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Author Topic: Green Max EMU/DMU chassis  (Read 403 times)

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Offline B757-236GT

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Green Max EMU/DMU chassis
« on: September 22, 2019, 09:40:38 AM »
I'm looking at some Green Max chassis to power some UK stuff due to their price and they quality and them being low height. I'm looking at part number 5716 as it seems to be the correct length however does anyone know what the wheel spacing is as i have one which is to short for an n gauge mk1 bogie. Has anyone got a 5716 that can advise. I would prefer not to go down the Farish 158/170 route as they aren't great runners and need to be hacked up quite a lot and also aren't very cheap to get hold of.

Any ideas people?

Richard
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Offline ntpntpntp

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Re: Green Max EMU/DMU chassis
« Reply #1 on: September 22, 2019, 10:17:16 AM »
Seems to be a problem with quite a few Japanese chassis, in that the wheelbase can be quite short and doesn't suit our UK models.

A while ago I came across this handy page which goes into detail of many of the Tomytec chassis and also lists some of the Greemax and Kato chassis ,but sadly doesn't mention the Greenmax 5716

http://www.trainweb.org/tomix/chassis_dim.htm
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Online Bob G

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Re: Green Max EMU/DMU chassis
« Reply #2 on: September 22, 2019, 11:13:25 AM »
I found the DT-10 / 556 / 5556 chassis was closest to SR 8' bogie for bogie wheel spacing, but these are now as rare as rocking horse poo.

Bob

Offline Papyrus

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Re: Green Max EMU/DMU chassis
« Reply #3 on: September 22, 2019, 12:34:30 PM »
Seems to be a problem with quite a few Japanese chassis, in that the wheelbase can be quite short and doesn't suit our UK models.

Yerse... I bought a Greenmax chassis to go under a Class 105 DMU kit and I didn't find out about the short wheelbase until I started to think about building it. So I either use it anyway and accept that it will look wrong, or I've got a chassis I can't use. I should imagine stretching the bogies is out of the question.

Cheers,

Chris

Later: I may have solved part of my problem. It would appear the Greenmax chassis is a sufficiently close match, including the bogie wheelbase, for the LNER Sentinel railcar, as per the Langley kit. The Sentinel railcar is only marginally relevant to my layout's location and era, but that's what Rule 1 is for. Now all I need to do is find a suitable chassis for the class 105.
« Last Edit: September 22, 2019, 04:32:26 PM by Papyrus, Reason: Added a bit »
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Offline ntpntpntp

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Re: Green Max EMU/DMU chassis
« Reply #4 on: September 22, 2019, 01:25:33 PM »
Some years ago I needed to fit a different chassis under an Arnold ICE 3.  I used the centre power car chassis from a Tomix Shinkansen #2822 I'd picked up cheap at a show in Chatham (not THE Chatham show  :no: )   This chassis had bogies with a reasonable matched wheelbase to the Arnold originals.



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Offline tunneroner61

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Re: Green Max EMU/DMU chassis
« Reply #5 on: September 29, 2019, 10:59:01 AM »
Richard,

I have a couple of 5716 chassis spare. They have been test run only.
Dimensions for 5716 are:

Length over chassis 122mm
Length over couplers 144mm
Bogie centres 92mm
Axle spacing 16.5mm

They are called a 20m chassis on the box.

I've since found that the 5712 21m chassis is probably a better fit for a Mk1 coach to DMU conversion.
Dimensions for the 5712 are:

Length over chassis 129m
Length over couplers 148mm
Bogie centres 96mm
Axle spacing 13.5mm

A Chinese Farish Mk1 coach (not the latest blue riband I would add) dimensions are:

Bogie centres 96.5mm
Axle spacing 18mm

So the 5716 bogies are closer to Mk1 axle spacing, while the 5712 have a good match for the bogie centres.
Maybe a mix'n'match of 5712 chassis with 5716 bogies is the best solution.

Apologies for delay in replying
HTH Norman

Offline PostModN66

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Re: Green Max EMU/DMU chassis
« Reply #6 on: September 30, 2019, 04:01:46 PM »
I used a Green Max No.5512 which is described as "21m" for my class 304.

