A few yellowtops and an etek feels really good doesn't it - That's the kind of performance that I am used to running the 3 and 4 - 26ah Hawkers and the eCycle...
Just saw these tanks on ebay http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&category=53293&item=3836227146&rd=1&ssPageName=WDVW at 11 pounds full they would be...
TERMS OF SERVICE file for Power-Assist 1. Topics DIRECTLY related to the use and implementation of power-assistance of primarily human-powered vehicles are...
power-assist@yahoogro...
Sep 1, 2004 12:40 pm
28429
Just a thought I wonder if anyone has tried or could take a stock Currie-USPD and use a heavier chain and slap something like the eCycle motor on...probably...
... A system that ACTUALLY DELIVERS 250W to the wheel is great. Most of what we have never actually delivers the stated ratings at the time we really need it,...
Juergen Weichert
juergen@...
Sep 1, 2004 8:04 pm
28432
... under ... ~1.2KWh. ... The TS 10Ah Li-Ions are only $15 each, so $600 would get you 1440Wh, and a bit less soldering to do. Ultracaps - I've never been...
... I think for low power assists (200W - Oz limit) it's really important to feed them through all the gears so you can use the power at any speed. But in my...
Hello, I'm Greg and this is my first post. Hopefully some of you have some experience with the question of kids on power assisted bikes. Here's the situation....
Where do one buy such a monster as a 1100w heinzman motor ? its not on their website. Must pack a tremendeus power 81 N/m in a 26" wheel thats a push of...
Sorry….I can be a bit thick at times Do you mean the kids will be passengers on adult operated e-bikes or the kids will operate e-bikes independently? ... ...
... Well, in California it is illegal for anybody under 16 to ride something that is powerful enough to not be considered a toy, and while a mature 12-year-old...
... reaches ... Armstrong as ... 200-250W ... right ... Lance can deliver 600W at max effort (http://www.lancearmstrong.com/about_stats.htm). That's in a lab...
I wouldn't recommend giving a kid a bike with PA. You can quickly get up to speed, much quicker and with more regularity than self-pedalled. Sometimes your...
Juergen Weichert
juergen@...
Sep 1, 2004 10:04 pm
28440
1100 Watt is the Peak, try the 800W ... From: Kim Svensson [mailto:kim.svensson@...] Sent: Wednesday, September 01, 2004 4:58 PM To:...
... Peak performance, yes. Average output 245-280 watts. World's fastest cyclist, Canadian Sam Whittingham put out similar power during his record-setting...
Juergen Weichert
juergen@...
Sep 1, 2004 10:20 pm
28442
... Yeah... powering down hills in top gear is the only way to make up for the pedalling/pushing you'd have to do to climb ANY hill with only 200W! ... ...
It looks like these bikes *may* not be legal in Colorado. As a suggestion... you'll want to check with the legality of power assist in your area. While looking...
I like the systems where a DC electric motor runs in parallel with the pedals and uses the bike's existing gearing. It keeps the motor in its efficient power...
... Correct. It will draw more current when climbing a hill than it will on the flats for the same speed/RPM. Assuming the batteries can continue to provide...
Juergen Weichert
juergen@...
Sep 1, 2004 10:50 pm
28447
... The tanks weigh 7.7lb empty so you have 3.8lb of air to play with (x2). Not a lot of energy, but, as you say, great for experimenting. How about filling...
... How about a quiet stirling-cycle engine burning vegetable oil as an alternative to sugar fuel cells? Instead of smelling like a sweet- shop, your...
... What gearing was there between the motor and the drive wheel? ... I've been pulled over once, but my power-assist was being provided by 2 dogs! In the end...
... It's been a while since I cooked that trike up. If I recall correctly, the wheels on the trike are 3.50 x 6.00. I think the drive chain is 3/8" link type, ...
Dean Kaman of Segway fame is working on a Stirling engine. Juergen...
Juergen Weichert
juergen@...
Sep 2, 2004 2:08 am
28454
Princess AUto has these for about $10. Problem is getting 90V of DC - that's a lot of batteries. Then you have to build a reduction gear, and a transmission......
Juergen Weichert
juergen@...
Sep 2, 2004 2:11 am
28455
Go down to the local motorcycle track and see how well the 10 year olds can race. That is REAL power. Don ... get up to ... Sometimes ... (if ever?). ... ...
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