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 Post subject: Gear Marking Compound
PostPosted: Sun Jul 31, 2016 8:07 pm 
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Joined: Tue Oct 03, 2006 5:48 pm
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Location: Winscombe, North Somerset, England
Does anyone know where I can get some gear marking compound, the yellow stuff like this...

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I can find it across the pond but can't find anything in the UK, except for engineer's blue which I already have but it's difficult to see the contact patch on differentials.

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PostPosted: Sun Jul 31, 2016 9:30 pm 
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Martin

Would this be any use.

https://www.rocol.com/products/view/94

paul

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PostPosted: Sun Jul 31, 2016 9:35 pm 
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Give these guys a call

http://www.marlcoatings.co.uk

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PostPosted: Mon Aug 01, 2016 12:57 pm 
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Location: Nr Kenilworth
Mart at work we use "white lead paste" tin has no markings other than skull and crossbones as expected. This leaves a nice pattern on the teeth for checking pinion depth and backlash. Not something I can grab hold of unfortunately.
Another thing Ive used before is "ocra" or ocre which is a super fine poweder than leaves a print too.

HTH

Tony

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PostPosted: Mon Aug 01, 2016 8:31 pm 
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I have no idea why that stuff seems impossible to find in the uk. It's just a yellow pigment (iron hydroxide) in grease. You could just make your own if you don't want to wait the week or so for a tube to turn up from the states.

I've just used blue though on the couple of diffs I've done though I can see a brighter colour could be a bit easier to see.

I'd be tempted to try something like this http://www.craftcompany.co.uk/sugarflai ... i-25g.html


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PostPosted: Tue Aug 02, 2016 2:01 pm 
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Location: Aberdeen
There Rolls Royce boys at my work use Dykem red for checking the gearbox on our turbines.

http://www.waltersandwalters.co.uk/dyke ... al-markers

(there is some other intresting stuff they sell)

Regards

Barry

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PostPosted: Thu Aug 04, 2016 2:00 pm 
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Never tried it on a diff mesh but I'd give copaslip a go first in the basis that you are bound to have some...

Jonners

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PostPosted: Thu Aug 11, 2016 8:59 pm 
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Location: Silsoe, Beds
we used to use engineer's blue.
https://www.cromwell.co.uk/shop/lubrica ... stBid=tztt


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PostPosted: Fri Aug 12, 2016 12:01 am 
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Location: Winscombe, North Somerset, England
Yep, got a whole tub of copaslip and the micrometer blue. I also have one of these...

http://www.ebay.co.uk/itm/PENTEL-WHITE- ... SwY45UNqK5

...so I will give that a try also.

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