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Search: Posts Made By: tpreitzel
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07-09-11, 11:23 PM
Replies: 220
Views: 148,887
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...
05-15-11, 09:27 AM
Replies: 32
Views: 2,016
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...
05-15-11, 04:32 AM
Replies: 32
Views: 2,016
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...
05-15-11, 02:42 AM
Replies: 32
Views: 2,016
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...
05-15-11, 02:36 AM
Replies: 32
Views: 2,016
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.
05-15-11, 02:35 AM
Replies: 32
Views: 2,016
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 ...
05-15-11, 02:18 AM
Replies: 32
Views: 2,016
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...
05-14-11, 03:21 AM
Replies: 32
Views: 2,016
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...
05-14-11, 02:29 AM
Replies: 32
Views: 2,016
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...
05-14-11, 02:25 AM
Replies: 32
Views: 2,016
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...
05-07-11, 06:50 AM
Replies: 32
Views: 2,016
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...
12-31-10, 07:26 PM
Replies: 329
Views: 37,604
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...
12-30-10, 12:24 PM
Replies: 329
Views: 37,604
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...
12-30-10, 11:12 AM
Replies: 329
Views: 37,604
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)
12-07-10, 02:22 AM
Replies: 220
Views: 148,887
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:
...
11-16-10, 05:08 PM
Replies: 9
Views: 1,926
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,...
11-16-10, 04:24 PM
Replies: 1
Views: 887
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...
10-29-10, 01:57 AM
Replies: 220
Views: 148,887
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...
10-28-10, 04:50 AM
Replies: 220
Views: 148,887
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...
10-07-10, 12:35 PM
Replies: 220
Views: 148,887
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...
10-07-10, 12:32 PM
Replies: 220
Views: 148,887
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.
09-17-10, 11:44 PM
Replies: 9
Views: 1,926
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...
03-05-10, 02:12 AM
Replies: 8
Views: 1,194
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...
02-26-10, 03:16 AM
Replies: 4
Views: 1,246
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...
01-26-10, 02:45 AM
Replies: 220
Views: 148,887
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...
10-13-09, 12:43 AM
Replies: 220
Views: 148,887
Posted By tpreitzel

Another contender in the electric storage system...

Another contender in the electric storage system wars using SLA - EFFPower:

Looks readily adaptable to all forms of electric transport including bicycles with mass production by 2010:
...
10-10-09, 04:24 AM
Replies: 220
Views: 148,887
Posted By tpreitzel

The effort to extend the life of the stock IBT...

The effort to extend the life of the stock IBT batteries with the Renaissance charger was an apparent failure. Although, I managed to recharge two (1 set) of the 1 year old batteries to 13.2v...
10-07-09, 11:59 PM
Replies: 220
Views: 148,887
Posted By tpreitzel

Is anyone familiar with Power Sonic batteries,...

Is anyone familiar with Power Sonic batteries, specifically the PSH-12100F2? I can buy these batteries locally at Batteries Plus for about the same cost as shipping discounted items bought on-line....
10-03-09, 10:58 PM
Replies: 36
Views: 3,908
Posted By tpreitzel

The batteries will last at least a year if...

The batteries will last at least a year if properly maintained, i.e. drained no more than 3/4 of their fully charged capacity and recharged promptly after use. However, Currie has shipped "new"...
04-17-09, 04:29 PM
Replies: 13
Views: 1,427
Posted By tpreitzel

IZip Rapido

Although, this thread is a bit dated, Currie's new I-Zip Rapido should be considered for anyone else in a similar situation. Since the Rapido seems to use the same electrical drive as the E-Zip,...
01-02-09, 09:58 PM
Replies: 5
Views: 846
Posted By tpreitzel

Well, the forecast was for a high of 40+ degrees...

Well, the forecast was for a high of 40+ degrees so I decided to ride my E-Zip into town about 12 miles each way so I could conduct some business and work out at a gym. I took my charger with me. The...
12-29-08, 08:23 PM
Replies: 153
Views: 97,103
Posted By tpreitzel

Personally, I wouldn't dismiss the possibility....

Personally, I wouldn't dismiss the possibility. The current form factor even with a single cylinder is a bit large, but that problem shouldn't be too much of an obstacle. Production costs for a...
12-28-08, 02:27 AM
Replies: 153
Views: 97,103
Posted By tpreitzel

Basically, the newer 2 stroke * diesel engines...

Basically, the newer 2 stroke * diesel engines are much improved, but there's a huge number of older 2 stroke gasoline engines which can even be significantly improved with a slight redesign. Some...
12-26-08, 06:34 PM
Replies: 153
Views: 97,103
Posted By tpreitzel

buzzman - Are you sure you want replies? ;) ...

buzzman -

Are you sure you want replies? ;)

Personally, I think far too many people have their noses where they don't belong, i.e. in other people's business. Sure, the actions of others affect...
12-23-08, 03:43 PM
Replies: 11
Views: 1,551
Posted By tpreitzel

Say bye bye to the $225 price on Amazon.com. It's...

