VAROC Air Dynamometers have been used for testing US military helicopter engines. There are two, the VAROC-35 for testing engines up to 3,000 horsepower, and the VAROC-250 for testing engines up to 18,000 horsepower and 16,000 rpm.
Torque measurement systems (reaction and shaft torque), dynamometer control systems, custom driveshafts, and VAROC remote lubrication systems can be provided. The company can also provide turnkey test cell design or modification by working with test system manufacturers. Technical details can be provided to the operator's engineering staff to allow the VAROC integration to be carried out by the operator.
NREC, 39 Olympia Avenue, Woburn, MA 01801. Tel: 781-935-9050; Fax: 781-935-9052