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In some interview the CEO A. Wass said that there are actually more generations of those Power Tubes. Referring to my previous post, my bike now has 59 hours including 2 or 3 hours of enduro with some rocks and the rear Power Tube hasn't gone flat yet. I am considering bringing a set with me at...

The red line is basically like a dyno chart of a Varg at full throttle. Like you would expect from a synchronous motor, up to half the rpms there is constant torque, which makes the power curve a straight line with some slope, since power = torque * rpm * a constant ane when torque is a...

Not that I feel like doing it right now, but I think that another important piece of data to use for statistics is the total time of the races. We all know how motocross is also about stamina and at least IMO and from my limited experience, since I haven't ridden many bikes for long durations...

Exactly. Those situations are usually pretty uncomfortable and hard to handle when you find yourself involved; they look easier from outside. Typically those guys know many ways to fool you.

Well, you've said that you have worked with 120KV on CT scanners and you surely sound like someone who knows what he's doing, but let's remind everybody that opening such a battery can easily kill the person who does it if this person doesn't have the knowledge and skills or makes a mistake...

I've asked Gemini to explain what a low pass filter would do in this context it and, in its opinion, a low pass filter would basically make the throttle response less aggressive. I guess that the main factor which can make the throttle response right is the reaction time of the rider. Here is...

People try so hard to see the glass half empty for electric dirtbikes. What about a slow rider like me? I'm glad that I can hear incoming people better! Besides, if I'll ever become fast, I can always add an horn like this, 140 dB should be enough...

@fmxxx666: I wish I were allowed to ride in a home garden like yours, maybe building a little ramp for a jump or at least being able to do some figure 8s. Wow, coming back from home after work, training with the bike half an hour, if you have a flat the garage is 5 seconds from you... what a...

Here, @ 14:29, there is an explanation about the spin loss that we experience in the permanent magnets motors like the ones in our Vargs: If you want to try, make sure that the chain guide is wide enough for it; some people have written that it's not if I recall correctly. Anyhow, super...

Wass mentioned that in a certain enduro championship, probably this one, they are forced to keep the power set to 48 HP and the weight increased from a standard Varg because of the rules for electric bikes. At the beginning of the video you can see the settings: 48 HP.

The tendency of a motorcycle to wheelie depends on both the horizontal and vertical position of the overall center of gravity of rider + bike. The minumum tractive force to be applied to a motorcycle in order for it to wheelie is, according to a book i own: weight of rider and bike together •...

During an indoor motorcycle race: maybe an ICE bike will catch fire, maybe an electric one will, probably none; surely no specator will feel annoyed by the fumes and noise by electric bikes, probably someone will be annoyed by gas bikes, surely the fumes and noise will harm the spectotors'...

Honestly I would be very cautious with this, thoug: 1-are you sure that it's reliable and that it won't behave incorrectly causing an unexpected power delivery? I doubt it has been developed with Stark and approved by them. 2-it would void the warranty

In the video description there is a link to buy one: Stark Varg Electronic Clutch

On my Varg some bolts including those ones tend to become loose, too; not more than with an ICE bike but I hoped it wouldn't happen at all thanks to less vibrations. According to tests I've read about, adding grease to a thread will significantly increase the clamping force. Having the correct...

Yes, I've read this test report [edit: i.e. the one already linked by Beagle] and watched this video: and they say that those specs are for a 20-80% recharge. Besides, usually charging the last percentage, like from 90 to 100, needs to be done at a slower rate because it's harder to keep the...

CCS is awesome news, but if you use a European 3.5 kw wall socket you need, in theory, 105 minutes to recharge 6.3 kw. I've also noticed that they use a linkageless system for the rear shock, with the progression apparently obtained because of the tilt of the shock and supposedly progressive...

This actually looks like extruded or something and then welded and not 3D printed, but wow! I'm curious to know how much it weighs. I've just found some prices on this site: for powder of the common Ti-6Al-4V alloy, I don't know which quality, they say high, the price per kg is not crazy...

Stark Future has bought a Farsoon FS721M-H-8-CAMS 3D printer: Stark Future and Farsoon Technologies Announce Strategic Partnership to Advance Series Production of Premium Electric Motorcycle Components. They are currently using it to print the titanium footpegs and want to use it for a lot more...

The Mountain Pass kit he mentions should be this one. I've never done rally in real life but I know something about how to do it thanks mainly to the YouTube channel which posted this video and the awesome Richard Burns Rally driving simulator, in which Burns himself gives lessons and there are...