I tested the drive at 52v but according to Bafang’s website, it will work between 48v and 60v nominal (I have not tested it with a 60v nominal pack). 0 Speed Boost time: Unknown, I wouldn’t mess with it. I changed the setting from the Spd0 column from 100 down to 6 which greatly reduced the jerkiness of start in the highest power levels. The Juggernaut Ultra FS is the latest in the lineup of Juggernaut ebikes from the Canadian company Biktrix. DP C07.UART bicycle accessories pdf manual download. The page you have all been waiting for, this screen has all the new goodies on it. Yes, you can change assist (aka torque), Motor wattage (via amps) . The Bafang Ultra is capable of providing power up to 28 mph (45 km/h) under stock conditions. I, like Matt (above) have the M2S Ultra Fat FS bike with the new Ultra motor. View and Download BAFANG DP C07.UART manual online. Installing A Temperature Sensor In The BBS02 Unit. ( Log Out /  No, the stock 1500W Bafang Ultra Max has a crappy Nylon gear that I hate. MAX Drive System. One problem Im having with my Ultra is while pedaling on level 3-5 eco or sport mode on flat street roads power will start to degrade from 1400ish watts down to around 500-600 watts after only roughly 2 miles. If you want to REVERT back to your original settings, Click on File-->Load-->(Select the file that was saved originally)-->Click on Load-->Then click on 'Write' Button. Plus my battery life sucks too, the bike weighs like 40 pounds its not my BBS02 on my hardtail that I loved…PLEASE HELP!! It does not seem to have great power going up hill either. The pride of ownership of something that you built and programmed yourself is something that you will never get with anything you just purchase outright. Thanks to Roshan from Biktrix for sending me these files. 3. The standard $20 programming cable is all you need to customize your Ultra Max programming. There are two different RPMs listed on the website n0 RPM which I assume is the max RPM using throttle only and nT RPM which I assume is the max RPM using the torque sensing only (no throttle). This turns the ho-hum 1000W  Ultra Max into a real 40mph drive unit to be reckoned with. KeepCur(%) : This number must be equal or less than MinCur or the software throws an error. The BafangConfigTool.exe is in a zip file you can download on Penoff's Hobby Page and is a huge upgrade to the original configuration tool from Bafang. You need to run a different executable. With the 1000W nominal Bafang Ultra Max drive unit all that has changed. I swapped out that controller for an 850c… It is way better and allows you to adjust the PAS for levels 1-9..also in the setting set the min cur% to 3 in the torque settings, Pingback: Everything I Own Is Now Obsolete : Christini AWD Fat-E Ultra Max 2XL Snowshoe Ebike | ElectricBike-Blog.com, Hello Karl I have hills where i live pretty good size ones, what battery would you suggest to handle hills so i can climb as well as get range. Pingback: Choppy Shloppy : Build Your Own Ultra Max Specific Frame And Get Riding Already | ElectricBike-Blog.com, Pingback: Rebel Scum II : 2500W Ultra Max Ludicrous DIY Torque Sensing Full Susp 10sp Ebike ~$2805 w/out Battery | ElectricBike-Blog.com. Extract the zip content to a folder and use the. Keep in mind I am by no means an expert in Bafang Ultra Max programming, I’m just some guy who got my hands on the tools and spent a couple hours messing around to see what happens when you change variables. About Tq : This box allows you to get the settings from the torque sensor one time using the Get button or use the Continuous Get to keep a constant sampling. So, I’ve been talking to Luna Cycle whereby he mentioned your article and potential to improve my situation through your tuning parameters. Do it at your own risk and don’t come crying to me when you break it (this is why we can’t have nice things). Did you ever figure this out? Its clear the Bafang Ultra programming is subpar and maybe even the stock controller itself. The changes I made corrected some very lurchy startup behavior with the 2500W peak Ludicrous controller (the stock Bafang controller is only 1000W nominal and 1500W peak). Thx Karl.. are you using/running any stock only Ultra units or just Ludicrous controlled? If i am correct, the special sauce file is to both standard and Ludicrous version, besides the 30 amp current? Delta Voltage: I messed around a bit with these numbers and they are a way to change the sensitivity of the torque sensing unit along ALL the speed ranges of the motor. To check what the settings do then check out this document. Bafang 750 Watt Data Sheet. I really hate this motor…does anyone have any idea how to reverse this torque sensing motor so it does the opposite of what it does now before I throw the bike in the trash!! You can have a rest and please slide to verify. I didn’t spend much time messing with this screen’s settings. Disconnect the USB cable and very very carefully pull the Programming cable out of the Umbilical plug, be patient take your time. The best part of programming the Ultra Max yourself is that you can fine-tune the torque sensing system to get exactly what you want out of it. No smooth variable application of power…and at times significant delays in applying any power assist why pedaling reasonably vigorously. This is a good way to get an idea of what kind of power the Torque sensor is putting out at different pressure levels. Biktrix. When I am pedaling in PAS 1,2,3 or even 4 or 5, the motor seems to very quickly cut off and on. Is It Wise To Power My 48 Volt Mid Drive System With A 52 Volt Battery, Master Yoda? Crappy programming by Bafang, read my other BBSxx programming article. Your settings might be slightly different from the factory. I tested a prototype 1000W Ultra Max about 8 months ago and found it a little too heavy and a little underpowered for my taste. So far, so good – but I have a question relating to the PAS settings in so far as I am preferring to have 5 levels in use, rather than 9m levels: The Bafang PDC-14 manual states that using 5 level: 1=1; 2=3; 3=5; 4=7 and of course 5=9. Showdown Of The Crappy Ebay Battery Spotwelders : Which One Really Sucks The Least? Shop Bafang products. Insanity is a wonderful thing! Very much an on/off experience. We ship products worldwide. I added an image of the default Torque settings for the Ultra Max without the Ludicrous controller. ( Log