Sunday, 21 February 2010

Was Bessler's mechanism design counter-intuitive?

I got back to the workshop again yesterday, despite the snow, and made some adjustments to the mechanism. The reason being that while I was kept indoors by a chest infection I kept thinking about the reasons why, in my opinion, Bessler's wheel worked, and at the same time, wondering why none of us had ever thought of the solution. I realised that although the solution is simple enough and we see the principle in operation every day, how you can make use of it is not so easy to work out. As if this did not make the solution harder to find, it was extremely difficult to get the mechanism right because, I discovered during my days off, that the way I had designed it to work was incorrect in one very important detail - a design feature which requires some counter-intuitive thinking.

Even the simple arrangement of two weights diametrically opposite each other on a free-wheeling disc, can, under certain circumstances, give rise to incorrect weight placement when designed to overbalance the wheel. I called this counter-intuitive for good reason. I have only just worked out why Bessler showed some of the mechanisms the way he did, not because they were deliberately done that way to confuse but because that was the correct design for them. I'll explain what I mean in more detail at www.besslerwheel.com in a day or so. But for now I have to work to catch up on the time lost recently.

JC

3 comments:

  1. Can this design be simulated with wm2d?

    ReplyDelete
  2. Yes I imagine so. Its pretty straight-forward. I'm writing a short piece about it, to post on BW.COM in the next day or so, so you can see if I'm making sense;-)

    JC

    ReplyDelete
  3. Looks like yet another empty promise.

    ReplyDelete

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