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O Gauge Mamod Locomotive Conversions
Something you do not see much of in 'Mamodification' circles is conversion of the Mamod loco into something akin to an O Gauge type model.

There has been one very nice exception to this and that was a model that was once owned by 'Mr DreamSteam' Alan Dunster. When he parted with some of his extensive collection of Mamod loco's, one of the models to go was this very nice and unique Mamod based Stanier 2-6-4 tank loco:



The model did end up being discussed on the boards as the person who purchased it from Alan (via ebay auction) was a really nice chap call Edd (sundiesel):

http://modelsteam.myfreeforum.org/about52492.html

Sadly Edd passed away in early 2015 so I do not know what has become of this engine.

That leads me on to this next model. Alan did have another O Gauge type Mamod conversion and I was able to purchase it from him directly (way back in January 2015). Alan was not sure if this loco was an earlier attempt at an O Gauge conversion by the same maker as the Stanier. This can not be sure. It certainly was not up to the same build standard of the 2-6-4. Here are some pictures of the model as it was when Alan sold it to me:









When I received the model I found that the boiler was leaking under steam as it had a loose steam whistle insert. Also the wheels were loose on the axles so they had to go. The body work was hand painted and looked a little rough so a repaint was in order. At the same time I could swap out the boiler for a better one that is steam tight and sort a meths burner for it.

As I am thinning out my collection it now comes to this one as I may now be selling it. Before I do decide on that I wanted to share some pictures of how the loco is now. The rear cab of the original was very rough and it still looks a bit crude. This of course is hardly noticeable when watching this lovely little engine going round a loop of track at ground level in my back garden!!

Anyway - here are some pictures of what I guess is an approximation of a Kerr Stuart ‘Victory’ class loco with some wheels missing     :











The main frames and side tank body work is powder coated satin black. The rest has been brush painted as it is soldered together and quite thin brass / tin. I decided to put some of the BR lion crests on it (because I like them). I have also added a scale driver to the cab which I think sets the loco off nicely (pun intended ). The buffers a nice as they are spring loaded and so work as they should. The roof lifts off so that you can refuel with meths. The SV is standard so no trouble with boiler filling as Mamod intended. The whistle does work but of course no handle - otherwise it would have just looked weird  
O Gauge Mamod Locomotive Conversions
Looks really nice SB.  
O Gauge Mamod Locomotive Conversions
Interesting stuff, thanks for sharing!

One question, though; what's going on with the top of the chimney on the 0-4-0?
O Gauge Mamod Locomotive Conversions
The Stanier is beautiful!

SLR wrote:
Interesting stuff, thanks for sharing!

One question, though; what's going on with the top of the chimney on the 0-4-0?


Both 0-4-0 have them, maybe it's to avoid rain entering the chimney... like the hinged flaps on old diesel engine exhausts.  
O Gauge Mamod Locomotive Conversions
pitchy wrote:
Looks really nice SB.  


Thanks Lenn

SLR wrote:
Interesting stuff, thanks for sharing!

One question, though; what's going on with the top of the chimney on the 0-4-0?


Hi SLR - it's a brass insert with a smaller hole in it that just sits in the chimney - I guess it creates a bit of back pressure. When I got the loco it was glued in but I have since made it so you can run with or without it. I will have to sort a video - hopefully tomorrow if the weather is OK and I have time.

The Denying Dutchman wrote:
The Stanier is beautiful!

SLR wrote:
Interesting stuff, thanks for sharing!

One question, though; what's going on with the top of the chimney on the 0-4-0?


Both 0-4-0 have them, maybe it's to avoid rain entering the chimney... like the hinged flaps on old diesel engine exhausts.  


I agree - that Stanier is impressive. Good thinking with the chimney cap. The burgundy loco and the black loco are the same engine
O Gauge Mamod Locomotive Conversions
The Denying Dutchman wrote:
The Stanier is beautiful!


Edd and I exchanged PM's early in 2015 and he said that he had converted the Stanier to gas firing and was getting some good runs out it. I am pleased he got the engine and had chance to enjoy running it.
O Gauge Mamod Locomotive Conversions
An outdoor shot:

O Gauge Mamod Locomotive Conversions
I did not have too much success running the O Gauge Mamod today - it was so windy and I had some near misses with almost de-railing due to the slope on my patio. Rather than damage the loco I decided to run it inside. I did catch a very short bit of video and you will have to take my word for it for the moment that the loco does run nicely. Anyway a short video will follow in the next post.
O Gauge Mamod Locomotive Conversions


I fitted a new standard Mamod Safety Valve and Whistle part and it's really steam tight and runs great. Hopefully I can set my track out better on a day when it is less windy and take some better video.
O Gauge Mamod Locomotive Conversions
superbiker_uk wrote:


I fitted a new standard Mamod Safety Valve and Whistle part and it's really steam tight and runs great. Hopefully I can set my track out better on a day when it is less windy and take some better video.


Edge-of the-seat stuff, that video!   Especially the part where the loco went onto two wheels    Thought you might be in for another repaint there for a moment!

Thanks for the info regarding the chimney insert; I had guessed as much, but wondered if there might be more to it. Funnily enough, I'm about to do a similar thing on one of my project locos - I guess there's nothing new in this game, eh?
O Gauge Mamod Locomotive Conversions
Some People (not from this Forum) say that a stock SL 1 Looks a bit weird. We all love them for what they are, but all the critcs can shut up now seeing that a bit of ingenuity makes really great engine out of a plain engine like an SL1. I too own a sort of SL1 conversion made by Roy Wood. His Janet is a proof for how much of enthusiasm and Knowhow is needed to make an excellent convesrsion. I pull off my hat when it Comes to such nice engines shown here: Great workmanship and a lot of thought are invested.

cheers Joe
O Gauge Mamod Locomotive Conversions
dampfmaschinenjoe 1967 wrote:
Some People (not from this Forum) say that a stock SL 1 Looks a bit weird. We all love them for what they are, but all the critcs can shut up now seeing that a bit of ingenuity makes really great engine out of a plain engine like an SL1. I too own a sort of SL1 conversion made by Roy Wood. His Janet is a proof for how much of enthusiasm and Knowhow is needed to make an excellent convesrsion. I pull off my hat when it Comes to such nice engines shown here: Great workmanship and a lot of thought are invested.

cheers Joe


Thanks Joe - I 100% agree - the original Mamod loco is a great engine and probably the most modifiable mass produced steam engine ever made
O Gauge Mamod Locomotive Conversions
Here is another short (slightly better) video of my O Gauge Kerr Stuart Victory styled Mamod. This time featuring Merlin the cat - he is 19 years old and to be honest he wasn't that impressed  

O Gauge Mamod Locomotive Conversions
Very interesting Peter. Thank You for sharing these unique locos.

Chris Cairns
O Gauge Mamod Locomotive Conversions
SLR wrote:
Thanks for the info regarding the chimney insert; I had guessed as much, but wondered if there might be more to it. Funnily enough, I'm about to do a similar thing on one of my project locos - I guess there's nothing new in this game, eh?


I just remembered that there is some information about Mamod exhaust control here: http://www.hglw.co.uk/Mamod%20Exhaust%20Control.pdf

and some images of a device here http://www.hglw.co.uk/Mamod%20Exhaust%20Control%20Photos.pdf
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