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Hunka Hunka Burning Love

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Everything posted by Hunka Hunka Burning Love

  1. Hey @esaj I ran across this interesting MESR-100 ESR capacitor tester, and I thought maybe you might find it handy. Component tester Kinda neat mini-oscilloscope (probably not that useful)
  2. Wringing gauge/gage blocks. Interesting phenomenon. Science!
  3. Forever is such a indeterminate period of time, but it does seem like forever already. I haven’t sold any of my EUC stuff, but I’ll probably ride again someday. Just gotta find beefy elbow pads! I know it’s weird from riding at every single opportunity to no riding at all, but the financial responsibilities seem to be preventing me from taking risks at the moment. Oh well someday someday! I did manage to replace a couple of tricky engine mounts on my car this afternoon so that was fun. And grimey! I had to Scotch Brite pad myself clean in the shower since the grease was not coming off! Happy riding to everyone!
  4. But the thing is it took you 58 seconds to figure that out (more for me until I watched it a couple of times)! Seriously though they did a crazy good job with the CGI it's getting to the point where if someone took the extra time to make it perfect you would think it's totally real. It's getting there. Want the heebies? Watch this video.
  5. It's not common at all for EUCs to quit working at 20 mph, but rarely for whatever reason they can (eg. due to overspeeding, bad battery, unseen bump in a sidewalk while running high tire pressure, etc) so you have to be able to deal with any possible consequences. We all hope that any falls are manageable, but things can go south really quickly so unless you're a Ninja you really need to be padded up and be prepared as much as possible. I've got a job that is physically demanding with tight tolerances so manual dexterity is critical. My shoulder is 99.99995% better, but there still is a tiny bit of not happy tissue in there that twinges in certain positions. A big problem is that over time riding feels so safe that you forget the possible hazards and end up going faster and faster or taking that bump a little quicker or just miss seeing that pothole or road ridge up ahead... Still it's crazy fun zipping around on one wheel. I miss it so much.
  6. Way back, I remember someone who desoldered his MOSFETs to move them to a daughter board. I think he basically used a wire cable to connect it to the mainboard. I wonder whether moving to an easily replaceable MOSFET board might be a consideration for the future. That way it could be designed like a mini-CPU board with a heatsink on top and a fan as well. It could be located in a better cooling area so air flows over the heat sink fins. Or maybe even a ceramic heat sink could be used for better cooling. There didn't seem to be any timing issues, but I think that was one concern that was raised. It sure would be easier and cheaper to replace just the MOSFETs on a mini-board if those are the only things blowing.
  7. I was wondering whether that residue could have been the silicone waterproofing paste they tend to slather on?
  8. Hey hey I was just taking a break from the whole EUC scene since I haven't gotten my riding itch back. The more I read the forums and watch videos the more I miss it so I've been doing other things pretty much. Looks like everyone is still having lots of fun riding which is great! I still haven't found what I'm looking for in terms of arm/shoulder protection, but I was eyeing some CCM heavy duty hockey elbow pads with thicker cushioning. My theory is that if I can find something to fall on with my arms that helps decelerate the fall, that should help reduce strain on the shoulders allowing me to ride again. But maybe it's best that I just watch from the peanut gallery for some time though. It's good to see everyone continuing along with EUC riding!
  9. Nice new wheel! I didn't quite make it through reading all 19 pages of this thread , but sorry to hear about the disappointing MOSFET failure on the steep hill climb. I think it's important to remember that these electronic gizmos do have their limits. That hill test is pretty much an extreme case which most wheels aren't purposely designed for. I wonder if we did a survey, how many people would say that they absolutely need an EUC to be able to climb such a steep hill for a prolonged period of time? How many of us have actually done a similar hill climb? Probably not a huge number of people. It's almost like expecting all cars to be able to run the 24 Le Mans road race. Unless the car is purposely engineered to survive something as grueling as that, most likely will fail. These consumer grade EUCs are likely targeted at the average person's needs. They have come a long way in accommodating heavier western riders with larger feet, but they really haven't made huge leaps. It is getting there slowly but surely. Do we all wish EUCs could climb the steepest hills and never fail? Definitely! But I think if we are honest with ourselves and understand the reality of it all, the Nikola will perform just fine for the majority of riders out there within a reasonable range of riding conditions. It's too bad it didn't fail gracefully though (ie. tiltback to allow rider to dismount and wheel to cool) as that would maybe allow people to forgive it's steep hill climbing failure.
  10. I still miss it. I had a dream a while back about riding my wheel and the good times I had. I just can’t afford to have a more serious injury considering my profession. Arm is 99.9% better after 9 months, but it still hurts to sleep on my left side. Annoying! You guys be careful out there!
  11. I wish I could go to Denmark! Sadly no I’ve never been there. Although I’ve lost some of that lovin’ feeling for riding, I still have an itch to get back on. The slight twinging pain every now and then in my left shoulder reminds me not to though. Until I get some better elbow padding at least!
