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Type: Posts; User: Brobdingnagian
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24th August 2014, 08:33 PM
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Dengue, The BBQ does not get hot enough to do...
Dengue, The BBQ does not get hot enough to do anything interesting to the metallurgy of the iron. if you want fully annealed cast iron you need to get it hotter much hotter, glowing bright yellow...
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28th November 2013, 07:44 AM
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Just an update, I'm a little behind schedule, It...
Just an update, I'm a little behind schedule, It seems no matter how extra time I throw at the them they contrive to swallow me whole, but it is not without its little joys; Here is one that I was...
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27th November 2013, 01:31 AM
Thread: Making a sine plate
by Brobdingnagian- Replies
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Sorry Ewan, Nope, I have not pulled out the...
Sorry Ewan, Nope, I have not pulled out the interferometer since I got them off you. :( Its a happy day when I do need to pull it out though. Do you need em back?
On the Omer Robbins it has two... -
25th November 2013, 02:38 AM
Thread: Imperial vs Metric system
by Brobdingnagian- Replies
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I'm still a fan of a positional Sexagesimal...
I'm still a fan of a positional Sexagesimal system. It has been around a long time ~3000BC, we still use it today time angles etc, has the best of base 10 and base 12. It stacks very well and also...
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13th November 2013, 12:41 PM
Thread: Lie-Nielsen Chisels
by Brobdingnagian- Replies
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Nar, my guess is that they looked at the books...
Nar, my guess is that they looked at the books and figured out what it was actually costing to produce them now..
Actually, now that I look at it I can't see a price jump? maybe I'm not looking... -
13th November 2013, 12:20 PM
Thread: Waldown 8SN purchase
by Brobdingnagian- Replies
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I still have a pattern for the locking collar...
I still have a pattern for the locking collar knocking about, if you fail to get a good piece at the end of braising it up let me know.
-Josh -
13th November 2013, 12:10 PM
Thread: Where to find an Anvil
by Brobdingnagian- Replies
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Scrap metal merchants are also worth a try, as...
Scrap metal merchants are also worth a try, as they tend to keep anvils aside. But also failing at having an actual anvil they would probably have a chunk of steel not anvil shaped that would suffice...
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10th November 2013, 02:12 PM
Thread: Melbourne, Backsaw Making Workshop
by Brobdingnagian- Replies
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A couple of suggestions A Section of Saw...
A couple of suggestions
A Section of Saw Makers
An Off-cut of Saw Makers
A Saga of Saw Makers
An Incision of Saw Makers
-J -
8th November 2013, 03:48 AM
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:(. How is it treating you other than cleaving...
:(. How is it treating you other than cleaving tiles that it?
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8th November 2013, 03:35 AM
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November, (but late november) still look to be a...
November, (but late november) still look to be a goer even with all the break downs, but I'm saving the real painful ones for last as I'm still very anxious about clamping for the 3mm-6mm chisels as...
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4th November 2013, 03:06 PM
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Both good points. I'm unclear if it is required...
Both good points. I'm unclear if it is required or not, based on the FEA modeling it would suggest no it does not need an extra plate over the top. That being said there is 4mm clearance between the...
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3rd November 2013, 09:17 PM
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Soon... I tweaked the design a little more,...
Soon...
I tweaked the design a little more, for simpler build and better use of steel. I also made the calculations for the deflection of the double beam thingy and for the springs free length.
... -
3rd November 2013, 06:55 PM
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Revision 2.0 Draft: A simpler build.
Revision 2.0 Draft: A simpler build.
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3rd November 2013, 04:33 PM
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Ok Will do, It will just mean an extra layer, a...
Ok Will do, It will just mean an extra layer, a measurement pad to be mounted on the top of the arm for the indicator, and a few more holes and screws.
Stay tuned for version 2.
-J -
3rd November 2013, 03:44 PM
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Here are a couple of drafts, still working...
Here are a couple of drafts, still working through the rest.
