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Search: Posts Made By: Doc_Wui
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09-25-21, 12:21 PM
Replies: 4
Views: 132
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: 3,061
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: 384
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: 337
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: 9
Views: 376
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: 6
Views: 202
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: 313
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: 175
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: 175
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: 6
Views: 202
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: 313
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: 6
Views: 202
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: 313
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: 211
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: 273
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: 10
Views: 353
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: 432
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: 432
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: 360
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: 368
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: 391
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: 581
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: 1,906
Posted By Doc_Wui

N=9.

N=9.
08-16-21, 11:29 AM
Replies: 38
Views: 1,250
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: 355
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: 1,250
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: 1,250
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: 1,355
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: 425
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: 22
Views: 859
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: 455
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....
08-09-21, 08:32 AM
Replies: 5
Views: 425
Posted By Doc_Wui

If this is a 16S battery using 3.7V cells, it...

If this is a 16S battery using 3.7V cells, it will be 67.2V at fill charge, 59.2V when half charged, and a 60V controller will shut it down around 48V, which is 3V/cell.

You're only getting 24...
08-04-21, 01:34 AM
Replies: 20
Views: 618
Posted By Doc_Wui

I found the Des Plaines trail on a south end,...

I found the Des Plaines trail on a south end, where it starts, to be a lot of dirt,, not that well marked, and noisy as it runs under the tollway, Then to get to the north section, it's posted as a...
Forum: Folding Bikes
08-01-21, 06:51 PM
Replies: 7
Views: 659
Posted By Doc_Wui

I put a 6 speed freewheel on our Loop, but use...

I put a 6 speed freewheel on our Loop, but use the original derailleur and twist shifter. I put in a rear hubmotor and needed a little more space. The original brake levers are quite short and were...
Forum: Folding Bikes
07-31-21, 12:49 PM
Replies: 21
Views: 1,282
Posted By Doc_Wui

Red loctite breaks down with heat, 500F or 250C....

Red loctite breaks down with heat, 500F or 250C. Needs a torch.

I never liked Vello's grandiose claims about riding without charging. Figured they couldn't be trusted.
07-30-21, 09:20 AM
Replies: 853
Views: 953,718
Posted By Doc_Wui

Latest conversion in progress. Came across a used...

Latest conversion in progress. Came across a used bafang front motor/wheel/tire for $45. They were taken off an Uber bikeshare ventture that failed, so they are good motors. I've not owned a cruiser...
07-27-21, 07:46 PM
Replies: 15
Views: 885
Posted By Doc_Wui

Okay. Flat road with a trailer? Better get a...

Okay. Flat road with a trailer? Better get a mirror and point it right at the dogger. He won't feel the load, and will worry that the trailer fell off,
07-26-21, 06:55 AM
Replies: 26
Views: 1,075
Posted By Doc_Wui

I have never experienced it, but owners of the...

I have never experienced it, but owners of the RadCity ebike, which is a direct drive rear hub motor capable of regeneration, report than when they have it set up for full regen, they have to pedal...
07-25-21, 03:11 PM
Replies: 15
Views: 885
Posted By Doc_Wui

Pittsburgh has some huge hills. You cannot expect...

Pittsburgh has some huge hills. You cannot expect to throttle up them without helping the bike out with pedalling and being in low gear. But the E-sparrow is single speed bike with a 250W Bafang. I...
07-25-21, 03:04 PM
Replies: 26
Views: 1,075
Posted By Doc_Wui

One of the early developers of regenerative...

One of the early developers of regenerative braking, justin Le of Grin Technologies, has said one can get up to 10% recovery in hilly regions. Nice if you live there and have to use brakes to control...
Forum: Folding Bikes
07-23-21, 10:42 PM
Replies: 22
Views: 1,708
Posted By Doc_Wui

I bought our Nova and 8FS in 2017 for $279 and...

I bought our Nova and 8FS in 2017 for $279 and $359 respectively, if I recall my pricing. Price inflation, pandemic, increased shipping costs. etc. make the current pricing understandable, but not...
07-23-21, 10:25 PM
Replies: 30
Views: 1,969
Posted By Doc_Wui

I think most of the steerers can be changed. The...

I think most of the steerers can be changed. The quills om threadless systems can be changed to threaded with quill adapters. Then you attach your stem extension to this or your standard threadless...
07-19-21, 06:42 AM
Replies: 30
Views: 1,969
Posted By Doc_Wui

Two kinds of electric folding ebikes. Fat tire...

Two kinds of electric folding ebikes. Fat tire and skinny tire. There's a thirty pound difference between these two that I own The wheels on the bigger bike are each about 2 pounds heavier. The...
07-17-21, 11:55 AM
Replies: 18
Views: 1,014
Posted By Doc_Wui

No, BidbadJohn is currently asking a question...

No, BidbadJohn is currently asking a question about a noisy motor, so he's still here.
07-17-21, 07:56 AM
Replies: 20
Views: 19,127
Posted By Doc_Wui

It was here. And when I looked on youtube at a...

It was here. And when I looked on youtube at a conversion using the same kits, they were quite fast, easily hitting 30 mph on lead-acid batteries. AT the time I had paid $550 USD for a bafang BBS02...
07-16-21, 09:10 AM
Replies: 20
Views: 19,127
Posted By Doc_Wui

There are still kits that use the Unite brushed...

There are still kits that use the Unite brushed MY1018 motors. These used to be $75 kits. Currie IZIP's used to run a similar configuration on their ebikes. I've even seen a mid motor rig using this...
07-15-21, 07:45 PM
Replies: 20
Views: 19,127
Posted By Doc_Wui

For brushed controllers, what they do is chop the...

For brushed controllers, what they do is chop the DC voltage into a square wave pulse, and adjust the pulse widths. The motor sees an average of that, so by changing the width of the pulse. you can...
07-14-21, 10:26 AM
Replies: 15
Views: 886
Posted By Doc_Wui

A poor guy died in SIngapore a month ago when his...

A poor guy died in SIngapore a month ago when his "PMD" caught fire. He was not the first to be killed in that nation.
...
07-12-21, 09:53 PM
Replies: 8
Views: 867
Posted By Doc_Wui

The ebike tester has a lot of flashing lights but...

The ebike tester has a lot of flashing lights but they have to flash in certain patterns, With the Hall sensor tester, you turn the wheel backward slowly and the three LED's need to flicker in...
07-11-21, 09:33 PM
Replies: 21
Views: 983
Posted By Doc_Wui

If it were me, I'd ask my insurance agent. Your...

If it were me, I'd ask my insurance agent. Your insurance company will be going after the other driver's company to recover its costs anyway.
Showing results 1 to 50 of 1000
 


 
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