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EiE Spotlight - What the Research Says (KB 9.18). LEGISLATIVE OVERSIGHT COMMISSION ON EDUCATION ACCOUNTABILITY Senate Finance Committee Room January 8, 2012 Assessment of Student Readiness / High School-to-College Success Report 1.

Bill Volk's Coroplast (TM) Craziness Page! Running Fast without Excessive Mass • • • • • • • I FEEL THE NEED! THE NEED FOR SPEED! And could you pick up some groceries while you're out? What is this Coroplast(TM) stuff in the first place?

(smelling the sweet polyethylene: polypropylene copolymer). You've seen it: corrugated plastic: greenhouses, real estate signs; trendy boxes and briefcases. Inert (except for the Static treatment for printing), cuts with knife, comes in 4x8 sheets in a variety of colors, including white and translucent (makes nice humidity chamber supports for polyethylene sheeting) at about $10-13 sheet.

Avail from shipping suppliers. Not flameproof, though can be bought treated for same, but becomes expensive. What can I add?

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I've been able to find 4' by 8' sheets for about $12 that weigh in at around 4 lbs. That's 2oz per. The stuff is light, the stuff is tough, the stuff is solvent resistant. (That makes gluing it a bit of a problem, more later.) What's so great about it? Coroplast is strong and light due to its structure.

The material has 'ribs' that separate two layers of plastic. These ribs are the secret to the durability and toughness of Coroplast. Just as a hollow tube can be stronger than a smaller, but heavier solid rod. Coroplast's 'hollow' nature makes it tougher than heavier solid fiberglass or plastic structures. It also allows you to create self-supporting structures that do not require a frame, unlike Lexan (of course Lexan is transparent). The best thing about Coroplast is it's cheapness and ease of building neat one-off light and durable structures. No molds, no metal work, and you wind up (hopefully) with a lightweight affordable fairing that can take abuse.

You can curve it with relative ease, and it's low cost allows for a trial and error approach to design. I didn't intend to even use this first effort.

But it turns out to have been a pretty decent faring. It's large, but so am I. I don't have a problem seeing over it, but if I did. Public guest cifs share for mac. A few minutes with a knife would solve the problem. How do you work with it?

I prefer to use a heat gun, though my first effort (front fairing #1, see below) used a heat shrink iron. WARNING: These tools get HOT!

Here are example of a heat shrink iron (top of picture) and a heat gun (bottom). The heat shrink iron CAN be used to shape Coroplast by 'creasing' along the ribs. This works just fine as seen by this interior picture of front faring #1. Note the key to this entire structure's integrity is the small cross piece running across the width of the fairing.

This cross piece acts as a tensioned member resisting the forces (from the apparent wind) that tend to bend the fairing. The result is a fairing that holds it's shape even at 45 mph. Which is as fast as I care to go. Fairings may make you go faster. Your bike should be setup for the speed you will ride it at.

/heise-simulator-keyboard-layout-for-mac/. Cheap tires are not a good idea at higher speeds. Check your tires, wheels, and frame often. Also make sure your fairing mount is strong and durable.

Your mileage may vary. Proceed at your own risk. This fairing consisted of a cross of four curved Coroplast sections. Four additional sections were fitted in. Sections were joined with fiberglass strapping tape.

The second fairing used a technique I call 'Coroplast/monokote(TM) welding.' This uses 1/4 oz./sq. Heat shrink plastic that is melted onto the Coroplast with the heat shrink iron. Very strong, very light, and nicer looking. If at first you don't succeed, Fairing #2! Yes, here is a picture of my bike with the front fairing I raced the '96 WHPVC with.

Zoe k. nutter

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This fairing uses 16 sections of Coroplast to create a 'zeppelin-like' shape. Seams were joined with Topflight Econokote(TM) heat shrink plastic strips. This stuff is used in model aircraft coverings. The tricky part is making it work on the concave inside seams. Fairing #2 is 25' in diameter, and 20' long. It weighs less per. Square inch than the old one.

This entry was posted on 02.09.2016.