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    Specific heat absorption capacity of disc brakes

    The Shimano Ice Tech rotors and brakes work really well. The secret is the stainless steel-aluminium-stainless steel sandwich of the rotors braking tracks, which is riveted to the aluminium spider. The heat capacity is about the same, but the thermal conductivity of the rotor from the braking...
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    Evolve Carbon GT

    Good to see they've moved away from the old heavy ass inrunner. That thing was a big problem since it was so heavy and forever cracking from its own weight. Hopefully the ESC has smoother braking too. I wonder what the power is? Evolve's old system could only manage about 800 W peak and more...
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    Truck Modification for Enertion Nylon Pulley

    Interesting. Was the belt HTD? My Gates HTD belts never lost any teeth. But skipping clearly damaged the tensile cords with every skip. On my board the belt never skipped during acceleration, only braking for some reason. I think the evolve boards allow more braking current than drive current or...
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    Truck Modification for Enertion Nylon Pulley

    Hmm, I consider any skipping of the belt to be a Very Bad Thing so I make sure mine are tight enough to never skip. When I first had my board and was more slack with keeping the belt tensioned (lol), the belt skipping always precipitated a belt failure, since the shock loads from skipping are...
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    Truck Modification for Enertion Nylon Pulley

    Yeah sure, I'll put the part files on the Thingiverse thing. Right now it's an inventor part .ipt, but I think you should be able to import that ok. If not let me know and I could export as STEP or something like that.
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    Truck Modification for Enertion Nylon Pulley

    ABS would probably work for a bit. With my design, the part doesn't have to be all that strong because the screws support the load quite well. However ABS is pretty bad for friction wear life, it wears off as a powder and pretty easily from what I've seen. Give it a go, it's not like it's hard...
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    AWD without differentials?

    First, I wanna say that I think the phrase "torque vectoring" is a very funny phrase and it doesn't really make sense. Torque is already a vector, so you could say that every electric motor already has "torque vectoring". In fact, I would argue that the phrase "torque scalaring" is actually more...
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    Truck Modification for Enertion Nylon Pulley

    Yeah, I think Boosted figured out that extended axles are a bad idea. I recently designed a 33T HTD 5M-15 pulley that can be 3D printed in Nylon and screwed onto a Kegel wheel with 5x M6x65 SHCS. I only got to test my design for about 10 km before my board stopped syncing with the remote, but it...
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    pneumatic wheels - pros and cons?

    Yeah. Well, the numbers are rubbish, unless you want to spend 4 hours going 10 kph (just buy a regular longboard for that haha). But the proportion may indeed be valid. The Evolve ranges are like ideal conditions and no hill, and on low speed mode. If you actually ride it to its capability, you...
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    Can brushless motors get water damage?

    As others said you really only have to worry about corrosion of the core and bearings/shaft. If you're planning to ride in rain a lot maybe see if you can get more bearings for the motor and take a look and see how well the core is sealed/coated. Worst case is your thing gets rusty and you...
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    Jelly Board - .22 bulletproof transparent glass-like decks!

    These things don't even have grip tape??? How the hell are you supposed to not slip off? I'm sure they look horrible too if you ride through a small puddle or wet pavement. I like how they even have the gall to print a "7 OTHER" resin identifier on the deck, as if anyone ever recycles...
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    Truck Modification for Enertion Nylon Pulley

    Be aware that turning down the hanger makes it a lot easier for the axle to bend from normal use (hitting bumps). I've had this problem consistently with my Evolve board. Consider a pulley which screws directly to the wheel and doesn't have its own bearing. That way you don't have to turn down...
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    pneumatic wheels - pros and cons?

    For my commuting, it's nice to have smaller polyurethane wheels. They use a lot less energy, so your range is increased compared to using pneumatics. They also can't get punctured, and can last thousands of km. My 80a Kegels have done at least 3000 km with plenty of carving and fun and rough...
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    Marbel Board! (FINALLY!)

    Also curious to see how they're holding up. I've got an Evolve bamboo street and apparently I ride it way too hard for what the hardware is designed for. One issue is with the drive wheel setup. Both Evolve and Marbel here are using a shortened hanger on the drive side, which means the steel...
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    looking for Kegel Drive wheel Gear

    Hey everyone, sorry I didn't post my thing earlier. I was busy with an assignment and I had to update the model a little bit to add flanges so that the belt wouldn't ride up over the edge. http://www.thingiverse.com/thing:1523057 My lame Evolve board stopped connecting to its remote, so I...
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    looking for Kegel Drive wheel Gear

    Here is my blog post. It doesn't have a link yet for the parts on thingiverse because I just made an account there and you have to wait 24 hours before publishing things. I'll post a link here and on the blog once I can publish it...
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    looking for Kegel Drive wheel Gear

    Yeah definitely! Just need to make the post on the blog first. I printed the thing last night while having a party haha, going to ride it to university today to make sure it's all good. When I have some free time today I'll post it up.
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    looking for Kegel Drive wheel Gear

    I just 3D printed my 7th iteration of a Kegel drive gear, 33T HTD 5M-16 mm width. It's for my Evolve board but I designed this one to work on any skateboard truck as long as the hanger is <21 mm diameter. Hardware is just 5x M6x65 socket head cap screws and M6 nyloc nuts. You need to drill out...
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    eLongboard - plastic is fantastic :D

    Wow, awesome modelling and design work. I will, however, be surprised if everything can actually hold up. Some of the shocks a board experiences when hitting bumps or gaps in the road/path are pretty extreme. If they can crack aluminium and bend steel, ABS is gonna have a hard time I reckon. How...
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