About Gear Generator:
Gear Generator is a tool for creating involute spur gearsand download them in SVG format. In addition it let you compose full gear layouts with connetcted gears to design multiple gears system with control of the input/output ratio and rotation speed. Gears can be animated with various speed to demonstrate working mechanism... ( link )
Duro® and Duro Inertial are enclosed dual-frequency RTK GNSS receivers. Designed and built to survive long-term, outdoor deployments, the easy-to-deploy Duro and Duro Inertial combine centimeter-accurate positioning with military ruggedness at a breakthrough price. Duro Inertial features an integrated IMU for continuous centimeter-accurate positioning in the harshest of outdoor deployments.