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Author Topic: apt  (Read 27537 times)

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Offline MikeDunn

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Re: apt
« Reply #30 on: March 21, 2013, 08:39:15 AM »
just working through each vehicle in the 7 car set
Errr ...... while this stuff ain't my cup-o-tea, I did visit the APT-E the other week and I'm sure that the blurb there said that the APT was an 8-car set ?  As such, their APT was incomplete because the missing car (a power car I think) had been 'nicked' into the National Collection ?

Mike

Offline pape_timmo

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Re: apt
« Reply #31 on: March 21, 2013, 08:49:17 AM »
The APT-E was a 4 car set,gas turbine driven power car either end of two trailer cars, which I believe is as displayed at Shildon. The APT-P was various formations depending what testing was being carried out, and was formed of half sets, with the electric power car or cars in the middle. One of these power cars is in the national collection, and a 6(I think) vehicle formation is on display at Railway Age Crewe.

Hope this helps. Cheers Timmo
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Offline MikeDunn

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Re: apt
« Reply #32 on: March 21, 2013, 09:00:36 AM »
I said it wasn't my cup-o-tea  :P

Offline scorpion_1925

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Re: apt
« Reply #33 on: March 21, 2013, 11:47:35 PM »
(Sorry, but you are not allowed to access the gallery)

still a long way to go

Offline Pengi

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Re: apt
« Reply #34 on: March 22, 2013, 06:26:32 AM »
Looking good
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Offline Klink

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Re: apt
« Reply #35 on: March 24, 2013, 04:01:58 AM »
 Very nice! Id definately love a set of.these.

the gas turbine set has always been my favourite, a film of it on a test was ona video I had as a lad (and have the dvd of now!)
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Offline scorpion_1925

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Re: apt
« Reply #36 on: March 30, 2013, 04:14:42 PM »
(Sorry, but you are not allowed to access the gallery)

(Sorry, but you are not allowed to access the gallery)

a bit more work on apt-p

Offline Tank

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Re: apt
« Reply #37 on: April 01, 2013, 11:23:02 AM »
Great work.  :)  I wonder what price a full train will work out as?! :o :)

Offline scorpion_1925

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Re: apt
« Reply #38 on: April 08, 2013, 10:07:16 PM »
(Sorry, but you are not allowed to access the gallery)

TBF showing both the BT11 and BT12 bogies, i would have liked a little more surface detail on the bogies but i am not sure of the limits of the printing process

Offline EtchedPixels

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Re: apt
« Reply #39 on: April 08, 2013, 10:13:53 PM »
WSF limit for detail is about 0.3mm and the wall thickness is 0.7mm or better (nearer 1mm if you plan it to be polished). With standard axles that creates a bit of a problem because even with the pin points in the material (which does work unlike with the frosted ultra detail) you end up with a bogie thats approaching 17mm wide with the detail on top.

Frosted Ultra Detail you need bearings and the wall thickness isn't much different for a structural case but you get detail down to about 0.1mm.

The APT built out of Mark 4 coaches was done by sawing the pairs of existing bogies up to get a long bogie. Unfortunately Bachmann don't sell the bogies on their own in N scale despite people asking them to do so for some years now.
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Offline scorpion_1925

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Re: apt
« Reply #40 on: April 08, 2013, 11:59:53 PM »
Thank you

I guess at a rough viewing distance of 0.5 metres and at a scale 100 mph plus the lack of detail won't be too noticeable, can always glue more on by hand.

Just two challenges left, a power chassis and the complex curves of the nose end

Offline AndyGif

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Re: apt
« Reply #41 on: April 09, 2013, 10:52:46 AM »
Thank you

I guess at a rough viewing distance of 0.5 metres and at a scale 100 mph plus the lack of detail won't be too noticeable, can always glue more on by hand.

Just two challenges left, a power chassis and the complex curves of the nose end

how about using Autodesk 3D catch, if someone is prepared to go photograph the hell out  of it, and then spend time cleaning up the 3d mesh from the capture?

Offline scorpion_1925

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Re: apt
« Reply #42 on: April 15, 2013, 10:57:11 PM »
(Sorry, but you are not allowed to access the gallery)

a little more work on the apt

Offline Mr.Grumpy

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Re: apt
« Reply #43 on: April 16, 2013, 01:56:15 PM »
I'm a huge fan of the work you've done so far.  I have a question - have you factored in removable roofs (akin to what you would get on a normal N MK4 coach say) or are the internals of your carriages accessible from the underside?
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Offline EtchedPixels

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Re: apt
« Reply #44 on: April 16, 2013, 02:06:53 PM »
Good progress. There's one small error by the look of it - the inward taper towards the ends you have on the power car is also present on the vehicle ends adjacent (those with a full bogie)

Alan
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