X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 25 Oct 2011 21:00:38 -0400 Message-ID: X-Original-Return-Path: Received: from mail.crescentpark.com ([66.192.64.50] verified) by logan.com (CommuniGate Pro SMTP 5.4.2) with ESMTP id 5172564 for lml@lancaironline.net; Tue, 25 Oct 2011 15:50:48 -0400 Received-SPF: none receiver=logan.com; client-ip=66.192.64.50; envelope-from=dtaylor@crescentpark.com X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CC934F.4F47C1FD" Subject: RE: [LML] Re: Problem with Fluctuating Amperage X-Original-Date: Tue, 25 Oct 2011 15:50:37 -0400 X-Original-Message-ID: <4BC31C60B4CBCD4CB1D0A2F716CC711B01E37026@server31.crescentpark.com> In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [LML] Re: Problem with Fluctuating Amperage Thread-Index: AcyTQB4E+dVQjR/wQbe+iy15D954OwAC8Y4w References: From: "Taylor, David" X-Original-To: "Lancair Mailing List" This is a multi-part message in MIME format. ------_=_NextPart_001_01CC934F.4F47C1FD Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Voltage reads steady at 13.8 volts. Amp drop is on the EIS unit, so the EFIS unit is not the cause. Good idea on downloading data. =20 Dave T. =20 From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Dennis Johnson Sent: 10-25-11-Tue 14:01 To: lml@lancaironline.net Subject: [LML] Re: Problem with Fluctuating Amperage =20 Hi David, =20 What is the voltage reading during this time? Does the Grand Rapids EFIS Sport record data that you can download and study after a flight? =20 =20 Dennis Legacy 450 hours ----- Original Message -----=20 From: Taylor, David =20 To: lml@lancaironline.net=20 Sent: Tuesday, October 25, 2011 4:50 AM Subject: [LML] Problem with Fluctuating Amperage =20 Any ideas about what would cause my amperage to start fluctuating wildly about 5 minutes into a flight?=20 =09 It starts out fine after takeoff at 15 amps and then goes to -50 amps for 30 seconds, and then gyrates between 5 amps and -50 amps for a minute and then goes back to normal. It repeats this sequence every 5 minutes.=20 =09 My fuel gages also go down to zero during this episode and then back to normal. =09 Is my B&C LR3C Linear Regulator going bad?=20 =09 (I'm getting these readings from my Grand Rapids EIS engine monitor. It's hooked up to a Grand Rapids EFIS Sport.) =09 Thanks for the help! =09 David T. Legacy RG =20 ------_=_NextPart_001_01CC934F.4F47C1FD Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Voltage reads steady at = 13.8 volts. Amp drop is on the EIS unit, so the EFIS unit is not = the cause. Good idea on downloading data.

Dave = T.

From:= = Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = Dennis Johnson
Sent: 10-25-11-Tue 14:01
To: = lml@lancaironline.net
Subject: [LML] Re: Problem with = Fluctuating Amperage

Hi = David,

What is the voltage reading during this time? Does = the Grand Rapids EFIS Sport record data that you can download and study = after a flight?

Dennis

Legacy 450 hours

----- = Original Message -----
From:<= /b> Taylor, David =
To: lml@lancaironline.net =
Sent:<= /b> = Tuesday, October 25, 2011 4:50 AM
Subject: = [LML] Problem with Fluctuating = Amperage

Any ideas about what would cause my amperage to start = fluctuating wildly about 5 minutes into a flight?

It starts out = fine after takeoff at 15 amps and then goes to -50 amps for 30 seconds, = and then gyrates between 5 amps and -50 amps for a minute and then goes = back to normal. It repeats this sequence every 5 minutes.

My = fuel gages also go down to zero during this episode and then back to = normal.

Is my B&C LR3C Linear Regulator going bad? =

(I'm getting these readings from my Grand Rapids EIS engine = monitor. It's hooked up to a Grand Rapids EFIS Sport.)

Thanks for = the help!

David T.
Legacy RG

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