10 How to install a digihat | Converting a Farish loco for DCC

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Converting some older Graham Farish n-scale locomotives to run on DCC requires that the motor brushes be isolated from the chasis. This can be done using a "digihat".
In this video I will have a go at fitting a digihat for the first time, in preparation for a DCC conversion of my Coronation class Duchess of Sutherland locomotive.
Parts used in this video:
* Digihat
* Graham Farish 372-180 - 8P No. 6233 "Duchess of Southerland" in LMS crimson lake livery.

Опубликовано:

16 июл 2020

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Комментарии : 26

@garethrook2095 4 года назад

Finally I understand how to do it. Going to do my little j94 saddle tank thanks for the video

@naivegauge 4 года назад

Glad it helped - I know how you feel. good luck.

@garethrook2095 4 года назад

Will you be doing a video on wiring in the decoder?

@naivegauge 4 года назад

yes, already made, and queued up. There is one on adding pickups to the tender, and then another on wiring in the decoder and tuning up the loco to run smoothly. when I started I though it would be a single video, but nothing is ever as simple as you imagine it will be!!

@Buckbyspotter 4 года назад

Just what I have been waiting for I will try and do my class 56 now, you made it look quite easy once you got stuck in.

@naivegauge 4 года назад

Don't be fooled - the footage was highly edited!!! However, now I have done it once it will be simple to do a second time. Be encouraged - give it a go and let me know what happens :)

@wimbletrain 3 года назад

Thanks for making a video on this. Recently I have been purchasing some used Farish locos off Ebay here in Australia. The first two I got were Chinese manufactured with the split chassis so were pretty straightforward to modify to DCC after I found out how. However the third one I got was a Class 47 and when I opened it I thought what the heck is this. After a bit of research and then coming across your vid I see its a model that was manufactured in Britain and needed the Digihat mod. I have ordered one so will give it a go when I get it. Cheers John

@naivegauge 3 года назад

You are welcome. I tried to make the video that I had not been able to find to learn how to do it myself. I am glad it as helpful.

@clivemedley8538 3 года назад

Great Video, I have been having a few problems myself. Think I can see where I was going wrong. Thanks for sharing!!

@naivegauge 3 года назад

Glad to help

@stephenwalker6823 Год назад

I have used a number of Digihats (and an alternative make) and have found that for some locos, insulating the sides of the clip causes it to rub on the rear driving wheels. So now, instead, I bend the clip straighter on one side, slide insulation on and bend it back, so that just the flat base of the clip is insulated instead. The clip remains live, but is not in contact with the brush spring. I solder a thin wire directly to the end of the brush spring. This arrangement is slightly more compact and avoids problems with the driving wheels.

@naivegauge Год назад

Good advice. soldering direct to the spring must be difficult. What is the alternative make to a Digital?

@stephenwalker6823 Год назад

@@naivegauge Solder sticks well to the spring material and, using a small soldering iron, it is easy to get the solder only on the very end of the spring.

@melvinfackler8282 4 года назад

Nice job- not for the faint of heart!

@naivegauge 4 года назад

Indeed, that was certainly how I felt before I tried it, but having seen what was involved I would happily do it again now. I think the key is to have a cheap second hand loco off eBay to start with, rather than something valuable and beloved!

@andystocks3252 2 года назад

I love your LMS train pulled by that engine…wish I could find a similar set…n gauge LMS from Era 3 seem very scarce!

@BerlinCardYard Год назад

Little tip: When you lay a pice of cloth in the tablett - all the small plarts and screws do not bounce away hiding in the carpet...

@naivegauge Год назад

Noted, and acted on!

@piccadillymodelrailways 4 года назад

Fantastic, I admire you having a go at getting this loco running on DCC and really hope all goes well for you. I was less successful and vowed to buy at least DCC ready :( Must tell you, your first few opening words after the intro really made me chucke Referring to your new loco from ebay “it was cheap.... and has lots of wheels’. Im watching with interest, keep it up!

@naivegauge 4 года назад

Thanks for the encouragement! I have to have a go at these things, as it is the only way I will learn. Starting with almost nothing, I need to establish some sort of foundation to build future exploits on. I was watching a video of yours recently, and it occurred to me that I had seen your layout an an exhibition earlier in the year - Basingstoke?or Alton? or Eastleigh? Very impressed with the engineering in the train lift.

@piccadillymodelrailways 4 года назад

Naive Gauge most definitely and fully agree you have to find your niche and build your own following for that. I admire you doing it as its something I cannot do. Neither of my layouts have left the house. Piccadilly was started in October / November 2018 and Piccadilly Sidings was started in the last week of March this year. Thank you for your kind words, but am more pleased because you have started your own layout and are becoming an inspiration yourself.

@roywhitgrove8058 4 года назад

Well done, a cocktail stick is useful with the springs, and perhaps a bit of blue tack on the fiddly brush.

@naivegauge 4 года назад

Thanks. As with most things, it is all about having the right tool for the job.

@AmauryJacquot 3 года назад

there's visible digital zoom around 10:00 where you're showing the loco, the issue is that we can't see much, the pixels are way too big :-(

@naivegauge 3 года назад

you are right. I have since learned to film in 4k and then do the zoom in the edit afterwards. perhaps the next time I do a digihat I will try filming it again to get some clearer footage.