Solar Impulse HB-SIA four-motor electric propulsion system
The Solar Impulse HB-SIA prototype used an integrated four-motor electric propulsion system. Each electric motor was rated at 10 CV (about 7.5 kW), with battery storage and power-management hardware distributed through the motor nacelles.
Identity
- Aliases
- HB-SIA electric propulsion systemSolar Impulse 1 electric propulsionHB-SIA four electric motors
- Domains
- aviation
- Identity Level
- integrated-system
- Kind
- integrated-propulsion-system
- Name
- Solar Impulse HB-SIA four-motor electric propulsion system
- Status
- historical
Details
- Description
- The Solar Impulse HB-SIA prototype used an integrated four-motor electric propulsion system. Each electric motor was rated at 10 CV (about 7.5 kW), with battery storage and power-management hardware distributed through the motor nacelles.
Links
Assets & Meta
- Creation Time
- September 8, 2026 at 09:56:59 UTC
- Updated Time
- September 8, 2026 at 09:56:59 UTC
Other
- Search Name
- Solar Impulse HB-SIA four-motor electric propulsion system HB-SIA electric propulsion system Solar Impulse 1 electric propulsion HB-SIA four electric motors
- Sources
- Accessed Date
- 2026-09-08
- Note
- The Cité des sciences technical page identifies HB-SIA and specifies four electric motors of 10 CV each, with solar-electric energy stored in batteries distributed through four nacelles.
- Publisher
- Cite des sciences
- Title
- Solar Impulse 1 exhibition
- Accessed Date
- 2026-09-08
- Note
- Solar Impulse and EPFL material identifies the first prototype HB-SIA motor technology as developed with ETEL and records the electric-motor magnet architecture; no commercial motor model is asserted.
- Publisher
- Solar Impulse / EPFL
- Title
- MAGNETS