Paul Brodie (http://flashbackfab.com/) designed and made his own CRTT frame a few years ago, and he was kind enough to share his drawings with me.
We had the great honour of 3D scanning a Buddha at Wat Tarn Ain (sometimes spelt Wat Tan En), Ayutthaya, Thailand. The Wat will make replicas of this Buddha. The history of this Buddha is not completely clear. This Buddha statue “Luang Por Krab” was presumed created during the reign of King Prasadthong in B.E. […]
Harley-Davidson Aermacchi motorcycles are very potent flat track racers you could buy from the Harley-Davidson dealers. They were called CRS (250cc) and ERS (350cc), and had front and rear suspension. Harley-Davidson also made hard-tail frames as well and included the drawing of the frame in one of the supplement documentation packages sent to dealers. We obtained […]
During the process of reverse engineering Aermacchi CRTT, SS, H, early CRS, late CRS and ERS, we kept track of the common tubing sizes used on the frames. The result is the handy table and diagrams, below. Take a look at the first column of the tube thickness table and you will see the letters […]
Review by Patrick Downing, 1-June-2018 Amazing. Incredible. Awesome. Unbelievable. Work-of-art. Incredible journey. Rarely have I been so impressed with a book on engineering. Niels Schoen