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Search: Posts Made By: Doc_Wui
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Forum: Folding Bikes
11-23-21, 09:45 AM
Replies: 21
Views: 582
Posted By Doc_Wui

A 60-75 pound fat tire folder is pretty awful as...

A 60-75 pound fat tire folder is pretty awful as a recreational ride on pavement if you're used to riding a lightweight bike. This one was fun on packed sand om the western shore of Lake Michigan,...
11-21-21, 11:49 AM
Replies: 2
Views: 154
Posted By Doc_Wui

It was $899 new. Worth about $200 in my opinion...

It was $899 new. Worth about $200 in my opinion w/o a working battery.

While these batteries are probably available on aliexpress, China;s ebay for around $300, it's sure hard to identify them,...
11-14-21, 10:59 AM
Replies: 10
Views: 388
Posted By Doc_Wui

The past week, I ran the same 17 mile route with...

The past week, I ran the same 17 mile route with my usual habit of throttled starts, level 1 assist, and throttle help on hills. Then I did it a few days later without touching the throttle, and...
11-13-21, 12:20 PM
Replies: 38
Views: 2,336
Posted By Doc_Wui

Only a few do. It takes a big investment to make...

Only a few do. It takes a big investment to make it work right, like it does in cars. In my opinion, for bicycles, it's of little use, when most ebikers are riding at bike speeds, and complicates the...
11-13-21, 12:00 PM
Replies: 17
Views: 632
Posted By Doc_Wui

If you wish to believe manufacturer's claims on...

If you wish to believe manufacturer's claims on torque, then do your numbers. I happen to believe that many Euro mid drives underrate their mid drives to meet the 250W limits. At the same time, a ...
11-09-21, 09:36 PM
Replies: 14
Views: 550
Posted By Doc_Wui

I agree that venture caps expect to see a return,...

I agree that venture caps expect to see a return, but where would you put a second $150M to work? Think they will build an ebike factory in North America?
11-08-21, 06:57 PM
Replies: 5
Views: 209
Posted By Doc_Wui

IF you've followed the long discussion on open...

IF you've followed the long discussion on open source firmware to run the TSDZ2, you can buy a motor with this firmware from EC0-cycles.It has menu programmable options for many features. I've...
11-07-21, 11:50 PM
Replies: 14
Views: 550
Posted By Doc_Wui

Jeez, $150M, and one could start a dozen...

Jeez, $150M, and one could start a dozen companies importing chinese made bikes. Or is the money going into brick and mortar show rooms, and support staff? And liability insurance. That might fall...
11-04-21, 10:05 PM
Replies: 22
Views: 688
Posted By Doc_Wui

There are two DIY kits, Tongsheng TSDZ2, and...

There are two DIY kits, Tongsheng TSDZ2, and Bafang BBS02 and BBSHD. I feel the Bafangs are more reliable, The BBSHD is quite powerful and about $750. I feel the BBS02 is more than enough, and it...
10-28-21, 11:19 AM
Replies: 18
Views: 616
Posted By Doc_Wui

At age 73, I can still put the left pedal up,...

At age 73, I can still put the left pedal up, step on it and swing over for a smooth start as he bike takes off. Then I turn on pedal assist. The issue is I cannot do that in reverse to get off, I...
10-26-21, 03:10 PM
Replies: 5
Views: 386
Posted By Doc_Wui

The 750W BBS02 can draw about 25A-26A. Mine will,...

The 750W BBS02 can draw about 25A-26A. Mine will, You definitely want a battery where 30A is well within its limits, not one where it's all hype, If you couple it with a battery that is too small,...
10-25-21, 10:07 AM
Replies: 124
Views: 3,982
Posted By Doc_Wui

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/img_0740_d69fd546c8dde9c7ef40c0529f91cdf3f737ff86.jpeg
Dupage Greenway, all of 2 miles long, but it's what I got to ride. ...
10-25-21, 10:00 AM
Replies: 18
Views: 616
Posted By Doc_Wui

Only if you ride faster than your rim brakes can...

Only if you ride faster than your rim brakes can stop you.
10-24-21, 08:49 PM
Replies: 18
Views: 616
Posted By Doc_Wui

What I enjoy about my BBS02 conversion is the...

What I enjoy about my BBS02 conversion is the smiles per dollar. About $800 in parts if I were to do it again. It's not as refined a a Trek, but mine is quite, smooth, and powerful, although I rarely...
10-22-21, 08:57 AM
Replies: 1
Views: 256
Posted By Doc_Wui

After reading the amazon reviews on the Fobobike,...

After reading the amazon reviews on the Fobobike, seems likes 5% of the buyers had them either fail or leak, draining their tires flat. I suppose that if you buy Energizer or Durocell, that the...
10-14-21, 08:48 AM
Replies: 26
Views: 1,202
Posted By Doc_Wui

An electric car can afford the weight penalty to...

An electric car can afford the weight penalty to overbuild the battery, since it's very hard to replace them. I suppose an electric bike could do the same, since so many folks are loving their 75 ...
10-09-21, 10:09 AM
Replies: 20
Views: 763
Posted By Doc_Wui

Top discharge is where the bike has a motor cable...

