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Search: Posts Made By: Doc_Wui
Showing results 1 to 50 of 969
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07-10-20, 05:02 PM
Replies: 1
Views: 139
Posted By Doc_Wui

A 13Sx6P pack is 78 cells, which is close enough...

A 13Sx6P pack is 78 cells, which is close enough to your 80-ish number.

Did you really mean to say 48V 10.5AH? Divide the 10,5 by 6, and you have 1.8AH cells, which are relatively low capacity for...
07-09-20, 08:59 PM
Replies: 8
Views: 1,523
Posted By Doc_Wui

We have the 8FS, with front and rear suspension....

We have the 8FS, with front and rear suspension. Isn't a the 9FS the same? A suspension fork is considered too risky for a hub motor by many, me included. I'm not a fan of motors on a rigid fork...
Forum: Folding Bikes
07-03-20, 10:10 AM
Replies: 15
Views: 865
Posted By Doc_Wui

I've added a front derailleur on a bike (26")...

I've added a front derailleur on a bike (26") that had no front derailleur brackets. Being mechanically inclined, I found it was fun. Will it make a $500 folder more like a $1000+ folder? Well, it...
Forum: Folding Bikes
07-03-20, 09:54 AM
Replies: 2,329
Views: 364,927
Posted By Doc_Wui

Since Bromptom sells a front motor for their...

Since Bromptom sells a front motor for their bikes, as does Citizen, a 250W motor on rigid, perhaps Cr-moly forks must not be a liability. Being a worry wart retired engineer, I went with rear motors...
07-02-20, 02:36 PM
Replies: 3
Views: 211
Posted By Doc_Wui

Not a trivial project. You would need the same...

Not a trivial project. You would need the same controller that Juiced uses, and also have to machine the rear frame to fit their sensors they use.

Or you could buy a BB sensor, and the Cyclle...
07-02-20, 08:52 AM
Replies: 7
Views: 364
Posted By Doc_Wui

It's more than just the classes as you have to...

It's more than just the classes as you have to look at your particular state and its local regulations. A couple pf years ago, I loaded up our ebikes and drove 1200 miles to Colorafo only to find...
06-17-20, 08:02 PM
Replies: 11
Views: 496
Posted By Doc_Wui

What makes a kit not work? 1. When the motor...

What makes a kit not work?
1. When the motor doesn't fit in the dropouts,.
2. Motor turned out too slow. Conversely some motors are too fast for the user.
3. Crappy pedal assist, like when level 1...
06-17-20, 06:14 PM
Replies: 100
Views: 5,586
Posted By Doc_Wui

[QUOTE=Thomas15;21539127 At this point on the...

[QUOTE=Thomas15;21539127
At this point on the trail there is a road crossing so you have to stop and when they stopped one of the ladies went down like a sack of horse feed. My thinking is that you...
06-17-20, 04:25 PM
Replies: 11
Views: 496
Posted By Doc_Wui

It's most likely a kit that only uses freewheel...

It's most likely a kit that only uses freewheel compatible motors. THey offer to sell you a 7 speed 14-34T freewheel for $5.

I personally keep the 3 speed front derauilleur on conversions. On one...
06-16-20, 03:31 PM
Replies: 4
Views: 358
Posted By Doc_Wui

This has no effect on my riding. It's probably a...

This has no effect on my riding. It's probably a 13S-4P or a 52 cell pack.

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/1600x1201/p1510255_76852aa67bd674b33e01f293162d73fcd5fdf8b9.jpg
06-14-20, 09:43 PM
Replies: 13
Views: 655
Posted By Doc_Wui

More than a leveler, it's an enabler. I don't...

More than a leveler, it's an enabler. I don't think my wife would be riding at all without electric assist. We don't go very fast, only 12-14 mph, but these small inclines that used to to stop her in...
06-13-20, 11:31 PM
Replies: 10
Views: 556
Posted By Doc_Wui

I always wondered about the funky band brake on...

I always wondered about the funky band brake on the Natko, but it;s the front that does most of the stopping anyway.. Enjoy it and have fun with the pickle ball.
06-13-20, 11:24 PM
Replies: 4
Views: 287
Posted By Doc_Wui

A suspension fork with a electric motor has a...

A suspension fork with a electric motor has a high probability of failing and throwing you over the handlebars. Don't do it.
06-13-20, 11:07 PM
Replies: 13
Views: 655
Posted By Doc_Wui

Oooh. Ten to twelve weeks means sixteen weeks...

Oooh. Ten to twelve weeks means sixteen weeks shipped to US, and I get it in November, Brrr.
06-12-20, 09:32 PM
Replies: 13
Views: 655
Posted By Doc_Wui

Cool. When do you expect to see the kits?

Cool. When do you expect to see the kits?
06-10-20, 09:22 AM
Replies: 12
Views: 1,127
Posted By Doc_Wui

Review of the earlier Swytch kit. ...

Review of the earlier Swytch kit.
https://www.youtube.com/watch?v=N_Tt4J6BLGc
Forum: Folding Bikes
06-09-20, 05:41 PM
Replies: 1
Views: 348
Posted By Doc_Wui

They're electric. Otherwise they would be not...

