Subject:
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Re: Pulling power of different train systems
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Newsgroups:
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lugnet.trains
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Date:
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Sat, 28 Nov 2009 14:08:02 GMT
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Viewed:
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15747 times
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In lugnet.trains, Mark Bellis wrote:
> In lugnet.trains, Reinhard "Ben" Beneke wrote:
> Ben, with your rig, how does the 8866 PF Train motor compare with the 10153
> motor, for various masses of loco (say no-load, kids' train load and AFOL
> train load)?
Mark,
sorriely I have broken down the small rig after the test series, so I have no
quick access to a wider testing procedure.....
> I've tested the Emerald Night carriage with an 8866 motor and found that the
> gearing was too high to go with a medium motor in the cab (substituted for
> the usual XL motor in an attempt to get more speed, though it didn't work).
The speed of the Emerald is clearly much lower in comparison to 8866. If you run
8866 at a reduced speed to go with the Emerald, the torque (or pulling power) of
8866 at that speed is insufficient. Sad for us AFOLs, but a matter of fact.
> Then I ran just the carriage with two 8866 motors, including the battery and
> receiver. On flexi-track, speed settings less than 3 wouldn't move it, speed
> 3 was OK and speed more than 3 derailed :-(
8866 is definitely designed for kids and if I remember it right, overspeeding
and derailing was number one factor for play fun when I was a kid. So I
understand, why LEGO designers did it like this to have an appealing product for
kids. Kids usually do not want to have the train running and giving an interview
at same time...
> Then I compared pairs of 10153 and 8866 motors in a heavier 8x64 carriage,
> using the PF rechargeable battery and IR receiver to control it. I found
> that with 10153 motors speed setting 4 was good to go all the way round my
> looped-eight layout (with 1 in 30 maximum slope, up and down) (meaning that
> it was good to leave it running at a show so I can talk to the public) but
> that speed setting 5 was needed to get the 8866 motors up the slope and was
> too fast for the descent (meaning I couldn't leave it running at a show).
I have never really played with 8866 before I bought 7898 two weeks ago....
Since this system runs out, I wanted to have just one for reference purpose
basically. I never had the intention to use battery stuff at shows or at home on
any track layout.
> Pulling another two 8x64 carriages, speed setting 4 was still good for the
> 10153 motors but with 8866 motors even top speed struggled on the up hill
> section, cutting out the rechargeable battery 3 times, though it got there
> eventually. It also caused overspeed on the descent and derailed!
Not good....
> It's quite serious if the motor designed for the job is not right.
Train clubs have definitely never been a focus for LEGO. Especially the 8866 is
a kids play thing. Cheap rubbish with no professional approach (as far as I see
it).
> The
> future of PF trains could be at risk. I would like to recommend a redesign
> with lower gearing to TLG. The 8866 motor should be made to follow the
> torque curve of the 10153 9V train motor, so that it is a drop-in
> replacement.
Of course that would be favourable. I think the way to go is to use the "real"
Power Functions items (XXL and medium motor - a micro motor on my wish list).
Those can be geared down to any speed we would like to see.
I myself am happy with a stock of some 60+ 10153 motors and over 100 meters of
9V track. After the demise of 9V trains I can not use these to promote 9V
products to potential new customers. This is bad luck for the LEGO copmpany -
not so much for me.
For my hobby I can accept, that I am a fan of a "dead" system. At least the
Emerald with XXL motor offers a nice add-on to the existing (but now no longer
supported) systems. So I am fine without taking any notice of the 8866 motor,
which offers nothing to me....
Ben
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Message has 1 Reply:
 | | Re: Pulling power of different train systems
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| (...) ... (...) This is an interesting discussion. Keep in mind that the 9v system was also designed for kids, which is why the motors have so little pulling power. Like you, I've looked at the 8866 and figured it would be of little use to me. But I (...) (15 years ago, 30-Nov-09, to lugnet.trains, FTX)
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Message is in Reply To:
| | Re: Pulling power of different train systems
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| (...) Ben, with your rig, how does the 8866 PF Train motor compare with the 10153 motor, for various masses of loco (say no-load, kids' train load and AFOL train load)? I've tested the Emerald Night carriage with an 8866 motor and found that the (...) (15 years ago, 27-Nov-09, to lugnet.trains, FTX)
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