  12. Giant spiral observation deck in Denmark? https://ca.news.yahoo.com/pictures-denmark-opens-amazing-148ft-slideshow-wp-131117860.html
  13. It’s still alive. Pooping like crazy and wanting to bite everything in sight. I hear some bunnies aren’t as destructive. I guess I lucked out and got one of the odd balls. It’s soft and fluffy and cute, but man it’s got attitude sometimes. If it doesn’t get its snacks it shreds up its cage paper and flips his waterbowl over like a disgruntled prisoner. Not a good pet!
  14. @Duf how is the Bell’s palsy? Is it possible that you may have contracted a campylobacteriosis from your backyard chickens which resulted in the BP?
  15. I wonder if there is some vibration / friction being transferred to your calf to cause the numbness? I used to put on velcro'd calf protectors made of thin neoprene. It made riding the Tesla much more bearable, and also it helped reduce sore spots. Kinda like these: https://www.ebay.ca/itm/Calf-Leg-Knee-Support-Brace-Wrap-Protector-Pads-Sleeve-Running-Exercies-1pc/292620113777
  16. I had a cyclist come zooming through a stop sign onto a main road while I had the right of way going at 48 kph. Luckily I was able to brake in time. I guess they just look for cars while they do their "rolling stops" so they don't expect a dude on an EUC coming at them to justify a full stop. Ride defensively and carefully, my compadres.
  17. Aw man that's awful. Sorry to hear about that. Pitbulls have a bad rep unfortunately, and there's always something in the news about them attacking adults, kids, and other pets. It's almost like having a mini pet Velociraptor. Fun's fun until it injures or kills another living being. Some animals just don't make for great pets. Like hedgehogs. Crazy carnivorous bunnies. Hyenas. Lions. Aligators.
  18. It would help if you made an EUC Rider Bodyguard for me! I don't care as much about the Tesla! Actually, I've only had it fall once over 1200 kms, and it only got scuffed up a little. It was a combo of maybe having too high of a tire pressure and hitting a 1-1.5 inch sidewalk heave edge at 22 kph sending the wheel in an alternate direction very suddenly that did me in.
  19. It's like owing a Porsche GT3 and not wanting to drive fast. Sure it probably can be done, but when you know you can go fast it just kills you not to. Even flying off at 22 kph can be pretty hazardous. I might have to dust off the Tesla and go for a spin if I get some decent elbow pads...
  20. I haven't tried searching for any 360 VR type EUC videos, and as others have mentioned viewing motion and VR just don't mix! I think it's due to the fact that when your eyes see that you appear to be"in motion" in the video, but your other senses tell you that you are stationary there is conflict in information that tells your brain that something is wrong and dizzyness / nausea ensues. I made that mistake of watching a really cool mountain bike video of some guy racing down a rocky slope. It was cool for the first 5 - 10 seconds then whoa you want to get off that ride ASAP! The other "more dodgy" VR content is fine.
  21. Both have been sitting in my hallway for the past 8 months. The Ninebot hasn't seen much use for the past year or so ever since I got my Tesla. I checked the battery charge on it, and the lights seemed to indicate it was still about 75% so I never thought of topping it up. It also turned on and off fine before. Maybe it's a sign that I shouldn't return to riding. My arm is still slightly bothering me. It's almost 99.75% back to normal, but there is just some slight tenderness in some spots. The Tesla is doing fine I think. It's a tough choice. I've got these great wheels sitting around with some nice weather outside, but I just don't want to risk falling again. And we all know how that goes! I did find some hockey elbow pads which might actually work better for falls on the arms, but they are pretty bulky. Oh well I'm still enjoying my VR time so maybe I'll just watch other people's riding videos from the sidelines for now... https://www.hockeymonkey.com/ccm-hockey-elbow-pads-tacks-7092-sr.html
  22. I'm no structural design engineer, but looking at the failure of the InMotion pedal in that thread, it looks like the area near the mounting pin receives the most stress in supporting the rider. The honeycomb design looks strong, but they could have filled in the honeycomb structure with solid fill near the edge where the hinge area is. A solid block of metal there might be able to resist forces better? I imagine the pedal as basically a lever. Where do levers break? Near the pivot point usually. We've never seen a pedal break in half but rather at the edge as the forces concentrate near the pivot. Imagine if you are 3D printing a pedal. Would you leave the area near the edge where the hinge is unfilled, or would it be stronger with a solid fill? I wonder if a different cast alloy like what they make bicycle crank arms out of (or tool quality chrome vanadium steel alloy) would end these breakages once and for all. All the rider weight is on the pedals so they are a critical part of the wheel design.
  23. I might try charging it for a few hours more to see if things might balance out. I might also try disconnecting the battery, depleting the capacitors with a power press on, and reconnecting things. I wonder if there is a problem with a P-channel MOSFET or capacitor in the soft latching power circuit? https://www.edn.com/design/power-management/4427218/Latching-power-switch-uses-momentary-pushbutton
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