7 Plank Coal Waggon build 5" guage

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7 Plank Coal Waggon build 5" guage

Postby Dougs » Wed Mar 19, 2014 9:33 am

Hello me again :p
right a while back I was mulling the idea of building a coal waggon as a tender for my trains (when running I need somewhere to put my coal and a cup of tea ;) ) so now I am going for it!
the more I run my train the more I feel its a good idea, I know it will detract a bit from my new loco build time allowance from SHMBO but I want to do it anyway.
so this is what I am aiming for
Image
so far I have drawn up a plan on CAD and scaled the waggon to size cut the frame which I am making from Aluminium and welding together i have some wheel castings and have picked some bearings for the job and selected the size of the axles. So all in i am well sorted to get on with it.
Image
Image
I am going for modern construction with and old fascade so it will look the part but be made of new fangled things like roller bearings. :)
B-)
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Re: 7 Plank Coal Waggon build 5" guage

Postby Spitfire » Wed Mar 19, 2014 10:53 am

Dougs wrote:when running I need somewhere to put my coal and a cup of tea ;) ) so now I am going for it!
I know it will detract a bit from my new loco build time allowance from SHMBO but I want to do it anyway.


A man who knows what he wants and is prepared to suffer the wrath to do it - brave man ;) :D

Dougs wrote:I am going for modern construction with and old facade so it will look the part but be made of new fangled things like roller bearings. :)


Good idea - as long as it looks ok on the outside who cares what's inside :p :D
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Re: 7 Plank Coal Waggon build 5" guage

Postby Dougs » Thu Mar 20, 2014 12:37 pm

ok I am working quite literally from the ground up on this one
wheels first then they will be on there axles then on the frame then finally the planks and fittings etc.
that way I can be sure it will all work as designed I may yet have a play on autocad 3d and model it but that will take alot of time and I want to get on and build it rather than sit and design it to death.
I have already made a few modifications to the design to make it more simple to build I will post some pictures when I get the first few bits made. :)
B-)
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Re: 7 Plank Coal Waggon build 5" guage

Postby Spitfire » Thu Mar 20, 2014 12:54 pm

Dougs wrote: I want to get on and build it rather than sit and design it to death.


:ymapplause: :ymapplause: :ymapplause: :ymapplause: :ymapplause: :ymapplause:

If it's wrong you can always fettle it right :D :D
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Re: 7 Plank Coal Waggon build 5" guage

Postby 34053 » Thu Mar 20, 2014 1:01 pm

Looking forward to reading your Reports & Updates on this new 'Project', Dougs.

PW
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Re: 7 Plank Coal Waggon build 5" guage

Postby Dougs » Thu Mar 20, 2014 1:35 pm

Spitfire wrote:
Dougs wrote: I want to get on and build it rather than sit and design it to death.


:ymapplause: :ymapplause: :ymapplause: :ymapplause: :ymapplause: :ymapplause:

If it's wrong you can always fettle it right :D :D

:-o :-o :-o :-o
my scrap bin is already full of expensive metal I am desperate not to add to it :p

PW here is the first little snippet

the design for the axle blocks these will bolt to the frame and the axles will be clamped by them the wheels are all free running as they are fitted with roller bearings to the axle wont turn I was going to use 1/2" bar but decided it was way too chunky so I am going for 10mm bar instead.
Image
and the real thing this is just roughed out I will mill it to final size next there is a small gap between the two halves this is a washer so when I drill a 10mm hole I can remove the washer and it will clamp the bar tight.
Image
B-)
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Re: 7 Plank Coal Waggon build 5" guage

Postby Spitfire » Thu Mar 20, 2014 2:38 pm

Dougs wrote:my scrap bin is already full of expensive metal I am desperate not to add to it :p


My Dad has made about 8 Grandfather clocks... but he says there's 14 more in the scrap box :p :p

Einstein wrote:A man who has never made mistake has never tried anything new


Your scrap may come in handy for something else perhaps :p :D
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Re: 7 Plank Coal Waggon build 5" guage

Postby Dougs » Thu Mar 20, 2014 8:35 pm

Spitfire wrote:
Dougs wrote:my scrap bin is already full of expensive metal I am desperate not to add to it :p


My Dad has made about 8 Grandfather clocks... but he says there's 14 more in the scrap box :p :p

Einstein wrote:A man who has never made mistake has never tried anything new


Your scrap may come in handy for something else perhaps :p :D

funny you should mention that ;) I never throw away a scrap item you just never know!

Anyway onwards and upwards
Making good use of the new power feed on my mill
Image

The heads are recessed into the material
Image
And a before and after shot just got three more holes to drill two to fix it to the frame and one for the axle then it's all done
Image
B-)
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Re: 7 Plank Coal Waggon build 5" guage

Postby Vulcan Bomber » Thu Mar 20, 2014 10:15 pm

Oh how I wish I had as much spare time as you dougs.... you dont fancy making 40 or so wagons do you, so the 9F has something to pull...