They're electric. Otherwise they would be not very rideable, with 4"wide tires that are 23-24" high and 60 pounds or more in in weight, There are a couple of importers bringing them to the USA for...
06-07-20, 08:03 PM
Replies: 3
Views: 276
Posted By Doc_Wui

A $75 chinese charger? I never seen one that...

A $75 chinese charger? I never seen one that expensive. Must have had too many parts so it blew up., The $10 models have hardly anything inside to fail. Seriously, battery and charger do have to...
Forum: Folding Bikes
05-21-20, 10:07 AM
Replies: 23
Views: 1,404
Posted By Doc_Wui

You may still have to add shipping for the Nova....

You may still have to add shipping for the Nova. Wonderful bike. I've had the latter for 3 years ($279 in 2017) now. All it has needed was some oil for the hinge, and I wish all my folders had the...
05-20-20, 03:23 PM
Replies: 4
Views: 262
Posted By Doc_Wui

Unit Pack Power is currently selling on amazon. I...

Unit Pack Power is currently selling on amazon. I bought a U.P.P. battery on ebay last October. I asked them to give me a price on a 48V Dolphin pack, 12AH with Samsung cells instead of their typical...
05-15-20, 02:16 PM
Replies: 13
Views: 890
Posted By Doc_Wui

Where I live ...Illinois ... electricity is 30%...

Where I live ...Illinois ... electricity is
30% Coal
54% Nuclear
7% Natural Gas
10% Wind
It cost about 13 cents for 1000WH. here.

We have ridden our ebikes 1012 miles this year, and average...
05-14-20, 12:41 PM
Replies: 5
Views: 361
Posted By Doc_Wui

Gimme any wind. What do I care. These days, I...

Gimme any wind. What do I care. These days, I love wind when I ride as it lowers the risk of catching an airborne virus off a nearby rider, walker, or whatever when riding a bike.
05-13-20, 01:08 PM
Replies: 14
Views: 1,208
Posted By Doc_Wui

Something like this one?...

Something like this one?...
05-12-20, 01:29 PM
Replies: 6
Views: 607
Posted By Doc_Wui

I thought the Decathlon 500e was something...

I thought the Decathlon 500e was something exotic, but it looks like a normal 20" ebike. We own several electric folders. Mine has close to 2000 miles on Kenda 20 x1.75's. Just tread wear. I put...
05-11-20, 10:46 PM
Replies: 4
Views: 367
Posted By Doc_Wui

Yes, the heavy ellow, green, and blue wires from...

Yes, the heavy ellow, green, and blue wires from the controller go to the same color wires on the motor cable. However, you habe the w rong connector for the six thinner wires on the motor cable.
...
05-11-20, 09:05 AM
Replies: 10
Views: 488
Posted By Doc_Wui

I been following a Walmart e-bike thread on...

I been following a Walmart e-bike thread on another forum. The customer just broke a spoke, complained, and Walmart sent him an entire wheel/motor. That's not bad for a $2 spoke, getting a whole new...
05-11-20, 08:50 AM
Replies: 4
Views: 367
Posted By Doc_Wui

Man, they cannot even spell Brainpower anymore,...

Man, they cannot even spell Brainpower anymore, Wonder if that is a real unit or a copy. Not that "Brainpower" was any good. I had two. They weren't too good. Too weak. What kind of motor do you...
05-09-20, 10:40 PM
Replies: 62
Views: 4,659
Posted By Doc_Wui

Well. it's true that electric bikes are not a...

Well. it's true that electric bikes are not a good option for the poor, not when they are selling Vado;s for thousands of dollars.

Your friend could probably buy a new silverfish battery on ebay...
05-09-20, 05:13 PM
Replies: 5
Views: 248
Posted By Doc_Wui

We still have two regular bikes. The rest are...

We still have two regular bikes. The rest are ebikes.
05-06-20, 07:09 AM
Replies: 9
Views: 417
Posted By Doc_Wui

Unless I'm mistaken, the typical consumer cannot...

Unless I'm mistaken, the typical consumer cannot ship lithium batteries legally to these rebuilders.
05-05-20, 05:06 PM
Replies: 9
Views: 417
Posted By Doc_Wui

Eneloops made a good NiMh AA cell that I would...

Eneloops made a good NiMh AA cell that I would use in my digital cameras about 15 years ago. I had expected your bike to use niMh. but aha, it is lithium.

I cannot read Japanese, but it looks like...
05-01-20, 11:32 PM
Replies: 62
Views: 4,659
Posted By Doc_Wui

I rode 17 miles today on the ebike at 8AM, and...

I rode 17 miles today on the ebike at 8AM, and sure felt tired/sore at 6PM. Will be 72 this year.My wife and I ride for fun. We ride slow. Ebikes are letting us extend the ride.

I have one...
04-27-20, 02:03 PM
Replies: 87
Views: 4,831
Posted By Doc_Wui

I'm just a suburban bike path rider, and there's...

