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Messages - fin_rad

#16
General Chat / Re: Inside the Rad battery and BMS
May 22, 2021, 01:59:13 AM
Thanks @DickB! Good info!
#17
Service & Repair / Re: Wife Upset
April 05, 2021, 09:39:50 PM
Would be interesting to know if it was one of the switches in the switch module that failed?

When I got issues with PAS and turning my bike on / off I opened mine, and only the switches can be damaged by water/humidity. Everything else is inside glue and made waterproof.
#18
Service & Repair / Re: Kenda Juggernaut - 26"
April 02, 2021, 06:14:54 AM
~3000 km and my rear wheel looks like this... But I suppose it can be still driven few km more. :)
#20
Youtube is a good source also for this :)
https://youtu.be/CJ-wz-magJI
#21
I would like to have longer mudguards for my RadRhino. Especially to the front. When snowing and/or there is plenty of soft snow, front tire will throw it around covering the headlight after a while. Same thing with mud. I also would like more classic look since I don't drive that far off the road. ;)

Has anyone found bigger / longer mudguards for this Rad model?
#22
Rad Modifications / Re: Bafang motor upgrade comparison
February 08, 2021, 09:36:09 PM
My ebike is the RadRhino 750W EU my 2019, if that's what you asked? Original one, I have not changed it (yet :) ).
#23
Rad Modifications / Re: Bafang motor upgrade comparison
February 08, 2021, 08:15:55 PM
Interesting, I contacted the Bafang support by email and asked them to check the motor model from its serial number... And they answered it is a 500W.

Edit: typos
#24
Rad Modifications / Re: Bafang motor upgrade comparison
February 06, 2021, 11:48:27 AM
Quote from: JTK77 on February 03, 2021, 09:34:59 PM
Quote from: fin_rad on February 03, 2021, 08:01:41 PM


Quote from: Altema on January 20, 2021, 11:30:39 AM
The Bafang model number is RM G060.750.D 06
Rad controller limits the motor power. The Rad motor internal RPM limiter limits the speed.

Is there any stamps on the motor (inside or outside) where I could identify which model the motor is? Just being curious and interested in learning how the ebike systems work. :)

The meaning of Bafang model markings:
G060 = casing identification
750 = nominal rating
D = freewheel (DC = freehub)
(6) = winding identification (smaller is faster, no it directly equal to KV)

All Power versions within same casing series are swappable.
Rated model not possible to say what from casing as OEM customers can have custom labeling or motor core can ne swapped.
Rad has done both. In the past casing swap (+sticker) and nowadays custom labeling.
KV can ne identified by no load speed (wheel of the ground full throttle) If you have the throttle.
Thank you for a good answer again - once more the answer opened more questions... So I will follow the path to learn more about electric motors. ;)
#25
I think the change has finally happened. Even the so called average buyers have started to believe and trust in electric vehicles. Many stories how ebikes have helped people to start exercising again. How they have saved money after changing their car to an ebike. And like said among the other manufacturers Rad Power Bikes have made ebikes available to more people by affortable pricing and a good support network.

Before I hardly bicycled at all, now I made over 2400 km on the first year with my RadRhino - even on the cold and snowy winter months which I have not done ever before!
#26
Rad Modifications / Re: Bafang motor upgrade comparison
February 03, 2021, 08:01:41 PM


Quote from: Altema on January 20, 2021, 11:30:39 AM
The Bafang model number is RM G060.750.D 06
Rad controller limits the motor power. The Rad motor internal RPM limiter limits the speed.

Is there any stamps on the motor (inside or outside) where I could identify which model the motor is? Just being curious and interested in learning how the ebike systems work. :)
#27
Rad Modifications / Re: Bafang motor upgrade comparison
January 24, 2021, 02:09:05 AM
Quote from: Altema on January 21, 2021, 12:39:30 PM
Quote from: fin_rad on January 21, 2021, 07:38:29 AM
Thank you @Altema, that was a clear explanation how these things work.

Not sure if it would be possible that the RPB has used different types of Bafang hub motors under their 750W label? Because the hub motor I got in my RadRhino 750W EU gets so warm on average 350W (PAS 3) and on a 20 km average trip that it can melt snow around it. Until the gears got frozen when melted water turns into ice... So it surely gets warm enough even on some minus degrees (between 0 - -10 C).
Based on that, it seem to me that the EU motor is different. I have a road near me with a 96 foot elevation gain. I rode my RadMini up it on throttle only, and the motor was barely warm. Same thing after 12 minute rides on mountain bike trails, and I was actually hoping the motor would be able to warm my fingers up, but it wasn't!
I recall checking the hub motor and controller when it was summer time here and over +20 C degrees - both did not feel even warm after a long trip on PAS level 3-5. More likely the motor is the same than yours and just generates enough heat while riding in winter temperatures that it can melt the snow.

Good though it is possible to upgrade the components. Not so easily done if you had a Bosch, Shimano etc. :)
#28
Rad Modifications / Re: Bafang motor upgrade comparison
January 21, 2021, 07:38:29 AM
Thank you @Altema, that was a clear explanation how these things work.

Not sure if it would be possible that the RPB has used different types of Bafang hub motors under their 750W label? Because the hub motor I got in my RadRhino 750W EU gets so warm on average 350W (PAS 3) and on a 20 km average trip that it can melt snow around it. Until the gears got frozen when melted water turns into ice... So it surely gets warm enough even on some minus degrees (between 0 - -10 C).
#29
Rad Modifications / Re: Bafang motor upgrade comparison
January 20, 2021, 04:00:45 AM
Cannot edit my previous post, so let's write a new one then..

Found an interesting conversation:
https://electricbikereview.com/forums/threads/misleading-motor-information.34104/
There they say the Rad's 750W motor is actually a 350/500W motor that is just over-volted to the 750W peak power. Someone checked the real model by emailing Bafang directly with the motor's serial number and Bafang answered it to be the 500W version.
My wild guess is that the motor used by Rad is this one: https://bafang-e.com/en/oem-area/components/component/motor/rm-g060500dc/
So the nominal power is 500W and the peak power up to 750W (which I have never reached according to the bike's display, but around 730W).

Here are good details about the RadRhino 750W EU version (L1-eA) if someone needs: https://electricbikereview.com/rad-power-bikes/radrhino-750w/
#30
Rad Modifications / Re: Bafang motor upgrade comparison
January 19, 2021, 09:08:16 PM
Thank you for sharing this info! Do you know what Bafang model the 750W hub motor is? Curious to see its specifications. And in which part (motor, controller) the power limitation is made that causes the stock 750W motor not giving the full power?

Edit: also are there somewhere photos / videos how the upgrade motor looks inside?