Rough calculations for required characteristics

Brushless motor calculation forum thread

Motors to buy

Several criterias to have in mind; in no particular order:

• Pancake shape (bigger diameter, thinner case) - more torque
• Smaller weight/size
• Smaller KV (more torque/less speed)
• Bigger number of poles (more torque)
• Price
• Overall power
• Max current and rated voltage
• Build quality

Narrow choice motors

Maytech

Maytech 8626 100kv 86x26,5mm 250g

T-Motor

T-Motor Antigravity 5008 KV170 270mOm 6s 128g 24N28P 55.6x32mm 720W 90Dollars
T-Motor Antigravity 6007 KV160 227mOm 6-12s 180g 18N22P 67x30.1mm 864W 120Dollars
T-Motor Antigravity 6007II KV160 178mOm 12S 159g 24N28P 67.2x26.1 1120W 130Dollars

Other interesting options

Sunnysky motors

MIT Mini cheetah 135KV 123 mOm 230g 86.8x23.9 36/42 Min order 1 Imax-30A/30s
Link No.2 MIT Mini cheetah 135KV Min order 4
MIT Mini cheetah 100kV 181mOm 230g 36/32 86.8x23.9 Min order 4 Imax-25A/180s
Sunnysky V5210 300KV 76mOm 200g 59x25 24/28 Min order 1 Imax-44A/30s
Sunnysky V4004 300KV 448mOm 51g 43.6x16 18/24 Min order 1 Imax-10A/60s
Sunnysky V4006 320KV 230mOm 66g 43.6x18mm 18/24 Min order 1 Imax-15A/60s
Sunnysky V5208 340KV 78mOm 175g 59x23 24/28 Min order 1 Imax-35A/30s

Others

Eaglepower LA8308 drone UAV 100kV 246mOm 90x26.5mm 279g
140V 245g 87mm
7025 TYI-POWER 170KV 87x34mm 189mΩ
UAV Motor 350KV 48x21mm 90g
Drone Motor 600kV 45x25mm 18n24p 86g
105kV UAV Motor 87x24.5mm 228g 186mOm