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3 1/2" electric

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michael burton 119/12/2011 19:14:53
126 forum posts
32 photos
hello all iv been a suscriber of model engineer for some while now and been building a battery loco for about 6 months based around a tich chassis, im wondering why is electric loco's not really modeled in this scale? iv nearlly finished my project just currently waiting for some sheet meterail to make the roof and bonnet, it has a 300 watt motor and runs on 24volts amazeing what you can fit around a tich chassis this is the biggest enjoyment for me squezing to big off equipment in to something to small,
 
has any one else on here done a battery loco in this gauge i will upload some pictures very shortly im very pleased with the power this has and hapilly pulls my-self and my wife at over 30 stone with the throttle barelly open and on 12v so when running on the full 24 volts i thinks it will be quite a powerfull little model
AndyP19/12/2011 19:42:34
189 forum posts
30 photos
Hi Michael,
 
Like this you mean

Built it for my grand-daughter but it's more fun than it has any right to be, currently still refusing to paint it pink There are a few more photos in my album.
 
Andy
michael burton 120/12/2011 00:13:10
126 forum posts
32 photos
hi andy many thanks for the reply i was very happy to see anoughter electric model in this gauge i know you do get the odd one but there very little info on them il have some pictures up off my model in short time, would like to hear from other members if they have built a model like this
 
many thanks mike
Stub Mandrel20/12/2011 16:35:57
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4318 forum posts
291 photos
1 articles
Hi
 
I'm making a tiny shunter in 3 1/2" gauge too - when my lathe is fully functional again!
 

 
A few more (bad) pictures in my album.
 
Neil
Brian Dickinson20/12/2011 18:08:24
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62 forum posts
13 photos
Are you making it from drawings?
Stub Mandrel20/12/2011 19:09:21
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4318 forum posts
291 photos
1 articles
Sort of - basic drawings in Corel Draw made by scaling off of photos.
 
Neil
Stub Mandrel18/08/2012 22:11:03
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4318 forum posts
291 photos
1 articles

Update! As mentioned elsewhere, mine pulled 28 stone on 12V 80W motor

Lack of adhesion meant we had a slight assist at teh start.

Neil

Bazyle18/08/2012 23:31:39
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6956 forum posts
229 photos

In answer to your initial question I think until recently (20 yrs) standard car batteries were too big to fit in the smaller body of a 3 1/2 loco. Even in 5 inch a Class 08 needs a modern small width car battery. By the time the batteries got small enough everyone had started building 5 inch (steam) locos anyway.

Clive Hartland19/08/2012 08:12:24
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2929 forum posts
41 photos

Perhaps this is a way to get past all the boiler regs. go electric with electronic sound effects. Now there is a thought.

Is it possible a new class of Loco with electric propulsion hitting the rails, the boiler is a big prpoblem for modellers with small workshops and at the moment the boiler I need is over £1300 and the time scale is now 9 months.

At that cost and time scale I could well electrify the steam loco, what do you think ?

I am after all a realist, not a purist.

Clive

Steambuff19/08/2012 17:39:05
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544 forum posts
8 photos

Neil, Andy .... wot about a construction article for ME (With drawings etc)

I would like a 3 1/2 electric, so I can run while I am building my steamer (and waiting for the boiler)

Dave

Stub Mandrel20/08/2012 20:50:19
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4318 forum posts
291 photos
1 articles

Hi Dave,

I exchanged emails with David Clark a couple of months back and he's interested in an article on D604. I have drawings, but they are working ones I need to tidy up and dimension, a fair chunk of text..

I don't plan to do an absolute beginner's article, I will aim it at folks with basic turning and milling skills. This means not many photos of setups, mostly of components and stages in the build.

I spent about £100, but that was with a donated motor and batteries (from a fire alarm) and the luck of a big sheet of ~1mm brass in stock for the platework.

problem is I got distracted from finishing the windows on Sunday, and ended up drawing out a general arrangement for D707 and 0-6-0 in 7 1/4" gauge. My working name is "The Beast"

Neil

Steambuff20/08/2012 21:43:28
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544 forum posts
8 photos

I look forward to seeing it

michael burton 107/09/2012 13:39:57
126 forum posts
32 photos

hi all first post a long ol time......... good to c my post is still alive, iv jus got my 3 1/2" electric back down from the shelf to finish............... its now become a very personal and emotional build i lost my nan to a very intense cancer in january and this loco is being named after her as it was my nan who allways took me to the minuture railway and sparked my interest in this subject so now im on a mission to complete the model and name her Mavis,

il get sum pics of the finished model up as soon as its done

atb mikey

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