-Josh
Edit Added some more -
3rd November 2013, 01:50 PM
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Sure thing Joe, the schematics are underway. ...
Sure thing Joe, the schematics are underway.
If you want to play around with the PDF if you right click you have all sorts of options, the one I always change it is the render mode to shaded... -
3rd November 2013, 11:16 AM
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Ok, more simplicity or more protection? And...
Ok, more simplicity or more protection?
And do you think we need a fine adjustment mechanism?
-J -
3rd November 2013, 01:30 AM
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Thanks for the feedback Joe they are all very...
Thanks for the feedback Joe they are all very good points.
I'll see if my brain is still working at this hour and try to explain what I was thinking.
The Little block IS a clamp for the... -
2nd November 2013, 07:21 PM
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More detailed Repeat Meter -J Please...
More detailed Repeat Meter
-J
Please comment, question etc... -
1st November 2013, 08:11 PM
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The one in the pdf is ~5.5kg
The one in the pdf is ~5.5kg
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1st November 2013, 06:36 PM
Thread: Your latest project
by Brobdingnagian- Replies
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I was going to mate it with a mass balanced arm...
I was going to mate it with a mass balanced arm for a camera, but I like the way you think Stuart. ;)
-Josh -
1st November 2013, 06:32 PM
Thread: Eldorado!
by Brobdingnagian- Replies
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Deckelexia....
Deckelexia....
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1st November 2013, 06:31 PM
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I like the 3D pdf for many reasons, but you can...
I like the 3D pdf for many reasons, but you can also take measurements, isolated parts, do cross sections off them etc.
That's interesting. the GGG spec had them with the two feet at the back, hmmm... -
1st November 2013, 06:26 PM
Thread: Your latest project
by Brobdingnagian- Replies
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The pdf are just a way to encapsulate a .u3d...
The pdf are just a way to encapsulate a .u3d model. If you are having trouble viewing it try Adobe Acrobat 7 or later.
I u3d for iphone is not supported as it is a light weight implementation of... -
1st November 2013, 03:57 PM
Thread: Eldorado!
by Brobdingnagian- Replies
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Franz wants super ridiculous premium on...
Franz wants super ridiculous premium on everything.
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1st November 2013, 03:50 PM
Thread: Your latest project
by Brobdingnagian- Replies
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Gimbal
I recently got my hands on some nice 7075 aluminium scrap, and I figured I could build a nice little 3 axis gimbal out of it.
It is just a side project while I work on other things.
Anyway see... -
1st November 2013, 12:41 PM
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Here is a quick rough out of the shape and...
Here is a quick rough out of the shape and important features.
Based on feedback I'll do a more refined/detailed design.
based on the 5" centres of the US standard, easily changed to the 100mm... -
31st October 2013, 09:19 PM
Thread: Sine bar setting taper attachment
by Brobdingnagian- Replies
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sounds like a rounding error. turn up the...
sounds like a rounding error. turn up the precision in your spreadsheet for accurate calculations.
-J -
31st October 2013, 09:15 PM
Thread: What did you learn today?
by Brobdingnagian- Replies
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Nothing major. The cross slide DRO scale on the...
Nothing major. The cross slide DRO scale on the lathe had came loose.
I took a clean up pass, measure, set DRO offset, and proceeded to turn with the DRO and power feed and feed stops so I can... -
31st October 2013, 03:17 PM
Thread: What did you learn today?
by Brobdingnagian- Replies
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Learnt to make sure the DRO scale is firmly...
Learnt to make sure the DRO scale is firmly mounted....
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30th October 2013, 09:58 PM
Thread: Sine bar setting taper attachment
by Brobdingnagian- Replies
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just a few more from the nets. ...
just a few more from the nets.
291518291519291520291521291522 -
30th October 2013, 09:15 PM
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cheers, I presume it is camped in place to give a...
cheers, I presume it is camped in place to give a knife edge flex point?
