Post subject: Re: Attractive new employee is a "10"!
Posted: Wed Sep 18, 2013 8:45 pm
Moderator: Lapidary Arts and Tools
Joined: Tue Jun 12, 2007 6:41 pm Posts: 5534 Location: Massachusetts, USA
Had to buy it when I was making XS3's. That's the only way to force an old machine to work to fifty millionths-Almost the mechanical equivalent of an unnatural act. Just used the DRO to measure crossfeed backlash. Out of the box with no adjustments, .0026". There is an adjustment for this to (giggle) improve it.
Post subject: Re: Attractive new employee is a "10"!
Posted: Thu Sep 19, 2013 11:05 am
Platinum Member
Joined: Tue Jan 02, 2007 8:20 pm Posts: 2659
Quote:
Out of the box with no adjustments, .0026". There is an adjustment for this to (giggle) improve it.
What is your opinion of that amount of backlash. Did they just leave the dogs loose? It sounds higher than I would have expected on a new SB. Not that I have ever checked a new one.
Post subject: Re: Attractive new employee is a "10"!
Posted: Wed Jun 08, 2016 2:49 pm
Moderator: Lapidary Arts and Tools
Joined: Tue Jun 12, 2007 6:41 pm Posts: 5534 Location: Massachusetts, USA
There were a lot of goofy things with them. They were heavy for their output, but solid and reliable. Compression ratio was only 8 or so because of the cupped pistons. This was needed for the 5 PSI boost for the supercharged models. Yes, 5 mains.
Post subject: Re: Attractive new employee is a "10"!
Posted: Tue Jun 14, 2016 10:57 am
Moderator: Lapidary Arts and Tools
Joined: Tue Jun 12, 2007 6:41 pm Posts: 5534 Location: Massachusetts, USA
Yes, but when they made things that last fifty years, we will always have them around. That first SB Mod A is still producing. It was made in 1952, when my schoolhouse had a big picture of Eisenhower on the wall. There is no reason it would not run another fifty. And I have seen lathes and milling machines in use that used to be driven from steam.
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