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- Path: sparky!uunet!gumby!wmichgw!737ochs
- From: 737ochs@gw.wmich.edu
- Newsgroups: rec.models.railroad
- Subject: Re: dual motor DD40's
- Message-ID: <1992Nov17.052955.6395@gw.wmich.edu>
- Date: 17 Nov 92 05:29:55 EST
- References: <921112152441@d-cell.ftp.com> <1992Nov12.201728.6343@gw.wmich.edu> <1992Nov16.105412.205@physc1.byu.edu>
- Distribution: world
- Organization: Western Michigan University
- Lines: 31
-
- In article <1992Nov16.105412.205@physc1.byu.edu>, hansend@physc1.byu.edu writes:
- >>> the model has two motors, connected with a rod that goes past the "open"
- >>> section in the body. this seems to be to keep the motors (each of which
- >>> power one of the D trucks) sync'd, which keeps the wheels spinning at the
- >>> same rate. when i take this off, they seem to spin that way anyway (slipping
- >>> seems nonexistant). is there a good reasoin to leave this rod there, or can
- >>> i take it off and not expect problems? what problems will i get if they do
- >>> go at differnet speeds? why is this different frmo having two smaller locos
- >>> that are not connected?
- >>
- >> Well, all I can say is try it. It won't hurt unless you notice them not running
- >> well together, you can always turn off the electricity. As I recall, mine has
- >> a universla joint I think, on the rod that connects the 2 motors. I've thought
- >> of doing that too, and closing up the inside of the hole to make it look
- >> more like the prototype
- >> good luck
- >>
- >
- > This is rather interesting. I have two Athearn DD40's from the mid 80's
- > when they were last produced. Both of mine have two motors, and NO
- > connection between the two motors. I have never had any problem with
- > them running out of synch or anything. I would think that a big
- > universal connecting the two motors passing through the gap between the
- > engines would look rather toylike and silly. I am surprised that the
- > model was ever produced this way.
-
- It's actually not a big universal like the normal universals. It has the
- ball and sockets on the end, but is a thin rod between them to connect
- the 2 motors. It isn't too noticible on mine.
-
- Fred
-