Wind Gypsy
5 year old buck +
Well.....I learned another angle today. FWIW....
linear-versus-progressive-springs
Here is the important part:
When we talk about variable rates and constant rates, we are referring to the rate of force acting upon the spring, or “deflection.” Constant-rate springs have a uniform rate of deflection because they are the same diameter from top to bottom. So, for example, a spring with a 200 pound-per-inch linear rate will compress one inch for every 200 pounds of load that is applied. This is true for the entire length of the spring, so after 600 pounds of load, for example, the spring will have compressed three inches.
Maybe linear vs progressive matters for how down pressure (weight) is distributed between the rows when ground conditions are uneven but it's beyond being in the weeds in relation to all openers on a drill not penetrating the ground enough.
You put 600#s of force on one end of a spring you're going to have 600#s of force in the same direction on the other end regardless of how much the spring compresses! It's not immune to Newtons 2nd law because it compresses at a constant rate.
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