Another reason of the similar torque values of X1 and BBSHD could be that BBSHD torque is not correct. I think 160 N-M for 1KW motor is overestimated for sure. In other words, it's 64kg of downforce on a 30.5cm lever. X1 should be more than twice powerfull against the stock BBSHD in side-by-side comparison with the same PSU.
GNG / CYC X1 Pro 3000w
- Thread starter neptronix
- Start date
izeman
1 GW
Damn. I wish i lived somewhere near to you, i would have liked to join you.crossbreak said:
I am in contact with Adam about buying on of his LMX64 and i will install a Sempu T4 in my Kona mid drive. I'm really excited to see true torque control of my bike. Good thing is, that because of your "invention" of the MAC conversion i can adjust the gearing to my likings, so i can pedal along even at very high speed. I may need to remove FOC again, as my bike revs up REALLY high now
crossbreak
1 MW
yep, this is really the best thing of the "crossbreak" style jackshaft :? still hassling how i do it on this one...a hammerschmidt is quite heavy, but with the right torque sensing BB and a lathe i think hammerschmidt and ISIS torque sensing BB could be married. But that comes last, first i need to get this to work and second i need to build a new battery, 20s is a must for this drive
izeman
1 GW
If you don't have access to a lathe let me know. I can help out!crossbreak said:
crossbreak
1 MW
all fine, i've got one in the basement, a small one but for aluminium it is ok. for steel i can use the two bigger ones at work
Very interested to hear if anyone has either received a X-1 Pro unit or been notified they shipped yet? The 2 systems looks great, the option of the chain model like a tangent ascent ( $2800 ) Or the compact direct drive like the Paradox Kinetics ( $3000 ) cover most applications I can see.
Please post photos of parts, connectors etc. when received. Thanks
Please post photos of parts, connectors etc. when received. Thanks
crossbreak
1 MW
finally got a tracking ID for the pre-production X1 pro, it was shipped today but w/o motor controller which is not ready yet. When it arrives we can at least have a look at the drive unit, measure motor constants and most important for me, since I want to replace the sprocket: Measure shaft dimensions.
crossbreak said:
Thanks for the update, and glad to hear that they finally shipped something.
I was starting to think i accidentally helped rope some people into some kind of scheme... the last thing i'd like associated with my position as a keeper of the sphere.
Looking forward to seeing what you find out.
crossbreak
1 MW
Grantmac
10 kW
I wonder if the controller mount on the bottom adds significant torsional rigidity? It seems like it would.
ScooterMan101
1 MW
Crossbreak,
Those side plates look to be very short. That would work for a bike with a straight down tube like a Hard Tail bike , However , most every Full Suspension Bike these days have a down tube that has a
" dog leg " curve to it down near the Bottom Bracket.
Riding on a bike that has a 3k motor means that a Good Full Suspension Bike is very much Advisable .
So
That motor is going to hang low when installed on most every F.S. MTB . ( which means not much clearance when riding on trails ).
It looks like one more thing for you to design and make and sell is a set of longer side plates , even angled up some to conform to the typical " dog leg " down tube on most all of our F.S. MTB's .
Those side plates look to be very short. That would work for a bike with a straight down tube like a Hard Tail bike , However , most every Full Suspension Bike these days have a down tube that has a
" dog leg " curve to it down near the Bottom Bracket.
Riding on a bike that has a 3k motor means that a Good Full Suspension Bike is very much Advisable .
So
That motor is going to hang low when installed on most every F.S. MTB . ( which means not much clearance when riding on trails ).
