New Scrap Pad

[Fletcher]

I like to simplify things to remember them ..

So I think like this ..

A conservative force is path independent with no path taken more favourable than another, thus it is a two-way street of proportionality between only PE and KE within a gradient or field ..

A non-conservative force is path dependent generating non-usable dissipative energy losses, thus is a one-way street with these system energy losses proportional to the actual path taken ..

..............

[johannesbender]

Agreed , while for example the total PE to KE conversion of a mass moved through a path from one point to another via gravity is not dependent on that path , and while this mass would for example encounter a varying amount of frictional force along that path , the amount of frictional losses the mass encounters would be dependent on the path taken .

[Fletcher]

Right - because there is no true frictionless path - even a mass dropped vertically in air still encounters non-conservative air frictions ..

But as we do, to simplify theories and experiments ( especially in sim-world ) we take the best case "ideal" scenario of all non-conservative energy losses out of the picture to give the best possible indicative result possible - then we can add back in dissipative energy losses to stress test the sim and bring it closer to real-world conditions - especially if it looks like it might have merit ..

Usually I just turn on and adjust some air frictions as a quick and dirty approximation of all non-conservative energy losses bundled together - in my experience there is no real need for separate pivot frictions etc as all we are trying to do is add an energy dissipating forces to act as a true albeit minor Load approximation initially - it can be upped if it still has promise until the limits are found ..

[Senax]

[Senax]

DRAFT

The final brick

Why with the Offset Gyro does the does the disk as it orbits its support rotate in a direction as though it is skidding along on the roof rather than the floor?
This has always puzzled me since it seemed counter intuitive. It seemed as though it was trying to oppose the orbital motion.

If the gyro is given a small push along its orbit it will rear up and the ratio of the two ratios will change.

to be continued

[Senax]

DRAFT

The final brick

Why with the Offset Gyro does the does the disk as it orbits its support rotate in a direction as though it is skidding along on the roof rather than the floor?
This has always puzzled me since it seemed counter intuitive. It seemed as though it was trying to oppose the orbital motion.

If the gyro is given a small push along its orbit it will rear up and the ratio of the two ratios will change.

When working in the Structural Engineering Division of BRE the was a colleague, Graham Armer (of the Wood and Armer equations), who used to say that whenever he had a problem he always looked at the boundary condition. His ghost must have inspired me because when I did this things became very clear.

In the limit the path of a gyro ring element becomes and inverted cycloid, the Bernoulli path of maximum descent.

to be continued

[johannesbender]

If you want to write your posts offline ,save and load and preview them , before you make them here , there is a free application for that , of course images uploading here is a different thing.

https://www.bleepingcomputer.com/download/bbeditor/

[Senax]

If you want to write your posts offline ,save and load and preview them , before you make them here , there is a free application for that , of course images uploading here is a different thing.

https://www.bleepingcomputer.com/download/bbeditor/

Thanks but I'm happy with the current arrangement. :-)

[Senax]

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[Senax]

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[Senax]

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[Senax]

DRAFT

The final brick

Why does the Offset Gyro disk, as it orbits its support, rotate in a direction as though it is skidding along on the roof rather than the floor?
This has always puzzled me since it seemed counter intuitive. It seemed as though it was trying to oppose the orbital motion.

If the gyro is given a small push along its orbit it will rear up and the ratio of the two velocities will change.

When working in the Structural Engineering Division of BRE I had a colleague, Graham Armer (of the Wood and Armer equations), who used to say that whenever he had a problem he always looked at the boundary condition. His ghost must have inspired me because when I did this things became very clear.

In the limit the path of a gyro ring element becomes an inverted cycloid,
https://upload.wikimedia.org/wikipedia/ ... _curve.gif
The curve that inspired the idea of Terra-Gravitic Induction.
The sea and the whale. The sign of Jonas the prophet.

I see now that harnessing the horizontal moment of the offset gyro to a capstan will give us a source of reaction power, something Laithwaite demonstrated but did not understand.