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[96.35.145.158]) by mx.google.com with ESMTPSA id n3sm25758601oep.2.2014.01.13.12.33.57 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 13 Jan 2014 12:33:58 -0800 (PST) Message-Id: <6DBF8EA5-A391-424E-BDD2-B74360D606A3@gmail.com> References: <1389634900.811.86008.m17@yahoogroups.com> To: CBQ@yahoogroups.com In-Reply-To: <1389634900.811.86008.m17@yahoogroups.com> X-Mailer: Apple Mail (2.1827) X-Originating-IP: 10.193.84.142 X-eGroups-Msg-Info: 1:12:0:0:0 From: William Barber X-Yahoo-Profile: clipperwr Sender: CBQ@yahoogroups.com MIME-Version: 1.0 Mailing-List: list CBQ@yahoogroups.com; contact CBQ-owner@yahoogroups.com Delivered-To: mailing list CBQ@yahoogroups.com List-Id: Precedence: bulk List-Unsubscribe: Date: Mon, 13 Jan 2014 14:33:55 -0600 Subject: [CBQ] Re: Locomotives as Units Reply-To: CBQ@yahoogroups.com X-Yahoo-Newman-Property: groups-email-tradh-m Content-Type: multipart/alternative; boundary="Apple-Mail=_DE001B41-49F9-433F-A051-C8B5B140DED0" --Apple-Mail=_DE001B41-49F9-433F-A051-C8B5B140DED0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Doug, I am pretty certain that the units term came from the manufacturers, but no= t necessarily in terms of a locomotive. In the early days of Es, Fs. FAs, P= As, etc., locomotives were made up of multiple sections or components calle= d units. An FT freight motor might be made up of four units comprising one = locomotive, particularly when drawbars were used instead of couplers. Then,= we MU (multiple unit) them together with an MU cables connected to the MU = receptacles to make it one locomotive. It was not uncommon in diesel shops = or roundhouses to hear references to units available or even little or big = units with reference to horsepower. A few older books even referred to stea= m locomotives as units, but the more common terms were locomotive or engine= s. I think the best way to think of the term is as units of power, but in m= ost cases, each diesel unit is capable of being a locomotive if it has a fu= ll cab with appropriate controls. Over time, the terms locomotive, unit or = engine have become interchangeable. An engineer might say that I have three= locomotives today, or he might say I have three units or three engines. Ev= erybody that needed to, would know what he is talking about.=20=20 Bill Barber Gravois Mills, MO On Jan 13, 2014, at 11:41 AM, CBQ@yahoogroups.com wrote: > Re: Digest Number 5767 > Mon Jan 13, 2014 8:45 am (PST) . Posted by:douglas_p_hartmanAnd how about= locomotives being called "units"?=20 >=20 > Doug=20 --Apple-Mail=_DE001B41-49F9-433F-A051-C8B5B140DED0 Content-Type: text/html; charset=US-ASCII Content-Transfer-Encoding: 7bit

Doug,

I am pretty certain that the units term came from the manufacturers, but not necessarily in terms of a locomotive. In the early days of Es, Fs. FAs, PAs, etc., locomotives were made up of multiple sections or components called units. An FT freight motor might be made up of four units comprising one locomotive, particularly when drawbars were used instead of couplers. Then, we MU (multiple unit) them together with an MU cables connected to the MU receptacles to make it one locomotive. It was not uncommon in diesel shops or roundhouses to hear references to units available or even little or big units with reference to horsepower. A few older books even referred to steam locomotives as units, but the more common terms were locomotive or engines. I think the best way to think of the term is as units of power, but in most cases, each diesel unit is capable of being a locomotive if it has a full cab with appropriate controls. Over time, the terms locomotive, unit or engine have become interchangeable. An engineer might say that I have three locomotives today, or he might say I have three units or three engines. Everybody that needed to, would know what he is talking about.  

Bill Barber
Gravois Mills, MO


On Jan 13, 2014, at 11:41 AM, CBQ@yahoogroups.com wrote:

Mon Jan 13, 2014 8:45 am (PST) . Posted by:

douglas_p_hartman

And how about locomotives being called "units"? 

Doug 



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