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John Bushell
Joined: 02 Jun 2011
Posts: 4
Location: Jakarta
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 Posted: Thu Jun 02, 2011 4:32 pm Post subject: Copper WIT vs Flexi WIT |
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Hi y'all,
I am wondering if anyone out there has used both types of WIT and can give me an opinion on the virtues of each.
My goods yard is in close proximity to where the lever frame will be and I am tending towards the flexible type. Reasons being ease of carrying it home on the aircraft (I live in Jakarta), ease of fitting and price.
Any comments or good reasons I should go for the annealed copper type?
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Best regards,
John |
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modadmin
Site Admin
Joined: 15 Jan 2004
Posts: 284
Location: Australia
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| Posted: Sat Jun 04, 2011 6:36 am Post subject: |
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John,
For short runs, Flex-wit is certainly suitable.
As to carrying on the plane, the copper tube is rolled as supplied and would be as easily transported.
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John Bushell
Joined: 02 Jun 2011
Posts: 4
Location: Jakarta
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| Posted: Sat Jun 04, 2011 4:14 pm Post subject: |
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Thanks MA
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John |
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signalman
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Joined: 24 Mar 2004
Posts: 16
Location: Port Macquarie, Australia
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| Posted: Sat Oct 08, 2011 9:08 pm Post subject: Copper WIT vs Flexi WIT |
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Is there a maximum length of run for each of theses products?
Which is more suited to long runs?
Cheers,
Ian |
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modadmin
Site Admin
Joined: 15 Jan 2004
Posts: 284
Location: Australia
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| Posted: Mon Oct 10, 2011 10:51 am Post subject: |
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We have tested flex-wit operating a turnout via 5m of tube. The run included a gentle 90-degree turn (approx 250mm radius) at the lever frame and a similar reflex turn at the turnout. It works perfectly well. There was no support for the tube other than at each end.
As a general principle, copper is likely to give better long-range performance that flex.
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signalman
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Joined: 24 Mar 2004
Posts: 16
Location: Port Macquarie, Australia
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| Posted: Sun Jun 30, 2013 8:43 pm Post subject: |
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What is the minimum bending radius that Flex-wit can be curved to? In the WIT General pdf, a minimum radius of 75mm is mentioned for the copper tube. Is this the same for Flex-wit?
Cheers,
Ian |
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modadmin
Site Admin
Joined: 15 Jan 2004
Posts: 284
Location: Australia
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| Posted: Sun Jun 30, 2013 11:22 pm Post subject: |
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The recommendation is still 75mm, although, if the rest of the route is not complex, a single sharper bend will probably be workable.
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