Tape them. I don't know why in particular neo magnets are a good idea. If they fly together they break. You could use ferrite ceramic magnets,...
You might try adding a UHMW polyethylene washer to the stack. These do not require lubricant. You can adjust the feel by how hard you clamp the...
The principles have not changed and this is very established material. Out dated standards? Doesn't mean there is much wrong with them. On...
If you are interested in an electric system, you may want to investigate the products available for radio controlled hobby vehicles and electric...
If the engine selection is not locked down, you should consider that any motor that has a longer stroke will make more torque. This also has the...
I take exception with this. There is no "breaking up" effect. Sound waves are merely superimposed - in all cases. When peaks coincide in the...
http://en.wikipedia.org/wiki/Interference_fit That is a start. The questions arise - do the shaft and collar have to stay together, or can the...
You want CFM, and a good price point for the installed system, not much else matters if it can survive the environment. Did someone tell you the...
I can't understand why you would want to build your own extruder. If there is any profit in the extruding itself, then you will make much more...
You are not really designing for plastic deformation. You are designing to prevent it. johnstjohn has very good points. Most...
All you have to do (in theory) is take it past the point of yield, it will not spring back to where it started, but there is in reality...
You can turn your motor so it points up and get that horizontal motion. That's potentially more efficient. Not lifting the soil just scooting it...
The scale you are interested in is for coarser soil than I was thinking. A whacker I mentioned would be good for grading sand and powders. That...
I saw a shake tester that was simply a motor with an eccentric collar clamped on the end of the shaft. The thing being shaken was pulled against...
Some salient principles... Heat ALWAYS transfers in the direction of cold to hot. heat never transfers if there is no difference from one...
A "take u"p means some way to control the looseness of the belt - a tensioner. This can be as simple as a third pulley on an arm in the middle of...
You can put the same two different pulleys on the motor and on the fan. Then when you change they have the same length. This is common on simple...
You can often find digital readouts in the used equipment world. Machine tools that are decommissioned for mechanical reasons may have fully...
The Wright brothers worked with existing physical principles. Currently there is no known physical principle that supports invisibility, any more...
You should acquaint yourself with Google Patents. There will be a wealth of detailed discussion about this, in the US patent system. Look also...
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