Two-Stage L2
ARD's first two-stage design: a Level 2 rocket at simulation stage.
- Stages
- Two-stage
- Propulsion
- Solid
- Motor
- AeroTech HP-J270W / Cesaroni 315H255-14A
- Length
- 1.6 m
- Diameter
- 86.6 mm
A two-stage Level 2 rocket designed in OpenRocket: a sustainer on a Cesaroni 315H255-14A, boosted by an AeroTech HP-J270W. Each stage has four carbon-fibre fins and its own parachute. The design is at simulation stage.
01Anatomy
Take it apart
C-01·Nose cone · Stage 2 (sustainer)
Nose cone
A parabolic fibreglass nose cone.
- Shape
- Parabolic
- Material
- Fibreglass
- Length
- 300 mm
C-02·Recovery system (parachutes) · Stage 2 (sustainer)
Sustainer recovery
The sustainer's parachute, deployed at apogee.
- Parachute
- 68.5 cm, at apogee
C-03·Motor and propulsion · Stage 2 (sustainer)
Sustainer motor
A 29 mm Cesaroni 315H255-14A in the aft end of the 700 mm sustainer tube.
- Motor
- Cesaroni 315H255-14A (29 mm, H class)
- Body tube
- 700 mm fibreglass
C-04·Fin can · Stage 2 (sustainer)
Sustainer fins
Four freeform carbon-fibre fins.
- Count
- 4
- Material
- Carbon fibre
C-05·Interstage · Stage 1 (booster)
Interstage
A 160 mm coupler joins the booster to the sustainer.
- Coupler
- 160 mm
C-06·Recovery system (parachutes) · Stage 1 (booster)
Booster recovery
The booster's own parachute, deployed at 200 m on the way down.
- Parachute
- 65 cm, at 200 m
C-07·Motor and propulsion · Stage 1 (booster)
Booster motor
A 38 mm AeroTech HP-J270W in the 600 mm booster tube.
- Motor
- AeroTech HP-J270W (38 mm, J class)
- Body tube
- 600 mm fibreglass
C-08·Fin can · Stage 1 (booster)
Booster fins
Four freeform carbon-fibre fins.
- Count
- 4
- Material
- Carbon fibre
02Systems
Propulsion and ground
Stage 1 · Motor
AeroTech HP-J270W
- Propellant
- Solid
- Impulse class
- J
Booster motor, 38 mm.
Stage 2 · Motor
Cesaroni 315H255-14A
- Propellant
- Solid
- Impulse class
- H
Sustainer motor, 29 mm.

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