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Minimal Clockmaking
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02-21-2013, 03:14 PM
(02-13-2013, 12:14 PM)Brian Wrote: The screws are 8 BA the smallest on this clock will be 10BA,Brian, so the HIGHER the number the smaller the screw on the BA scale? (confirms my suspicions that BA stands for "Bloody Awful").  I watch in awe and enjoy your posts. Steve
Busy Bee 12-36 lathe, Busy Bee Mill drill, Busy Bee 4x6 bandsaw, Homemade 9x17 bandsaw, Ad infinitum.
02-22-2013, 02:36 PM
(02-21-2013, 03:14 PM)stevec Wrote:Yes Steve I may even sneak in one 12 BA. your hands need to be steady when tapping, so not the thing to do after a night out with the lads.(02-13-2013, 12:14 PM)Brian Wrote: The screws are 8 BA the smallest on this clock will be 10BA,Brian, so the HIGHER the number the smaller the screw on the BA scale? Glad you enjoy my efforts Brian.
02-22-2013, 05:50 PM
(02-13-2013, 12:14 PM)Brian Wrote: Glad you enjoy my efforts Brian.Brian, I'm ready to bet lots that everyone here does. 
Busy Bee 12-36 lathe, Busy Bee Mill drill, Busy Bee 4x6 bandsaw, Homemade 9x17 bandsaw, Ad infinitum.
02-24-2013, 10:57 AM
I know Brian has my attention!
 Jerry. 
ETC57, proud to be a member of MetalworkingFun Forum since Feb 2012.
02-25-2013, 06:25 AM
 I too am watching with interest. Whilst I may never make a clock, there is plenty to learn in this thread that is applicable to machining in general.
Hunting American dentists since 2015.
02-25-2013, 07:49 AM
I for one will never tire of watching your endeavors Brian.
"Billy G" 
02-25-2013, 01:30 PM
Very interesting Brian
 DaveH
Thanks Lads, now I will have to by a bigger hat.
Just For interest the 12 Ba screw is .048" dia, as small as i want to go! The photo shows a brass 12 Ba holding the tail end of a click spring, The large screw is 8 Ba The spring its self is interesting the finger is made straight, bent to fit the wheel, then hardened by beating it with a hammer to make it springy. This one is from another clock. Brian  ---You may need to open the file to see it Poor photography???, At last the small drill has arrived and I can continue with the pinions. the first is a 5 tooth pinion for the hour wheel reduction The set up is a mini grinder/ drill clamped to the vertical slide, Indexing by a 50 t gear at 10 teeth. we get 5 holes to fit pins in for a overhung pinion. Brian.
03-03-2013, 07:44 AM
Now a lantern pinion using the same set up.
The new pinion on test. it works perfectly. Minimum tooling --maximum satisfaction. Brian. |
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