Backyard Roller Coasters Research and Development (E-book)
Written by Paul Gregg. Edited by Kyle Gregg
Upon purchase you will be immediately provided with a link to download the book in pdf form. Your personalized PDF will be watermarked to ensure copyright protection.
Volume I presents elementary physics, essential track fabrication methods, such as track tie fabrication, PVC rail hot sand forming, and cart fabrication. It also contains general and specific design information about my first backyard roller coaster, the “Negative G”, which is an out-n-back coaster, with no turns or banks, and a simpler fixed-wheel four wheel cart.DetailsDownload Free Sample
Price: $14.99 
from Hacker News https://ift.tt/33ViKbP
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