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Tomytec HM-01 N Gauge Chassis


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I buy quite a lot of chassis from PlazaJapan on eBay, usually to go under 3D Prints I've designed. I saw recently the Tomytec HM-01 had appeared and I couldn't find much information online, so I bought one (under £20 eBay 351526636630) to see whether it was any good. I thought I'd post my findings here where perhaps they will be of assistance to others modelling N/OO9/H0e.

 

I was amused when I received it this morning as the packaging wasn't what I was expecting!

 

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Turns out that it's actually a product aimed at children and it comes with a plastic body and some white decals for them to colour the model in their chosen livery.

 

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In the box is a plastic blister pack containing the locomotive, some instructions (in Japanese), the white draw on decals and couple of bags of bits:

 

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The locomotive comes with hook and loop couplings fitted as default, but also supplied are standard rapidos (no NEM pocket though.)

 

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The main body comes off by flexing the sides outward to release and then lifting it off; contained within the body are some weights.

 

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The motor can be separated from the chassis flexing the case outwards at five points and then lifting (a bit tricky!)

 

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The plate which is used to hold the body on can be removed and the chassis reassembled without it, to give a narrower profile.

 

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The maximum width is 13mm which isn't too bad, though probably a bit wide for most N scale applications. The chassis would certainly work well for OO9/H0e.

 

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The chassis also comes with some side plates which are an interference fit; these may be useful as axle boxes and leaf springs could be glued on top.

 

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With the weights the chassis was quite happy to pull 4 Mk1s round 9" radius curves. Without the weights it would pull 1 Mk1 without any slipping, though a second Mk1 resulted in slipping on the curves. All wheels pickup power and provide traction, but as the axles slide to the extreme left and right it looks like the wiper comes away from the back face of the wheel, so I bent them inwards until they made more consistent contact.

 

Hopefully this is post is of use to someone!

 

All the best,

 

Jack

 

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  • 2 years later...

Hi folks, I'm new here and it was my Google searches that led me to this specific post.

 

I've recently purchased several of these Tomytec HM-01 chassis and I'm wondering if anyone may have some info regarding how they power them? Rather than risk just plugging in any old power pack/controller, would anyone know what the electrical requirements are for the motors in these chassis?

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