Search found 287 matches

by Ben
Sep 22 2009 3:23am
Forum: General Discussion
Topic: Saw a lycra averaging 23 mph yesterday
Replies: 19
Views: 1951

Re: Saw a lycra averaging 23 mph yesterday

gogo wrote:Plus, its low impact and I'm blissfully unaware of my man-boobs.
But better yet, others are unaware of them too.

This thread makes me want to dust off my bike and see what speed I can clock. Maybe next week.
by Ben
Jun 13 2009 5:14pm
Forum: E-Vehicles General Discussion
Topic: EV design: Gull-wings... pros/cons?
Replies: 7
Views: 920

Re: EV design: Gull-wings... pros/cons?

Not so good if you roll it and land on the roof.
by Ben
May 17 2009 3:00am
Forum: General Discussion
Topic: 500W handheld LED
Replies: 16
Views: 2473

Re: 500W handheld LED

This one's 1kW also.

Fits in the palm of your hand :lol:

http://www.candlepowerforums.com/vb/sho ... hp?t=92396

Not LED, though.
by Ben
May 08 2009 12:29am
Forum: EBike General Discussion
Topic: theft, let's talk u-locks, leaving ebike in public area
Replies: 49
Views: 3731

Re: theft, let's talk u-locks, leaving ebike in public area

swbluto wrote:I was referring to the u-lock
Ah, fair enough.

I really want to have a go at cutting one now.
by Ben
May 08 2009 12:22am
Forum: EBike General Discussion
Topic: theft, let's talk u-locks, leaving ebike in public area
Replies: 49
Views: 3731

Re: theft, let's talk u-locks, leaving ebike in public area

swbluto wrote:I'll believe what I see and I haven't seen any reports of a New-York fahgettaboudit lock being broken under 6 minutes
Check out some of these videos:

http://www.almax-security-chains.co.uk/index.asp?pg=19

If someone really wants to steal your bike, they will.
by Ben
Apr 27 2009 11:15pm
Forum: EBike Technical
Topic: Air Cooling my x5
Replies: 592
Views: 73080

Re: Air Cooling my x5

I like potatonet's idea.

Link was thinking about doing something quite similar a while ago:

http://www.endless-sphere.com/forums/vi ... f=3&t=7296
by Ben
Apr 11 2009 5:58am
Forum: EBike Build Threads
Topic: Doctorbass's Garage and electric bikeS
Replies: 11
Views: 1858

Re: Doctorbass's Garage and electric bikeS

Fantastic video Doc!

Looks like you've got some fun toys there.
by Ben
Mar 27 2009 12:34am
Forum: E-Vehicles General Discussion
Topic: Top Gear British TV Show Faked Tesla Battery Failure
Replies: 10
Views: 1085

Re: Top Gear British TV Show Faked Tesla Battery Failure

Firstly, Top Gear is an entertainment show first and a car show second.

Secondly, they were merely showing what they would've had to do had they depleted the battery.

Thirdly, they're just having a bit of fun, I can't believe people take things so seriously.
by Ben
Mar 26 2009 2:35am
Forum: Battery Technology
Topic: Quick ultracap question
Replies: 4
Views: 598

Re: Quick ultracap question

liveforphysics wrote:As something to stiffen up a high Ri battery, it would be fantastic.
It might not even be that good. I calculated 8.1Wh total for the 20F 48V system. If they're rating them at 25C (that's the impression I get from the spec sheet), that's only 200W.

Much better to get some A123s.
by Ben
Mar 13 2009 3:10am
Forum: E-Vehicles General Discussion
Topic: MonkeyLectric Monkey Light
Replies: 4
Views: 650

Re: MonkeyLectric Monkey Light

It might be a good idea to check the legality in your state.

If you're riding an overpowered bike, the last thing you want to do is draw attention to yourself.
by Ben
Mar 09 2009 3:42am
Forum: EBike Build Threads
Topic: Stealth Trike
Replies: 39
Views: 10153

Re: Stealth Trike

prolly the most common is the T-Rex has the performance of a Supercar...OH haha its not electric Funny you should mention that AJ. http://www.silenceinc.ca/accueilEN.htm Also: Blackjack Zero http://img24.imageshack.us/img24/2348/blackjackzero.jpg VW GX3 Concept http://img5.imageshack.us/img5/9731/5...
by Ben
Mar 08 2009 5:04am
Forum: EBike Build Threads
Topic: Stealth Trike
Replies: 39
Views: 10153

Re: Stealth Trike

AussieJester wrote:80mph hehehe like to see it after it hit something at that speed by the look of it (aside from its the pig ugliness)
it looks like it would crumble like an aluminium can...can you say 'death trap' :-P
I could not have put it better myself.
by Ben
Mar 06 2009 4:07pm
Forum: EBike Non-hub Motor Drives
Topic: If only it was ELECTRIC!
Replies: 15
Views: 18487

Re: If only it was ELECTRIC!