It looks like one more thing for you to design and make and sell is a set of longer side plates , even angled up some to conform to the typical " dog leg " down tube on most all of our F.S. MTB's .
crossbreak
1 MW
sorry but with longer plates the gears wont even touch each other anymore. this is simply not possible, you agree? if you have problems fitting the gear version please stick to the chain version
Anyway, my frame has a dog leg, we will see how it fits, i dont think it will look too bad. With a straight Downtube the motor is a good bit higher from the ground than the bottom bracket
Anyway, my frame has a dog leg, we will see how it fits, i dont think it will look too bad. With a straight Downtube the motor is a good bit higher from the ground than the bottom bracket
definitely! You'll have to put something in there, i think i'll insert an 8mm aluminum sheet or something like this, bolted to the controller screw holes.Grantmac said:
Lenk42602
10 kW
new video up on their site. Looking pretty sweet. the video indicates that the handlebar display shown will not be the display used on the units that ship with 36-72v controllers (which I assume all the early orders are shipping with). Sent an inquiry to Jon regarding this.
Very cool indeed.
Very cool indeed.
crossbreak
1 MW
there is no new video on their site, but one on failbook
https://www.facebook.com/CYCMOTORLTD/videos/2296115530448065/
unfortunately my motor is on hold at the customs and the authorities want me to personally pick it up
https://www.facebook.com/CYCMOTORLTD/videos/2296115530448065/
unfortunately my motor is on hold at the customs and the authorities want me to personally pick it up
Fastwanabe
100 mW
- Joined
- Jun 9, 2018
- Messages
- 43
After looking at these videos I noticed Im just spoiled with how quiet the bafangs are.
SlowCo
1 MW
Fastwanabe said:
I bet that if you use this X1-pro at just 1000W or less like the BBSHD/02 deliver, it will not be much louder... :wink:
SlowCo
1 MW
n2mb said:
Three times as the BBSHD is rated at 1000W vs the X1-pro at 3000W.
SlowCo said:
True, although most people are running them at 30A, 52V - 1500W. We don't yet know how much beyond 3000W the X1 will go. The controller specs say 65A, up to 72V, which would be 4680W. But, I imagine it will need to dial back the amps at 72V to keep from overheating the tiny motor...
Lenk42602
10 kW
Lenk42602 said:
Follow up on this. Jon has indicated that the 36-72v controller will have a handlebar display similar in size and shape as shown on the video, but will be black and white, rather than color, that will ship only with the 36-72v controller equipped units. Color versions will be available later for the 72v units.
Asked about the display incompatibility between different rated controllers, they are developing two separate controller /boards by two different manufacturers in parallel - one standard (up to 14s), the other a higher voltage version that has been requested here. He conveyed that the boards will be completely different designs as a result.
When the kits are ready to ship the controller options will be available for either.
My bike is all ready to go with 14s. I may (gasp!) get the standard unit and run it (gasp!) as intended.
SlowCo
1 MW
n2mb said:We don't yet know how much beyond 3000W the X1 will go. The controller specs say 65A, up to 72V, which would be 4680W. But, I imagine it will need to dial back the amps at 72V to keep from overheating the tiny motor...
And at that wattage the bicycle drive train should be of very high /strong quality to last any decent time. Or just go to a left hand drive set up: https://endless-sphere.com/forums/viewtopic.php?f=28&t=97479
Fastwanabe
100 mW
- Joined
- Jun 9, 2018
- Messages
- 43
I wonder if there's a video floating around to show this.SlowCo said:
Ecyclist
1 kW
Give yourself a favor and don't buy gear driven version of this drive. I'm not saying that chain drive is going to work well, but I'm saying that geared type will not for sure. You need very solid structure to use gear drive and you will never have that much rigidity on the bike. That's why everyone is using chains and belts. Trust me on that one. You can thank me later.
SlowCo
1 MW
Ecyclist said:Give yourself a favor and don't buy gear driven version of this drive. I'm not saying that chain drive is going to work well, but I'm saying that geared type will not for sure. You need very solid structure to use gear drive and you will never have that much rigidity on the bike. That's why everyone is using chains and belts. Trust me on that one. You can thank me later.
How can you predict that? The unit itself with the controller bolted between the brackets/ mounting plates makes everything very stiff/rigid. And the coarse and wide tooth profile makes sure that a little misalignment with the low rpm's at the crank doesn't matter too much. At least that is how I view the design.
