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Author Topic: "Slippery Sid" - PTFE tube and wire  (Read 1860 times)

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Offline PostModN66

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"Slippery Sid" - PTFE tube and wire
« on: November 30, 2013, 02:29:55 pm »
As has been mentioned in recent posts the excellent "Slippery Sid" wire-in-tube product has gone AWOL.

Referring to the "Slippery Sid" I have left I have found some suitable PTFE 1mm internal dia tube on e-bay:

http://www.ebay.co.uk/itm/111168066224?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649

I have obtained a test length of this.  The 1mm internal diameter is just the same size as the Slippery Sid, the wall thickness is somewhat greater, but it doesn't seem an issue; still quite easy to bend it to a radius of about 30mm.

The wire seems to be about 0.4mm dia, according to my Vernier callipers.   This would make it about 27 to 28swg.  I don't think the exact diameter is that crucial though.  It just needs to be thin enough to be a really loose fit in the tube and go round tight corners easily.

For the last time for the moment, here is the Horseblock Lane video showing what I'm talking about!

Horesblock Lane first test

Cheers   Jon  :)
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Offline Vanders

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Re: "Slippery Sid" - PTFE tube and wire
« Reply #1 on: November 30, 2013, 11:53:11 pm »
As has been mentioned in recent posts the excellent "Slippery Sid" wire-in-tube product has gone AWOL.

Can you no longer get the wire & PTFE tube from Lytchett Manor Models?

Offline PostModN66

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Re: "Slippery Sid" - PTFE tube and wire
« Reply #2 on: December 01, 2013, 12:19:58 pm »
As has been mentioned in recent posts the excellent "Slippery Sid" wire-in-tube product has gone AWOL.

Can you no longer get the wire & PTFE tube from Lytchett Manor Models?


Aaah - interesting!   Their PTFE seems somewhat narrower with a 1mm OD rather than a 1mm ID.  I can't see a reference on the steel wire as to it's diameter, but it seems their system is somewhat finer than "Slippery Sid" - (which is puzzling to me as I don't understand why you would need the cranks.  The beauty of "Slippery Sid" is that you can pretty much run it where you want without cranks). 

The lever frame and individual levers look nice; anyone have any experience of hooking these up to a microswitch for frog power etc?

Anyone used the Lytchett Manaor system (with the PTFE)?

Cheers  Jon  :)
« Last Edit: December 01, 2013, 12:35:33 pm by PostModN66, Reason: afterthought »
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Offline oscar

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Re: "Slippery Sid" - PTFE tube and wire
« Reply #3 on: December 01, 2013, 02:05:29 pm »

Offline Vanders

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Re: "Slippery Sid" - PTFE tube and wire
« Reply #4 on: December 01, 2013, 02:55:20 pm »
Anyone used the Lytchett Manaor system (with the PTFE)?
I am, but I'm only using the wire 'n PTFE tube, not the cranks or levers (mine are servo driven). It works nicely; the only issue I had was that as I was threading the steel wire into the tube, occasionally the end of the wire would "snag" inside the tube and shave off some of the material, leading to it becoming blocked. In all honesty I could probably have avoided that my simply filing down the cut end of the steel wire.

 

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