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Member postings for Bizibilder

Here is a list of all the postings Bizibilder has made in our forums. Click on a thread name to jump to the thread.

Thread: R Jarvis model of Robt. Davidson's 'Galvani'
08/02/2016 20:14:29

Apparently they are in the Robert Guiness museum ireland: http://modelengineeringwebsite.com/Jarvis.html

and: http://www.askaboutireland.ie/reading-room/culturenet/museums/kildare/steam-museum/

Thread: Clock Question #5
06/02/2016 17:37:39

If you have a dividing head 108 should be easy enough to do? If it is a 40:1 head then every 10 holes on a 27 hole plate will do it. If 60:1 then every 10 holes on an 18 hole plate. If 90:1 then 15 holes on an 18 hole.plate.

Thread: Warding files
29/10/2015 12:12:21

A warding file is for filing "wards" in keyholes: https://en.wikipedia.org/wiki/Warded_lock

Thread: Power Hacksaw Identity?
09/09/2015 18:18:19

Cowells Hacksaw. http://www.model-engineer.co.uk/forums/postings.asp?th=84462

Edited By Bizibilder on 09/09/2015 18:19:16

Thread: Darjeeling Himilayan locomotive
16/04/2011 16:19:29
I just found this:
Maybe just what the doctor ordered for the youngsters? I nearly posted it in the 3 1/2 gague model thread!!
Thread: Darjeeling Saddle Tank 0-4-0 New series starting in ME 4378
24/05/2010 18:18:43
Attached is a scan of the cover of issue No 3550 3-16 Dec 1976.
 
The credit inside says: "Darjeeling narrow-gague tank locomotive at New Jalpairuri November 1975. Photo by ARW Crowhurst"
 
(I cannot get the full size scan to load 6.54Mb) - hope tis is of use - maybe ME has access to the original?
 
BIzibilder

 
 

Edited By Bizibilder on 24/05/2010 18:19:18

Thread: Power hacksaw
20/01/2010 20:14:53
I don't have relief on my saw and the blades seem to last forever!  There is a stop that you can set (carefully) so that the "drop" at the end of a cut is minimal.  i also built a retractable pin to hold the saw in the "up" position.
 
 
There were some articles by Duplex many years ago - I think these went with the Duplex machine.  There was also an article in MEW about some sort of damping device for a hacksaw.
 
If you download the ME and MEW indexes:
 
 
you should be able to search for the articles that you want. (Excel spreadsheets)
 
Bizibilder

Edited By Bizibilder on 20/01/2010 20:17:50

Edited By David Clark 1 on 17/07/2012 16:16:30

17/01/2010 14:37:38
Thanks Les!
 
I've put some photo's in an album called "Power Hacksaw" (What else!!)  I anyone wants more details then please ask.
 
Bizibilder
08/01/2010 15:53:41
I have made the Cochrane saw myself and it works extremely well!  The only mods I made were:
 
Instead of welding the frame I made side plates and fitted bolts in each of the top corners - No problems.
Second I used the motor from a Warco small bandsaw (The bladesnapper!!!) which I believe to be 1/3 HP - it works fine.  I have cut 2.5" round in under half an hour.
 
I mounted my motor "behind" the machine - so the whole thing is about two feet "long" so I made a cupboard underneath to hold my steel stock and add some mass and stability to the saw.
 
The gears were from the ME exhibition the large one is CI and the small one is steel I think they are 85 and 21 teeth - chosen to provide a "hunting" tooth count.
 
Bizibilder                 (I have some pics but can't seem to post them!!)
Thread: Wheel cutting
20/06/2009 19:33:58
Niloch
I doubt if 5 tenths on diameter would be to blame.  As to the cross slide - set the cut and then lock everything! (except the feed of course).  The good thing about 60 tooth practice blanks is that they can be turnrd down to make smaller wheels - thus saving on expensive brass!
 
Bizibilder
p.s. Sorry - I live in East Anglia.
Thread: slitting saw woes
20/06/2009 16:01:43
Hi
I'm a bit late here as Jim Whetren has given the answer - sharpen in a jig on its own arbour or life is just clonk...clonk...clonk
Bizibilder
Thread: Wheel cutting
20/06/2009 15:54:22
Hi Niloch
 
There are a couple of other easy (!) ways to get wheel cutting wrong.  From the above you seem to be OK as far as an infeed of 0.069" on the Myford handwheel.
Have you checked -  Firstly that your wheel blank is exactly the correct outside diameter? (yours may be too big) and secondly - have you set the dividing head to cut the correct number of teeth? You may be cutting too few (I, of course, have NEVER made either error  !!!!!!!!)
 
Seriously, I've cut about three dozen wheels using the "just leave a witness of blue" method with no problems at all (apart from operator error).
 
Hope this helps.
Bizibilder
 

Edited By Bizibilder on 20/06/2009 15:56:40

Thread: Granite Surface plates
03/06/2009 18:15:18
I also have a granite plate from Tesco.  I checked it with a GOOD straight edge (a new "best" ruler) and could not get a 1.5 thou feeler gague under it at any point on the surface.  I reckon that it is good to a thou over its surface - more than good enough for workshop use.
 
The smaller ones - down to "coaster" size may be useful for confined spaces!
 
Bizibilder
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