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Making an Articulated loco from a Newquida loco
Posted: Sat Apr 18, 2020 9:05 am
by GAP
I have this Newquida loco that just doesn't fit in with my theme so it's really is quite useless, for a while I have been kicking around an idea of making a Garret style loco out of it.
After a bit of mucking around I have come up with this idea that may just work. Its a tank engine but Mallet style very loosely based on a Swiss tank Mallet.

- Swiss Tank Mallet.jpg (50.52 KiB) Viewed 10201 times
It is at the concept stage but I plan to use 2 Stainz motion works under it (I have a few Stainz that again do not fit into the theme).

- Tank Mallet Concept.JPG (86 KiB) Viewed 10201 times

- Tank Mallet Concept 1.JPG (81.06 KiB) Viewed 10201 times
Any thoughts/suggestions/experiences about how to mount the motion works particularly how to allow them to swivel?
Re: What to do with a Newquida loco
Posted: Sat Apr 18, 2020 9:51 am
by Jimmyb
Andrew, are those "clam shell" motor blocks.
Re: What to do with a Newquida loco
Posted: Sat Apr 18, 2020 10:43 pm
by GAP
Somebody kindly cropped my picture for me, it gives a better view of what I am planning.

- Tank Mallet Cropped.jpg (79.58 KiB) Viewed 10152 times
Re: What to do with a Newquida loco
Posted: Sat Apr 18, 2020 10:45 pm
by GAP
Jimmyb wrote: Sat Apr 18, 2020 9:51 am
Andrew, are those "clam shell" motor blocks.
They most certainly are, from 2 LGB Stainz, and after just opening one up and re assembling it I will not be opening either of them again if I can help it. Although I may be forced to, to get the weight off of the rear one
Edit;
I was forced to separate the 2 sides to remove the weight, so while it was open I soldered wires directly to the motor and removed all the brass contacts as this is going to be battery R/C.
Some interesting observations I made while doing this are to be found here.
https://www.gscalecentral.net/threads/d ... ost-588146
Still struggling with how I am going to add pivot points to the motor blacks as nothing seems to want to stick the the plastic even when I use "Plastic Magic" which sticks almost everything.
Re: What to do with a Newquida loco
Posted: Sun Apr 19, 2020 8:34 am
by Puddlejumper
I don’t know if you’ve already tried it but I’ve had success with Butanone when gluing ABS type plastics.
Re: What to do with a Newquida loco
Posted: Sun Apr 19, 2020 10:57 am
by Jimmyb
If the plastic of of the polythene family, very little, if anything will adhere to it, I have found that the only real solution when dealing with polythene products is to provide mechanical fixings, i.e. nut, bolts and screws.
Re: What to do with a Newquida loco
Posted: Sun Apr 19, 2020 10:55 pm
by GAP
Puddlejumper wrote: Sun Apr 19, 2020 8:34 am
I don’t know if you’ve already tried it but I’ve had success with Butanone when gluing ABS type plastics.
Never thought of using MEK might give it a go I do have some.
Re: What to do with a Newquida loco
Posted: Sun Apr 19, 2020 10:56 pm
by GAP
Jimmyb wrote: Sun Apr 19, 2020 10:57 am
If the plastic of of the polythene family, very little, if anything will adhere to it, I have found that the only real solution when dealing with polythene products is to provide mechanical fixings, i.e. nut, bolts and screws.
Yeah that the way I am heading I think, maybe some sort of contact cement may work or the suggested MEK to add some extra strength.
Making an Articulated loco from a Newquida loco
Posted: Sun Apr 19, 2020 10:58 pm
by GAP
After having another look a Garret type engine is back in the mix, I am just procrastinating with this one.
The making the pivots is the biggest sticking point.
Re: Making an Articulated loco from a Newquida loco
Posted: Mon Apr 20, 2020 9:24 am
by Jimmyb
GAP wrote: Sun Apr 19, 2020 10:58 pm
The making the pivots is the biggest sticking point.
Or isn't sticking point

Re: Making an Articulated loco from a Newquida loco
Posted: Mon Apr 20, 2020 10:09 am
by ge_rik
If all else fails, you could try Plastic Magic from Deluxe. It's a bit more expensive but I've found it bonds the harder plastics which LGB etc use in their models.
Rik
Re: Making an Articulated loco from a Newquida loco
Posted: Mon Apr 20, 2020 11:02 am
by GAP
I have tried "Plastic Magic" it has worked on all the other LGB plastic but on the stuff motor blocks are made of nothing will stick styrene to it.
I even tried MEK which melts any plastic known to man but nothing.
I am going to resort to drilling holes and screwing a plate onto the top of the block.
On another note I am now looking again at a Garret type of loco, it's procrastination city in the shed at the moment. Picture of a mock up below.

- Garret mock up 2.JPG (97.93 KiB) Viewed 10024 times
Re: Making an Articulated loco from a Newquida loco
Posted: Thu Apr 23, 2020 10:01 pm
by GAP
After much procrastination I decided to go with the Garret style for my articulated loco.
Progress so far;
1. Cut the coal bunker and side tanks off the Newquida loco.
2. Cut the back wall of the cabin off
3. Made a bottom for the boiler from a piece of 60mm PVC plumbing pipe
4. Cut a slope back tender up to make the front tank
5. Cut the water tank part off an LGB tender (from a "Shorty" loco)
All the components have been glued together (used Plastic Magic) and are now waiting for the gaps to be filled then sanded/filed smooth
Below are some pictures

- Garret Boiler new lower section.JPG (64.25 KiB) Viewed 9966 times

- Garret front tank cut and shunt.JPG (83.68 KiB) Viewed 9966 times

- Garret front tank top view.JPG (71.79 KiB) Viewed 9966 times

- Garret Tender cut and shunt.JPG (57.33 KiB) Viewed 9966 times

- Garret components.JPG (87.14 KiB) Viewed 9966 times
Re: Making an Articulated loco from a Newquida loco
Posted: Fri Apr 24, 2020 8:36 am
by Andrew
Wow, that's going to be a very fine looking beast! Impressive ingenuity - or engine-uity, perhaps? Looking forward to seeing more...
All the best,
Andrew.
Re: Making an Articulated loco from a Newquida loco
Posted: Fri Apr 24, 2020 10:01 am
by GAP
When I sanded back the boiler bottom and started to blend it into the top I found that this was going to be a very long process, so instead of sitting for weeks filing a piece of PVC pipe to get it perfectly round again trying to get it look OK I have decided to put walkways along the join to hide the blending a bit.
The LGB "Shorty" has again given up some of its parts.
So far the body count for this build is;
2 Stainz
A Newquida loco
An Aristocraft "Rogers" slope back tender
An LGB "Shorty loco and tender.
This construction brought to you by the Ben Hur Construction Co a division of RAGS Co (Rough As Guts) and CO-VID 19 lockdown.
So much spare time so small a number of projects to do.