:25 PDT X-Rocket-MIMEInfo: 002.001,U28gaXQgc291bmRzIGxpa2UgdGhlcmUgaXMgYSBnb29kIHJlYXNvbiB0byBoYW5nIG9uIHRvIG15IGZpcnN0IGdlbmVyYXRpb24gaVBhZHMuwqAgSSBtYWludGFpbiBjaGFyZ2UgaW4tZmxpZ2h0IHdpdGggYSBzbWFsbMKgYXV0b21vdGl2ZSAxQSBjaGFyZ2VyLsKgIEkgd2VudCBzbWFsbCBvbiB0aGUgY2hhcmdlciBzaW1wbHkgdG_CoGhvbGTCoHN0YXRlIG9mwqBjaGFyZ2UgY29uc3RhbnQuwqAgQXQgZnVsbCBicmlnaHRuZXNzIGl0IGJhbGFuY2VzIG91dCBqdXN0IGFib3V0IHJpZ2h0LCBtYXliZSBhIHNsaWcBMAEBAQE- X-Mailer: YahooMailWebService/0.8.191.1 X-Original-Message-ID: <1404573625.40520.YahooMailNeo@web161205.mail.bf1.yahoo.com> X-Original-Date: Sat, 5 Jul 2014 08:20:25 -0700 From: Chris Zavatson Reply-To: Chris Zavatson Subject: [LML] Re: IPAD Solution X-Original-To: LML posts MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="537826103-390284053-1404573625=:40520" --537826103-390284053-1404573625=:40520 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable So it sounds like there is a good reason to hang on to my first generation = iPads.=A0 I maintain charge in-flight with a small=A0automotive 1A charger.= =A0 I went small on the charger simply to=A0hold=A0state of=A0charge consta= nt.=A0 At full brightness it balances out just about right, maybe a slightl= y positive charge rate.=A0 =0A=0AChris Zavatson=0AN91CZ=0A360std=0Awww.N91Z= .net=0A=0A=0A=0A> =0A> I am another Ipad in-flight user and am very happy w= ith it. As others =0A> have said, keep it out of DIRECT sunlight. With th= e WIFI turned on =0A> (required for my ADS-B receiver) it does drain the ba= ttery faster.=0A> =0A> I researched the literature quite a lot about re-cha= rging and there was =0A> a lot of grumbling from non-aviation users of IPad= 3 (and newer) when =0A> they first came out. Those people complained tha= t the IPad would no =0A> longer charge from a wall charger while being used= heavily, and it would =0A> never re-charge if plugged into a computer's US= B port. The complainers =0A> were correct. BTW a computer's USB port is l= imited to .5 amp by the =0A> USB standard. The response from Apple was tha= t the newer models use =0A> significantly more power than prior versions. = So much more that the =0A> Apple standard 10 Watt (~2.1 amps at ~5 volts) w= all chargers deliver =0A> about the same power back to the unit for re-char= ge as it is consuming =0A> when WIFI is on and the screen is bright etc, et= c. Apple technical =0A> people said that a unit with a low state of charge= will not re-charge =0A> while in heavy use from a wall charger or auto cha= rger. In order to =0A> recharge, the heavy consumption of power must be re= moved until re-charge =0A> is complete. Just closing the lid does that, or = the short push of the =0A> power button.=0A> =0A> So, the upshot for us is,= IPad 3 and newer won't really re-charge at all =0A> in-flight, but consump= tion of the battery should be greatly reduced if =0A> we use the right char= ger.=0A> =0A> All in all, I can fly two four hour legs and the battery is n= ot =0A> excessively drained, if I plug it into the cigarette lighter with = a =0A> quality 10 Watt auto charger. These are 2.1 amp at 5 Volt output. T= here =0A> are dual chargers out there advertising 15 Watts but most are one= outlet =0A> at 2.1 amps and one at 1.1 amps. The lower output connection = is =0A> appropriate for phones or other small devices. The IPad 3 itself w= on't =0A> consume more than 2.1 amps anyway, so more would not help.=0A --537826103-390284053-1404573625=:40520 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
So it sounds lik= e there is a good reason to hang on to my first generation iPads.  I m= aintain charge in-flight with a small automotive 1A charger.  I w= ent small on the charger simply to hold state of charge cons= tant.  At full brightness it balances out just about right, maybe a sl= ightly positive charge rate. 

Chris Zavatson=
N91CZ
360std
www.N91Z.net



>
> I am another Ipad in-fli= ght user and am very happy with it. As others
> have said, keep it = out of DIRECT sunlight. With the WIFI turned on
> (required for my = ADS-B receiver) it does drain the battery faster.
>
> I resear= ched the literature quite a lot about re-charging and there was
> a lot of grumbling from non-aviation users of IPad 3 (and newer) = when
> they first came out. Those people complained that the IPad = would no
> longer charge from a wall charger while being used heavil= y, and it would
> never re-charge if plugged into a computer's USB p= ort. The complainers
> were correct. BTW a computer's USB port is = limited to .5 amp by the
> USB standard. The response from Apple wa= s that the newer models use
> significantly more power than prior ve= rsions. So much more that the
> Apple standard 10 Watt (~2.1 amps a= t ~5 volts) wall chargers deliver
> about the same power back to the= unit for re-charge as it is consuming
> when WIFI is on and the scr= een is bright etc, etc. Apple technical
> people said that a unit w= ith a low state of charge will not re-charge
> while in heavy use fr= om a wall charger or auto charger. In order to
> recharge, the heavy consumption of power must be removed until re-charge
> is= complete. Just closing the lid does that, or the short push of the
>= ; power button.
>
> So, the upshot for us is, IPad 3 and newer= won't really re-charge at all
> in-flight, but consumption of the b= attery should be greatly reduced if
> we use the right charger.
&= gt;
> All in all, I can fly two four hour legs and the battery is no= t
> excessively drained, if I plug it into the cigarette lighter wi= th a
> quality 10 Watt auto charger. These are 2.1 amp at 5 Volt ou= tput. There
> are dual chargers out there advertising 15 Watts but m= ost are one outlet
> at 2.1 amps and one at 1.1 amps. The lower out= put connection is
> appropriate for phones or other small devices. = The IPad 3 itself won't
> consume more than 2.1 amps anyway, so more= would not help.
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