If you are looking for a low cost and good quality motor for multirotors, here is what you need: EMAX XA2212 motor.

Different KVs for various types of models:

KV820: suitable for 3D flat foam planes, and slow-fly trainers

KV980: suitable for multirotors and 3D planes or puller prop trainers with a wing-span of 1M to 1.2M

KV1400: suitable for pusher prop FPV planes, high-speed wings

The Emax XA2212-1400kv is a 1.8 oz., 245 watt 400 class motor that is a good choice for pusher-prop FPV planes, flying wings, and most planes weighing up to 2 lbs. that can use an 8 inch prop

The Emax XA2212-1400kv motor can be mounted in front of a firewall using the included x-mount.? It can also be mounted on a 10mm stick using an Aluminum Motor Mount for 10mm Sticks.?? The Emax XA2212-1400kv motor includes a 3.0mm prop adapter, and can alternately accommodate a 3.0mm prop saver (sold separately).

The Emax XA2212-1400kv motor does not have connectors installed, but a set of 3.5mm connectors and shrink tube is packaged with the motor.

The Emax XA2212-820kv is a 1.8 oz., 140 watt 400 class motor that is a good choice for small parkflyers including 3D profile foamies.

The Emax XA2212-820kv motor can be mounted in front of a firewall using the included x-mount.? It can also be mounted on a 10mm stick using an Aluminum Motor Mount for 10mm Sticks.?? The Emax XA2212-820kv motor includes a 3.0mm prop adapter, and can alternatively accommodate a 3.0mm prop saver (sold separately).

The Emax XA2212-820kv motor does not have connectors installed, but a set of 3.5mm connectors and shrink tube is packaged with the motor.

The Emax XA2212-980kv is a 1.8 oz., 180 watt 400 class motor that is a good choice for small parkflyers and small multi-rotor aircraft.

The Emax XA2212-980kv motor can be mounted in front of a firewall using the included x-mount.? It can also be mounted on a 10mm stick using an Aluminum Motor Mount for 10mm Sticks.?? The Emax XA2212-980kv motor includes a 3.0mm prop adapter, and can alternately accommodate a 3.0mm prop saver (sold separately).

The Emax XA2212-980kv motor does not have connectors installed, but a set of 3.5mm connectors and shrink tube is packaged with the motor.

Outrunner Motor

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