I'm just a suburban bike path rider, and there's a bikepath that's 5 minutes away and has 25 miles of paved/gravel oath that passes thru woods/water, no houses or traffic signals.. I woukd ride the...
04-27-20, 11:25 AM
Replies: 6
Views: 494
Posted By Doc_Wui

Just like your description, except Grandpa never...

Just like your description, except Grandpa never rode a bike and I was 8 years old. My cousins, age 7 and 9, taught me the same way. Then when I figured it out, we pushed my 7 year old brother up and...
04-24-20, 12:49 PM
Replies: 4
Views: 510
Posted By Doc_Wui

The GoCIty is about $100-200 more than other...

The GoCIty is about $100-200 more than other mail order competition, If your price includes full warranty support with store front support or Velofix coming to your house for a year, it could be...
04-20-20, 04:04 PM
Replies: 8
Views: 548
Posted By Doc_Wui

Do some google on "The Sun Trip", a race for...

Do some google on "The Sun Trip", a race for solar powered bikes from France to China. These will be real machines that endured the rigor of mind numbing pedaling acrossthe Alps and thru deserts. You...
04-17-20, 10:05 PM
Replies: 1
Views: 102
Posted By Doc_Wui

Shimano M355 hydralics Bleeding

Bought a pair of M355 calipers last winter. installed the front calipers last week. There's a little slack in the lever and braking is weak. I suppose it needs bleeding?
04-17-20, 10:16 AM
Replies: 61
Views: 3,287
Posted By Doc_Wui

I use a Harbor Freight floor pump. Almost all...

I use a Harbor Freight floor pump. Almost all plastic except for the pump shaft and the end pieces $10.99. When filling a fat tire last week, about the 400th stroke, I thought the plunger in the pump...
04-17-20, 10:09 AM
Replies: 40
Views: 1,376
Posted By Doc_Wui

Good for you! I recall learning when I was 8, on...

Good for you! I recall learning when I was 8, on a 24" Roadmaster that was too big for me. The other kids would push me down the sidewalk, let go, and I'd fall over. Maybe the second day, I flew...
04-17-20, 09:14 AM
Replies: 3
Views: 396
Posted By Doc_Wui

52V4Ah is 200WH, Probably 180WH usable, It...

52V4Ah is 200WH, Probably 180WH usable, It depends on how fast you ride and whether you're going to pedal or use throttle only.

I use under 10WH/mile, riding my ebikes at 12 mph with my wife. My...
04-16-20, 06:20 PM
Replies: 10
Views: 490
Posted By Doc_Wui

Yes. That's a fast charging battery chemistry,...

Yes. That's a fast charging battery chemistry, Too exotic for me,
04-15-20, 06:33 PM
Replies: 10
Views: 490
Posted By Doc_Wui

8,4A. Is the tailwind a lead acid battery?

8,4A. Is the tailwind a lead acid battery?
04-15-20, 09:20 AM
Replies: 10
Views: 490
Posted By Doc_Wui

Yes, I would. I interchange my 2 amp and 3 amp...

Yes, I would. I interchange my 2 amp and 3 amp chargers all the time. Don't have anything higher. The voltage of course, has to be an exact match.
04-15-20, 09:00 AM
Replies: 10
Views: 490
Posted By Doc_Wui

Chargers are inexpensive. You do have to look on...

Chargers are inexpensive. You do have to look on the label of the old one to see what rated voltage and current.

I did fix one once, but it just a loose component that needed resoldering,
04-14-20, 08:58 PM
Replies: 20
Views: 571
Posted By Doc_Wui

No summer music. No baseball. No hot dogs. No...

No summer music. No baseball. No hot dogs. No nothing. No ice cream runs, No golf, It's really a glum outlook for the summer of 2020.

Edit: Nonetheless, beats giving the virus to someone else, or...
04-07-20, 02:16 PM
Replies: 9
Views: 554
Posted By Doc_Wui

Which one did you get? Is like the red one in the...

Which one did you get? Is like the red one in the photo? That's rideable. I

While I've never seen either of those Focus bikes, It is quite common to change pedal assist options while riding on...
04-06-20, 09:37 AM
Replies: 9
Views: 554
Posted By Doc_Wui

I think you are out of luck, if looking for...

I think you are out of luck, if looking for something simple. If this is your friend's bike, it sure is an awkward design. Whoever sold it to a 79 year old man ought to pay the difference for a...
04-04-20, 12:51 PM
Replies: 45
Views: 3,055
Posted By Doc_Wui

Riding folding bikes, my fear is the weld behind...

Riding folding bikes, my fear is the weld behind the hinges breaking off, but the ones I own appear to have some big thick robust welds.
04-02-20, 11:51 PM
Replies: 20
Views: 1,306
Posted By Doc_Wui

It was always hard to ride on the paths closed by...

It was always hard to ride on the paths closed by the Chicago Mayor. The forest preserve paths coming out of Caldwell Woods and going uo to Ravinia had also always been popular.. Someone else posted...
04-02-20, 11:34 PM
Replies: 107
Views: 6,253
Posted By Doc_Wui

Best wishes for further recovery!

Best wishes for further recovery!
Showing results 1 to 50 of 969
 


 
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