DeepSpace Aether 1505

What it pulls

DeepSpace’s own bench test, one line per prop. Drag across the chart to move the throttle; the model above follows.

What you get for $13.90

• 623 g on a GF 3520-3

  On DeepSpace’s bench it pulled 623.2 g at full throttle on a GF 3520-3 at 15.9 V, drawing 19.8 A.

  Source: DeepSpace spec image

• One-piece bell

  DeepSpace calls it a uni-bell structure, chosen for looks and durability.

  Source: DeepSpace spec image

• Arc magnets, heat-resistant winding

  Arc magnets for high power output, and a winding DeepSpace rates for high temperature so it stays stable under high power.

  Source: DeepSpace spec image

• Prop mount on the bell

  A 1.5 mm shaft with four M2 holes on a 5 mm circle in the top of the bell.

  Source: DeepSpace spec image

What to pair it with

Our reading of DeepSpace’s numbers, so your build matches what the motor was tested with.

ESC

DeepSpace gives a 20.1 A peak, the full-throttle current on the HQ T3×3×3 at 15.9 V. (DeepSpace spec image)

Props

DeepSpace tested three props at about 16 V: full throttle gave 443.6 g on the GF D63, 553.6 g on the HQ T3×3×3 and 623.2 g on the GF 3520-3. (DeepSpace spec image)

Battery

4S. (DeepSpace spec image, DeepSpace product page)

Frame

Four M2 holes on a 12 mm circle. (DeepSpace spec image)

Where to buy

• DeepSpacethe maker’s store; one motor
  $13.90seen Oct 19, 2026
  Visit

Plain links, not affiliate links. Prices change; the store’s page has the current one.

Full specs

Bench data

Redrawn from DeepSpace’s test reports. Thrust is static pull on a bench, more than you get in flight. Power is volts × amps; efficiency is thrust divided by power.

Inside the motor

A brushless outrunner: the coils stand still in the middle and the magnets spin around them. From the top down:

• Bell. One-piece (uni-bell) structure. (DeepSpace spec image)
• Winding. High-temperature-resistant winding. (DeepSpace spec image)

How fast it spins

KV is the motor’s no-load speed per volt. With nothing on the shaft, the 4000KV version reaches about these speeds; a prop loads the motor and brings it down, typically to around 70–75% of these figures at full throttle.

A 14-pole rotor has 7 pole pairs, so every turn of the shaft is 7 electrical cycles, and a six-step ESC switches the phases 42 times per turn.

About the 3D model

A generic outrunner drawn from DeepSpace’s published sizes: the 15 × 5 mm stator, 19.5 mm bell, 13.7 mm height, 1.5 mm shaft, 12 mm mounting circle and 12 teeth and 14 magnets. Anything DeepSpace doesn’t publish is typical for a motor this size, and the bell’s spoked top, the base and the inside are a generic design, not this motor’s. The colours are read off the maker’s product photos. There are no logos or markings: it is our drawing, not the maker’s.

Sources

1. DeepSpace: Aether 1505 4000KV 4S Brushless Motor For 2.5-3.5inch FPV Freestyle Drones (product page). Retrieved Oct 19, 2026.
2. DeepSpace: Aether 1505 description image (features, spec list, testing data at about 16 V on three props, product drawing and packing list; one long image on the product page). Each row’s voltage is as measured; the table’s voltage is its 30% row. Temperatures are the motor’s operating temperature at 29 °C ambient.. Retrieved Oct 19, 2026.
3. DeepSpace: Aether 1505 product photo (first gallery image). Retrieved Oct 19, 2026.
4. DeepSpace: Aether 1505 product photo of the bell’s top (gallery on the product page). Retrieved Oct 19, 2026.