ICEINSPACE
Moon Phase
CURRENT MOON
Waning Gibbous 80.2%
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15-04-2014, 01:23 PM
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Novichok test rabbit
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Join Date: Aug 2012
Location: Somewhere in the cosmos...
Posts: 10,388
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Slotted ring nut tools
Anyone have a source for slotted ring nut removal tools?
I have tried the bicycle chainring nut tools, but still managed to bend one trying to disassemble.
Want good quality, about 0.5 to 1" spacing. Tried making my own - will need to temper and anneal the blade...
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15-04-2014, 06:00 PM
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Registered User
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Join Date: Sep 2006
Location: Sydney
Posts: 1,838
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I got frustrated trying to find one strong enough and the right size - used a huge stillson wrench in the end
cheers
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15-04-2014, 09:29 PM
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Novichok test rabbit
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Join Date: Aug 2012
Location: Somewhere in the cosmos...
Posts: 10,388
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Sorry, I should have been more descriptive. I guess a picture helps:
http://www.alibaba.com/product-detai...showimage.html
These sort. Encountered commonly on RA axis, worm ends, camera lenses (just a LOT larger than those in the picture of course). No, a circlip plier WON'T do it - snapped every one I have tried.
I guess I have to make my own again
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15-04-2014, 10:33 PM
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Registered User
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Join Date: Feb 2007
Location: Maldon. VIC
Posts: 855
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Lewis,
What about a piece of flat bar in a suitably sized shifter?
Greg.
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16-04-2014, 12:55 AM
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Ebotec Alpeht Sicamb
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Join Date: Feb 2010
Location: Toongabbie, NSW
Posts: 1,965
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Quote:
Originally Posted by LewisM
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For the nuts on the worm axes of my mount I normally use needle-nose pliers, not a lot of force needs to be applied there anyway.
The large, tight ring nuts on RA/Dec axes I usually loosen and tighten with a podger and a small hammer. Takes just a few taps against either slot.
For optical lenses you need to get a proper lens spanner, like this one.
Cheers
Steffen.
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16-04-2014, 04:00 AM
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Life is looking up!
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Join Date: Sep 2010
Posts: 2,017
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Quote:
Originally Posted by LewisM
Anyone have a source for slotted ring nut removal tools?
I have tried the bicycle chainring nut tools, but still managed to bend one trying to disassemble.
Want good quality, about 0.5 to 1" spacing. Tried making my own - will need to temper and anneal the blade...
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Is this what you are looking for Lewis:
http://www.thorlabs.hk/newgrouppage9...tgroup_id=1430 (read further down that page, for full description)
There is also this one:
http://www.amazon.com/XCSOURCE%C2%AE...spanner+wrench
I have one of these from my optic days, similar toi the one from Amazon, for undoing the retaining ring on binoculars. From memory, which I don't trust, I got it from either Edmund Scientific in the US or from RS Components in Australia. I had a quick look in my RS component catalogue, but couldn't find it. But, my catalogue is a couple of years out of date. They won't give me a new one, as I am no longer in industry.
Blackwoods may be another source.
Cheers Peter
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16-04-2014, 07:50 AM
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Registered User
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Join Date: Jan 2013
Location: Melbourne, VIC, AU
Posts: 198
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Split nuts is what they are called, I don't know where to get big & strong drivers though, you may well be correct that you'll have to make your own.
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16-04-2014, 08:07 AM
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Registered User
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Join Date: Jan 2013
Location: Melbourne, VIC, AU
Posts: 198
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Learning as I go, it's called a face spanner, look for an adjustable one, Sidchrome, Facom & Gedore make them amongst others.
http://www.ultimategarage.com/shop/p...oducts_id=2793
118A is for slotted nuts, 117A is for nuts with holes.
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16-04-2014, 10:09 AM
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Novichok test rabbit
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Join Date: Aug 2012
Location: Somewhere in the cosmos...
Posts: 10,388
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Thanks guys.
Peter, SPOT on. I bought the eBay one
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