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Pilkington Sun
Angle Calculator (SAC)
The
former LOFSAC (Libbey-Owens-Ford Sun Angle Calculator) is available
again! This handy tool provides a relatively simple method of
determining solar geometry variables for architectural design, such
as designing shading devices or locating the position of the sun
relative to a particular latitude and time. The Sun Angle Calculator
is a quick and accurate tool and has been used extensively by
educators, researchers, and design professionals for the past 50
years. Permission to reproduce and distribute the Sun Angle
Calculator has been provided by Pilkington to the Society of
Building Science Educators (SBSE). The Sun Angle calculators are now
printed on a high quality styrene and have a nylon screw and nut for
quick assembly (no more chasing the little brass screws all over the
lecture hall!).
Contents of the Pilkington Sun Angle Calculator
Each Pilkington Sun Angle
Calculator contains the following items, which will be sent to you for
collation and assembly:
- Sunpath charts for 24, 28, 32,
36, 40, 44, 48 and 52° North latitudes
- 1 profile angle (red) overlay
- 1 equidistant altitude cursor
- assembly screw and nut
Please note that the instructional
manual for the Pilkington Sun Angle Calculator is not included with the
above package, but is available on the World Wide Web (see below).
The Libbey-Owens-Ford company was
acquired in 1986 by the largest global glass manufacturer, Pilkington,
and is now referred to as Pilkington North America (PNA). No portion of
the Sun Angle Calculator package (including the manual) may be
reproduced, translated, or transmitted in any form or manner by any
means -- including but not limited to graphic, electronic, and
mechanical methods without explicit written consent from Pilkington.
Order Your SAC Today!
Pilkington Sun Angle Calculators
are available for purchase at the following price structure:
A. |
Quantities of 1 to 5:
$25/each |
B. |
Quantities of 6 or more:
$20/each |
C. |
Bookstores only: $17/each
(with your institutional account number for UPS or FedEx or a
pre-paid shipping authorization for same. Each Pilkington Sun Angle
Calculator contains the items noted above, which will be sent to you
for collation and assembly and suggested shrink wrapping.)
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Prices includes shipping and
handling via USPS within the continental U.S.
Please call CERES at (765)
285-1135 to arrange Alaska, Hawaii, international, expedited or
bookstore orders. Please note SBSE cannot process returns or replacement
parts. If ordering for a class, faculty are requested to send ONE check
on a SINGLE ORDER to expedite the process!
There are two options for paying
for sun angle calculators:
A. Pay by
check |
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B. Pay with
credit card (Visa & MC) |
Send
a check or money order in US Funds payable to "Ball State
University" to:
Office of the Director,
SBSE SACs
CERES AB 018
Ball State University
Muncie, IN 47306-0170
Email: ceres@bsu.edu
Please include:
- Quantity desired
- Return shipping information |
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Call or fax credit card information to (becuase of Payment Card Industry compliance, we can no longer accept credit card payment requests through email):
Office of the Director,
SBSE SACs
Phone: (765) 285-1135 (8am - 5pm EST, Monday-Friday)
Fax: (765) 285-5622
Email: ceres@bsu.edu
Please include:
- Quantity desired
- Credit Card type
- Name on card
- Card number
- Card expiration date
- Return shipping information |
For further ordering information,
write to ceres@bsu.edu.
Instruction Manual
Instruction Manual
The instructional manual that accompanies the Sun Angle Calculator
-- "Designing with the Pilkington Sun Angle Calculator" -- is now
available in electronic format and may be downloaded.
Download PDF
Manual (1.8 MB)
Update for magnetic variation.
Download Magnetic Variation
PDF (200 kb)
Plot Your Own Sun Path Charts
The University of Oregon Solar Radiation Monitoring Laboratory
developed a sun path chart program that is a very handy resource! Just
put in latitude and longitude or zip code for U.S. locations, time zone,
and it prints out a pdf!
http://solardat.uoregon.edu/SunChartProgram.html Contact Lab
Director Frank Vignola <fev@uoregon.edu>
for further information.
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