This was our first wheel design, and still the most popular. First launched in April 2008, there are now 55 units on-orbit. Most of these are onboard the University of Toronto SpaceFlight Lab’s GNB series of spacecraft. They fit comfortably into a 6U to 12U CubeSat.
| Name | RW-0.03 |
| Manufacturer | Sinclair Interplanetary |
| Subsystem | ACDS |
| Classification | Reaction Wheel |
| Form Factor | CubeSat |
| TRL | 9 |
| Heritage | Yes |
| Vendor Name | Sinclair Interplanetary |
| Vendor Website | http://www.sinclairinterplanetary.com |
| Vendor Location | Canada |
| Subsystem | ACDS |
| Classification | Reaction Wheel |
| Form Factor | CubeSat |
| Vendor | Sinclair Interplanetary |
| Heritage | Yes |
| Mass | 0.185 kg |
| Nominal Power | 0.3 W |
Sinclair Interplanetary – RW-0.03
