X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.129.170.194] (HELO VIRCOM1.fcdata.private) by logan.com (CommuniGate Pro SMTP 5.4c2a) with ESMTP id 4832734 for flyrotary@lancaironline.net; Mon, 31 Jan 2011 12:09:24 -0500 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@texasattorney.net Received: from FCD-MAIL06.FCDATA.PRIVATE ([fe80::697f:d6aa:b87:78d8]) by FCD-MAIL05.FCDATA.PRIVATE ([fe80::809d:a06e:5913:452e%15]) with mapi id 14.01.0270.001; Mon, 31 Jan 2011 11:05:07 -0600 From: Chris Barber To: Rotary motors in aircraft Subject: RE: [FlyRotary] Re: Back up air turbine Thread-Topic: [FlyRotary] Re: Back up air turbine Thread-Index: AQHLwUV+86xFsd/GcESzEd4aJc+capPrT7ou Date: Mon, 31 Jan 2011 17:08:41 +0000 Message-ID: <2D41F9BF3B5F9842B164AF93214F3D30357154B5@FCD-MAIL06.FCDATA.PRIVATE> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [99.98.105.202] Content-Type: multipart/alternative; boundary="_000_2D41F9BF3B5F9842B164AF93214F3D30357154B5FCDMAIL06FCDATA_" MIME-Version: 1.0 --_000_2D41F9BF3B5F9842B164AF93214F3D30357154B5FCDMAIL06FCDATA_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I knew there had to be options. I have always like the idea of one of thes= e things but was astonished and annoyed at the price. I am not sure how I = would actually implement it, but like the intellectual exercise of piecing = it together, even if I never implement the install, but, you never know....= .uh, of course, perhaps I should actually get my engine running properly fi= rst....and, oh yeah, fly. Chris Houston ________________________________ From: Rotary motors in aircraft [flyrotary@lancaironline.net] on behalf of = Lehanover@aol.com [Lehanover@aol.com] Sent: Monday, January 31, 2011 6:53 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Back up air turbine In a message dated 1/31/2011 2:50:16 A.M. Eastern Standard Time, gregw@ones= topdesign.biz writes: Not to mention Ice, drag, exposed wiring, not that many amps, and being a tad bit overpriced. Greg Ward Legacy 20B, N178RG Still around and in progress...... ----- Original Message ----- From: "Ernest Christley" To: "Rotary motors in aircraft" Sent: Sunday, January 30, 2011 7:37 PM Subject: [FlyRotary] Re: Back up air turbine I use model airplane electric motors that cost under $30.00. They are rated= at 50 amps with burst current to 60 amps. The shaft fits a wide selection of propellers a $4.00 each. They a= re brushless so nearly no electrical noise and the windings are fixed. The = outer case has rows of very powerful magnets that spin in ball bearings aro= und the wound pole pieces. http://www.hobbypartz.com/monsterpower-46--670kv--outrunner-brushless-motor= .html This is the size I use and this will pull a 7 pound model very well. The KV rating is actually how many revs you get for each volt applied. Model builders around the world have performed billions of hours life tests= including deep dive shock testing into the earth, and these things hold up. Originally designed as disc drive powe= r for every computer, which has to be electrically noise free (no brush arc= ing). Weight is 12 ozs. Lynn E. Hanover --_000_2D41F9BF3B5F9842B164AF93214F3D30357154B5FCDMAIL06FCDATA_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I knew there had to be options.  I have always like the idea of one= of these things but was astonished and annoyed at the price.  I am no= t sure how I would actually implement it, but like the intellectual=  exercise of piecing it together, even if I never implement the install, but, you never know.....uh, = of course, perhaps I should actually get my engine running properly first..= ..and, oh yeah, fly.

 

Chris

Houston

From: Rotary motors in aircraft [flyrotary@= lancaironline.net] on behalf of Lehanover@aol.com [Lehanover@aol.com]
Sent: Monday, January 31, 2011 6:53 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Back up air turbine

In a message dated 1/31/2011 2:50:16 A.M. Eastern Standard Time, gregw= @onestopdesign.biz writes:
Not to mention Ice, drag, exposed wiring, not that many amps= , and being a
tad bit overpriced.
Greg Ward
Legacy 20B, N178RG Still around and in progress......

----- Original Message -----
From: "Ernest Christley" <echristley@nc.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net&g= t;
Sent: Sunday, January 30, 2011 7:37 PM
Subject: [FlyRotary] Re: Back up air turbine

 
 
I use model airplane electric motors that cost under $30.00. They are = rated at 50 amps with burst current to
60 amps. The shaft fits a wide selection of propellers a $4.00 each. T= hey are brushless so nearly no electrical noise and the windings are fixed.= The outer case has rows of very powerful magnets that spin in ball bearing= s around the wound pole pieces.
 
 
This is the size I use and this will pull a 7 pound model very well. <= /div>
 
The KV rating is actually how many revs you get for each volt applied.=
 
Model builders around the world have performed billions of hours life = tests including deep dive shock testing into
the earth, and these things hold up. Originally designed as disc drive= power for every computer, which has to be electrically noise free (no brus= h arcing).
Weight is 12 ozs.
 
Lynn E. Hanover 
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