Schiffer Books 312045 Straight Up: A History of Vertical Flight Era_1906 + Thousands in service from 1920s

Thousands in service from 1920s to 1960s all across North America

Redesigned reinforcing rib supporting the tie rod mount

Athearn 29667 HO Scale EMD SW1500 Union Pacific UP 1023

Wire Gauge: 13 AWG

4V: 861 oz-in (62 kg-cm)

Schiffer Books 312045 Straight Up: A History of Vertical Flight Era_1906 + Thousands in service from 1920sSchiffer Books 312045 Straight Up: A History of Vertical Flight by Steve Markman This book surveys the technology of all the many VTOL vehicles, and provides an overview of the programs and manufacturers. To take off and land vertically is not an easy task this is the story of how it has happened thus far.