Re: [time-nuts] New ± 1 sec in 100 days mech clock

There's a great series of videos from a clockmaker on youtube and his own site: http://clickspring.weebly.com/ These are probably the best produced how-to videos I've seen on youtube on any subject. Highly recommended. Matt On Wed, Apr 22, 2015 at 3:57 PM, Bob Camp kb...@n1k.org wrote:

Re: [time-nuts] New ± 1 sec in 100 days mech clock

Hi, In all reality, achieving these results without decades of experience is probably unlikely. That said, are the specific plans available or published anywhere? Is is possible that someone willing to build and tinker could make a 'functional' copy of this unit? I would guess that not all

Re: [time-nuts] New ± 1 sec in 100 days mech clock

Hi In some ways this is like: I can buy tubes of paint and some brushes down at Hobby Lobby. That’s what I need to paint the next Mona Lisa. While that’s all quite true, it’s not the whole story :) There’s an enormous amount of training and experience that goes into fitting this sort of

Re: [time-nuts] New +/- 1 sec in 100 days mech clock

You could always use the traditional method of piercing saw and files. Thinking about it I suppose files were the original milling machine. Be aware that the horological approach is different from the engineering approach and there are numerous traps waiting for the unwary. Harrison and

Re: [time-nuts] New +/- 1 sec in 100 days mech clock

I saw Harrison's number one (its replica?) at Greenwich some time ago. It is a dual pendulum, 180 out of phase. I remember a lot of springs. Don Peter Torry You could always use the traditional method of piercing saw and files. Thinking about it I suppose files were the original milling

Re: [time-nuts] New +/- 1 sec in 100 days mech clock

On 4/20/15 12:59 AM, Attila Kinali wrote: Moin, On Mon, 20 Apr 2015 00:40:06 -0700 Tom Van Baak t...@leapsecond.com wrote: Mechanical, yes. Home brew, no. It is an absolutely stunning clock, both in beauty and performance. Given the fact that a CNC milling machine can be bought quite

Re: [time-nuts] New +/- 1 sec in 100 days mech clock

Hi I suspect you could buy quite a few nice new high end cars for the price of that clock. Bob On Apr 20, 2015, at 3:59 AM, Attila Kinali att...@kinali.ch wrote: Moin, On Mon, 20 Apr 2015 00:40:06 -0700 Tom Van Baak t...@leapsecond.com wrote: Mechanical, yes. Home brew, no. It is

Re: [time-nuts] New +/- 1 sec in 100 days mech clock

On Mon, 20 Apr 2015 09:59:06 +0200 Attila Kinali att...@kinali.ch wrote: Mechanical, yes. Home brew, no. It is an absolutely stunning clock, both in beauty and performance. Given the fact that a CNC milling machine can be bought quite cheaply today, i would say that homebrew is easily

Re: [time-nuts] New +/- 1 sec in 100 days mech clock

Perhaps it is not a good analogy, but I think of the cesium beam tube in the 5071A. The plans alone are very non-trivial. Then there are a bunch of proprietary machining details that I can't disclose, that are way beyond the merely having access to a CNC tool. The systematic error due to the

[time-nuts] New +/- 1 sec in 100 days mech clock

List,   http://www.dailymail.co.uk/news/article-3045499/Longitude-clock-stuns-experts-keeping-accurate-second-100-days-300-years-designed.html   Personally I’m blown away howsomeone can homer brew a mechanical clock like this.   Regards,   Perrier

Re: [time-nuts] New +/- 1 sec in 100 days mech clock

time-nuts@febo.com To: time-nuts@febo.com Sent: Sunday, April 19, 2015 10:55 PM Subject: [time-nuts] New +/- 1 sec in 100 days mech clock List, http://www.dailymail.co.uk/news/article-3045499/Longitude-clock-stuns-experts-keeping-accurate-second-100-days-300-years-designed.html Personally I’m

Re: [time-nuts] New +/- 1 sec in 100 days mech clock

Moin, On Mon, 20 Apr 2015 00:40:06 -0700 Tom Van Baak t...@leapsecond.com wrote: Mechanical, yes. Home brew, no. It is an absolutely stunning clock, both in beauty and performance. Given the fact that a CNC milling machine can be bought quite cheaply today, i would say that homebrew is