Out /  I have not seen that issue with the Bafang Ultra I have and the ones I tested at Luna. Copyright © The most frustrating part is that often they have built-in speed limiters that you have to install special defeat-devices to overcome. No that is not correct. Skip to navigation (Press Enter) Skip to main content (Press Enter) Enquiry ⁄ 0; EN. Since the optimal pedal cadence is around 90 RPM for human beings, these numbers make sense. and i can reach 55 km on the flats. Karl, the product description for the Luna Ultra Max mid drive kit says “…utilizing larger and more robust components, including it’s motor core”. The Ultra Max comes with everything you need to get rolling except a custom bike frame. I only have one issue. If I increase pedal pressure it stays on. 2. If I coast or stop and wait…power will come back a bit and then fall off again. On the Basic Tab, Click on Read Button and then you would get some new values listed, Click the Read Button again (as a safety). After reading both the Bosch and Bafang review you realize both motors are great. Shimano Compatible Cassette with a standard disc brake mount and water resistant connectors. Biktrix has a very good reputation and the Ultra FS is sold with three different tire sizes and several fork options as well as numerous custom battery options 11.6Ah, 17AH & 20Ah that snap right into the frame. The current controller is very powerful and there are vendors and Bafang partners who have been able to get as much as 2500 peak watts flowing through this with no problem Bafang Ultra 2500w modified controller fat bike. Programming Bafang mid-drive Motors - BBS02, BBSHD, Ultra (M620, G510) Menu 52V Programming for BBS02 Follow. Start(Kg) : When this amount of pressure is on the pedal the power will start to flow in and you will get the MinCur% amount of power (based on the Limit Current% variable from the first page based on your current power level) to the drive unit which will steadily be increased based on the amount of pressure until it hits Full(Kg) as shown below. Built to be a high performance down hill full suspension electric bike, with a Bafang G510 Ultra Mid Motor, and powered by a 60V Battery which can ensure a decent range of about 40km depending on how you like to ride. I lowered the numbers from the stock Bafang programming on this variable in both the Spd0 and Spd20 column. With Luna drives we always program to our own settings, our own preferences to the style of bikes and drives we offer. Modified 1000w BAFANG Ultra. Hi Karl, that is a great article on the Ultra. Programming Bafang mid-drive Motors - BBS02, BBSHD, Ultra (M620, G510) Menu Bafang Controller/ PAS Programming Guide Follow. If you want to download Karl’s special sauce instead of entering in all the data manually then you can download this file and rename it from .doc to .el and then select FILE->LOAD from the Controllerst_torque.exe and then browse to find the .el file. Voltage and Ah please. They tell me that this is the only software they have and I am wondering if there is anything I can do. The throttle is the same way…on/off. This that adds to the popularity of the motor. Programming your Ultra Max voids whatever warranty you think you might have on this drive. I programmed 5 levels assist. If you like living on the edge then don’t let me stop you, but I tested this drive extensively at 50Amps and I can say that it is plenty powerful at that power level. The programming cable allows you to hot rod your BBS01 & BBS02, and BBHD controller, and play with all the different setting available. In order to access the program with the torque setting, you need to run the executable Controllerst_torque.exe inside the zip file. Although these settings are probably fine with the stock 1000W Ultra Max, they were set way too high for the Ludicrous controller. Learn more about this motor. I suspect that this is the amount of power that the drive unit will put out if you clown pedal along (turn the pedals without pushing at all on them). This means that if you are miles from home you’re going to be stuck with cycling the power on your ebike so you can get 1 minute of riding then continually cycling your drive unit every minute the entire way home. I just opened that program and noticed this things…. This box not only has Luna's settings but also some other popular settings. 60v li-ion battery. This is the number I changed most drastically from factory settings. Going over 40 mph on a bicycle is pretty terrifying, but this is the first and only torque sensing mid-drive on the market right now that will put out this kind of power that I know of. Pretty much same settings as i have but nice to test new settings. Many of these defeat devices plug-in between the speedo and the main drive unit and halve the speed that the drive unit thinks you are going at (so when you are going 20mph the drive thinks it is only 10mph). Bafang has released a new beefy drive unit that can run at a variety of voltages with no speed limits and that programs using a similar cable and software as the BBS02 and BBSHD. The pedals and the chain wheel on the Ultra Max are ‘locked’ and spin at the same speed. It is paired with the 850C color computer console which allows you to program up to 9 levels of assist. On the Device Manager please check if the COM port is read/ allocated to the device. If you want more explanation on what these settings do, then you can check out the hacking guide which outlines each setting individually. In my country the maximum speed allowed is 25 km/h with pedal assist. There is different version of the Bafang program for the torque sensor motors, but I couldn’t get it to work with my BBS02. Any other comments or thoughts on this motor would be greatly appreciated. Also, the pedelec assist is quite dismal. The Bafang Ultra is an excellent motor, built to last for a long time. So what you Base Voltage: I don’t know what this does, I would leave it alone. Is it possible to make the Eco mode pedal assist only go up to 25km/h and the Sport mode work like it does (no limit)? Thanks, I can not connect to my computer also, I see no ports listed on the pull down menu everything is blank. Could that problem be eliminated with a torque adjustment. think, is for me the nylon gear better, or is there no Difference in acoustic between nylon and metal gear ?

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