WD8BIL
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« Reply #3 on: September 08, 2011, 08:23:21 AM » 

>From the 1950 ARRL Handbook
RK65 Plate dissipation 215 watts, filament 5volts 14 amps, max plate volts 3000, max screen volts 500, max screen dissipation 35 watts, grid to fil capacity 10.5pF, grid to plate capacity 0.24pF, plate to fil capacity 4/75pF, Max freq full ratings 60Mc.
Typical operation Class C amp telegraphy Plate volts 3000, screen volts 400, grid volts 100, plate current 240mA, screen current 70mA, grid cvurrent 24mA, approx grid driving power 6.0 watts Approx output power 510 watts. Typical operation Class C amp telephony Plate volts 3000, screen volts left blank, grid volts 150, plate current 200mA, screen current 70mA, grid cvurrent 22mA, approx grid driving power 6.0 watts Approx output power 380 watts. Screen dropping resistor 30,000 ohms (presumably from modulated plate supply).
