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I got the device which I've taken to calling Jacob's Ladder No. 1 completely running for the first time tonight. It runs smoothly enough, but the ladder cascades just aren't starting reliably.
There are two possible ways to fix this that I'm looking at. Slower oscillations and wider (in angular terms) oscillations. Since I don't want to hunt down a new motor at this point, the first would require an extra gear reduction step, probably in the form of another set of chain rings which could float on the existing ladder axle. The most direct way to accomplish the later would also require another set of chain rings, plus a whole new axle. As that would mean a lot more work (plus would result in even more frenetic action, as it would be gearing up instead of down) I'm going to try the former approach first.
Other than that, the woodwork still needs to be finished (stained, and possibly some added trim), everything needs to be loctited and the raw iron sealed with beeswax, the connecting rod pivots needs to be improved, and the power supply/power switch need to be installed. At some point the stand goes away and it becomes wall-mount only. And if I have time, I'm playing with etching brass plates to create a handsome label. Sure would be nice to finish this before the NYC trip next week.
There are two possible ways to fix this that I'm looking at. Slower oscillations and wider (in angular terms) oscillations. Since I don't want to hunt down a new motor at this point, the first would require an extra gear reduction step, probably in the form of another set of chain rings which could float on the existing ladder axle. The most direct way to accomplish the later would also require another set of chain rings, plus a whole new axle. As that would mean a lot more work (plus would result in even more frenetic action, as it would be gearing up instead of down) I'm going to try the former approach first.
Other than that, the woodwork still needs to be finished (stained, and possibly some added trim), everything needs to be loctited and the raw iron sealed with beeswax, the connecting rod pivots needs to be improved, and the power supply/power switch need to be installed. At some point the stand goes away and it becomes wall-mount only. And if I have time, I'm playing with etching brass plates to create a handsome label. Sure would be nice to finish this before the NYC trip next week.
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