Monthly Archives

January 2015

Linkage Program

But I Can Build My Own

I finally figured out how to change that Box Transport Mechanism from my previous post into a Linkage mechanism that works. All I needed to do was get rid of one of the links and then add a link to do the same thing using connectors that are…

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Linkage Program

Another One I Can’t Simulate

The Stephenson Value mechanism on a locomotive is a mechanism that the Linkage program can’t simulate. I was asked by a user for help with a box transport mechanism and I see that it is another mechanism with the same issue Box Transport Mechanism In case that YouTube…

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Linkage Program

Linkage 3 Beta is Now Released

Of course, this is just some freeware that you can download. The only change is that the Linkage page and the Linkage Download page all download version 3, not the old version 2. There is no way to get Linkage 2 anymore. No one reported any bug in…

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Linkage Program

Linkage Dimension Changes

I am changing the way radii are drawn in the Linkage program. The old way was to show the radius value inside of the circle but that doesn’t seem typical, at least not in the U.S. New Radius Value Position The new way draws the radius value outside…

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Uncategorized

New Email Address

To anyone reading this blog, drector@rockclimbing.com is no longer a usable email address. rockclimbing.com is shutting off their email server. I will get forwarded emails from that address for a while, but please don’t use it anymore. I can be reached at my gmail address “rectorsquid”. Dave

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Linkage Program

Linkage 3.0.5 Beta Available

I just updated the Linkage 3.0 Beta files. The new version has a bug fix that caused some geared mechanisms to fail in the simulator. This came about because of how I now allow a gear to be placed on an input anchor, but be fastened to another…

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Linkage Program

Gears, Orbits, and Linkage 3.0

Orbiting Gears and Chain Mechanism I’m having a little trouble with the Linkage user interface. In the picture above, which is a nicely exported and scaled down JPEG image, I designed a mechanism to show an orbiting planet (gear 2) with an orbiting moon (connector F). Designing this…

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Linkage Program

Gear and Chain Test Mechanism

Linkage 3.0 is almost ready! I had a little trouble with the math for the gear and chain simulation. For a few minutes, I had very different code for the gear simulator and the chain simulator. I soon realized that I had figured out an improvement when working…

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