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If I could commute by bicycle.... I'd be all over that!!!
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350 watt hub motor is plenty. Fleabay china sellers have kits. I've seen one fellow commuting on a conversion - Huffy ATB, batteries on a rear rack / cargo pack. Controller was from a handicap scooter. From a glance estimate, he seemed to running just under 40, perhaps 35??. I don't think I'd want to exceed that on a clunker but maybe on a refined build with quality laced wheels.
http://static.electricbike.com/wp-co...6-IMG_2650.jpg |
Someone posted the link somewhere here to an American company that was making a pretty slick looking hub motor for the front wheel that was super easy to install
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That was me......front wheel drive sucks, tested one.
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Torque steer a wee bit? ;)
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Ya think?
I'd like to convert an aluminum 21 speed mountain bike, made by Giant and it's a hard tail......reverse engineering a Stealth Bomber e bike would be a good start. No shop keeps them in stock, no test rides, takes 4-6 weeks to get one and $10K. I know the theory as I did a 914 e conversion back in the early days. |
Hooligans.... ever see one of these? I have one like this in pieces, different company and seat. Good candidate for an electric hub... LOL. Maybe its best I leave it in pieces.
http://forums.pelicanparts.com/uploa...1381351304.jpg |
Those were the rage for about a week in Hermosa Beach, 1980 ish......drunks on a unicycle.....WTF could happen? The city council tried to ban them on the Strand (concrete board walk)....
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Hiding batteries to keep it clean looking.... hmmm. The older model Paslode finish nailer use 6V cylinder batteries and could fit into the seat tube. The tricky part would be making a long opening under the top tube for access to store additional batteries - need 36 volts. Once the batteries are installed, an extruded cover would somehow be firmly attached underneath as a stressed frame member (this is the top tube after all!) and heat sink while the batteries drains. |
I was thinking a rear mounted Blackburn kind of rack with a lockable rack, slide on rails and an electrical quick disconnect. Off bike charging capability.
Like to find sources for the hub motor. 36 volts...where did you get that specification? |
Blurb sheet fails to mention some items...
Speed « USA » Mode Engaged : 20 mph « Competition » Mode Engaged : 50 mph -------------------------------------------------------------------------------- Performance Range : Up to 50 miles Noise @ 50 km/h : 65 dB -------------------------------------------------------------------------------- Power « USA » Peak Power Engaged : 750 Watts « Competition » Peak Power Engaged : 4.500 Watts -------------------------------------------------------------------------------- Electrical Motor Type : Brushless DC Battery Type : LiFePO4/800 cycle Battery Capacity : 1.5kWh Recharge Time : 2 hours Charge : Standard 110-240V Drive Train Transmission : 9 Speed sequential gearbox -------------------------------------------------------------------------------- Suspension Front Travel Standard : 180mm (upgraded : 200mm) Rear Travel : 250 mm -------------------------------------------------------------------------------- Brakes Front Hydraulic Standard : 6 pot – 203mm (upgraded : 8 pot – 203mm) Rear Hydraulic Standard : 6 pot – 203mm (upgraded : 8 pot – 203mm) -------------------------------------------------------------------------------- Weight Weight : 116 lbs (env. 53kg) -------------------------------------------------------------------------------- Economy Cost : Less than $.01/mile Zero Emission |
I rode one of these around for about a year in high school (similar). I got it for free...knew the guy manufacturing them. So much easier to ride than a unicycle (which I used to ride as well.)
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I would love to put one of those on one of my old road bike and attach a roller to the 2" off my rear wheel and motor pace with a few strong riders. I will get a great workout but so will they. I had a honda 50cc scooter with a home made roller just for that purpose. I use it around the rose bowl with about 10 guys on my tail. These were the non training days (local hammerheads, like Todd would know what I am talking about ). The speed would stay above 30 for the entire 30-40 mile ride. Cops put a stop to that after about 2 weeks later.
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Joe Bob- I had a chance to see and try them a few years back. Came across a very old but wise china man... not joking. Anyhow, he was closing his cluttered bike store / workshop with piles of old bike junk but his main interest was electric conversions. It was hard to communicate with him but he had his overseas connections bringing small shipments of motors and related in. Looked like he went thru or escaped a rough era and came to the states. Neat guy though and too bad he closed. I might still have his card w/ phone. Anyhow he said the 350 watt was plenty but suggested 450 watt for heavier people or loaded bikes. Battery pack and controller were on a rear rack and some slung under the top tube. He was pricing the components to make a kit (less batteries) $390 to over $600. If you do some ebay search for the hub kits, look for the China direct sellers. Prices are not bad. Doubt you'll get any tech support or advice but its nothing too far out of radio-shack connect this to that thingy.
The commuter I mentioned earlier on the fast Huffy electric was built by the china man. Hilarious in a way seeing these spindly bikes flying along at 35 - same as typical speed limits in many small towns. Let er' rip some from Hong Kong: Ready to go kits from China (batt's and built wheel) - funny how they mention 'German quality'??? 1000 watt / 48V - seems low priced 700C laced up In PA. Lead acid batt's, 500watt ready to go kits. Speeds to 28 MPH. Listing seller seems more informative and realistic. |
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$330 ish on Amazon, free shipping. 26.5 lbs......a bit of a tank but steel frame and made in Venice CA supposedly. One of six colors. Not a fan on the bars but.......
Amazon.com: Sole Bicycles El Tigre Bicycle: Sports & Outdoors http://forums.pelicanparts.com/uploa...1381441161.jpg |
A vid on fixies....
<iframe width="640" height="360" src="//www.youtube.com/embed/iyZ5bu2JIks?feature=player_detailpage" frameborder="0" allowfullscreen></iframe> |
This is a cool thread.
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