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Battery Radio Control ... In My 44-Ton 'O'-Scale Locomotive
 Moderated by: W C Greene Page:    1  2  Next Page Last Page  
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 Posted: Thu Jul 14th, 2011 04:05 pm
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Ed Reutling
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I thought I had done a stroke of business till I saw some y'alls work.
But  I'll  post what I have done anyway.

Self contained Battery & R/C in 'O'-Scale  44-Tonner, in just the hoods.

All the details are   at OGR forum,
and  because I type very poorly and  slowly,
I will take the easy out and  just  fw anyone interested to  what I have done


------------------------


I guess I should post here what I have sorta spread elsewhere
re:  the  ACME  44 tonner that I have self contained R/C

I'll direct you to  2 links  on OGR, to save myself a lot of  retyping.
I really do not like typing  very much.

OGR Threads:

http://ogaugerr.infopop.cc/eve/forums/a/tpc/f/3181048701/m/4842919217   and

http://ogaugerr.infopop.cc/eve/forums/a/tpc/f/3181048701/m/2992927707

 
--------------------------


Regards,

Ed reutling.


Any questions can be directly to me  at   reutling[at]embarqmail


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 Posted: Thu Jul 14th, 2011 05:12 pm
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W C Greene
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Ed-that's a great little 44 tonner, I have always loved them even though I am a steam kinda guy. What impresses me also is the great response you got from others in the OGR group, quite different from what I got years ago from On30 groups. Times are changin' and many are now seeing "the light". It is still amazing that the big "manufacturers" won't have anything to do with r/c..shows how backward they really are. Now, send stuff here so we can see it and it can be part of this forum.
Woodie



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 Posted: Thu Jul 14th, 2011 05:48 pm
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Ed Reutling
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Woody,

I'll get the parts list and bring it here,
and do I need a web based pix to transfer to this site,
or can I just bring it direct from my hard drive.
I know either way, just a hint should do.

Thx

Ed R


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 Posted: Thu Jul 14th, 2011 06:03 pm
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W C Greene
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Ed-just go to the homepage here, click on menu, then click on gallery. You will see upload photos..click on that and browse and click on photos from your computer. Then when you make your post, to add a photo or more, click on the letter G in the reply, click on your photo and there it is...easier to do than to really explain. Try it!
Woodie



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 Posted: Thu Jul 14th, 2011 07:09 pm
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Toeffelholm
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Ed,


glad to have another 2.4 GHz user here !

Didn't know your ESC source before,

very interesting.


Juergen




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modelling in 1:22.5 on 32mm and 16.5mm track
Actual project: 7/8" scale on 45 mm track
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 Posted: Thu Jul 14th, 2011 08:25 pm
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Ed Reutling
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Juergen,


They have older style, designed before Li Po,
which means a person has to have LiPo cut off circuit.
I, being new to R/C, was unaware of that until after discharging below the magic 6 volts of the 7.4 v batteries,
made them unchargable.
A rather expensive lesson.


I will get a few pix on this thread asap.


Ed R


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 Posted: Thu Jul 14th, 2011 10:06 pm
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Toeffelholm
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Ed,


The micro ESCs I use are from the 1:87 scale RC-modellers, and have also no battery cut off.


This special ESCs with LiPo cut off - at least the ones that I know - do not really cut the ESC off from the LiPo.
What they do is reducing the voltage when the critical value is near.


So a "normal" RC-modeller recognizes that his model gets slow & knows that it is time to return his model & he has to switch it off.
If you don't do this, the quiescent current will do the rest.


I have been aware of this low-voltage problem since I started with LiPos and so use special Lipo saver circuits,
that give a light or sound signal when voltage is approaching the critical value.
So I'm warned also when the Loco is only standing on the layout.


And nevertheless, I have managed to destroy the one or other LiPo,
just by forgetting to switch the loco off, before leaving the room.


But with Herb's method to use a constant headlight as signal that a loco isn't switched off,
I had no more losses up to now.


Juergen




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modelling in 1:22.5 on 32mm and 16.5mm track
Actual project: 7/8" scale on 45 mm track
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 Posted: Fri Jul 15th, 2011 02:01 pm
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Ed Reutling
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The  components in the  O Scale 44 tonner hoods


Left hood has the ESC -- the open bare board, and the   Tatic Receiver board.
The  Right hood has a  smaller than usual battery and the  battery eliminator,
which  makes 3.? v constant voltage to power the receiver.
Missing is the  cab floor and the   at the time of the photo, the  battery cut off circuit, which  fits under the floor.


Hope this makes sense.


Ed Reutling


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 Posted: Fri Jul 15th, 2011 03:14 pm
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Herb Kephart
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Thanks for the photo, Ed

The more photos that we can show of receiver/battery installations, the better.


Herb  




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 Posted: Sat Jul 16th, 2011 03:42 pm
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W C Greene
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Yep, thanks for the photo. One thing that in my r/c ignorance I don't understand is why so many electrical devices? In my locos, I have one board-an ESC/receiver and a battery. With the years I have been doing this, I can just "magically" tell when a battery is getting low. Most times, I just slap a charge on a loco when it may not really need it..the Li Po will let me know by shutting of the charger when it's had enough. Herb's plan of having a headlight connected to the board is the right thing, I still have old timey diode bridge constant loghts with 1.5 volt bulbs. Someday I will change that to Herb's way. I also wonder how much run time is allowed with a small battery that has it's voltage stepped up. Most of my locos have at least 800 MAH 7.4 volt batteries and one Shay has a 1400 MAH 11.1 volt. I get at least 6 to 8 hours of run in these locos. I guess it's dierent strokes......
Woodie



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