:)
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Re: 7 Plank Coal Waggon build 5" guage

Postby Dougs » Thu Mar 20, 2014 10:35 pm

Vulcan Bomber wrote:Oh how I wish I had as much spare time as you dougs.... you dont fancy making 40 or so wagons do you, so the 9F has something to pull...

:)

Hahaha spare time ooooh noo don't say that too loud SWMBO may hear :-o :-o
And I don't think 40 will be enough for yours :p
B-)
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Re: 7 Plank Coal Waggon build 5" guage

Postby Vulcan Bomber » Thu Mar 20, 2014 11:14 pm

Dougs wrote:
Vulcan Bomber wrote:Oh how I wish I had as much spare time as you dougs.... you dont fancy making 40 or so wagons do you, so the 9F has something to pull...

:)

Hahaha spare time ooooh noo don't say that too loud SWMBO may hear :-o :-o
And I don't think 40 will be enough for yours :p



You might be right there, I cant wait to find out however much more than 40 and i'll be able to couple the tender to 1 end of the wagons and the front of the loco onto the guards wagon in 1 continuous loop! =))
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Re: 7 Plank Coal Waggon build 5" guage

Postby Spitfire » Fri Mar 21, 2014 10:44 am

Blimey some of those recess holes are CLOSE to the edge - there must be only a couple of thou of metal left :D :p
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Re: 7 Plank Coal Waggon build 5" guage

Postby Dougs » Fri Mar 21, 2014 10:06 pm

The axle brackets are all done
Image
And the subframe is dry fitted
Image
And a quick mockup to show the wheels and give a look at the scale of it
Image
And finally one of the sides
Image
This frame is going to be very strong indeed I can stand on it already and I haven't even welded it yet I am very happy with the start already I just need to order the bearings thanks to Sooty655 I have a really good supplier lined up. Once the bearings arrive I can turn the wheels and fit them then position the chassis members and weld it all up, happy days \:D/
B-)
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Re: 7 Plank Coal Waggon build 5" guage

Postby 34053 » Sat Mar 22, 2014 1:16 pm

Thanks for the Update, Dougs.

PW
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Re: 7 Plank Coal Waggon build 5" guage

Postby Dougs » Thu Mar 27, 2014 9:07 am

bit of an update on progress
ok time to make the wheels i ahve the castings so first job is to trim the back so its flat and cut a hole for the bearing. Once this is done the wheel is mounted in the chuckon a fixture to hold it while i make the wheel tread
Image
as you can see the back is already cut in this photo
Image
next i turn the treads and put a slight taper on the flat part this is to hold the wheels in the center of the rails
Image
then i glue the bearing in with some bearing retainer
Image
and a pic of the front
Image
the first set done
Image
now i can start putting it all together
i have a few holes to drill and then its time to build it :D
B-)
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Re: 7 Plank Coal Waggon build 5" guage

Postby 34053 » Thu Mar 27, 2014 11:00 am

Another great Update, Dougs. Thank you.

PW
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Re: 7 Plank Coal Waggon build 5" guage

Postby Spitfire » Thu Mar 27, 2014 7:07 pm

34053 wrote:Another great Update, Dougs. Thank you.

PW


Ditto :D
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Re: 7 Plank Coal Waggon build 5" guage

Postby Dougs » Fri Mar 28, 2014 9:42 pm

Been busy machining
Made some axles
Image
And a rolling chassis
Image
Image
That's the working bit all sorted now it's all window dressing :D
B-)
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Re: 7 Plank Coal Waggon build 5" guage

Postby 34053 » Sat Mar 29, 2014 9:43 pm

Rolling Chassis stage. Great! Thank you, Dougs.

PW
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Re: 7 Plank Coal Waggon build 5" guage

Postby Dougs » Thu Apr 03, 2014 8:19 am

a Small update ;
I took the rolling chassis to the track to test it out and found a small but significant problem, the rails are not totally flat which is no big supprise as the same is true in full size what this means for the truck though is because all four wheels are fixed and the two axles are fixed rigid when you get to a bump one wheel comes off the track alot like a chair on an uneven floor this is obviously bad as i may spill my tea! so, I ave a plan :ymblushing: the propper way to do this is to put springs on all four corners and i am thinking more from an engineering persective that I will try something a little simpler, if i remove one axle and make a pivot bracket for it in the middle of the axle it will alow one axle to twist in relation to the other this will make a three point contact (thinking milkmaids stool) so it will allow travel over rough rails without leaving the tracks.
B-)
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Re: 7 Plank Coal Waggon build 5" guage

Postby Spitfire » Thu Apr 03, 2014 9:35 am

Fettlin' at it's best .... Adopt Adapt Improve (For those who've been in Round Table :D )

Love it ... there's always a solution to a true fettler :p ;)
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