X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 01 Jul 2014 07:50:43 -0400 Message-ID: X-Original-Return-Path: Received: from COL004-OMC3S4.hotmail.com ([65.55.34.142] verified) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTPS id 6958488 for lml@lancaironline.net; Mon, 30 Jun 2014 23:08:52 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.55.34.142; envelope-from=peterpawaviation@hotmail.com Received: from COL129-W2 ([65.55.34.137]) by COL004-OMC3S4.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Mon, 30 Jun 2014 20:08:18 -0700 X-TMN: [uxIIVQo58zLjutZtHysZ9Ck4F0QnKM/7] X-Originating-Email: [peterpawaviation@hotmail.com] X-Original-Message-ID: X-Original-Return-Path: peterpawaviation@hotmail.com Content-Type: multipart/alternative; boundary="_23504a1d-0967-433e-aed7-5e260cd39362_" From: PETER WILLIAMS X-Original-To: Lancair Mailing List Subject: RE: [LML] Re: IPAD Solution-- thanks X-Original-Date: Mon, 30 Jun 2014 23:08:17 -0400 Importance: Normal In-Reply-To: References: MIME-Version: 1.0 X-OriginalArrivalTime: 01 Jul 2014 03:08:18.0252 (UTC) FILETIME=[B4FFF0C0:01CF94D9] --_23504a1d-0967-433e-aed7-5e260cd39362_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable tom thank you for articulating what i have been experiencing with the ipad i knew the problem with out understanding the dynamics of charging peter > To: lml@lancaironline.net > Date: Sun=2C 29 Jun 2014 15:42:09 -0400 > From: tom@lachollatech.com > Subject: [LML] Re: IPAD Solution >=20 > I am another Ipad in-flight user and am very happy with it. As others=20 > have said=2C keep it out of DIRECT sunlight. With the WIFI turned on=20 > (required for my ADS-B receiver) it does drain the battery faster. >=20 > I researched the literature quite a lot about re-charging and there was=20 > a lot of grumbling from non-aviation users of IPad 3 (and newer) when=20 > they first came out. Those people complained that the IPad would no=20 > longer charge from a wall charger while being used heavily=2C and it woul= d=20 > never re-charge if plugged into a computer's USB port. The complainers=20 > were correct. BTW a computer's USB port is limited to .5 amp by the=20 > USB standard. The response from Apple was that the newer models use=20 > significantly more power than prior versions. So much more that the=20 > Apple standard 10 Watt (~2.1 amps at ~5 volts) wall chargers deliver=20 > about the same power back to the unit for re-charge as it is consuming=20 > when WIFI is on and the screen is bright etc=2C etc. Apple technical=20 > people said that a unit with a low state of charge will not re-charge=20 > while in heavy use from a wall charger or auto charger. In order to=20 > recharge=2C the heavy consumption of power must be removed until re-charg= e=20 > is complete. Just closing the lid does that=2C or the short push of the=20 > power button. >=20 > So=2C the upshot for us is=2C IPad 3 and newer won't really re-charge at = all=20 > in-flight=2C but consumption of the battery should be greatly reduced if= =20 > we use the right charger. >=20 > All in all=2C I can fly two four hour legs and the battery is not=20 > excessively drained=2C if I plug it into the cigarette lighter with a=20 > quality 10 Watt auto charger. These are 2.1 amp at 5 Volt output. There= =20 > are dual chargers out there advertising 15 Watts but most are one outlet= =20 > at 2.1 amps and one at 1.1 amps. The lower output connection is=20 > appropriate for phones or other small devices. The IPad 3 itself won't=20 > consume more than 2.1 amps anyway=2C so more would not help. >=20 >=20 >=20 > -- > For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.ht= ml = --_23504a1d-0967-433e-aed7-5e260cd39362_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
tom

thank you for articulating what i have been experiencing with the ip= ad

i knew the problem w= ith out understanding the dynamics of charging

peter

>=3B To: lml@lancaironli= ne.net
>=3B Date: Sun=2C 29 Jun 2014 15:42:09 -0400
>=3B From: to= m@lachollatech.com
>=3B Subject: [LML] Re: IPAD Solution
>=3B >=3B I am another Ipad in-flight user and am very happy with it. As oth= ers
>=3B have said=2C keep it out of DIRECT sunlight. With the WIFI = turned on
>=3B (required for my ADS-B receiver) it does drain the bat= tery faster.
>=3B
>=3B I researched the literature quite a lot a= bout re-charging and there was
>=3B a lot of grumbling from non-aviat= ion users of IPad 3 (and newer) when
>=3B they first came out. Thos= e people complained that the IPad would no
>=3B longer charge from a = wall charger while being used heavily=2C and it would
>=3B never re-c= harge if plugged into a computer's USB port. The complainers
>=3B wer= e correct. BTW a computer's USB port is limited to .5 amp by the
>= =3B USB standard. The response from Apple was that the newer models use >=3B significantly more power than prior versions. So much more that t= he
>=3B Apple standard 10 Watt (~2.1 amps at ~5 volts) wall chargers = deliver
>=3B about the same power back to the unit for re-charge as i= t is consuming
>=3B when WIFI is on and the screen is bright etc=2C e= tc. Apple technical
>=3B people said that a unit with a low state of= charge will not re-charge
>=3B while in heavy use from a wall charge= r or auto charger. In order to
>=3B recharge=2C the heavy consumptio= n of power must be removed until re-charge
>=3B is complete. Just clo= sing the lid does that=2C or the short push of the
>=3B power button.=
>=3B
>=3B So=2C the upshot for us is=2C IPad 3 and newer won't = really re-charge at all
>=3B in-flight=2C but consumption of the batt= ery should be greatly reduced if
>=3B we use the right charger.
&g= t=3B
>=3B All in all=2C I can fly two four hour legs and the battery = is not
>=3B excessively drained=2C if I plug it into the cigarette l= ighter with a
>=3B quality 10 Watt auto charger. These are 2.1 amp a= t 5 Volt output. There
>=3B are dual chargers out there advertising 1= 5 Watts but most are one outlet
>=3B at 2.1 amps and one at 1.1 amps.= The lower output connection is
>=3B appropriate for phones or other= small devices. The IPad 3 itself won't
>=3B consume more than 2.1 a= mps anyway=2C so more would not help.
>=3B
>=3B
>=3B
&= gt=3B --
>=3B For archives and unsub http://mail.lancaironline.net:81/= lists/lml/List.html
= --_23504a1d-0967-433e-aed7-5e260cd39362_--