Say bye bye to the $225 price on Amazon.com. It's now $300. Out with the old. In with the new. We'll see the 2009 model of the E-Zip shortly. BTW, I received my E-Zip yesterday, but I haven't put it...
12-22-08, 04:07 PM
Replies: 18
Views: 1,062
Posted By tpreitzel

Generalizing the concept: Let's have a coast...

Generalizing the concept:

Let's have a coast to coast race for assisted bicycles similar to the infamous Cannonball for cars. Let the best technology win. Racing is a good way to improve the breed...
12-20-08, 05:45 PM
Replies: 366
Views: 38,782
Posted By tpreitzel

Well, there's a possible answer, then! ;) Thanks!...

Well, there's a possible answer, then! ;) Thanks! I'll be getting my very own personal E-Zip shortly.
12-20-08, 04:32 PM
Replies: 366
Views: 38,782
Posted By tpreitzel

From conversations with one chap with a 2007...

From conversations with one chap with a 2007 model E-Zip, he said that his motor cut out frequently until he discovered that the lever for the front brake was becoming loose. Once he started pushing...
12-19-08, 04:10 PM
Replies: 366
Views: 38,782
Posted By tpreitzel

Battery Insulation During Winter

This question needs to be addressed during the winter: What's the lowest cost, most efficient means of thermally protecting the batteries of an E-Zip from ambient temperatures (1). I'll be looking...
12-17-08, 02:15 PM
Replies: 11
Views: 1,551
Posted By tpreitzel

I just bought another E-Zip from amazon.com. Have...

I just bought another E-Zip from amazon.com. Have you tried this replacement motor on an E-Zip? If you have tried it successfully, you should post this information on the upgrade of the motor on the...
12-04-08, 10:24 PM
Replies: 220
Views: 148,887
Posted By tpreitzel

I finally decided to write to FireFly Energy...

I finally decided to write to FireFly Energy about the possibility of releasing a lead acid battery with their newer technology for bicycle use. Daniel Stewart of FireFly Energy responds:

"Thank...
11-27-08, 10:07 PM
Replies: 220
Views: 148,887
Posted By tpreitzel

Schwinn Tailwind - Toshiba Super Charge Ion Battery (SCIB)

In just a few months, the new 2009 Schwinn Tailwind should be available with Toshiba's SCIB battery which recharges in about 30 minutes. Personally, I just want the battery itself, but we likely...
11-12-08, 03:05 AM
Replies: 366
Views: 38,782
Posted By tpreitzel

Yes, IF the price drops. Personally, I'd like to...

Yes, IF the price drops. Personally, I'd like to see the price at $300. Local Wal-Marts in my area don't carry the E-Zip. The on-line price is still listed at $400.
11-08-08, 01:49 PM
Replies: 366
Views: 38,782
Posted By tpreitzel

The E-Zip is a nice electric bicycle for the...

The E-Zip is a nice electric bicycle for the price. If the price drops, I'll consider buying one for myself. With colder temperatures, a rider won't get some of the ranges posted here from people who...
08-28-08, 11:28 AM
Replies: 366
Views: 38,782
Posted By tpreitzel

"Problems: ---The packaging is insufficient. It...

"Problems:
---The packaging is insufficient. It was all beat up when I got it via site-to-store. Thankfully, the bike was ok. It had some slight cosmetic damage. No big deal.

---fixing a flat on...
08-25-08, 03:29 PM
Replies: 12
Views: 3,020
Posted By tpreitzel

At $400, the E-Zip is dangerously close to a...

At $400, the E-Zip is dangerously close to a price where some kits can now compete based on value for the money. Although I'd still recommend an E-Zip, some kits should be considered especially if...
08-20-08, 02:51 PM
Replies: 14
Views: 3,879
Posted By tpreitzel

Question It sounds like a Zap product (zapworld.com), but...

It sounds like a Zap product (zapworld.com), but I thought those e-bikes were exclusively 12v...
08-15-08, 08:30 PM
Replies: 167
Views: 12,158
Posted By tpreitzel

;) You can't please everybody ... Although...

;) You can't please everybody ... Although subjective, I appreciate your use of the adjective, appropriate, when describing technology. Technology can be a harsh mistress.
08-12-08, 12:16 AM
Replies: 366
Views: 38,782
Posted By tpreitzel

I want to elaborate here, but removal of the rear...

I want to elaborate here, but removal of the rear tire is actually quite simple at least on the 2007 model of the e-Zip. Remove the two nuts and washers on each side of the rear axle. Remove the hex...
08-02-08, 02:35 PM
Replies: 220
Views: 148,887
Posted By tpreitzel

Firefly secures additional funding for further...

Firefly secures additional funding for further commercialization in the 4th quarter of 2008. Hopefully, we'll see some of this advanced SLA technology available for EV applications like bicycles...
Showing results 1 to 50 of 122
 


 
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