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General Discussion

16600 threads, 335505 comments (11 Viewing)
 

Two-Post Car Lift Lowering Unevenly

10/07/2026 by MalcAndCheese
I picked up a used two post lift recently and noticed that it doesn’t always lower evenly. When I raise a vehicle, both sides seem to come up no...
Views: 137, Comments: 4
Last comment 10/08/2026 by miller1277
 

Obsolete Word Meanings

09/11/2026 by Lehman57
This is not an engineering question, but you guys and gals have a wide range of experience, so I expect a reply. (It may be a stretch, but this may be...
Views: 245, Comments: 26
Last comment 09/24/2026 by MalcAndCheese
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Commercial Space

2214 threads, 4416 comments (1 Viewing)
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CR4 Feedback

732 threads, 12634 comments (0 Viewing)
 

Schneider Atv 630 SCF1 and SCF3 Fault

09/23/2026 by Anonymous Poster
I have tried to reset the SCF1 and SCF3 faults on the Schneider Atv 630 to no avail. Even after following all the indicated processes from the manual,...
Views: 189, Comments: 5
Last comment 10/09/2026 by Vulcan
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Section Blogs

Challenge Questions

462 blog entries, 31250 comments (0 Viewing)

Breaking up a horseshoe (Oct. 2026 Challenge Question)

10/01/2026
You have this iron horseshoe. You are also a talented machinist. 1. Can you cut this horseshoe into 6 different pieces, using two straight cuts, wi...
Views: 327, Comments: 3
Last comment 10/01/2026 by Deefburger

The Line Illusion (September 2026 Challenge Question)

08/31/2026
How many lines are there in these pictures? Explain the phenomenon depicted. (Apologies for the freehand Sharpie!) Figure 1 Figure 2 Answer, upd...
Views: 556, Comments: 5
Last comment 09/05/2026 by Doorman
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Other Blog Entries of Interest

mkii Archer Automaton

11/09/2023 posted in Workbench Creations
by user-deleted-1105
I made a mki archer automaton out of wood a few years back, it was pretty good and it shot an arrow with a convincing action. The problem was, you had...
Views: 414, Comments: 13
Last comment 06/27/2025 by artsmith

Pesky Ellipse Circumference

10/04/2020 posted in Relativity and Cosmology
by Jorrie
When I first heard that there is no easy exact formula for the circumference of the standard ellipse, I found it hard to believe. I had already learne...
Views: 665, Comments: 8
Last comment 11/30/2020 by Haymaker

SpaceProperTime Diagrams and the Central Singularity

08/24/2020 posted in Relativity and Cosmology
by Jorrie
In my prior Blog post on the Einstein equivalence principle, I have not identified important values, like the mass of the black hole, real distances a...
Views: 377, Comments: 4
Last comment 08/25/2020 by Jorrie

SPT-Acceleration and the Equivalence Principle

08/17/2020 posted in Relativity and Cosmology
by Jorrie
One day after Alice's arrival at Deep-2, she and Dot sat down for the change of shift briefing - recall that Dot must soon return for Home leave. Whil...
Views: 254, Comments: 8
Last comment 08/18/2020 by Jorrie

Space-Propertime Structure and Acceleration II

08/11/2020 posted in Relativity and Cosmology
by Jorrie
This is a fanciful little scenario for 'flexing the muscles' of acceleration in space-propertime a little and so giving a better intuitive feel for th...
Views: 252, Comments: 8
Last comment 08/18/2020 by canadianslidewinder

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