X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.248] (HELO qnsi-xch.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.1c.3) with ESMTP id 1357957 for flyrotary@lancaironline.net; Thu, 31 Aug 2006 09:49:41 -0400 Received-SPF: none receiver=logan.com; client-ip=66.219.56.248; envelope-from=bhughes@qnsi.net Content-class: urn:content-classes:message Return-Receipt-To: "Bobby J. Hughes" MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C6CD04.BB59FB3C" Subject: RE: [FlyRotary] Re: EC2 Current Requirements Disposition-Notification-To: "Bobby J. Hughes" X-MimeOLE: Produced By Microsoft Exchange V6.5.6944.0 Date: Thu, 31 Aug 2006 08:52:44 -0500 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: EC2 Current Requirements Thread-Index: AcbNA+szJTR5WcRoSAazZb/ivSC6TgAAEK+g From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C6CD04.BB59FB3C Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Tracy, =20 Is this correct.=20 =20 Coils 5A each normal operations. 10A normal system load with a 18A surge? (2) coils firing at same time. Injectors 2A each normal operations. 4A normal system load.=20 =20 Bobby (ordered EC2 yesterday)=20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy Crook Sent: Thursday, August 31, 2006 8:42 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: EC2 Current Requirements Yes, worst case running current, typical is less. Worst case current surge on power-up is 9 amps (short pulse) but do not skip on breaker size here. Always remember that breakers are for protecting the WIRE, not the device. One of my closest calls was a breaker that kept blowing in-flight because I didn't size it for worst-case scenario. (I might not be here to tell the story if it had been a fuse) =20 Tracy (finally installing 20B [again]. Tell Rusty to stop laughing. Yes, you have to be nuts to install an alternative engine.) ----- Original Message -----=20 From: Bill Eslick =20 To: Rotary motors in aircraft =20 Sent: Wednesday, August 30, 2006 6:18 PM Subject: [FlyRotary] Re: EC2 Current Requirements my notes say per coil, but I think that is a worst case scenario. =09 =09 On 8/30/06, Bobby J. Hughes wrote:=20 Thanks Bill.=20 =20 Is 5A per coil or for 4 total coils?=20 =20 Bobby ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bill Eslick Sent: Wednesday, August 30, 2006 3:33 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: EC2 Current Requirements =09 =09 =09 Bobby, =09 I checked back in my notes from 2003, and here is what I have: =09 EC2 - 0.25 amp injectors - 2A average per injector coils - 5A max (LS-1) =09 I'm sure others will correct me if this has changed.=20 --=20 Bill Eslick =20 www.weslick.com/RV6Index.htm =09 =09 On 8/30/06, Bobby J. Hughes < bhughes@qnsi.net > wrote:=20 Question for Tracy or others. I am working on my electrical and need to know the maximum draw for the EC2, coils and injectors. I posted my Microtech LT10s on eBay yesterday so I may be switching to the EC2.=20 =20 Thanks, =20 Bobby --=20 Bill Eslick =20 www.weslick.com/RV6Index.htm=20 ------_=_NextPart_001_01C6CD04.BB59FB3C Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
Tracy,
 
Is this = correct.=20
 
Coils 5A = each normal=20 operations.   10A normal system load with = a 18A surge? (2)=20 coils firing at same time.
Injectors = 2A each normal=20 operations. 4A normal system load.
 
Bobby
(ordered = EC2 yesterday)=20


From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy=20 Crook
Sent: Thursday, August 31, 2006 8:42 AM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Re: EC2 Current=20 Requirements

Yes, worst case running current, typical is less.   Worst = case=20 current surge on power-up is 9 amps (short pulse) but do not skip on = breaker=20 size here.   Always remember that breakers are for protecting = the=20 WIRE, not the device.   One of my closest calls was a breaker = that=20 kept blowing in-flight because I didn't size it for worst-case=20 scenario.   (I might not be here to tell the story if it had = been a=20 fuse)
 
Tracy   (finally installing 20B [again].   Tell = Rusty=20 to stop laughing.  Yes, you have to be nuts to install an = alternative=20 engine.)
----- Original Message -----
To: Rotary motors in = aircraft
Sent: Wednesday, August 30, = 2006 6:18=20 PM
Subject: [FlyRotary] Re: EC2 = Current=20 Requirements

my notes say per coil, but I think that is a worst case = scenario.

On 8/30/06, Bobby J.=20 Hughes <bhughes@qnsi.net > = wrote:=20
Thanks Bill.=20
 
Is 5A per coil=20 or for 4 total coils?
 
Bobby


From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of = Bill=20 Eslick
Sent: Wednesday, August 30, 2006 3:33 = PM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] Re: EC2 = Current=20 Requirements

Bobby,

I checked back in my notes from 2003, and = here is=20 what I have:

EC2 - 0.25 amp
injectors - 2A average per=20 injector
coils - 5A max  (LS-1)

I'm sure others will = correct=20 me if this has changed.
--
Bill Eslick  
www.weslick.com/RV6Index.htm

On 8/30/06, Bobby J.=20 Hughes < = bhughes@qnsi.net>=20 wrote:=20
Question for Tracy or others. I am = working on=20 my electrical and need to know the maximum draw for the = EC2,=20 coils and injectors. I posted my Microtech LT10s on eBay yesterday = so I=20 may be switching to the EC2.
 
Thanks,
 
Bobby




-- =
Bill=20 Eslick  
www.weslick.com/RV6Index.htm= =20
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