Search found 292 matches

by knutselmaaster
Mar 28 2020 3:43pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

I haven't got an 850 / 860 / 102 display here but I will see if I can manage to get one.
by knutselmaaster
Mar 28 2020 3:34pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

@casainho I have professional battery testing equipment in my shop, don't hesitate to ask if you need some test data of packs with known configuration, cell type and age to compare with your data.
by knutselmaaster
Mar 23 2020 8:05am
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Indeed, I used the bafang crank on each and every motor I installed up till now.
Never had a client's bike where this wasn't needed.
I wonder why the manufacturer never corrected this.
Does anyone here have a well centered setup with the default crank arms?
by knutselmaaster
Mar 20 2020 1:34pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: what's that sound?

Casainho, Do you have brake sensors instaled? Yes, I do have now. My very first time, I didn't and the blue gear wore just after 20 kms, after I did a few brakes with motor at max power settings of original firmware. The blue gear did damage to me only on that situation and after some times when my...
by knutselmaaster
Mar 18 2020 5:22pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Hasse67 wrote:
Mar 18 2020 2:09pm
It's a mountain bike and I'm lightweight, about cadence at highest gear I don't know,
Is it so, that the motor stops providing power at a certain cadence?
On 26" wheels, with default 42 front and 11 rear it should do about 40km/h but you need to add some good old muscle power to reach it.
by knutselmaaster
Mar 18 2020 1:19pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

One of the wires coming from controller to the display has original battery voltage, in my case 48v. I've got dc-dc step down voltage converter with usb that I'm planning on wiring to that wire to be able to charge various things while on the move, such as phone. Any ideas what kind of current this...
by knutselmaaster
Mar 09 2020 9:53am
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Ah I see, you've got a 20" back wheel. Maybe you could try a sram dual drive hub. This has direct drive on 2nd, positive (136%) demultiplication on 1st and negative (73%) on 3rd if I remember correctly. Yes it has a big impact on the speed. I've looked at hub gears and I'd like to try the cheaper o...
by knutselmaaster
Mar 08 2020 4:41pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Does anyone have any recommendations for bigger chain rings (available in the UK)? I'd like to swap out the default one for something larger as I find I spend all my time in the 11t cog at the rear and it wears out in about 800 miles as I have a heavy cargo bike usually riding with my two kids. If ...
by knutselmaaster
Mar 08 2020 2:59pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Does anyone have any recommendations for bigger chain rings (available in the UK)? I'd like to swap out the default one for something larger as I find I spend all my time in the 11t cog at the rear and it wears out in about 800 miles as I have a heavy cargo bike usually riding with my two kids. If ...
by knutselmaaster
Feb 17 2020 2:44pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

As far as I know, this is a standard size chain, only a bit stronger.
So it should work with this motor without any problems.
by knutselmaaster
Feb 16 2020 7:27am
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Hi, I'm hoping someone can help me with some issues I've been having with my tsdz2 build. I bought the 750w 48v motor, planning to get a 48v battery in NZ. This proved impossible for me so I had to settle for a 36v battery. I flashed the 36v files from the eco-bike tutorial which was easy enough. O...
by knutselmaaster
Jan 18 2020 4:42pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

The magura ones are very streamlined and can be placed anywhere: viewtopic.php?t=34122
by knutselmaaster
Dec 31 2019 6:07am
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Axles are made of hardened steel. When steel gets hardened it looses it's flexibility.
In short, it's a trade in between wear resistance and flexibility.
by knutselmaaster
Dec 28 2019 5:56pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Another problem I got today while riding as usual, small trip of 5 kms around home. Suddenly, I could hear the motor working and see on display the motor ERPS speed at max values of 525 although no help assisting to pull the bicycle... The motor shaft broke!!! Does anyone knows why did this happen?...
by knutselmaaster
Dec 20 2019 2:42pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Often a full outer cable even fits between the bottom bracket and the motor. Push the cable against the right side of the motor, slide the motor half way into the bottom bracket, move the outer cable a bit inward to make it slide over the screw holes of the motor housing, insert the motor all the wa...
by knutselmaaster
Dec 09 2019 1:48pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Indeed, you're absolutely right. There are other explanations that can explain why this happens especially at very low temperature. The thick grease preventing the one way bearing to lock in is quite possible, and should be easy to identify: If it only slips at the moment the lock should start (axle...
by knutselmaaster
Dec 09 2019 12:37pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

No I don't criticise, I share my (long) experience with these kind of things because I want to help. And no I don't have the solution; as I mentioned it will need thorough long term testing and I'm not doing that, the problem didn't occur on my clients bikes nor on my own in the first place. The bea...
by knutselmaaster
Dec 08 2019 7:54pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Is neoprene glue adequate? It will have some sort of flexibility I don't know how it will react to the components in the grease. The problem with neoprene glue is that it needs to be applied to both surfaces and dry a bit before making contact. This will give a thick layer that won't fit in the ver...
by knutselmaaster
Dec 08 2019 1:06pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Metal has a bigger expansion under temperature change than plastic. If the bearing was any bigger (or the gear smaller) the gear would crack when the motor gets hot. Disadvantage is that it will slip when it gets very cold. I think the glue will crack too if it hardens a lot, as it has no expansion...
by knutselmaaster
Dec 08 2019 10:13am
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Metal has a bigger expansion under temperature change than plastic. If the bearing was any bigger (or the gear smaller) the gear would crack when the motor gets hot. Disadvantage is that it will slip when it gets very cold. I think the glue will crack too if it hardens a lot, as it has no expansion ...
by knutselmaaster
Dec 04 2019 4:29pm
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Check the Rayvolt EIVA app. It is quite nice and gives good ideas of possible features.
by knutselmaaster
Nov 27 2019 1:46am
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

So I sent the pic of broken torque sensor to ebird store and they asked for a pic of the motor on the bike in relation to the chainstays. I sent them the pic and they say the motor is too close to the frame and I should increase the gap by putting a washer on or bending the frame. Obviously I'm not...
by knutselmaaster
Nov 19 2019 7:49am
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Hi, I own an Omnium cargo bike, with a 750w, 48V TSDZ2 mounted on it. I am thinking of selling it and getting a Riese und Müller Packster 80, with a Performance Line CX gen2 motor. I go uphill a lot. I once had the opportunity to ride the Packster 80, but only for about 5 minutes. The Bosch drive s...
by knutselmaaster
Oct 31 2019 7:39am
Forum: E-Bike Non-hub Motor Drives
Topic: New "TSDZ2 Torque Sensor Central Motor"
Replies: 6892
Views: 714657

Re: New "TSDZ2 Torque Sensor Central Motor"

Am i realy truly being unrealistic if i want 10-20000 KMs without servicing(read below my concerns about size and weght)? I have seen posts of people that say that they have done 10-15.000km on a geared hub motor ebike without even servicing then once ,but not read about anyone doing the same with ...