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Search: Posts Made By: tpreitzel
Forum: Electric Bikes 07-09-11, 11:23 PM
Replies: 163
Views: 68,053
Posted By tpreitzel
The following article on the availability of rare...

The following article on the availability of rare earth minerals categorically states (no reference) that China is strategically manipulating availability of rare earth minerals causing steep...
Forum: Electric Bikes 05-15-11, 09:27 AM
Replies: 32
Views: 1,066
Posted By tpreitzel
Notice the sticky thread, i.e. actually read it...

Notice the sticky thread, i.e. actually read it ... Lastly, I don't really CARE about your assessment of my capabilities. Just keep to the topic of this thread, i.e. the technical merits as outlined...
Forum: Electric Bikes 05-15-11, 04:32 AM
Replies: 32
Views: 1,066
Posted By tpreitzel
I'm unsure of this ICE's displacement, but the...

I'm unsure of this ICE's displacement, but the general concept is nice: *

http://i305.photobucket.com/albums/nn210/Serenity151/tad/IMG_3692.jpg...
Forum: Electric Bikes 05-15-11, 02:42 AM
Replies: 32
Views: 1,066
Posted By tpreitzel
An individual after my own heart. However, let's...

An individual after my own heart. However, let's talk about the technical merits and simply create e-bikes capable of such long distance performance while ignoring illegal laws * until we, the...
Forum: Electric Bikes 05-15-11, 02:36 AM
Replies: 32
Views: 1,066
Posted By tpreitzel
I'm also opening this thread to ICE engines...

I'm also opening this thread to ICE engines ranging from 32cc - 50cc and other forms of alternative power assist for a human rider.
Forum: Electric Bikes 05-15-11, 02:35 AM
Replies: 32
Views: 1,066
Posted By tpreitzel
As far as ready availability and lower prices, I...

As far as ready availability and lower prices, I agree. Advances in technology are creating the possibility of riding longer distances in relative comfort without any licensing or registration ...
Forum: Electric Bikes 05-15-11, 02:18 AM
Replies: 32
Views: 1,066
Posted By tpreitzel
Wrong. ;) If I can peddle a bicycle upward...

Wrong. ;)

If I can peddle a bicycle upward of 40 mph (As a weightlifter, I'm capable), I can certainly peddle an electric bicycle 20+ mph since it has peddles. Prove to a judge in court than my...
Forum: Electric Bikes 05-14-11, 03:21 AM
Replies: 32
Views: 1,066
Posted By tpreitzel
If I were living in Florida or New Jersey, I'll...

If I were living in Florida or New Jersey, I'll guarantee you that I'd ride an e-bike 30+ mph and look forward to my day in court IF I was obeying traffic laws when stopped. When a vehicle is...
Forum: Electric Bikes 05-14-11, 02:29 AM
Replies: 32
Views: 1,066
Posted By tpreitzel
The title of the thread, e-bike TRAVEL, which...

The title of the thread, e-bike TRAVEL, which implies some distance, i.e. ~ 150 miles per day, in order to advance the state of transportation for people not desiring the regulation ** of their mode...
Forum: Electric Bikes 05-14-11, 02:25 AM
Replies: 32
Views: 1,066
Posted By tpreitzel
Any such tickets would almost assuredly be thrown...

Any such tickets would almost assuredly be thrown out if challenged as a civil case in court. How does one prove illegality unless the biker was breaking a specific traffic law, i.e. running 30 mph...
Forum: Electric Bikes 05-07-11, 06:50 AM
Replies: 32
Views: 1,066
Posted By tpreitzel
E-Bike Travel

Hypothetical:

Distance: 1500 miles
Allotted Time: 10 days
Avg. Speed: 30+ mph
Registration: None
Legality: Don't Care ;)

Design an electric, gasoline, or hybrid powered bike for the least...
Forum: Electric Bikes 12-31-10, 07:26 PM
Replies: 329
Views: 25,126
Posted By tpreitzel
Raise your personal objections with Peter...

Raise your personal objections with Peter Fuhrman, the CEO of China First Capital, and the engineer,, Zhao Weiping. Google is your friend, e.g. info@chinafirstcapital.com. In the meantime, please...
Forum: Electric Bikes 12-30-10, 12:24 PM
Replies: 329
Views: 25,126
Posted By tpreitzel
On a mass production scale, one can likely...

