# ThinGap LSI 105-33 Slotless Motor Kit

105 mm slotless, zero-cogging frameless kit with 78 mm clear bore and very high peak-to-continuous ratio; benchmark for smooth gimbal and precision joints.

- Maglev ID: mo-thingap-lsi-105-33
- Brand: ThinGap (Allied Motion)
- MPN: LSI 105-33
- Category: motors / Frameless BLDC Torque Motors
- Origin: US (maker HQ, factory not confirmed)
- Maker: ThinGap (brand, US)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8501.31.40.00 (typical)
- MOQ: unknown · Lead time: 16-20 weeks average (series page)
- Confidence: VERIFIED

## Price
- No public price. Request a quote via POST /api/rfq or the order pad.

## Specifications
- Peak torque: 24.4 Nm (1 s); 14.1 Nm (3 s)
- Continuous torque: 1.77 Nm at max speed (unhoused)
- Outer diameter: 105 mm
- Axial length: 33 mm axial height
- Voltage: 89.5 Vpk l-l required at max speed (WYE series winding)
- Mass: 681 g part set (rotor 389, stator 292)
- Through hole: 78 mm
- Max continuous speed: 2050 rpm
- Torque constant: 0.46 Nm/Arms (WYE series)
- Max continuous phase current: 4.0 Arms (WYE series)
- Magnetic poles: 26
- Cogging: zero (slotless)

## Links
- Product: https://www.thingap.com/ls-series/
- Datasheet: https://www.thingap.com/wp-content/uploads/2026/02/LSI-105-33-Datasheet-Rev-L.pdf
- CAD: https://www.thingap.com/wp-content/uploads/2020/03/VirtualAssembly_105-033.step

## Sources
- https://www.thingap.com/ls-series/ (LS series table, lead times, STEP links)
- https://www.thingap.com/wp-content/uploads/2026/02/LSI-105-33-Datasheet-Rev-L.pdf (datasheet Rev L; Hall option available: full specs)