Top discharge is where the bike has a motor cable that plugs into the side of the battery at the top, Very old design, and dangerous because the plug looks like an AC power cord plug.
...
10-09-21, 09:53 AM
Replies: 20
Views: 763
Posted By Doc_Wui

I've got a battery I took apart several years...

I've got a battery I took apart several years ago. Some of the cells are stored outside in an old firepit we never use. They still have voltage, about 80% charged..
10-03-21, 03:29 PM
Replies: 26
Views: 1,202
Posted By Doc_Wui

I recharge our batteries after every ride, and...

I recharge our batteries after every ride, and charge to 100% when we are using our bikes every day. When I know we're not going to use a battery for a week or more, I'll leave it half charged.
...
09-25-21, 12:21 PM
Replies: 11
Views: 644
Posted By Doc_Wui

I always thought it was the same chain. The "E"...

I always thought it was the same chain. The "E" adds a 10% adder to the price?

I bought a regular KMC chain when I converted my bike to a bafang mid drive,figuring I'd swap when the old chain got...
09-23-21, 11:18 PM
Replies: 109
Views: 4,088
Posted By Doc_Wui

Owned miatas since 1994. Joining a car club...

Owned miatas since 1994. Joining a car club changed my life, For years, our life revolved going places, doing stuff, with ourr miata friends. Meanhile, my wife and I were casual bikers, Our big thing...
Forum: Folding Bikes
09-23-21, 11:07 PM
Replies: 9
Views: 726
Posted By Doc_Wui

Wow. Nice bike. It's written in the DIY ebije...

Wow. Nice bike. It's written in the DIY ebije bible that suspension forks and motors don't mix well, so I think you did right as far as safety by going rigid fork. .

I've got a front motor 20"...
Forum: Folding Bikes
09-22-21, 07:48 PM
Replies: 10
Views: 810
Posted By Doc_Wui

I'd probably buy a Zizzo if I bent up my Nova,...

I'd probably buy a Zizzo if I bent up my Nova, but the prices are so high because of supply issues. that I'd wait and ride something else. .

I came across this folder. Taken by the disk brakes and...
Forum: Folding Bikes
09-22-21, 07:19 PM
Replies: 21
Views: 1,371
Posted By Doc_Wui

I originally lucked into a minivello clearance of...

I originally lucked into a minivello clearance of Sundeal mini's on Nashbar a few years ago, and became a fan on minivellos.

This year, I ordered this one last January. Arrived in May. No longer...
09-21-21, 03:46 PM
Replies: 20
Views: 763
Posted By Doc_Wui

You have the key switch on your battery? Turn one...

You have the key switch on your battery? Turn one click to lock the battery in the bike. Push in the key and turn it again to switch the battery on?

When I had my battery opened up, I found that...
09-20-21, 05:42 PM
Replies: 11
Views: 537
Posted By Doc_Wui

One of the best parts of biking, including...

One of the best parts of biking, including ebiking is when the derailleur clicks as you coast down a hill. You'll have to fake that sound with a speaker. LOL.
.
09-20-21, 05:37 PM
Replies: 4
Views: 356
Posted By Doc_Wui

It's Bionx? Yikes. Lower my offer. Now it needs a...

It's Bionx? Yikes. Lower my offer. Now it needs a new motor, plus controller, plus battery.
09-20-21, 09:52 AM
Replies: 4
Views: 356
Posted By Doc_Wui

A quick search brings up a blue book estimate.I...

A quick search brings up a blue book estimate.I rated it at the bottom tier, because it will need a new battery.

https://www.bicyclebluebook.com/value-guide/product/19884/

Nice looking bike....
09-20-21, 09:40 AM
Replies: 20
Views: 763
Posted By Doc_Wui

I noted that the ON/OFF switch in mine actually...

I noted that the ON/OFF switch in mine actually switches the main battery lines so it is a heavy duty switch. What I had seen in other batteries are low power switches that turn the low current...
09-20-21, 09:18 AM
Replies: 11
Views: 537
Posted By Doc_Wui

So energy and money is wasted creating resistance...

So energy and money is wasted creating resistance to simulate a hill? Goofy.

The concept works in electomotive diesel engines and submarines. Engines spin generators to charge the batteries that...
09-19-21, 07:45 PM
Replies: 20
Views: 763
Posted By Doc_Wui

I have a silverfish battery like the one in the...

I have a silverfish battery like the one in the picture on one of my bikes. Not a fuse. They either work or are blown, They won't come back to life the next day.

Mine died too. It was giving my...
09-18-21, 11:00 PM
Replies: 11
Views: 537
Posted By Doc_Wui

I sure hope not. Says a lot for the mentality of...

I sure hope not. Says a lot for the mentality of ebikers if that's what they want. There's no way to feel the slope, or a headwind, or the terrain with your body. All you're doing is spinning a...
09-13-21, 03:48 PM
Replies: 4
Views: 379
Posted By Doc_Wui

I''ve never seen one. I've owned three different...

