Home > Off Topic > Tow balls |
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OsloBlue Member Since: 14 Jul 2018 Location: Essex Posts: 822 |
I don't know?!
I'm on IG: https://www.instagram.com/osloblue42/ Current: TD5 '110 "Lucinda" Thread here: https://www.defender2.net/forum/topic62562.html |
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23rd Oct 2018 8:17am |
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stanley Member Since: 18 Sep 2009 Location: Dorset /hampshire Posts: 1025 |
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23rd Oct 2018 8:46am |
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miker Member Since: 13 Sep 2015 Location: Surrey Posts: 1758 |
I dont know per se, but I'd say most likely drop forged, then the holes drilled and ball machined. Casting wouldn't have the right strength for the loads involved.
They could probably technically be machined from billet, but that would be a very expensive way to go about it! |
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23rd Oct 2018 10:41am |
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leeds Member Since: 28 Dec 2009 Location: West Yorkshire Posts: 8578 |
Thanks Stanley for the video.
That video shows the tow ball on a threaded stem or Hayman Reece type tow ball. What I was wondering about was the two bolt style more commonly used in the UK. Would be interested in seeing a video on how they are made.. Just being curious. Brendan |
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23rd Oct 2018 6:45pm |
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300TDi CSW Phil Member Since: 03 Apr 2016 Location: Bracknell Posts: 746 |
Looking at the Bradley catalogue most with a ball (and pin or not) seem to be forged whereas the towing jaw is cast with a forged pin.
I haven't been able to find a video though. 1995 300 Tdi Epsom Green - It's a keeper. Wide Track Sankey- In bits- Gone to a new home M0XQS |
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23rd Oct 2018 7:57pm |
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blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16808 |
They would have to be forged, otherwise the roads would be filled with runaway trailers!
The two-bolt type will be made exactly as shown in the video except (obviously) forged into a different shape. |
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23rd Oct 2018 9:45pm |
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mick Member Since: 08 Feb 2010 Location: Yorkshire Posts: 2109 |
We had a pair of swage blocks to make tow balls where I did my apprenticeship . I can’t remember the hardness of the steel for the job
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24th Oct 2018 7:31pm |
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