Subject:
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Re: Converting an Emerald Knight to run on 9 volt track
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Newsgroups:
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lugnet.trains
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Date:
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Mon, 30 Nov 2009 15:02:03 GMT
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Viewed:
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15991 times
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In lugnet.trains, Ted Michon wrote:
> Question: What about leaving the 9V motor unit intact and still running a wire
> from it to the Emerald Night's motor, giving 2 motors in parallel with more
> pulling power and saving the disassembly of the powered rail motor?
>
> -Ted
Ted
Mainly due to the fact that the RPM will be different from each motor, meaning
that one motor will be working much harder than the other, thus lessening the
life of the overworked motor. Also the torque and friction is much higher in the
Power Functions (the O-rings really grip) compared to the steel wheels on steel
track.
Here is a link to an amazing site breaking down the torques and RPMs of all the
LEGO motors.
http://www.philohome.com/motors/motorcomp.htm
Now this is my first stab at this conversion with the trains. I am sure that
many of the hardcore LEGO train builders have done something like this or
handled it far more elegantly than I did. I do plan on trying to make a single
boggy with steel wheels and electrical pick-ups, but this will require a bit of
machining of the single axle train wheel assembly.
Peter
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Message has 2 Replies:
 | | Re: Converting an Emerald Knight to run on 9 volt track
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| (...) FWIW, on the page it's "Night", and "bogey". I will probably be ordering my EN today, and am too considering options. I have quite a mix of 9V and RC stuff (in fact, about 1/2 the Lego trains back to 1980) Probably I will suck it up and buy (...) (14 years ago, 30-Nov-09, to lugnet.trains)
| | | Re: Converting an Emerald Knight to run on 9 volt track
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| (...) I've seen some power pickups made out of a normal train wheel covered in metal tape. But I would assume there are metal model railroad wheels out there that could be forced on to a technic axle or something similar. A bit more drag, but if it (...) (14 years ago, 3-Dec-09, to lugnet.trains)
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Message is in Reply To:
| | Re: Converting an Emerald Knight to run on 9 volt track
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| (...) Peter- Very cool. And "they" said it could not be done! Question: What about leaving the 9V motor unit intact and still running a wire from it to the Emerald Night's motor, giving 2 motors in parallel with more pulling power and saving the (...) (14 years ago, 30-Nov-09, to lugnet.trains)
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