Three Eared Spinner Tool

PostPost by: pharriso » Sat Dec 24, 2022 2:52 pm

mbell wrote:Thanks Phil, my memory was Sarto's design was folded metal with leather. So not really machinable on a cnc mill. I might be wrong on that front thou.

So I think the tools would be different design to be milled from Ali round stock. Likely look more like the ones kelvedon list.


The main profile is CNC'd, the center portion turned on a lath:
early tools.jpg and

final tool kit.jpeg and

Anyway, up to you guys, I have one already! :D
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PostPost by: mbell » Sat Dec 24, 2022 4:19 pm

pharriso wrote:The main profile is CNC'd,


That's a different kind of cnc machine (cnc just means it's computer controlled). Those are done on some kind of router, laser or water cutter for cutting sheet metal.

That's possibly an option but likely to make them on cnc Mill from billet.
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PostPost by: smo17003 » Sat Dec 24, 2022 5:03 pm

The Kelvedon tool looks exactly the same as my Lionel supplied one so I suspect that he is/was their supplier. If so, I hope they are looking to source from elsewhere.
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PostPost by: mbell » Sat Dec 24, 2022 5:08 pm

That was what I thought the situation was. Seems there two tools and both suppliers have stopped supplying the tools.

That's why I contacted my friend as he maybe be able to make these and seems like he wouldn't be stepping on anyone's toes doing so. And good for him as known market/demand for the tool.
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PostPost by: 2mAn » Tue Jul 11, 2023 7:52 pm

Bumping this to get input.. I wont need it in the immediate future but want to wrap my head around it.

I always thought I would need something like this

https://www.ebay.com/itm/275788491461

but it seems there are more elegant solutions nowadays
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PostPost by: USA64 » Tue Jul 11, 2023 8:01 pm

We are supposed to be having fun, are we not?
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PostPost by: pharriso » Tue Jul 11, 2023 8:16 pm

2mAn wrote:Bumping this to get input.. I wont need it in the immediate future but want to wrap my head around it.

I always thought I would need something like this

https://www.ebay.com/itm/275788491461

but it seems there are more elegant solutions nowadays


Sarto's tool is being made again, available through RDent...
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PostPost by: elanfan1 » Thu Jul 13, 2023 7:17 pm

Anyone know whether 3D printed ones would be strong enough?
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PostPost by: mbell » Thu Jul 13, 2023 7:30 pm

Isn't the torque rating for the wheels 150 or 200ft/lbs?

Not a 3D printing expert but very seriously doubt anything but a very specialized, likely metal, printer could produce a part capable of handling that.
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PostPost by: pharriso » Thu Jul 13, 2023 7:39 pm

elanfan1 wrote:Anyone know whether 3D printed ones would be strong enough?


No way Steve!

200LbFt is a lot of torque, even the newer carbon fiber materials are not that strong. Now if you had access to some of the metallic fusible materials maybe, but very expensive
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PostPost by: TonyA » Thu Jul 13, 2023 8:40 pm

I see Kelvedon are still selling the ' Lionel' spinner tool At £ 98, expensive but great quality: Get one while you can I'd say; it's tried and tested and they ain't making 'em like that anymore..,!
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Kelvedon spinner tool.
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PostPost by: DavidP » Sun Jul 16, 2023 10:38 pm

These are in stock at R D Enterprises, [email protected]

Item# 026 T 0341K. priced at US$176

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