GoldenMotor.com Forum

General Category => Magic Pie & Smart Pie Discussions => Topic started by: Just on January 03, 2014, 11:57:03 AM

Title: Smart Pie 12"
Post by: Just on January 03, 2014, 11:57:03 AM

Hi All,

As for the Smart Pie 12" motor, where can I see its specifications - max power, speed, etc?

Is 12" for rim or wheel?

Thank you!

Title: Re: Smart Pie 12"
Post by: Andrew on January 04, 2014, 10:14:46 PM

i imagine you can put through 400+ watts.  24 mph would be a good aim.

if you have a 48 volt battery try 10 amps. if you have a 36 volt battery try 12 amps.

Title: Re: Smart Pie 12"
Post by: Just on January 05, 2014, 06:29:52 AM

Is this 12" wheel or 12" rim? What are the external dimensions with a tyre?

Interesting, if I'll not limit the current in the Controller, how much would it able to draw on the hills...

Is there a matter how much current to define for peak current?

Title: Re: Smart Pie 12"
Post by: Andrew on January 05, 2014, 11:23:28 AM

yep, you would not much more than 400+ watts at peak to start with, and go from there.

Here's a quote from Bikemad's review from the reviews page.........

Power Consumption
Here are the results recorded on my watt meter during some of my test rides:

Controller factory set to 15 Amps continuous 45 Amps max
Maximum current: 17.74 Amps
Minimum Voltage:  30.16 Volts
Maximum Power:   546.8 Watts
Maximum Speed: Not Measured

Controller reprogrammed to 30 Amps continuous 70 Amps max
Maximum current: 33.15 Amps
Minimum Voltage:  31.83 Volts
Maximum Power:   1055.1 Watts
Maximum Speed: 18.1 mph (measured with my phone's GPS)

Also tested on 51.8V 14 cell 5Ah LiPo pack weighing 2.06 kg (4.54 lbs)
Maximum current: 31.72 Amps
Minimum Voltage:  51.98 Volts
Maximum Power:   1648.8 Watts
Maximum Speed:   25.3mph (measured with my phone's GPS)