AQUILA V1
Scratch / Self built
🔧 Building🔧 Scratch built
AQUILA V1 is a scratch-built experimental water rocket using a multi-bottle PET pressure vessel. It features a custom 3D-printed fin can, three 5 mm XPS fins, interchangeable nozzle diameters, an electronic parachute deployment system using a Mercury V1 altimeter, and a 70 cm parachute. Designed primarily for altitude testing and iterative aerodynamic development.
Flight history
No flights recorded yet
Physical specifications
Diameter
88.00 mm
Length
1320.00 mm
Empty weight
450.00 g, no motor
Fins
3 SELITAC 5 mm (XPS foam)
Body material
PET Bottle
Motor & recovery
Stages
1
Recovery
Parachute
Chute size
70.0 cm
MOTOR MOUNTS
Custom
Aerodynamic data
Drag Cd
—
Reference area
0.005970 m²
CP
—
CG
—
Build notes
Custom PET multi-bottle pressure vessel with 35 mm bonded overlap joints. Main body diameter 87.2 mm. Reinforced 3D-printed fin can with three removable XPS fins and dual locking pins. Interchangeable 7.0; 7.5; 8.0; 8.5; 9.0; 9.5; 10.0 mm water nozzles. Custom 3D-printed nose section containing Mercury V1 flight electronics, LiPo battery and linear-servo parachute release. Pressure vessel undergoing hydrostatic validation before flight.
Comments & reactions
Neil
13-Sep-2026 at 00:47
That looks amazing!
Haiirone
17-Sep-2026 at 19:13
Thanks! This image was generated with AI, but the real rocket should look very close to this overall. The general shape, proportions and design are already pretty much what weâre building.
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