Subject:
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P42DC Amtrak Loco with SOUND
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Newsgroups:
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lugnet.trains
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Date:
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Thu, 29 Jun 2000 01:15:45 GMT
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I just uploaded pictures of my latest train creation. I modeled the
P42DC Amtrac locomotive seen here:
http://www.brickshelf.com/cgi-bin/gallery.cgi?i=6386
I originally tried to duplicate the color scheme in that picture but
it look so good. Instead I used the classic 4558 color scheme:
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=770
It's built on a custom 40 stud drop-down wagon plate and includes lights,
spinning fans and authentic diesel sound.
Sound is provided by a Code Pilot from 8479. Getting the Code Pilot to fit in
a 6 wide train was not easy. I had to use various thin wall/equivelant
elements so the buttons and connectors would clear. Even still, there was no
way to clear the motor output connector without seriously impacting looks
so I removed it. It snaps out easially once the unit is disassembled,
with no wires to cut. It can be snaped back in just as easially.
I also had to drop down the center of the wagon plate about two plates
so it would clear the roof.
The code pilot is programed to make the slowest diesel sound when the
sensor reads "in", and rev up through the other 4 speeds when the
sensor input reads "out". It also revs down through the speeds when the
sensor reads "in" again. With this programming, and the output from the
train motor connected to the sensor input, the sounds switch based on wether
the train is moving or not. With DCC, the engine sound can be controlled
independently of motion. Note, for conventional operation it is necessary to
reverse the polarity of the motor output to make the sound change when the
motor is moving forward instead of reverse. This is accomplished by connecting
two 9V wires at right angles at the mini-motor.
BTW, the Code Pilot can also output an "air brake" sound, which when programmed
correctly sounds exactly like a steam engine! The key is to program the
duration of the sound to the desired whoosh period. It actually shapes the
sound to the programmed period instead of truncating it or letting it go
silent.
The only drawback is that the Code Pilot isn't that loud. Putting it
in the enclosed loco with a "ladder" as the output port helped amplify
and improve the sound a bit. Two engines should be louder and I can't
wait to hear what they sound like with "beat interference" between the two.
KL
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Message has 7 Replies:
 | | Re: P42DC Amtrak Loco with SOUND
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| (...) Dude, you rock. This is an awesome model. Sound! Who'da thunk it... But this part about a custom plate I am not following. It looks to me like it's built up on a frame made from individual pieces. Am I missing something? Did you actually cut (...) (24 years ago, 29-Jun-00, to lugnet.trains)
| | | Re: P42DC Amtrak Loco with SOUND
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| (...) Very nice model, Kevin. Really cool. (...) fit in (...) no (...) Would removing the battery cover help a bit in getting the CP to fit inside? Mario (24 years ago, 29-Jun-00, to lugnet.trains)
| | | Re: P42DC Amtrak Loco with SOUND
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| Beautiful engine! Now I have a use for my Code Pilot as well! Imagine what can be done now with the GMLTC eight wides! Peter K Kevin Loch wrote in message ... (...) (24 years ago, 29-Jun-00, to lugnet.trains)
| | | Re: P42DC Amtrak Loco with SOUND
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| (...) Is there any way that an electrical plate could be helpful here? Perhaps you could use the plate to shift the motor output connector over a little bit and then hook it to the back side of an electrical plate. W- (24 years ago, 30-Jun-00, to lugnet.trains)
| | | Re: P42DC Amtrak Loco with SOUND
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| Great work Kevin, What did you use for the latch on the door that hides the codepilot? I am not sure what you mean by "when the sensor reads in", did you find room for that special white gear thing? I tried, and tried on a coal tender, and finally (...) (24 years ago, 16-Jul-00, to lugnet.trains)
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