Core diameter (in.) 184 Pole-tip diameter (in.) 188.75 Pole gap at center (in.) 14 Magnetic field strength (gauss) at center 23,400 at radius of 82.2 in., where n = 0.2 22,275 Weight of steel (tons) 4,000 Magnet coils Main coils Auxiliary coils ---------- --------------- material solid copper hollow copper (1/4 × 4 in.) (1-3/16 × 1-1/16 in.) weight of copper (tons) 300 40 number of turns (total) 2,600 425 ampere turns 1.9 × 10^6 1.1 × 10^6 current (amp) 1600 2800 voltage (v) 550 560 power (kw) 900 1600 coolant oil water _Radiofrequency system_ Dee system number of dees 1 size length (in.) 126 width (in.) 180 height (in.) 48 material: 1/64-in.-thick copper, stretched over a stainless steel frame dee aperture (in.) 4-3/16 Oscillator type: self-excited grounded-grid 10 tube: one Machlett ML5681 dc input, operating condition (kw) 10 dee bias, maximum dc (v) 2000 Protons Deuterons Alpha particles ------- --------- --------------- rf duty cycle (%) 38 28 28 dee-to-ground voltage, peak (kv) 9 6 6 Frequency-modulation system type: vibrating-reed (tuning-fork) capacitor number of units: two (two blades each) blades size width (in.) 45 length (in.) 32 thickness: tapered from 1.4 to 0.06 in. weight (lb) 500 vibrational frequency (cps) 64 electrical capacitance ([mu][mu]f) 300 to 6,500 peak-to-peak excursion (in.) 1 minimum separation of blade and stator (mils) 50 Protons Deuterons Alpha particles ------- --------- --------------- frequency sweep (Mc) 36-18 18-13.5 18-13.5 Ion source: conventional open-arc type _Beam extractor_ LeCouteur-type regenerator combined with magnetic channel _Building and facilities_ Room dimensions diameter (ft) 160 height (ft) 90