Yes it is called Kerchoffs LAW. E=I*R where E= volts, I= amps and R=ohms. To find amps knowing the other two I=E/R which is 0.10/0.10 = 1. So you are correct....
OY----- my brain hurts I survived 6 Engineering-Physics classes in college, the course I wanted was over-subscribed (Smutty Movie Appreciation 101). joshua...
My thoughts: On your home brew amp meter; if you want to use this for an ebike, what is the maximum curent you anticipate? If me, I would go for max of about...
Very correct. I also forgot to add that it would be 0.5w per amp that you expect to measure. DUH!!!! I should really finish that first 20 oz. coffee before I...
Coffee is Power-Assist ain’t it joshua goldberg www.evsolutions.net ... From: power-assist@yahoogroups.com [mailto:power-assist@yahoogroups.com] On Behalf Of...
You should get the highest current NiMH packs you can. Current delivery is a weakness with NiMH. The top quality cylindrical cells, almost regardless of size,...
... Hmmm, I do High Power Rocketry... I'd say about $40 per intersection and $80 per hill, but forget about the sledgehammer and bumper stickers, You'll get a...
Can someone recommend a battery dealer to replace the batteries on my LAFree Sport with Hawkers? Also, I would appreciate knowing the exact Hawker model that...
once upon a time July 2nd 2004 i had a motorcycle accident, car cut me off going left on a red of a illegal immigrant with no insurance of licence , broke...
Thanks, Todd: If I understand the article correctly, I should shift gears to maintain consistent cadence and force to complement the effort of the motor?...
What would LiIon cost as a 36V-13AH pack? How much would it weigh? What is the cycle life of the pack be assuming that it is properly charged/maintained? ...
The more PA bikes/trikes out there the better. I just realized this weekend as the wife and I was paying bills and monthly book keeping we realized that a...
I emailed Scott at evdeals.com over the weekend. He amazingly answered each email within hours! One of the things I can do to increase torque, at the expense...
I was kinda serious. There are some hills that really need a rocket boost. Wondered if there was a low cost rocket that could save the batteries while giving...
Thanks for the replies, gents. I was trying to stay short, but I could have added that I've retired my power-slurping over-volted Zap system in favor of a ...
... the ... The article is about the design of electric bikes. Basically, the problems you are experiencing are intrinsic to the design of the assist systems...
If we are gonna argue the merits of gearing then I cant resist. If we look at gears in vehicles, we find that most automatic cars had only 3 gears until MPG...
If you are using the same gearing for motor and human then, of course, the extra weight is not an issue. Without variable gearing the motor needs to be...
I had a similar experience about a month back. The Brooklyn Bicycle Club was riding through my neck of the woods, and my LaFree sport passed every one of them,...
The optimum situation would be to run the motor through the same gearing as the pedal power. This can be done with the use of a jack shaft and has been done...
Whoah! Great story! I haven't read anything like that since I took a James Joyce class in college. I was wondering how the "X" was coming along. With your...
This bike is not the LaFree that I use to run errands. You know gravity bikes carry 50 pounds of lead to help them coast downhill faster. My Lafree went over...
Is that cycle life to 80% capacity or cycle life until they catch fire? Whichever comes first? If you are worried about the safety provided by brake lever...
I think that most ebikers don't get nearly the mileage that I do on mine. I do it by pedaling a lot. Basically I only use the assist for hills. With 26...
A few years ago, I saw a video clip of a jet engine mounted on the back of a bike. It was tiny -- about 20 cm in diameter and 40 cm long. It made that bike...
You might be thinking of the ADP-Vision Company Jet. I told Ricky Comar (the Marketing Manager) that the only way I’d ever consider driving a Vision SWB was...
... Ah yes, winter riding. The OTHER riding season! Juergen (tip - use your assist less and pedal more to keep warm in the winter - and use (steel) studded...
Juergen Weichert
juergen@...
Aug 1, 2005 8:45 pm
37119
... CDa and CD are two different things. CDa has units CD does not. Which one are you talking about. How do you "extrapolate" a Cd. For most unfaired bikes...
