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More Ibayorkies D1
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GlenAnderson
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January 8, 2021 - 9:13 am
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Speaker cable is the only commercially available alternative today. 

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lbayorkie
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January 8, 2021 - 9:42 am
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Speaker/bell wire was all I could think of too but its current handling didn't seem to be high enough. I spent ages Googling suppliers of automotive cable but couldn't find any no wonder if its not made anymore!

Are we saying speaker wire is OK for earthing or would it be better to choose an auto cable and compromise on colour?

 

Thanks

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sunny
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January 8, 2021 - 10:38 am
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hi  Alan   i  use      tined   copper   earth  wier  [  green  & yelow ]  from  thins like a  kettle    chep   &  it  has  to have  about  the same in  copper  wier inside

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GlenAnderson
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January 8, 2021 - 11:56 am
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sunny said
hi  Alan   i  use      tined   copper   earth  wier  [  green  & yelow ]  from  thins like a  kettle    chep   &  it  has  to have  about  the same in  copper  wier inside  

This ^^^ isn’t a great idea. Automotive flex is normally 14 strands of 0.030” cable for an 8.75 amp load (at 12v), in a sheath designed for the environment. Domestic flex is designed to take lower current at higher voltages, has more strands of thinner copper, which is less resistant to vibration, and comes in a flex intended for an interior environment. 

The reason translucent flex isn’t available any more, and it’s been near impossible to get for the forty odd years I’ve been playing with Bantams, is because the material that it’s made of isn’t durable enough. 

You’re a grownup. Make your own decision whether visual accuracy, on something near impossible to see, that most people wouldn’t even notice, and those that would will understand exactly why the compromise was made, is more important than safety/reliability. 

Anyone that points to a bit of wire on your bike, at some point down the line, and says “ooo, that should be translucent” is not someone you should be paying any attention to. 

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lbayorkie
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January 8, 2021 - 12:18 pm
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Like most things with this bike I want it to look as original as possible but there have to be compromises- I've made a lot already! Advice on the forum has been to run all earths back to the same point so the earth cable for the rear light will be quite visible assuming the earth point will be one of the engine mountings. Having said that I will be using an auto cable given your (and Sunnys) comments, probably a white one.

Thanks to all contributors.

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Number6
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January 8, 2021 - 6:49 pm
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The earth cable for the rear light will be no more visible than the other two wires for the rear light http://livinginthepast-audioweb.co.uk/imagex/misc/biggrin.gif

It will look deliberate and "belong", mine does (to me – I'm assuming you're running all 3 tail light wires together?)

As far as I know, and can remember of my D3, the common earth point on the frame is the top toolbox mounting lug under the top frame tube, or even the rear tank bolt lug. I am going to use the former. http://livinginthepast-audioweb.co.uk/imagex/misc/biggrin.gif

Note you need to remove all paint from it, where the earth tag will go, to get a good electrical connection.

Mike H --

Murphy's 4th law of motion states that any small object that is accidentally dropped will immediately hide itself under a larger object.

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lbayorkie
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January 8, 2021 - 8:50 pm
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There will be a black cable from the switch in the headlamp bowl to the 5a filament, a cable from the battery in the toolbox to the 21a filament (another black?) and a cable from the central earth point. Obviously all the cables will be visible, I don't have a problem with this as its how the bike was originally but it would have been nice in the earth was translucent, thats all.  Thanks again.

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lbayorkie
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January 13, 2021 - 8:30 pm
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I have found this by searching for Speaker Cable. 17awg seems to be the equivalent of standard 1mm2 8.75a wiring cable. It is two strands but can be split of course. One of the cables has a red line running through the plastic, the other has 'Speaker Cable' stamped on it every 100cms, but im assuming this can be removed. This should be perfect for earthing cable. 

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lbayorkie
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January 14, 2021 - 8:44 am
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** Please log in to view **

I forgot the link!

I know at least one other member is looking for transparent earth cable so I hope this is helpful.

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sunny
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January 14, 2021 - 9:29 am
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this  wier   is  NOT    TINNED    copper   like  bantam  earth  wier

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lbayorkie
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January 14, 2021 - 9:42 am
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Ah....you mentioned tinned wire before but I didn't want the yellow/green covering. Others posted that speaker wire was the way to go so when I found this I was  very happy. Apart from aesthetics will the lack of tinning make any difference?

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sunny
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January 14, 2021 - 9:50 am
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 i  like  tinned  its  ezer   to  solder     earth   tags  to    &  dont  go  manky   so   qwick        thats   wy    i  use  it  

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Number6
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January 15, 2021 - 1:07 am
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I just found this -

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Assuming photo is accurate, it's tinned, remove from the outer sheath and bob's your aunt fanny laugh

Also search for transparent lighting cable, seem to be a few

Mike H --

Murphy's 4th law of motion states that any small object that is accidentally dropped will immediately hide itself under a larger object.

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lbayorkie
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January 15, 2021 - 8:55 am
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Thanks for this. It does look like its tinned and each strand is insulated in its own right, so if the outer sheath is removed, as you say you should be left with two insulated cables of 0.75mm2. Ideally it would be 1mm2 to match the other cables I'm using but I think it will be OK. 

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lbayorkie
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April 8, 2021 - 8:05 pm
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Hi, I was hoping someone could identify my headlamp and tell me what the bolt in the top is for. I think the rim probably doesn't belong to it. By the way the shell is alloy. Many thanks.20210408_132533_resized.jpg20210408_132647_resized.jpg20210408_132541_resized.jpg

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lbayorkie
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April 10, 2021 - 7:05 am
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Any thoughts?

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sunny
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April 10, 2021 - 8:08 am
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it  mite be   pilot  hole for a  hole  cuter    or   moor likely  a bracket  to  stop the h/lamp moving  up/down  or  a  good  place to just  fit a bolt  for 

a crack  starting  in  the  aloy  shell 

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lbayorkie
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April 10, 2021 - 8:26 am
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Thanks Sunny

I thought it might be identified as an early D1 headlamp shell, and the hole was to secure the dry cell battery holder inside. 

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sunny
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April 10, 2021 - 9:42 am
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see  wot   Hans  has on his   nothing was  wasted   so  dont   see  a  broblam   

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lbayorkie
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April 10, 2021 - 9:53 am
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Thanks Sunny, I already looked at that but its not conclusive. Im thinking Glen or someone elsecwith an earlyish Bantam may be abke to idenify it. The rim is almost certainly not belonging to the shell. 

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