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30th October 2013, 09:13 PM
Thread: Sine bar setting taper attachment
by Brobdingnagian- Replies
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Basically a chuck-able sine bar 291505
Basically a chuck-able sine bar
291505 -
30th October 2013, 08:45 PM
Thread: Sine bar setting taper attachment
by Brobdingnagian- Replies
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Are you thinking something like the Sinuskator? ...
Are you thinking something like the Sinuskator?
-J -
30th October 2013, 02:12 PM
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I think can identify a possible maker of that...
I think can identify a possible maker of that block as Obishi
291471
see here -
30th October 2013, 01:46 PM
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any idea on where the flex point is? is it in the...
any idea on where the flex point is? is it in the middle or on the bottom?
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30th October 2013, 01:04 AM
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Cool, I'll draw it up to suit mahr. -J
Cool,
I'll draw it up to suit mahr.
-J -
29th October 2013, 08:23 PM
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Oh Yeah, it was a cold process, I can't remember...
Oh Yeah, it was a cold process, I can't remember the name of the company that made the products, but most of the 10 tubes were for rinses from memory.
-J -
29th October 2013, 07:56 PM
Thread: Wonders of the clockwork world
by Brobdingnagian- Replies
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He did draw some very long bows. When he said...
He did draw some very long bows.
When he said the automatons turned against their masters I was immediately thought of ATM's leading the charge. :)
-J -
29th October 2013, 06:39 PM
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I'll throw a couple more out there 1....
I'll throw a couple more out there
1. Copper/Selenium Blackening
2. Caustic Black Oxiding (I'm guessing this would be the China method for bolts?)
3. Black Dyed Oxalate Coating
-Josh -
29th October 2013, 06:13 PM
Thread: Need some Help/ Advice
by Brobdingnagian- Replies
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If I understand you right, you just need to...
If I understand you right, you just need to elongate the slotted holes right? if so the file would make pretty quick work of that.
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29th October 2013, 04:48 PM
Thread: Your latest project
by Brobdingnagian- Replies
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Update: Phil mod + handle. -J
Update: Phil mod + handle.
-J -
29th October 2013, 02:50 PM
Thread: Your latest project
by Brobdingnagian- Replies
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- 270,759
Phil, Ooooo, I like that mod... :) -J
Phil,
Ooooo, I like that mod...
:)
-J -
29th October 2013, 01:41 PM
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I have seen them around but non of them seem to...
I have seen them around but non of them seem to have a consistent name.. :(
Semi off topic I have been playing around with an idea after tying to get a really good hold on a part while milling... -
29th October 2013, 12:49 PM
Thread: Mitutoyo Quick Guide
by Brobdingnagian- Replies
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I quite like our fake Mitutoyo 0.01mm DTI's, even...
I quite like our fake Mitutoyo 0.01mm DTI's, even the fakes are still pretty good.
-J -
29th October 2013, 12:42 PM
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: ) It's a good size...Maybe they will average...
: ) It's a good size...Maybe they will average out,
If you do make a repeatOmeter, I have some rough idea's on how they are put together.
-J -
29th October 2013, 12:39 PM
Thread: Your latest project
by Brobdingnagian- Replies
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- 270,759
See attached. as simple as it gets.
See attached. as simple as it gets.
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27th October 2013, 01:42 PM
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All round that gauging quality episode was good....
All round that gauging quality episode was good.
As far as specs go, If anyone here is a student or an apprentice, I pretty sure you have access to all the australian standards the ones of... -
27th October 2013, 12:43 PM
Thread: Cern
by Brobdingnagian- Replies
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When CERN shut down the LHC for luminosity...
When CERN shut down the LHC for luminosity upgrades they sent their helium back to their suppliers for safe keeping. fingers crossed that it is still there when they are back online.
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26th October 2013, 09:17 PM
Thread: Cern
by Brobdingnagian- Replies
- 109
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CERN pull power from the French and the Swiss...
CERN pull power from the French and the Swiss grid. I worked out that they use at least some 36MW just in cooling the the LHC.
Power supply for them is a huge problem, so much so rather and...