The Power Up 400 Slofly is a 1.8 ounce, 930KV, 400 class outrunner brushless motor that works well on many small to medium size parkflyers in the 10 to 30 ounce range. It will produce up to 27 ounces of thrust when using a 3 cell Lipo battery. This motor includes an X mount and prop adapter!
The Power Up 400 Slofly is a good choice for medium to slow speed models such as the GWS Slow Stick, GWS Estarter, GWS Beaver, GWS Tiger Moth, and many Cub and Decathlon models.
We suggest using the GWS EP9050 prop for general flying with the Power Up 400 Slofly. You'll have about 25 ounces of thrust with a fresh 3-cell Lipo battery, and a maximum amp draw of around 10 amps at wide open throttle. A very good prop for efficient slow flight is the APC 9x3.8SF.
Good battery choices include the EZ Flite 860 30C through the 11.1v 2200 30C Lipos.
We recommend using the Power Up 20 Amp ESC with the Power Up 400 Slofly motor. All Power Up Electronic Speed Controls come with a T-plug battery connector and 3.5mm female connectors installed, so no soldering is needed to connect to the Power Up 400 Slofly motor and a Power Up Lipo battery.
MOUNTING OPTIONS: The Power Up 400 includes an X mount that makes it easy to mount the motor in front of a firewall. It also can be mounted on the front of a GWS Plastic Outrunner Mount, or Aluminum Outrunner Mount for 10mm Sticks, making it a drop-in fit for many planes with 10mm sticks.
A 3.17mm Prop Adapter is included with the Power Up 400 Slofly for mounting props.
Propeller test data when using a 3-cell Lipo battery:
APC 9 x 3.8SF: 27 oz thrust at 11.5 amps. Best choice for slow flying models.
GWS EP9047: 25 ounces of thrust at 11 amps.
GWS EP9050: 25 ounces of thrust at 10 amps. Good choice for medium speed models.
GWS 9050x3 3-blade: 26 ounces of thrust at 11.5 amps.
TP 9 x 6E: 26 oz thrust at 12 amps.
APC 8 x 3.8SF: 21 oz thrust at 9 amps.
GWS EP8040: 17 ounces of thrust at 6 amps.
GWS 8040x3 3-blade: 18 ounces of thrust at 7 amps.
TP 8 x 4E: 18 oz thrust at 8 amps.
GWS EP8043: 19 ounces of thrust at 7 amps.
TP 8 x 6E: 16 oz thrust at 10 amps.
GWS HD8060: 19 ounces of thrust at 9 amps.
TP 7 x 6E: 14 oz thrust at 7 amps.
Propeller test data when using a 2-cell Lipo battery:
GWS EP1170: 19 ounces of thrust at 9.5 amps.
GWS EP1060: 15 ounces of thrust at 7 amps.
Please be aware that the battery used can make a tremendous amount of difference in the performance of brushless motors. The above data was obtained using batteries in good condition that were fully charged. Thrust and amp draw may be less with the use of batteries rated at lower amp output, and slightly more using batteries rated for higher amp output. Other factors, such as ESC timing and variations in actual motor KV can affect the performance of brushless motors as well. We recommend the use of a Watt Meter to test the current draw of your particular power system, especially if you plan to use a prop that pushes the motor near it's maximum amp rating.
Power Up 400 Slofly Specifications:
Weight = 1.8 ounces (52 grams)
Diameter = 1.1 inch (28 mm)
Motor length = 1.1 inch (28 mm)
Shaft = 1/8 inch x 0.4 inch (3.17mm x 10 mm)
Voltage = 7.2 - 13.0
Current = maximum of 12 amps for 30 seconds
KV = 930
Mounting holes are spaced 16mm and 19mm on center and are tapped for 3mm screws.
Please visit the Heads Up RC Brushless Motor Guide for help in deciding whether this is the best motor for your plane.
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