Monopropellant Thrusters
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| Product Line | MONARC 1 | MONARC 5 | MONARC 22-6 | MONARC 22-12LT+HT | MONARC 90LT | MONARC 90HT | MONARC 445 |
| Steady State Thrust | 0.20 lbf (1N) @280 psia | 1.4 lbf (5.0 N) @350 psia | 5 lbf (22N) @250 psia | 5 lbf (22N) @242 psia 6.2 lbf (22N) @ 250 psia | 21 lbf (93 N) @ 235 psia | 25 lbf (111 N) @ 225 psia | 100 lbf (445N) @ 260 psia |
| Feed Pressure | 70 – 400 psia (4.8 – 27.6 bar) | 80 – 420 psia (5.5 – 29.0 bar) | 70 – 400 psia (4.8 – 27.6 bar) | 70 – 400 psia (4.8 – 27.6 bar) | 80 – 400 psia (5.5 – 27.6 bar) | 80 – 370 psia (5.5 -25.5 bar) | 70 – 400 psia (4.8-27.6 bar) |
| Nozzle Expansion | 57:1 | 135:1 | 60:1 | 40:1 | 40:1 | 50:1 | 50:1 |
| Valve Power | 18 watts | 18 watts | 30 watts | 30 watts | 72 watts | 72 watts | 58 watts |
| Mass | 0.83 lbm (0.38 kg) | 1.08 lbm (0.49 kg) | 1.58 lbm (0.72 kg) | 1.51 lbm (0.69 kg) | 2.47 lbm (1.12 kg) | 2.47 lbm (1.12 kg) | 3.5 lbm (1.6 kg) |
| Engine Length/Exit Diam | 5.2 in (13.3 cm) / .2 in (0.5 cm) | 9.4 in (41.8 cm) /1 in (2.5 cm) | 8 in (20.3 cm) / 1.5 in (3.8 cm) | 9 in (22.9 cm) / 1.2 in (5.3 cm) | 12 in (30 cm) / 3.3 in (8.4 cm) | 12 in (30 cm) / 3.3 in (8.4 cm) | 16 in (41 cm) / 5.8 in (14.8 cm) |
| Nominal Specific Impulse | 235 sec | 230 sec | 228 sec | 227 sec (LT) 232 sec(HT) | 232 sec | 232 sec | 235 sec |
| Heritage Highlights | P-50, SOLRAD X, MSD, IUE, ISRO APPLE, SUERS, SERVIS-1 Galileo, Sentinel, EMM | P-50, SEASTAR, DSCS III, ICO, TRIANA, SMAP, M2020, Jason CS, MMS, EarthCare, LCROSS, Worldview | ATS-3, Skynet, CTS, MSD, BSE, IUE, ETS, SEASAT, CP-9, NTSIII, CS-2, NPP, MPS, LCROSS, JPSS | Intelsat IV, COBE, TOPEX, GLAST, PACE, MetOp/MPS, ExoMars, SWOT, GOES, LandSat-8 | P-50, IUS, ASAT, CHANDRA, RCS, TRS, MPS, ARAV-C, SLS EUS REM | GRO, MMS | |
