Resistor adapted for use in forced ventilation dynamic braking applications

A resistor adapted for use in a forced ventilation convective heat transfer application comprising:

• a support frame having an opening therethrough defining an airflow passageway;
• at least one resistor element disposed in said opening;
• mounting means on said support frame supporting said at least one resistor element in said opening as a grid in said airflow passageway;
• and
• electrical terminals attached to said at least one resistor element for connection to an external power source;
• wherein said at least one resistor element comprises:
• a ribbon of resistance material having reflexes and conjunctive lengths between said reflexes, said conjunctive lengths each comprising:
• flat end portions at junctures with respective said reflexes at opposite ends of a respective said conjunctive length, said end portions being co-planar and defining a base plane for said conjunctive length;
• a transverse cross section having
• i) a central portion offset to one side of said base plane, and
• ii) lateral edge portions on each side of said central portion offset to an opposite side of said base plane,
• such that a centroid of said cross section is disposed in said base plane, said offset central portion and lateral edge portions tapering from origins at said flat end portions to a maximum offset at a longitudinal midpoint of said conjunctive length.