The following thread may be of interest (but note I originally intended to use the Greenmax chassis for my 325 and a 158 chassis for the 304 until I discovered the error of my ways and swapped them over).

https://www.ngaugeforum.co.uk/SMFN/index.php?topic=32029.msg366525#msg366525\

This is a comparison of the cut-down 158 chassis and the 5512



Here is the 304 though obviously you can't see the chassis properly (in the power car).  It is really nice fit apart from the too-short bogie wheelbase.

 

Something seems to have gone wrong with the images.....not sure what.....they're both in the above thread...


Cheers Jon  :)
« Last Edit: September 30, 2019, 04:09:47 PM by PostModN66 »
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Offline nharding99

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Re: Green Max EMU/DMU chassis
« Reply #7 on: October 02, 2019, 08:58:48 PM »
Here's another idea, I'm using a Dapol Class 122 chassis for an EMU that I'm working on. It's a perfect length for a Mark 1 coach body and the mechanism is low. It is also fitted with a 6 pin DCC socket which is convenient for my requirements. In my case this will be a pantograph car (Motor Brake Second) for a class 304. The motor detail will be removed and covered up with my attempts to model a rectifier and various other battery boxes. Early days but photo below...




Offline tunneroner61

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Re: Green Max EMU/DMU chassis
« Reply #8 on: October 02, 2019, 09:21:35 PM »
Yes using one of the Dapol 121/122 chassis is a good idea, especially for a DMU as you have all the gubbins underneath done for you. However for me the down side is the cost of the Dapol DMU even secondhand seems to be greater than £100. Dapol don't do separate chassis, but you can sell the body I suppose and recoup some money. The Greenmax chassis I got from Japan cost £27 including postage and taxes - no brainer for me as I am happy to do the work to fit it to the coach shell and add the underframe details.

Norman

Offline nharding99

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Re: Green Max EMU/DMU chassis
« Reply #9 on: October 02, 2019, 10:52:49 PM »
I can't remember exactly how much I paid, £90-£100 directly from Dapol at TINGS so it is a new one. As you say, it has a price but having a chassis that is DCC ready is important to me.

Will there be a thread to see the development of your 304? I'd like to see that.

All the Best
Nigel

Offline tunneroner61

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Re: Green Max EMU/DMU chassis
« Reply #10 on: October 03, 2019, 09:11:50 AM »
The 304 thread is by Jon @PostModN66. He's already put in a link https://www.ngaugeforum.co.uk/SMFN/index.php?topic=32029.msg366525#msg366525\

I'm doing (very slowly) a Class 120 and 123 DMUs using Electra vinyls. I'm not one for posting threads on my modelling activities. There might be some pictures at the end.

Norman

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Re: Green Max EMU/DMU chassis
« Reply #11 on: October 03, 2019, 09:29:59 AM »
Jon's article is very informative and worth a read. Norman. Look forward to progress on the dmu, chris

Offline PostModN66

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Re: Green Max EMU/DMU chassis
« Reply #12 on: October 04, 2019, 08:27:14 AM »
For anyone interested, the thread about the parallel building of a 323 and a 304 is here:

https://www.ngaugeforum.co.uk/SMFN/index.php?topic=23530.0

And the 325 is here:

https://www.ngaugeforum.co.uk/SMFN/index.php?topic=34823.0

I used the Greenmax chassis for the 304 and the cut-down 158/170 chassis on the other two

Cheers Jon  :)
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Re: Green Max EMU/DMU chassis
« Reply #13 on: October 04, 2019, 08:49:56 AM »
Thanks jon. Who stocks those chassis please or did you buy online. Thanks

Offline PostModN66

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Re: Green Max EMU/DMU chassis
« Reply #14 on: October 04, 2019, 10:12:40 AM »
Thanks jon. Who stocks those chassis please or did you buy online. Thanks

It's a long time ago....I think I got the Greenmax one from Plaza Japan, not entirely sure  :confused1:

The new Farish 158 should free up a lot of second hand ones to use as chassis - this would be my preferred option generally I think as they seem to be reliable and smooth runners, easy to maintain and the bogies are right.    I am not fussed about DCC, and can live without interior detail.

Cheers Jon  :)
“We must conduct research and then accept the results. If they don't stand up to experimentation, Buddha's own words must be rejected.” ― Dalai Lama XIV

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