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  1. spinningmagnets

    What are our bike alarm noisemaker options?

    There are motion-sensors for hotel door-knobs, and also for attaching to laptops. Here's one example: I saw a Google story recently about "smart lock sprays bicycle thieves with dye". the attached story showed a thief with bolt-cutters and the alarm shrieked to alert you (sipping your...
  2. spinningmagnets

    Best set-up for range minded individuals

    I don't want to sound experienced...I'm not. But I have been doing some research for a while. My range needs are short, but if range is important, I have some thoughts I'd like to share. I'm reading good things about the effieciency of the 9-Continents hubmotor from ebikes.ca It is a hub-motor...
  3. spinningmagnets

    The famous EV MOTOR SOUND debate...vs old good V8 !

    Over on VisforV a while back there was a discussion about citizens expressing concern over how quiet electric vehicles are (bikes/scooters/motos/cars) In the bay area there is talk about a LAW requiring sound generators that have a minimum dB so pedestrians hear them coming and don't...
  4. spinningmagnets

    Hummer H3 Plugin Hybrid Gets 100 MPG, Kicks Prius Butt

    There was a discussion recently on another forum about GM restructuring. Plymouth (Chrysler) and Oldsmobile (GM) are the most recent marques to be shut down. When Plymouth was shut down, the Prowler was re-badged as a Chrysler (why not Dodge?) and this is an active topic of conversation. Saab...
  5. spinningmagnets

    DIY longtail -could it be this easy?

    Here's Justin on his "Cross-Canada" touring bike. One of the problems with a non-hub design is finding the space to mount the motor and possibly a 2-stage drive. Another problem is many people (especially older folks like me) prefer a seating position that is a little more laid-back. I...
  6. spinningmagnets

    DIY longtail -could it be this easy?

    oldhaq, thats a great idea! My personal taste is towards a different frame, but now I want one. I haven't finished my first project, I'm still working on my second, and now I want to start this third...Endless Sphere is really starting to annoy my wife.
  7. spinningmagnets

    Grinhill's Medium-power RC-Motor Hardtail build

    swbluto, here's the Peltzer build-site and his final version 2-stage. He only required short range, but had steep hills and wanted high power from 24V. http://www.electricycle.com/ Grinhill, if one of these RC motors was mounted like yours but on a rear suspension bike, could it be better or...
  8. spinningmagnets

    my unusual solar forced air heater, cut my heating bill

    www.builditsolar.com has many, MANY projects like this, and every possible configuration has been tried by someone. Results posted, improvements tried, and various material choices priced and performances evaluated for consideration...a months worth of reading there!
  9. spinningmagnets

    Grinhill's Medium-power RC-Motor Hardtail build

    Great work, Grinhill, very inspiring! concerning the wheel pulley option for our budget-minded friends... The original "Peltzer" version 1.0 used a 20" rim. He ended up being unhappy with this, but this was years ago, before RC motors became an option and HTD belts became better-known. Motor is...
  10. spinningmagnets

    Tesla spotted!

    What! no pic? next time run and get the front page of the local newspaper, and get a pic of you holding up the paper next to the Tesla to verify the date (like a kidnapping pic) or someone could claim you just got the pic from the web!
  11. spinningmagnets

    BYD China lithium hybrid car now in production, F3DM

    The "Chery A5 Hybrid" is also currently in production in China.
  12. spinningmagnets

    BYD China lithium hybrid car now in production, F3DM

    BYD is preparing to launch their BEV van, the "E6"
  13. spinningmagnets

    BYD China lithium hybrid car now in production, F3DM

    http://www.indiacar.net/news/n89178.htm August 2008, SHANGHAI, China BYD Auto, and Chery Automobile both plan to begin building and selling new hybrid sedans later this year in their home market of China. So far, neither company has announced formal plans to enter the U.S. market, although...
  14. spinningmagnets

    BYD China lithium hybrid car now in production, F3DM

    The F3 is a gasoline car that has been in production in China, roughly comparable to the Toyota Corolla. The "DM" means dual-mode, which is their new hybrid model. According to this article, 80 have been delivered to government fleets for real-world evaluation and promotion...
  15. spinningmagnets

    Co-designer wanted, 3 wheeled tilting car

    Perhaps some useful ideas here? These guys working on a similar tilting project... http://zeept.wordpress.com/2006/06/
  16. spinningmagnets

    Suggestions? 20" BMX as a power-trailer

    Once I was daydreaming about the absolute cheapest way to electrify a bike, and I was inspired when I saw an $80 Schwinn Trailabout for kids in my neighborhood like this: I immediately could visualize 2 or 4 large batteries mounted low on the sides and a cargo box on top. Cheap, with good...
  17. spinningmagnets

    Suggestions? 20" BMX as a power-trailer

    Dear Grinhill and gogo, thank you for the responses. This is an experiment to show how cheaply it can be done. I have a welder, but I want to avoid using it on this project so others can see whats possible with just a drill and an angle-grinder with a cutting disc. I am pleased to hear that a...
  18. spinningmagnets

    Suggestions? 20" BMX as a power-trailer

    I'm looking for suggestions on converting a 20" BMX frame and rear wheel into a power-trailer. They are available at the local thrift store on a regular basis for $20. I also have a few parts collected on trash days from discarded half-bikes. (not interested in regen) The rear wheels have a...
  19. spinningmagnets

    It's not GM. It's CHRYSLER!!!!!

    I actually don't think there's a huge market for pure EV's, but anyone who makes them will sell "some" I believe theres a huge market that will increase for plug-in hybrids. Keep your eye out for where the Federal government targets their tax-credits. Whether you agree with where the...
  20. spinningmagnets

    wheelchair-accessable bicycle sidecar

    Dear AJ, love the trike, mate! first class work. I can tell you've built it to last. I just saw the pics you posted where you tow your wheelchair behind the trike. I thought it would be good to link them here due to the post title and future search terms used. I noticed the geometry looks like...
  21. spinningmagnets

    I don't like hub motors - (crappy ones)

    swbluto, the e-bike industry needs enthusiastic early-adopters like you. I have been following the non-hub section RC posts with interest, and eventually I may buy the parts for the reasons you mention (a year from now?), but... If my wife wanted an electric kit installed on her bike this week...
  22. spinningmagnets

    What's the problem with EVs and geared transmissions?

    IMHO, adding gears can reduce the size of the motor (cost/weight) while maintaining performance, and the added efficiency of using a smaller motor can extend the range of an existing battery pack. Whether brushed or brushless, indexing the input can add power and efficiency to an electric motor...
  23. spinningmagnets

    China Out to Dominate in Electric Cars (and Why Not GM)

    One major problem as I see it is the prevailing philosophy in modern large US corporations. There has recently been an emphasis on stock-options being a major portion of an executives compensation. In theory, if the company does well under that executives control, his stock options are worth...
  24. spinningmagnets

    Co-designer wanted, 3 wheeled tilting car

    A while back I was looking at electric tadpole trikes, both bicycle and gasoline-scooter types, and I found this delightful example from a British kit-car producer called the "MEV" http://www.youtube.com/watch?v=4r9116Ksgxg MEV E-trike video http://www.mevltd.co.uk/etrike.html Home website And...
  25. spinningmagnets

    Bicycle Lift in Trondheim, Norway

    In the USA, someone would eventually hurt themselves somehow, and then sue the city. A judge would allow the suit, and a jury would award the "victim" millions of dollars for negligence. The cities liability insurance carrier would order them to shut it down. I have a feeling that in Sweden, a...
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