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Search: Posts Made By: Doc_Wui
Showing results 1 to 50 of 1000
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10-14-21, 08:48 AM
Replies: 17
Views: 441
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: 405
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: 405
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: 17
Views: 441
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: 9
Views: 376
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: 3,752
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: 604
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: 597
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: 883
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: 405
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: 374
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: 245
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: 245
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: 405
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: 374
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: 405
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: 374
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: 271
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: 367
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: 501
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: 566
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: 566
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: 444
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: 439
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: 499
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: 712
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: 2,070
Posted By Doc_Wui

N=9.

N=9.
08-16-21, 11:29 AM
Replies: 38
Views: 1,354
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: 373
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: 1,354
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: 1,354
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: 1,470
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: 491
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: 937
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: 491
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: 463
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: 690
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: 690
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: 1,500
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: 843
Views: 955,916
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: 947
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: 1,216
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: 947
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: 1,216
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: 23
Views: 2,094
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: 2,219
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: 2,219
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: 17
Views: 1,168
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: 19,317
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: 19,317
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...
Showing results 1 to 50 of 1000
 


 
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