NASA's Modular Robotic Vehicle (MRV)
From NASA at the Johnson Space Center:
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Featured Product
Model TR1 Tru-Trac
The Model TR1 Tru-Trac® linear measurement solution is a versatile option for tracking velocity, position, or distance over a wide variety of surfaces. An integrated encoder, measuring wheel, and spring-loaded torsion arm in one, compact unit, the Model TR1 is easy to install. The spring-loaded torsion arm offers adjustable torsion load, allowing the Model TR1 to be mounted in almost any orientation - even upside-down. The threaded shaft on the pivot axis is field reversible, providing mounting access from either side. With operating speeds up to 3000 feet per minute, a wide variety of configuration options - including multiple wheel material options - and a housing made from a durable, conductive composite material that minimizes static buildup, the Model TR1 Tru-Trac® is the ideal solution for countless applications.
Robotics and Automation - Featured Company
US Digital
US Digital's breadth of quality motion control products offers a range of sizes and CPRs, delivering the position accuracy you demand. With over 1 million off-the-shelf configurations, including custom designs and manufacturing, we put ultimate precision into your application. US Digital has delivered quality in motion since 1980. Located in Vancouver, WA, the vertically integrated facility and the stellar service team offer shorter lead times, with same-day fulfillment on most orders.

