Ford Motor made electric vehicles a centerpiece of a turnaround plan presented to Congress on Tuesday, saying that it will introduce an all-electric van for...
One for John, Not sure if you have addressed this or not John, but I was having a recent conversation with the designer of Greenspeed's Glyde. He was telling...
... much ... and ... .......Yup. lets say the CdA of the shelled vehicle is 1.2 sqft. The Glide may be even be a bit below that. At 40 kp, 25 mph, it takes...
http://www.youtube.com/watch?v=yzF6isvl2sY Warning - this was shot with the intent of being informational, not 'art'. If you just gotta 'Roger Ebert' me,...
EV News including the first successfull Electric Plane <http://electricandhybridcars.com/index.php/pages/electriccarnews.html> A Silent Electric Plane Next...
I just thought I'd post this link here as there are obvious parallels with the ULEA concept and I thought it might be of interest. In the early 1980s an UK...
And Sinclair is still in denial. He was really a high school dropout with aspirations to being an engineer. His knowledge of transportation was about zero....
... I'm interested to hear that, but I'd hasten to add I posted the link for historical interest; not as a model for velomobile development. I'm sure that many...
I've been working with the Hub Motor Simulator at ebikes.ca trying to better understand how BLDC motors perform. When I began attempting to design an ULEA I...
I should caution that the Simulator graphs may lead to invalid conclusions when attempting to extend to RC motors or any sensor less ESC as they are for...
There is a new modeling program at the endless-sphere website endless-sphere.com/forums/viewtopic.php?f=28&t=7993. It is designed for electric vehicles,...
Here are at least three message excerpts from Elden;. ... motor load increases beyond the limiter threshold the output torque would not increase. The Simulator...
... The difference between either type of current limited performance and not limited is substantial when the limit is a low as we are using. ... My motor has...
I just read an article in the Porsche 356 Registry about using a iPhone as a data taker. You buy a program called Dynolicious and that will use the phones...
... http://www.dailyrecord.com/article/20090111/COLUMNISTS22/901110367/1005/ NEWS01 ... .....Yves how did you wind up seeing that article? One of the reasons I...
I'm writing to ask you when you're going to come and chat with me on cam. Even if you're not into me there are thousands of other real amateurs to choose from....
Mimi
mimi_9219@...
Jan 27, 2009 11:16 pm
857
... http://www.dailyrecord.com/article/20090111/COLUMNISTS22/901110367/100 5/ ... .....I saw a write up on using the iPhone in a Porsche 356 Registery, a...
I've been investigating various approaches to an ultralight assist. When I've touched my 300 gram S4020 motor after several minutes of continuous use it was...
... Smaller motors don't have as good efficiency as ... Hmm - Maxon motors range up to 90% ... If the ... 10% of maximum torque isn't what one would call...
Chris, Good to hear from you again! ... Which one are you suggesting? Are all Maxons inrunners? I haven't seriously considered inrunner motors as their Kv is...
... They have commutated brushed motors. An RE40 24V 7580 no load with an R of .317 Ohm. 317 rpm/V has an efficiency of 91%. Their gearboxes are 90% for one...
... an R of .317 Ohm. 317 rpm/V has an efficiency of 91%. That one seems to be slotless. Such designs have very high peak efficiency but seem to have limited...
I usually use the term gearbox as generic for all forms of speed reducers, SRs, but will differentiate here. I've been considering various possible approaches...
Elden, How about first stage of 5mm pitch (or even 3mm?) synchro belt and second stage of #25 chain? As you're not intending to use the motor on its own, you...
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