megan
He is talking of the means by which the torque on a shaft is converted into a signal that can be measured on a gauge. It's a really simple piece of gear, at least the theory behind the concept.
Nope. A "torque converter" is not a torque meter, it is a fluid coupling like that in an automatic transmission that is used to transmit drive. A torquemeter does not transmit the drive - though it is of necessity in the transmission. The old TC18 engines he was referring to had fluid couplings (torque converters) to transmit drive from turbine to crankshaft. Those torque converters had nothing whatsoever to do with the torquemeter that was “indicating” BMEP.
Turbine Drive System
...the gears reduce the turbine speed, and transmit the power through a fluid coupling to a pinion which drives the crankshaft...; Facts About the Wright Turbo Compound
