Andy's 4"dcc road loco

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Andy's 4"dcc road loco

Post  the coleman on Sun 19 Aug 2012, 2:02 pm



Last edited by the coleman on Mon 20 May 2013, 10:41 am; edited 2 times in total (Reason for editing : Change title)

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Re: Andy's 4"dcc road loco

Post  lynnr on Sun 19 Aug 2012, 8:58 pm

Looks very nice. Road loco I am guessing?

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Re: Andy's 4"dcc road loco

Post  the coleman on Mon 20 Aug 2012, 10:10 am

Thanks lynn .Yes another road loco Very Happy

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Re: Andy's 4"dcc road loco

Post  lynnr on Fri 04 Jan 2013, 2:29 am

How's the progress going?

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Re: Andy's 4"dcc road loco

Post  the coleman on Fri 04 Jan 2013, 7:46 am

Hi lynn .Progess is good just painted the crank / eccentrics and in the middle of painting the cladding. All the motion now plated . Might wait until I get the water pump before fitting crank for the final time?. Cylinder all bolted down and expansion links fitted .What with Christmas and now I'm ill it's been nearly two and half weeks .il post some pictures up later when feeling better. Here's a couple of the crank.

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Re: Andy's 4"dcc road loco

Post  Kevster on Fri 04 Jan 2013, 8:42 am

Another fine road loco emerging.

lovely paint finish, how do you get such a great finish with not a sign of a spec of dust in the paint?

Kev

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Re: Andy's 4"dcc road loco

Post  the coleman on Fri 04 Jan 2013, 8:47 am

I spend 14 years repairing cars and spraying . It all in the prep work and all sprayed in a polly tunnel in the garden

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Re: Andy's 4"dcc road loco

Post  Tony King on Fri 04 Jan 2013, 9:46 am

That crank looks like its been glazed in glass.... Beautiful.... I'm totally envious!!
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Tony

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Re: Andy's 4"dcc road loco

Post  highpressure on Fri 04 Jan 2013, 9:47 am

Trust me wait till you see the finish on the engine itself, sickening but in a good way Very Happy . Like Tony's and Tim's it's a pity to light a fire in some, they will never look as good as they do before that first session. However it will be a top grade engine and this year will be running!!!!! Very Happy Roll on August or so.

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Re: Andy's 4"dcc road loco

Post  the coleman on Fri 04 Jan 2013, 9:55 am

The paint is craft master bright red with a small amount of thinners for spraying . It's not varnished

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Re: Andy's 4"dcc road loco

Post  craig@STW on Fri 04 Jan 2013, 10:42 am

yeah, nice paint work Cool i always say, 50% of the quality of these models is our work and the rest is done by the customer Cool Cool

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Re: Andy's 4"dcc road loco

Post  the coleman on Fri 04 Jan 2013, 10:45 am

[img:258b]http://i658.photobucket.com/albums/uu309/andy08_2009/Photo0101_zps8be034a6.jpg[/IMG
Couple of pictures before painting

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Gears

Post  the coleman on Sun 10 Feb 2013, 1:16 am

Been playing with the gears Still got to do mod on 3rd gear hub. Also I found the holes on uj hub slightly out Which was making the 2nd gear shaft wobble but all sorted now. It's started to come together now.





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Re: Andy's 4"dcc road loco

Post  lynnr on Sun 10 Feb 2013, 1:25 am

Does the boss on 2nd crank interfere with 1st second shaft?

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Re: Andy's 4"dcc road loco

Post  the coleman on Sun 10 Feb 2013, 1:29 am

No but it's dame close im going to take off 0.5mm in the lathe .

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Re: Andy's 4"dcc road loco

Post  bjwlancashire on Mon 11 Feb 2013, 3:44 am

the coleman wrote:No but it's dame close im going to take off 0.5mm in the lathe .

Yep, done that one too.

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Re: Andy's 4"dcc road loco

Post  bjwlancashire on Mon 11 Feb 2013, 3:51 am

Sorry for not looking at your thread sooner but I have been a bit pre-occupied with blackbeard for the last few weeks - for good reason.

Regarding the painted crank which does look fabulous may I add, I see the paint is ctually on the big end bearing area. Assuming it is masked how thick is the paint? I had mine powder coated and the thickness interfered with the big end bearing fit as it is very snug between the crank webs, or was on mine. I spent quite a while cuting it away and then still had to polish the sides of the bearing down a bit with some emery on a flat surface on the high points to get the shells in between the webs. All very tidy now but nerve wracking working with the knife and a scraper on the coating.

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Re: Andy's 4"dcc road loco

Post  the coleman on Mon 11 Feb 2013, 9:09 am

Not sure on thickness of paint but it's thinner at the big end and thicker at top but only just. Might have to use 1200 wet/dry on sides of bearing. sorry yes big ends where mask and i took the masking tape off when the paint was still wet as not to leave a hard edge .

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Re: Andy's 4"dcc road loco

Post  the coleman on Tue 12 Feb 2013, 10:21 am

Thought I would treat the gears . Will post more pictures when on the engine.








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Re: Andy's 4"dcc road loco

Post  lynnr on Tue 12 Feb 2013, 10:35 am

Looking very posh!

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Re: Andy's 4"dcc road loco

Post  Tony King on Tue 12 Feb 2013, 10:59 am

Are the gears plated?.... As Lynn says, "very posh" Very Happy
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Tony

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Re: Andy's 4"dcc road loco

Post  the coleman on Tue 12 Feb 2013, 11:06 am

No there chemical black and it was done professionally . Drop them yesterday at 5pm and they where ready today at 4.30pm .

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Re: Andy's 4"dcc road loco

Post  bjwlancashire on Tue 12 Feb 2013, 11:46 am

Wow, they do look nice. I assume as the teeth rub together and wear they will shine up a bit. I should have done that for Blackbeard.

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Re: Andy's 4"dcc road loco

Post  IanL on Tue 12 Feb 2013, 12:23 pm

Wow I like that I have used the frost blacking kit on smaller components but these look wonderfull should also avoid clearance issues found with paint.

Ian

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Re: Andy's 4"dcc road loco

Post  the coleman on Tue 12 Feb 2013, 12:59 pm

Gears fitted just the second shaft to fit and uj hub. Sorry about poor picture crap lighting in workshop for taking pictures.






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Re: Andy's 4"dcc road loco

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