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Pedal-power school takes shine to solar power array.


Byline: SUSAN PALMER The Register-Guard

Jesse Clift slung a crescent wrench Noun 1. crescent wrench - an adjustable wrench designed to fit hexagonal nuts with the adjusting screw built into the head of the wrench
adjustable spanner, adjustable wrench - can be changed to different settings
 through the hip loop of his canvas work Canvas work is a type of embroidery in which yarn is stitched through a canvas or other foundation fabric. Canvas work is a form of counted-thread embroidery. Common types of canvas work include needlepoint, petit point, and bargello.  pants, grabbed a socket wrench and began bolting a photovoltaic module In the field of photovoltaics, a photovoltaic module is a packaged interconnected assembly of photovoltaic cells, also known as solar cells. An installation of photovoltaic modules or panels is known as a photovoltaic array.  to a steel mount on the roof at the Center for Appropriate Transport The Center for Appropriate Transport (CAT) is an innovative non-profit community center, dedicated to bicycles and alternative transport. It is near the most extensive river bike trail in the United States, at 1st and Washington streets in Eugene, Oregon. .

Clift, 16, four classmates Classmates can refer to either:
  • Classmates.com, a social networking website.
  • Classmates (film), a 2006 Malayalam blockbuster directed by Lal Jose, starring Prithviraj, Jayasurya, Indragith, Sunil, Jagathy, Kavya Madhavan, Balachandra Menon, ...
 and center director Jan VanderTuin Jan VanderTuin is a bicycle designer and community organizer, who established Human Powered Machines in 1991, in Eugene, Oregon, United States. His primary interest is in relieving urban congestion by building load-carrying workbikes and in working with the community through  bustled around the thin, blue-tinged modules as sun burned off Monday's early morning fog.

Thirteen-year-old Daniel Brocket, propping up one module with his head while Clift and others attached it, had a question.

"Will we be giving energy back to the community?" he asked.

Absolutely, VanderTuin said.

Once the system starts converting sunlight to electricity, whatever the center doesn't use will flow back to the Eugene Water & Electric Board, running the meter backward and reducing the center's overall bill.

"Awesome," Brocket said. "We get money instead of losing it."

The photovoltaic array A photovoltaic array is a linked collection of photovoltaic modules, which are in turn made of multiple interconnected solar cells. The cells convert solar energy into direct current electricity via the photovoltaic effect.  adds a new arena of education to the alternative school, which specializes in all things wheeled and human-powered.

The school attracts a mix of at-risk and home-schooled students as well as those who want hands-on experience.

In center classes, they learn how to maintain and repair bicycles, using equipment that ranges from small wrenches to large sand blasters.

Computer-aided design and manufacturing Computer-aided design and manufacturing

The application of digital computers in engineering design and production. Computer-aided design (CAD) refers to the use of computers in converting the initial idea for a product into a detailed engineering design.
 software lets them create new bike styles. Lathes, milling machines and welders allow them to build and assemble their own frames.

An industrial sewing class teaches them how to make a range of products from recumbent recumbent /re·cum·bent/ (re-kum´bent) lying down.

re·cum·bent
adj.
Lying down, especially in a position of comfort; reclining.
 bike seats to folding bike bags and rain gear.

And they can get involved in the center's production of Oregon Cycling, a regional magazine published 10 times a year and distributed throughout the state.

These aren't simulations, but the stuff of everyday life, VanderTuin said.

"This is our real world and we share it with our students," he said.

The 16 modules that make up the photovoltaic array will be capable of producing 2.6 kilowatts under ideal sunny conditions. EWEB EWEB Eugene Water and Electric Board (Oregon)  grants of $18,000 paid for the curriculum and the gear.

After the system is up and running, gauges will show how much power the solar panels produce and exactly how much the center's heavy equipment consumes, VanderTuin said.

As part of the new energy curriculum, students will learn how the energy flows into and out of the modest two-story complex on West First Avenue.

For comparison, students also will build a human-powered generator.

"Getting the kids to think in terms of that, how a generator that's human-powered barely turns on a few light bulbs, whereas the welder - how do you get a perspective on the huge amount of energy it draws?" VanderTuin said.

Having the source right there with a gauge on it is one way to get that perspective, he said.

"The real reason, from an education point of view, is just getting people to understand what a megawatt hour is, what a kilowatt hour is," he said.

And VanderTuin doesn't just mean students.

The school plans to offer half a dozen community workshops so others can learn, too.

"When they're done, they'll know what everything on their EWEB bill means," he said.

The installation will be finished in about a month, and workshops will be planned after that.

VanderTuin sees solar power as an inevitable part of the future.

"These systems are sort of mysterious and what we're about is making them less mysterious," he said.

CAPTION(S):

Jan VanderTuin instructs Tyler Hord as they erect photovoltaic cells at the Center for Appropriate Transport.
COPYRIGHT 2002 The Register Guard
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2002, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Title Annotation:Energy: Center for Appropriate Transport students also will give a human-driven generator a spin.; Schools
Publication:The Register-Guard (Eugene, OR)
Date:Nov 26, 2002
Words:580
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