On a mass production scale, one can likely assemble a solar assisted bicycle (semi-enclosed cab with built-in flexible cells) for ~ $1500. I agree that the price for this prototype in the US would...
Forum: Electric Bikes 12-30-10, 11:12 AM
Replies: 329
Views: 25,126
Posted By tpreitzel
Solar Scooter

This effort has been doable for a few years ... a nice, clean design:

http://www.chinafirstcapital.com/blog/archives/2346
(http://www.evworld.com/news.cfm?newsid=24781)
Forum: Electric Bikes 12-07-10, 02:22 AM
Replies: 163
Views: 68,053
Posted By tpreitzel
Axion has been quietly working since 2003 on...

Axion has been quietly working since 2003 on another proprietary version of lead acid chemistry called PbC:
...
Forum: Electric Bikes 11-16-10, 05:08 PM
Replies: 9
Views: 1,475
Posted By tpreitzel
No, but Currie says they can't keep these packs...

No, but Currie says they can't keep these packs in stock. Notice that their stock levels are frequently "out of stock". ;)

BTW, if one already owns a Currie electric bicycle with a RMB SLA pack,...
Forum: Electric Bikes 11-16-10, 04:24 PM
Replies: 1
Views: 475
Posted By tpreitzel
Sinclair's got the basic idea correct for an...

Sinclair's got the basic idea correct for an enclosed, solar-assisted electric bicycle (< 7' long). Sinclair needs to modify the X-1 to accommodate flexible solar panels. Personally, I'd like to see...
Forum: Electric Bikes 10-29-10, 01:57 AM
Replies: 163
Views: 68,053
Posted By tpreitzel
As I thought might happen, FireFly has risen from...

As I thought might happen, FireFly has risen from the ashes of bankruptcy on Oct, 1st, 2010: ;)

http://www.fireflyenergy.com/

Although I have no problem with the ICE at all, the people need...
Forum: Electric Bikes 10-28-10, 04:50 AM
Replies: 163
Views: 68,053
Posted By tpreitzel
An older chemistry based on Lithium Metal Polymer...

An older chemistry based on Lithium Metal Polymer and updated by DBM Energy (excellent performance from the current generation of batteries):

"The yellow and purple Audi A2 car took around seven...
Forum: Electric Bikes 10-07-10, 12:35 PM
Replies: 163
Views: 68,053
Posted By tpreitzel
Manufacturing of Revolt Technologies' Zinc-Air...

Manufacturing of Revolt Technologies' Zinc-Air batteries will occur in Oregon. Zinc-Air is much more energy dense than Li-Ion and should also be much cheaper in time. These batteries will be made for...
Forum: Electric Bikes 10-07-10, 12:32 PM
Replies: 163
Views: 68,053
Posted By tpreitzel
Me too, but somebody else will pick-up with their...

Me too, but somebody else will pick-up with their technological advance in lead-acid chemistry.
Forum: Electric Bikes 09-17-10, 11:44 PM
Replies: 9
Views: 1,475
Posted By tpreitzel
I'm still NOT convinced these SLA batteries can...

I'm still NOT convinced these SLA batteries can NOT be revived. Personally, I think they can be. I'm so blasted busy though so I don't have a lot of time to experiment. I think my Renaissance charger...
Forum: Electric Bikes 03-05-10, 02:12 AM
Replies: 8
Views: 892
Posted By tpreitzel
Personally, I'd buy it for that price. However,...

Personally, I'd buy it for that price. However, any prospective purchaser should check out the threads dealing with the E-Zip for more information. At $150, the E-Zip is a good purchase. Yes, the...
Forum: Electric Bikes 02-26-10, 03:16 AM
Replies: 4
Views: 807
Posted By tpreitzel
Now, just imagine this concept extended somewhat...

Now, just imagine this concept extended somewhat with a retractable canopy lined with solar cells. ;)

With all the new research into battery chemistries with vastly improved energy density * and...
Forum: Electric Bikes 01-26-10, 02:45 AM
Replies: 163
Views: 68,053
Posted By tpreitzel
Carbon Nanotube FLA batteries with allegedly...

Carbon Nanotube FLA batteries with allegedly vastly higher energy density over LA/LC FLA batteries. Will we ever see this technological advance for LA batteries adapted to SLA formats for the...
Showing results 1 to 25 of 122

 
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