Any other motors similar to grin all axle?

[Hummina Shadeeba]

Any motor design features worth adding to a motor for this bike?

 

[neptronix]

It's an extremely weight optimized design. I don't know of any DD hub motor like this.

 

[2old]

Grin has a handy system to order the necessary bits with the motor, but my total for a rear motor and wheel build was $1500 (Plus tax, shipping and tariff, if applicable; I quit at the $1500 junction). I'll stick to mid drives.

 

[gromike]

I run one of them on a FS MtB, with a baserunner controller and a bidirectional throttle. It is very quick and responsive on the throttle, so much so as to be a emoto. It still pedals well but with that responsive throttle, well that is what I do. Though, now I'm thinking I need a higher capacity battery.

 

[neptronix]

Grin has a handy system to order the necessary bits with the motor, but my total for a rear motor and wheel build was $1500 (Plus tax, shipping and tariff, if applicable; I quit at the $1500 junction). I'll stick to mid drives.

Did that include a controller and a bunch of other stuff?

For an all axle 45mm with wheel build, i got up to $1,131.90 before tax.
For the regular size motor, i can get it down to $795 with a built wheel before tax.

Looking to save a bit of money on the controller and/or have more power? this motor doesn't have exotic controller requirements, so you could get away with a cheap one.

I think you won't be paying orange man tax in the USA because this should be CUSMA compliant since it's mostly manufactured in Canada.

 

[2old]

A Phase Runner was included. I'd like to try the lighter motor since I ride almost exclusively off road, and a heavy wheel isn't feasible (for me). I'll see what a bare bones (inexpensive controller, no wheel build etc) costs next, but $40 for a simple throttle or $160 for a better one seems usurious.

 

[hillslayer@]

A Phase Runner was included. I'd like to try the lighter motor since I ride almost exclusively off road, and a heavy wheel isn't feasible (for me). I'll see what a bare bones (inexpensive controller, no wheel build etc) costs next, but $40 for a simple throttle or $160 for a better one seems usurious.

The use description screams mid drive, don't see why you want a hub.

 

[Hummina Shadeeba]

What u think of this axle/shaft? with less need for strength since the motor won’t be supporting weight in the bike above I’m hoping to find a lighter axle design that also allows huge airflow

A Phase Runner was included. I'd like to try the lighter motor since I ride almost exclusively off road, and a heavy wheel isn't feasible (for me). I'll see what a bare bones (inexpensive controller, no wheel build etc) costs next, but $40 for a simple throttle or $160 for a better one seems usurious.

thats why I got the bike above. In fact I thought the design was so great I bought two and thought everyone would want it but now I’m selling for a loss. Got it for $900 and would let it go for $550


Going to get this axle/shaft made in two parts that I’ll glue together. (They’ll overlap at the widest 100mm diameter and glue there). I’ll add holes that will feed air from inside the axle to into the motor and across the airgap to a more central bunch of exit holes with air pulled out with a design like this


I just found this on AliExpress: $50.98 | Centrifugal Spray Disc For DJI T20P/T25/T40/T50 T60 Alloy Dual Layer Centrifugal Disc Agras Agriculture Drone Part 1piece

https://a.aliexpress.com/_mNz0OuF

(4) m3 or m4 bolts on both sides connecting to torque arms


Not much to show but hoping to get feedback. I’m guessing on how thick things need to be other than the amount of material around bolt holes. So air in one of these sides with a scoop or not and then holes on the far inside to freed into the real motor, where the air is pulled back around and out with the fan I posted. I’m repeating myself I know.

 

[neptronix]

No reason you have to use their controller.
This motor is easily driveable with the cheapest and crappiest controllers.
Their wheel build cost is reasonable and the quality of the built wheel is high. I'd always have them build it.

I use a VESC because anything i plug in to it, it will run, in the exact manner that i would like to run it.
I find the all axle mounting interface to be invaluable. It is very easy to engage/disengage the wheel. And the lightness is amazing. And the stronger magnets do help with the torque.