I''ve never seen one. I've owned three different brands of LCD;s. All are five pin. Power, Ground, Ignition, Transmit Data, Receive Data. And all three have different communication protocols, so they...
09-12-21, 02:08 PM
Replies: 4
Views: 571
Posted By Doc_Wui

Thats a shame, I paid $45 for a used motor, with...

Thats a shame, I paid $45 for a used motor, with wheel and a Shwalbe Marathon tire. Sell off the parts.
09-12-21, 11:00 AM
Replies: 9
Views: 699
Posted By Doc_Wui

Visit a Pedego shop in Pittsburgh and try to test...

Visit a Pedego shop in Pittsburgh and try to test ride. Their bikes have quite the markup, as their customer base is boomers with a lot of dough, who need their ebike experience delivered with a lot...
09-09-21, 08:49 PM
Replies: 10
Views: 709
Posted By Doc_Wui

By the way, it's unrealistic to expect an ebike...

By the way, it's unrealistic to expect an ebike to last 10 years, although I have two with motors/electronics and batteries that are seven years old. They say batteries lose half their charge in that...
09-07-21, 05:42 PM
Replies: 10
Views: 709
Posted By Doc_Wui

Bromptom is a better folding bike, but that bag,...

Bromptom is a better folding bike, but that bag, and FWD. There's also a backstory on bikes that took off on their own, firmware recalls, and problems with Brompton trying to make a sophisticated...
09-06-21, 08:48 PM
Replies: 8
Views: 582
Posted By Doc_Wui

Your 36V10,2AH battery probably has 40 cells,...

Your 36V10,2AH battery probably has 40 cells, arranged in a 10x4 array. In battery talk, that's 10S-4P for 10 series groups and 4 parallel cells per group.

With a 2A charger, each cell gets 0.5A...
09-01-21, 07:51 PM
Replies: 6
Views: 501
Posted By Doc_Wui

They were selling those big DD motors in front...

They were selling those big DD motors in front and rear drive versions when I converted my first ebike in summer of 2015. However, I wanted the freewheeling of a geared motor, and all the veterans...
08-31-21, 09:29 PM
Replies: 10
Views: 565
Posted By Doc_Wui

Even if you have a hitch, there's homework to be...

Even if you have a hitch, there's homework to be done to ensure the hitch is capable, as well as any rack you buy. If a car is leased, why can't the hitch be removed when it comes tome to turn in the...
08-25-21, 10:58 PM
Replies: 10
Views: 820
Posted By Doc_Wui

That's a nice deal. If you stare at battery cases...

That's a nice deal. If you stare at battery cases on aliexpress.com, you can probably find some chinese seller selling it. Ypu can often find parts for the popular stuff. Otherwise, you could google...
08-25-21, 07:53 AM
Replies: 78
Views: 2,261
Posted By Doc_Wui

N=9.

N=9.
08-16-21, 11:29 AM
Replies: 38
Views: 1,538
Posted By Doc_Wui

Lithium packs will hold voltage thru a winter. I...

Lithium packs will hold voltage thru a winter. I keep them either outside on the deck or in my attached garage where it might get below freezing. They're at nominal voltage, which is 50% of...
08-16-21, 11:09 AM
Replies: 3
Views: 397
Posted By Doc_Wui

Batteries stored at full charge (like six weeks...

Batteries stored at full charge (like six weeks or more) have been shown to not last as long as batteries stored at 50%. For a 48V battery, 50% is 48 volts, and 100% is 54.6V. For that reason, it's...
08-15-21, 10:36 PM
Replies: 38
Views: 1,538
Posted By Doc_Wui

Cool. The Amish have decided electric bikes are...

Cool. The Amish have decided electric bikes are allowable in their lifestyle?.
08-15-21, 09:50 AM
Replies: 38
Views: 1,538
Posted By Doc_Wui

I would ignore Mr. Bolton. He would like to sell...

I would ignore Mr. Bolton. He would like to sell you a highly marked up controller and motor kit to replace the Rad fat tire motors. He is picking on Rad because they're the biggest target. Dozens of...
08-14-21, 02:38 PM
Replies: 34
Views: 1,638
Posted By Doc_Wui

I'm glad it worked out. Post a pic of the bike...

I'm glad it worked out. Post a pic of the bike out on your loop ride when you get a chance,
08-13-21, 10:19 PM
Replies: 5
Views: 576
Posted By Doc_Wui

Yeah, we wanna know if the dog had her own bike...

Yeah, we wanna know if the dog had her own bike or if she rode on back,
08-13-21, 10:14 PM
Replies: 21
Views: 972
Posted By Doc_Wui

My first conversion was a 1991 Steel Trek with a...

My first conversion was a 1991 Steel Trek with a rear motor. I added a suspension fork that I converted to thredless. If I wanted I could also put in a front caliper, even a hydraulic unit in that...
08-09-21, 08:48 AM
Replies: 7
Views: 510
Posted By Doc_Wui

You can get some ideas in this long thread. Many...

You can get some ideas in this long thread. Many people are using a low power TSDZ2 mid drive or a 36B BBS01 mid drive, Front motor is a little risky, because of fork breakage. Brakes no issue....
Showing results 1 to 50 of 1000
 


 
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