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· DT
5,345 Posts
Discussion Starter · #4 ·
I was keen to test the pulling power of these Multiple Unit Class 20's.

I hooked up a rake of goods wagons and loaded them with my benchwork screws. 5 wagons: 210g, 140g, 180g, 145g and 360g.

I then ran the trains UP my 1:40 gradient ramp.

The Hornby A4 was able to haul the first 3 wagons (530g) and slipped with the 4th (675g).

A single Bachmann Class 20 was able to haul 675g comfortably, but slipped with 5 wagons (1035g).

The two Class 20's set up as a MU were able to easily pull the 1035g. Noise levels we higher - not sure if it was just the locos or the whole train on the ramp. It sounded quite cool though.

· DT
5,345 Posts
Discussion Starter · #8 ·
In July 2006 I wrote up a little review on the Bachmann Class 20

Click here for the review.

I now have the Class 20 with DCC Sound that I purchase thanks to a good deal at OnTracks.

Class 20 Diesel D8113 BR Green With Discs/Tablet Catcher (Digital Sound)

You can see the tablet catcher under the drivers window on the cab side.

The double fly-wheel make for excellent running. Smooth, slow and powerful. Good control at slow speeds and super-stable running at higher speeds make for a good loco. I must go and weigh this, it feels heavier that the other two, but I'm not certain.

The decoder and speaker.

A close-up of the decoder. The decoder is seated on a 21-pin connector under that seal. I don't see how the warranty of the loco can be voided if the seal is broken. It seems a little over the top. What if someone just wanted to change the decoder, should that void the warranty of the whole loco. Or do you think that Bachmann will use common sense and apply this to the decoder only?

The three locomotives together show my liking for these strong little locomotives that have more power to weight that anything else on the layout. They can go anywhere and pull anything.

You may have seen the little video of the loco on my layout. If not, here it is a link to it: Bachmann Class 20 with Sound.

Bachmann include good instructions for the locomotive with the usual 'exploded' drawing of parts. They include info on the use of the indicator disks allowing you to make use of the detailed parts supplied: indicator disks - closed and open, a ladder, hoses and pipes.

A good info sheet on the sound decoder is also supplied, but for owners of this loco, it is a good idea to read the full sound decoder manual from Loksound (all 52 pages!).

As mentioned elsewhere, the model benefits from a lowering of the sound decoder volume and a slight tweaking of the inertia values.
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