Cold Gas Thrusters

101-112-1-Cold-Gas-Thrusters-grey-bckgrd-700x400.psd



Moog cold gas thruster valves are normally closed direct acting, solenoid actuated devices.

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Overview

Moog produces cold gas thrusters in a variety of thrust ranges to meet mission requirements. Typical thrusts range from 10mN to 4N. Moog cold gas thrusters have flown on Psyche, SAFER, Spitzer Space Telescope, CHAMP, GRACE, and Pluto Fast Flyby.

101-110-1-Cold-Gas-Thrusters-grey-bckgrd-700x400.psd
101-111-1-Cold-Gas-Thrusters-grey-bckgrd-700x400.psd
101-112-1-Cold-Gas-Thrusters-grey-bckgrd-700x400.psd
101-113-1-Cold-Gas-Thrusters-grey-bckgrd-700x400.psd
101-114-1-Cold-Gas-Thrusters-grey-bckgrd-700x400.psd

 

Parameter  

 

     
Propellant GN2 GN2 GN2 GN2 GN, GAr, Xe
Material Stainless Steel, Fluorosilicone Stainless Steel, Nylon Stainless Steel, AFE411  Stainless Steel, Nylon  Stainless Steel, Vespel
Nominal Thrust

10 mN (0.0022 lbf),

16 mN (0.0036 lbf),

40 mN (0.0090 lbf)

@ 1.5 bar (21.75 psia) GN2

120 mN (0.027 lbf)

@ 6.9 bar (100 psia) GN2

120 mN (0.027 lbf)

@ 6.9 bar (100 psia) GN2

3.6 N (0.8 lbf)

@ 15.7 bar (230 psia) GN2

1.3 N @ 90 bar

(1300 psia) Xe inlet,

0.9N @ 90 bar (1300 psia)

GN2 and GAr inlet

Specific Impulse (Nom) > 60 sec > 57 sec 65 sec 57 sec

21 sec Xe

70 sec GN2

54 sec GAr

MEOP 10.0 bar (145 psia) 20.7 bar (300 psia) 27.6 bar (400 psia) 15.7 bar (230 psia) 186 bar (2700 psia)
Proof 20.0 bar (290 psia) 41.4 bar (600 psia) 70.0 bar (1015 psia) 76.9 bar (1115 psia) 279 bar (4050 psia)
Burst 40.0 bar (580 psia)  82.7 bar (1200 psia) 111.4 bar (1615 psia) 155 bar (2250 psia) 465 bar (6750 psia)
Leakage - Internal

< 0.1 scch GN2

@ 2.5 bar (36 psid) 

< 0.1 sccm GN2

@ 13.8 bar (200 psid)

< 2.8x10-4 scc/s GHe

< 2.0 sccm GN2

@ 4.1 bar (60 psig)

< 1.0 x 10-4 sccs GHe

@ MEOP

Leakage – External < 1.0x10-5 su/s GHe

< 1.0x10-6 scc/s GHe

@ 27.6 bar (400 psid)

< 1.0x10-6 scc/s GHe

< 1.0 sccm GN2

@ 4.1 bar (60 psig)

<1.0 x 10-6 sccs GHe

@ MEOP

Operating Voltage

22-32 Vdc, 28 Vdc Nominal,

10 Vdc Holding

27-29 Vdc, 28 Vdc Nominal 22-34 Vdc, 28 Vdc Nominal 27-29 Vdc, 28 Vdc Nominal 28 Vdc nominal, 10 Vdc hold
Power 10 W open, 1 W holding < 35 W @ 28 Vdc, 20°C

< 10.5 W @ 28 Vdc, 20°C

1.5 W @ 10 Vdc (holding)

30 W @ 28 Vdc, 20°C

10.5 W nominal @

28 Vdc @ 21˚C,

1.3W @ 10 VDc holding voltage

Coil Resistance 86 Ohms at 20°C (68°F) 26.8 Ohms at 20°C (68°F) 75 Ohms at 20°C (68°F) 28 Ohms at 20°C (68°F) 74.5 Ohms nominal
at 21˚C (68˚F) 
Response – Opening < 2.5 msec

< 3.5 msec @ 28 Vdc,

13.8 bar (200 psia) 

< 5 msec < 4 msec < 10 msec
Response – Closing < 2.5 msec < 3.5 msec @ 28 Vdc,
 13.8 bar (200 psia)
< 3 msec  < 4 msec < 10 msec
Life (Cycles) 500,000 – 2,000,000 20,000 1,000,000 > 10,000 > 100,000
Operating Temperature

-50°C to +60°C

(-58°F to +140°F)

-40°C to +60°C

(-40°F to +140°F)

-25°C to +75°C

(-13°F to +167°F)

-40°C to +60°C

(-40°F to +140°F)

-70°C to +60°C

(-94°F to +140°F) 

Inlet Filtration none 10 micron Absolute  40 micron Absolute 10 micron Absolute  25 micron Absolute
Dimensions

Ø14 mm x 57 mm long

(Ø0.55” x 2.25”)

Ø14 mm x 20.3 mm long

(Ø0.55” x 0.8”)

Ø19.1 mm x 41 mm long

(Ø0.75” x 1.6”)

Ø6.6 mm x 25.4 mm long

(Ø0.26” x 1.0”)

Ø23.8 x 53.1 mm long

(Ø0.94” x 2.1”)

Mass 40 grams (0.09 lbm) 16 grams (0.035 lbm) 70 grams (0.15 lbm) 23 grams (0.05 lbm) 115 grams max (0.25 lbm) 
Heritage CHAMP and GRACE Spitzer Space Telescope Spitzer Space Telescope SAFER, Pluto Fast Flyby GEO applications
Model No.

058E143

058E145

058E146

058E142A 058E151 058-118 58E163A