Date: Wed, 02 Oct 2002 10:07:33 -0700

Author: "Kelly V. Beck"

Subject: Re: 6ft Jacob's Ladder?


Hi Jason,

You might think about contacting Charles Sowers at the Exploratorium. He
built their huge-scale Jacob's ladder. I had the pleasure of hearing him
describe various design issues he faced with Jacob's ladder in a talk he gave.

Charles used to be on TAP-L, but I don't know if he still is. I believe
his email is


At 12:34 PM 10/2/2002 -0400, you wrote:
>I want my Jacob's Ladder apparatus to be bigger. What's involved in
>scaling it up to, say, 6'? I'm betting the conductors need to be very
>straight, and without a more powerful transformer, the spacing would
>probably need to be rather close.
>Any anecdotes, pointers, advice, or design/plans?
>Jason St. John
>Boston University
>Curator, Physics Demonstrations Collection

Kelly V. Beck
Science Pedagogy Consultant
Area 2 Support
Division of the Vice Provost for Undergraduate Education
Stanford University
(650) 725 - 9139