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  1. L

    Easy way to add SuperCaps for better regen etc..? (white paper)

    I just scanned this (time...) and it seems like a legit and easy way to control a couple of SuperCaps, making it easy to add a couple to your existing battery system..? Synergetic Control of a Hybrid Battery-Ultracapacitor Energy Storage System If it is, it's an easy way to improve regen and...
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    What motor for a high efficiency car alternator?

    Hi guys I have been reading up on how cheap alternators waste a lot of fuel: https://www.delcoremy.com/documents/high-efficiency-white-paper.aspx So was wondering: What motor and 'controller' would you use as an alternator if you wanted a really high efficiency alternator with thin...
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    Gasses produced? Volume of? Worth feeding to an ICE?

    I'm looking at the gasses produced while charging (and discharging) various lithium based battery types: https://iopscience.iop.org/article/10.1149/2.0041906jes H2, C2H4 and CO are all combustible gasses. But nano mol per square meter..?? Surely they mean M3?? My thinking is that; if you're...
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    Simple gyro balancing for velomobiles & recumbents

    Basically a simple gyro setup keeping a 'scale model' of a 2 wheel recumbent upright: https://www.youtube.com/watch?v=BWKCImS8mVI&list=PLPp6mROgGKkgi0RgvRIFLudN7MPE_6dqH&index=2 One may have to add a 3rd, controllable axis to lean around corners..?
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    Lots of battery space! 8 cards in the spokes mandatory! :D

    :lol:
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    Interesting Trike steering idea:

    Well this steers by moving the Tadpole suspension arms and is well suited to the ... side lever (whats it called?) type steering usually used. I also note the the outside wheel moves back, which may well help stability in turns as it moves closer to one's center of mass... if you get my...
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    0.002" 0.0508mm laminate in USA:

    Has anyone ever got a quote for ultra-thin gauge, pre cut laminate from BlueRing? (0.002" = 0.0508mm) https://www.blueringmachining.com/motor-laminations/
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    Ferro fluid as Laminate? No eddy currents??

    Just a 'pie in the sky' idea but what about virtually eliminating eddy currents by using laminate shaped containers (coil wrapped) instead of laminate? As I understand things: Ferro fluids contain spherical colloids of metal. One does get Feroo Fluid that consists of electrically insulated...
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    Steam engine differential idea; will work for trikes

    See where the 2 conrods coming out the box are; thats where one could put pedals. Then chains to your 2 driven wheels on the sprockets. Obviously the gears and crank arms can be much thinner and better spaced...unless you pedal like a steam engine! :) Just a good idea I like and thought may be...
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    Brilliant enclosed scooter. Inspirational IMHO

    Hope this is the right place for something like this. This guy has fully enclosed a scooter. And in a such a way that it looks factory and damn good! It's heavy but looks able to take the knocks in an accident. (which he kinda proves due to a forgotten wheel nut!) Door, floor, weatherproof the...
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    Printed Polarity Magnets: Single piece magnetic rotors?

    Hi guys. Lurking and learning here. :) This is all pie in the sky theoretical stuff, but maybe in the furure... Printed Polarity Magnets: drD416THU7Y Where the rotor holds the magnets and they tend to fly off at high rpm, this tech would be a godsend. With std hub motors one may get a...
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    Differential from 2 old angle grinders: Easy n Cheap

    Hi guys :) Been lurking and learning here, for a project I have in mind. One of the things everyone building a quad or a delta trike wonders about is differentials. Very simple (and damn clever!): cd1rcL7TiY0 Personally I'd enclose the diff/gap in the vid, fit sealed bearings, and drill/tap...
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    High speed hub or Mid motor with built in magnetic reduction box.

    As I understand things; a motor at higher rpms is more efficient than at low rpms. Problem is building in a compact, efficient, silent gearbox into a mid drive or hub motor... NOT: PyBTE5cjGDY This motor uses steel segments between the inner and outer magnetic fields or rotor and stator, to...
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