Reply to "Help understanding Marx windup motor"

The Wheel that is covered in sandpaper acts a bit like a grinding wheel. The hole in the arm should have a flint in it to rub on the grinding wheel, which in turn shoots sparks out the smoke stack.

Steve

11/25/1410:55 PM

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        (function() {
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            {%=id%}Popup.hide();
        }
        
                $('#{%=id%}Okay').on('click', {%=id%}Okay_click);
        })();
    </script></li></ul><a href="javascript:void(0);" class="close-reveal-modal" aria-label="Close Modal">&#215;</a><div class="last-modal-focus focus-utility-element" tabindex="0"></div>
</div>
<script type="text/javascript">
        (function() {
            {%=id%}Popup = new SS.Popup.ModalPopup('{%=id%}');
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