Archive of: Rail & Transit
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Macro Names Roger Evans as Director of Business Development
Macro is pleased to announce the appointment of Roger Evans as the Director of Business Development. Evans will leverage his 25 years of experience in the transportation, communications and electronics industries to drive success in new business development and strategic growth for the firm. -
The Pantograph Barrier: Part 1 of 4 Of Pantographs & Wires
The marriage of the pantograph and the catenary has been wonderfully stable and productive for 120 years, but the insurgence of high speed trains has started to reveal a “Pantograph Barrier”. This four-part series will examine the technical issues that have caused this 120-year-old technology’s inherent limitations and how advances can lead to the operation and initiation of new, truly high speed intercity services. Part one will begin with the history of overhead electrification technology and where the technology is today. -
The Pantograph Barrier, Part 4 of 4: The Balanced Force Pantograph Solution
Part Four will conclude this series and focus on how the Pantograph Barrier can be eliminated and increase train speed beyond 220 MPH. In review, Part Three of this series discussed why having electrified passenger trains that can go beyond 220 MPH is important to our infrastructure and can change the way people travel. -
The Pantograph Barrier, Part 3 of 4 : Why Speed Matters
Part One and Part Two of this series discussed the idea of a Pantograph Barrier and why it exists. Part Three will address why the pantograph barrier is significant, and why operating trains above 220 MPH is important. -
The Pantograph Barrier: Part 2 of 4 Effects & Consequences
Part two of this four part series examines the reasons why the Pantograph Barrier exists and its effects and consequences.