16mm Scale O&K MD1

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90733
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16mm Scale O&K MD1

Post by 90733 » Fri Jan 31, 2025 10:44 am

A number of years ago I started scratchbuilding an O&K MD1 following the Saltford Models plans. It's a tiny little thing so I was never going to motorise this iteration, but it's been sat waiting for a free rolling chasis for years now... I got a 3D printed last year, so 10 minutes on TinkerCad and 20 minutes of printing now means it's finished :D It's free rolling so I'll use it for either double heading or top and tailing trains at the moment, but I do have plans for a small motorised wagon at some point.
Thanks
Jack

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philipy
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Re: 16mm Scale O&K MD1

Post by philipy » Fri Jan 31, 2025 10:48 am

That looks nice Jack.
Obviously it is small but I'd have though you could squeeze something like an N20 gearmotor in there?
Philip

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Re: 16mm Scale O&K MD1

Post by GTB » Fri Jan 31, 2025 11:35 am

90733 wrote: Fri Jan 31, 2025 10:44 am I do have plans for a small motorised wagon at some point.
Neat work on the model.

Powering these little takkers is always a challenge. An N20 gearmotor was also my thought.

Space for batteries is the bigger problem and might require a battery wagon. However an RCR123A rechargeable 3.7V Li cell is only 34mm long x 16mm dia. and you might be able to squeeze in a Micron Mr601a Rx as well.

Graeme

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Re: 16mm Scale O&K MD1

Post by hoppy504 » Sun Feb 02, 2025 1:29 pm

Would it be possible to insert a battery into the drivers body from the bottom ?

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Re: 16mm Scale O&K MD1

Post by Peter Butler » Sun Feb 02, 2025 2:44 pm

hoppy504 wrote: Sun Feb 02, 2025 1:29 pm Would it be possible to insert a battery into the drivers body from the bottom ?
That's exactly what I had to do with my 'Spooner's Boat' model. The seated driver was drilled from the bottom to hold an AAA battery with a brass strip alongside it, this becomes the full circuit when the head is attached with a brass tube around his neck acting as a switch...

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Unfortunately not powerful enough to include RC.
The best things in life are free.... so why am I doing this?

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Re: 16mm Scale O&K MD1

Post by Lonsdaler » Mon Feb 03, 2025 8:14 pm

Peter Butler wrote: Sun Feb 02, 2025 2:44 pm
hoppy504 wrote: Sun Feb 02, 2025 1:29 pm Would it be possible to insert a battery into the drivers body from the bottom ?
That's exactly what I had to do with my 'Spooner's Boat' model. The seated driver was drilled from the bottom to hold an AAA battery with a brass strip alongside it, this becomes the full circuit when the head is attached with a brass tube around his neck acting as a switch.

Unfortunately not powerful enough to include RC.
Ingenious!
Phil

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Re: 16mm Scale O&K MD1

Post by Old Man Aaron » Mon Feb 03, 2025 10:49 pm

Unreal. :thumbup:
Regards,
Aaron - Scum Class Works

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