X-Virus-Scanned: clean according to Sophos on Logan.com From: "Charlie England" Received: from mail-ig0-f180.google.com ([209.85.213.180] verified) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTPS id 6960154 for flyrotary@lancaironline.net; Tue, 01 Jul 2014 22:09:02 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.213.180; envelope-from=ceengland7@gmail.com Received: by mail-ig0-f180.google.com with SMTP id h18so6135385igc.1 for ; Tue, 01 Jul 2014 19:08:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type; bh=NpyR5qCqKTGbtA50Lt9tp1nPCFoPGea6fTf9dwz/MXs=; b=d1/sVNE9UOcSi9861UXd+sWDvjJdOIIbWxsqgYRMQC8RF4EkbHb0+cDz8ooYCQDMpG kkXUonZJIRKsACdsOVxahlxHeiEL/zgCMEkF92ifThb4DsZ8tKi09R6YUQL2cSjV9Lq8 qKHodLeFpoSkUIcU0EGfCAPKzSLHGtPVQ1i+X4PFsiM863vno/Z7h+0s6CPj5aa5g6lM N7dRUO1pB8OV7wbSAQaNuqYzHhpzEKvrakNcrM4MdI5NGp/9kk87JEA1NMIRgvmPhAp3 bBLDfc7LlhJ1iMj5lUo+MxOEjr5024HyW91ZVT3pFIO3rT6QIWhcCayAqnJ395QJNwWR FU8g== X-Received: by 10.42.99.10 with SMTP id u10mr1023102icn.9.1404266908939; Tue, 01 Jul 2014 19:08:28 -0700 (PDT) Return-Path: Received: from ?IPv6:2602:306:25fb:2d49:7c58:d606:ff0:863e? ([2602:306:25fb:2d49:7c58:d606:ff0:863e]) by mx.google.com with ESMTPSA id t1sm39225647igh.9.2014.07.01.19.08.26 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 01 Jul 2014 19:08:28 -0700 (PDT) Message-ID: <53B369B9.8070006@gmail.com> Date: Tue, 01 Jul 2014 21:08:57 -0500 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: actual current use by a rotary? References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------080801030704050801010401" This is a multi-part message in MIME format. --------------080801030704050801010401 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Wow, Steve, that's great detailed info; I was just hoping to get the total. I was expecting the injectors to draw more than the coils, but with all the coils together under 5 amps (and even better for the injectors), then my wiring architecture can get a lot simpler. Many thanks, Charlie On 7/1/2014 7:19 PM, steve Izett wrote: > Hi Charlie > > I think these are in the ball park but not measured under flying > conditions only idle. > > */_ENGINE_/* > > *EC2 .3* > > *EM3 .5* > > *COILS (D585) 5* > > *INJECTORS (Renesis) 2* > > *FUEL PRESSURE PUMP x 1 8.4* > > *FUEL TRANSFER PUMP x 1 1.6* > > *O2 SENSOR 0.6 * > > *Total Engine 18.4* > > Steve Izett > > On 2 Jul 2014, at 5:08 am, Charlie England > > wrote: > >> Has anyone with an ammeter installed measured their engine's actual >> current draw (controller, injectors, plugs, fuel pump) with >> everything but the engine shut down, and the alternator offline? >> IIRC, Bernie Kerr once did a battery duration test & discontinued >> after ~40 minutes, but I don't recall seeing any actual current >> measurements. >> >> Thanks, >> >> Charlie > --------------080801030704050801010401 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit
Wow, Steve, that's great detailed info; I was just hoping to get the total. I was expecting the injectors to draw more than the coils, but with all the coils together under 5 amps (and even better for the injectors), then my wiring architecture can get a lot simpler.

Many thanks,

Charlie

On 7/1/2014 7:19 PM, steve Izett wrote:
Hi Charlie

I think these are in the ball park but not measured under flying conditions only idle.

ENGINE

EC2                                          .3

EM3                                         .5

COILS (D585)                          5

INJECTORS (Renesis)             2

FUEL PRESSURE PUMP  x 1  8.4

FUEL TRANSFER PUMP x 1  1.6

O2 SENSOR                             0.6      

Total Engine                            18.4

Steve Izett

On 2 Jul 2014, at 5:08 am, Charlie England <flyrotary@lancaironline.net> wrote:

Has anyone with an ammeter installed measured their engine's actual current draw (controller, injectors, plugs, fuel pump) with everything but the engine shut down, and the alternator offline? IIRC, Bernie Kerr once did a battery duration test & discontinued after ~40 minutes, but I don't recall seeing any actual current measurements.

Thanks,

Charlie 


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