Small liquid rocket

Electric driven pumps. High power capacitors or lithium battery. Pump water through 3d printed pumps to test efficiency. Lox and methane fuel.

Testing

• On-site lox production
• Portable liquid nitrogen condenser
• Insulated external tanks
• Two rigs: lox production and test bench
• Remote operation of lox condenser
• Remote operation of test rig

Sensors

• Pressure sensors for tanks
• Low temperature sensors for condenser, tanks
• Microphones
• Video
• Vibration sensors

LOX production

• Pour liqnit from Dewar into isolated canister.
• Move to remote location.
• Purge condenser and LOX lines and LOX canister with liqnit to precool.
• Dump liqnit from LOX system.
• Cycle liqnit through glass condenser.
• Open OX gas valve through condenser.
• LOX flows into isolated canister.
• Turn off lox gas.
• Purge LOX lines with liqnit.
• Perform test.
• Dump liqnit canister.
• Dump remaining LOX from canister.

Valves

• Open ox gas into condenser
• Dump liqnit from canister
• Dump liqnit from condenser
• Dump lox from tank
• Open lox to test stand

Choose the right valve. Brass and LOX? banggood

Stainless steel 1/8 manual: aliexpress