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My next Mamodification ...
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H2o vapour


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PostPosted: Thu Feb 16, 2017 9:49 pm    Post subject: Reply with quote

Looking good Roly,

If you want, I'll chuck a RC receiver and servo's in, if that helps and you can use it.  

Cheers

Mark
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Roly Williams


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Location: Lambourn, Berks.

PostPosted: Thu Feb 16, 2017 10:06 pm    Post subject: Reply with quote

Thanks for the offer, Mark, but I have an old receiver and servo (if they work). The problem might be hiding them away somewhere. The obvious place is where the water tank is on the original, but that's where a gas tank is going on mine. I'm not sure there will be room for RC gear as well. It's early days, though!
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H2o vapour


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PostPosted: Thu Feb 16, 2017 10:32 pm    Post subject: Reply with quote

Most welcome Roly,

Allot of character and style to this machine, outcome should be great

Best with it

Mark
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Roly Williams


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PostPosted: Fri Feb 17, 2017 3:13 pm    Post subject: Reply with quote

OK, back on track.

Having removed the whistle and resoldered it's bush, I had a go at descaling the boiler. As can be seen in this photo:

... the sight glass was totally opaque. So, I left the boiler soaking in vinegar for an hour, and then for another hour, and it made no difference I've seen this happen before and I'm not sure what happens. After removing the sight glass, it became obvious that the problem was not scale. It wouldn't even scrape off. The plastic itself had turned opaque! I suspect it's overheating that causes it but I'm not sure. Anyway, I had a spare kit so I replaced it.


I then reassembled the boiler & firebox (repainting can wait till later). To facilitate later disassembly and reassembly, I fitted M3 rivet nuts. For the 4 fixings holding the two halves of the firebox together, I used self tapping screws because there isn't room for the rivet nuts. (I've got some nicer looking slotted screws on order.)



I cut off the rear end of the chassis:

... and made a new rear end piece using a Juneero strip, cut and bent using a genuine Juneero tool.


This is a wonderful multipurpose tool, originally sold for use by youngsters but it's an insult to call it a toy.


I think I'll have to redo that last bit because I'll probably widen the chassis by around 20mm to fit outside the rolls.
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Lee


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PostPosted: Fri Feb 17, 2017 6:07 pm    Post subject: Reply with quote

A very interesting build Roly I will be watching with interest.

Lee
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SmokingChimney


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PostPosted: Fri Feb 17, 2017 6:47 pm    Post subject: Reply with quote

Looking good. What are these rivet nuts, i havent heard of them before?
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airspyder


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PostPosted: Fri Feb 17, 2017 7:21 pm    Post subject: Reply with quote

 
Having fun watching this great thread Roly.
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Roly Williams


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PostPosted: Fri Feb 17, 2017 8:00 pm    Post subject: Reply with quote

SmokingChimney wrote:
Looking good. What are these rivet nuts, i havent heard of them before?

A cross between rivets and nuts. They attach to sheet metal in a way similar to pop rivets and will then take a screw, as if it was a hole drilled and tapped in thick metal. The advantage is that you don't need access to the back of the metal sheet.
http://www.ebay.co.uk/sch/i.html?...&_nkw=rivet+nuts&_sacat=0
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Dr. Rog


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PostPosted: Fri Feb 17, 2017 8:31 pm    Post subject: Reply with quote

 

That Juneero rig is pretty terrific. What can it do?
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Roly Williams


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PostPosted: Fri Feb 17, 2017 10:17 pm    Post subject: Reply with quote

Dr. Rog wrote:
 

That Juneero rig is pretty terrific. What can it do?

It's a sort of DIY Meccano part maker (though not to standard Meccano dimensions). Basically, it's a combined sheers, bending tool and hole punch. It can cut and bend standard Juneero strips and rods and punch holes in the strips. It bends at a (fairly) accurate 90 degrees and punches the holes (fairly) accurately in the centre of the strips. There is a separate tool for bending strips into a curved shape. There is also one for cutting a thread on the rods. (The latter is a pretty crude form of die and is pretty fragile.)

The strips are (IIRC) 3/8" wide and thinner than Meccano strips. The rods are (IIRC) 1/8" diameter. (There are no plates.) They are unpainted mild steel. There are also gears and pulleys but they are made of poor quality Mazac and don't survive very well.

The tools and parts/materials can be found on ebay.
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H2o vapour


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PostPosted: Fri Feb 17, 2017 10:25 pm    Post subject: Reply with quote

Thanks for showcasing Rivetnuts Roly, I'm going to have to get some of those in stock , they look very useful

Mark
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John Besley


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PostPosted: Fri Feb 17, 2017 10:33 pm    Post subject: Reply with quote

Love what your doing, cant wait to start my steam wagon build, once the current traction engine is finished and sold.
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andycrazy


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PostPosted: Sat Feb 18, 2017 2:59 am    Post subject: Reply with quote

You are doing a cracking job Roly,
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Dr. Rog


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PostPosted: Sat Feb 18, 2017 8:06 pm    Post subject: Reply with quote

Ta Roly, good bracket machine.
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MrMamod


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PostPosted: Sat Feb 18, 2017 8:27 pm    Post subject: Reply with quote

I got a original leaflet somewhere for the Juneero multi tool  
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