Oh, I remember that build. Totally awesome.

I can see it now: drop an Agni in, a few kWhrs of LiFePO4, get it road legal, pretty sweet.

Here's a similar sort of concept bike (still ICE) - Yamaha Air Tricker:

Image
by Ben
Mar 01 2009 5:15pm
Forum: EBike Non-hub Motor Drives
Topic: MIT's e-bike
Replies: 16
Views: 2175

Re: MIT's e-bike



I don't like the folding design. Why overcomplicate things?
by Ben
Feb 22 2009 6:00pm
Forum: E-Vehicles General Discussion
Topic: FYI: Green wheel turns pedal bike into electric hog
Replies: 16
Views: 3523

Re: FYI: Green wheel turns pedal bike into electric hog

The problem I think is that the batteries and stator are static, so they're free to accumulate any grime and muck that gets washed in with water. The centrifugal force would only work on the rotating parts which, as far as I can tell, is only the outer casing. I think the vents are primarily there t...
by Ben
Feb 19 2009 5:19pm
Forum: E-Vehicles General Discussion
Topic: FYI: Green wheel turns pedal bike into electric hog
Replies: 16
Views: 3523

Re: FYI: Green wheel turns pedal bike into electric hog

I think they need the vents to cool the batteries. It seems like they could get awfully hot in there.

The wireless throttle is interesting as well, but it's just another thing that needs batteries.
by Ben
Feb 11 2009 5:26pm
Forum: Battery Technology
Topic: Thundersky Cells
Replies: 40
Views: 4197

Re: Thundersky Cells

Just thought I'd chuck this up here:

http://bev.com.au/diy.htm

It's an Australian site, but they're probably just an agent for TS rather than a stockist.

There was some good information (I thought) about a monster of a BugE using TS cells:

http://www.nappepin.com/LithiumEV.htm
by Ben
Dec 15 2008 4:44am
Forum: EBike Build Threads
Topic: Etek Project: Bike to Trike
Replies: 99
Views: 16767

Re: Etek Project: Bike to Trike

Yeah, it's confusing because both efficiency and RPM are measured on the y-axis.
by Ben
Dec 06 2008 8:23pm
Forum: EBike General Discussion
Topic: Brushless Geared hubmotors: BIG list & details
Replies: 175
Views: 132716

Re: Brushless Geared hubmotors: definitive list & details

Oh yeah, just so you know:

http://secure.oatleyelectronics.com//pr ... 2b107cf94c

It certainly looks like a Bafang, but the specs don't seem to match up with any motor on their website.
by Ben
Dec 05 2008 10:08pm
Forum: E-Vehicles General Discussion
Topic: Cnet Tesla Review
Replies: 7
Views: 1050

Re: Cnet Tesla Review

Gah, I can't stand the thought of someone ruining an EV by pumping out the sound of an ICE or any other tacky effect.
by Ben
Dec 05 2008 6:52pm
Forum: Battery Technology
Topic: a123 on ebay again
Replies: 21
Views: 2727

Re: a123 on ebay again

I'm lead to believe that these are not A123 cells.

They say they are similar to A123s.
by Ben
Dec 05 2008 5:45pm
Forum: EBike Build Threads
Topic: modified slingshot trike from 1970's
Replies: 54
Views: 9925

Re: modified slingshot trike from 1970's

Stumbled across this on the tube:

by Ben
Dec 05 2008 3:12am
Forum: Battery Technology
Topic: PSI -- LiFePo4 -- Testing.. 1 ... 2... Testing..
Replies: 196
Views: 23821

Re: PSI -- LiFePo4 -- Testing.. 1 ... 2... Testing..

recumbent wrote:The polypropylene looks like "kitchen cutting" boards, is this so?
They're either polyethylene or polypropylene.

It is a good choice for mounting plates as michaelplogue said.
by Ben
Dec 02 2008 3:36am
Forum: EBike Build Threads
Topic: E-Trike Project
Replies: 587
Views: 96169

Re: E-Trike Project

72 kays in second. You're a madman.

And now that you mention it, I can see the resemblance to Michael Douglas.
by Ben
Dec 02 2008 1:47am
Forum: EBike Build Threads
Topic: E-Trike Project
Replies: 587
Views: 96169

Re: E-Trike Project

I've gotta say: wow, it's come a long way.

I've also gotta say, and this has been bugging me for a while, how much you look like Steve the pirate:

Image

I hope you don't mind.