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Search: Posts Made By: Doc_Wui
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08-15-19, 05:26 PM
Replies: 22
Views: 813
Posted By Doc_Wui

Sure looks like a great adventure! That's Barkley...

Sure looks like a great adventure! That's Barkley on the back? Ride on and be safe!
08-12-19, 08:51 PM
Replies: 22
Views: 813
Posted By Doc_Wui

An operating range of 3.8-30 is fine.

An operating range of 3.8-30 is fine.
08-12-19, 11:08 AM
Replies: 22
Views: 813
Posted By Doc_Wui

Honeywell SS41 or SS411A per this ...

Honeywell SS41 or SS411A per this https://endless-sphere.com/forums/viewtopic.php?t=72074

You probably ordered something like the SS411A which is a little more tolerant for the power supply...
08-12-19, 10:33 AM
Replies: 22
Views: 813
Posted By Doc_Wui

Here's your video. You have a SW900 LCD display. ...

Here's your video. You have a SW900 LCD display.

https://www.youtube.com/watch?v=IoY1z-6ebnU
08-11-19, 09:09 AM
Replies: 16
Views: 829
Posted By Doc_Wui

Ebike riders can burn as much calories as analog...

Ebike riders can burn as much calories as analog riders, but most don't. Many do burn a lot more than they would have sitting at home.
08-11-19, 09:06 AM
Replies: 22
Views: 813
Posted By Doc_Wui

Only a few uploads on youtube under that name,...

Only a few uploads on youtube under that name, most of them about a spinning dog.

By the way, hope it is not the controller that failed. That could also happen of the wires crossed, but might be...
08-10-19, 08:36 AM
Replies: 22
Views: 813
Posted By Doc_Wui

Post 7 more times and you can do links, but no,...

Post 7 more times and you can do links, but no, your youtube video is impossible to find. Maybe you should include the youtube user name.

Here's one video......
08-09-19, 12:31 PM
Replies: 22
Views: 813
Posted By Doc_Wui

The three motor phase wires are switching the...

The three motor phase wires are switching the full battery voltage across the motor while the Hall sensors are powered by only 5 volts. During the time while your brake disk was sawing thru the...
08-06-19, 06:55 PM
Replies: 4
Views: 602
Posted By Doc_Wui

Road bikes can be a fun conversion, if you know...

Road bikes can be a fun conversion, if you know your way around bikes, but they can also be a little disappointing when done. You're adding a lot of weight to a light machine, and dropped bars don't...
07-24-19, 05:39 PM
Replies: 7
Views: 1,266
Posted By Doc_Wui

My fatbike motor is a 500W geared Bafang, similar...

My fatbike motor is a 500W geared Bafang, similar to what was going on the Sondors that year, that I bought in 2015 from Cnebikes in China for eIther $340 or $430, I don't remember the price, but it...
07-23-19, 08:18 PM
Replies: 1
Views: 818
Posted By Doc_Wui

If the bike otherwise runs well, you can use a...

If the bike otherwise runs well, you can use a regular bike speedometer. It's $7.99 and far more accurate....
07-21-19, 07:35 PM
Replies: 7
Views: 1,266
Posted By Doc_Wui

I have a steel frame Walmart fatbike that I...

I have a steel frame Walmart fatbike that I motorized with a 500W hubmotor. It's the stone soup of ebikes with the frame being the only part that's original. It's a comfortable bike with summer...
07-20-19, 11:28 AM
Replies: 12
Views: 1,417
Posted By Doc_Wui

The commercial ebike makers are selling bikes to...

The commercial ebike makers are selling bikes to a lot of owners who don't know how (or why) to shift, so they pick a smaller front gear so that newbie riders have a better chance of making it up a...
07-20-19, 08:10 AM
Replies: 12
Views: 1,417
Posted By Doc_Wui

I believe all those Bosch and Yamaha mid drives...

I believe all those Bosch and Yamaha mid drives are 7 or 8 speeds. 1x removes the advantage of a mid drive, where a smaller motor can use the bikes gearing.
07-18-19, 08:34 AM
Replies: 11
Views: 1,761
Posted By Doc_Wui

Plenty of good bikes with that kind of budget. If...

Plenty of good bikes with that kind of budget. If you're spending that kind of money, look for good service too.

Will you have to lift the bike to tote on a car or to put away? That's where I...
07-17-19, 02:00 PM
Replies: 23
Views: 2,398
Posted By Doc_Wui

Well, when you get old, it might be worth $17K to...

Well, when you get old, it might be worth $17K to recapture the joy of cycling that you had when young.

Ha ha, but I can ride like it was 1970 again on a $500 conversion kit,
07-16-19, 07:36 PM
Replies: 6
Views: 1,418
Posted By Doc_Wui

Nice test of an electric fatbike on the beach. He...

Nice test of an electric fatbike on the beach. He says the big problem was the ordeal of riding thru soft sand to get to the hard wet sand where it looks like great fun.
...
07-13-19, 09:55 PM
Replies: 10
Views: 1,700
Posted By Doc_Wui

I have a fatbike as well as bikes with 1.75" and...

I have a fatbike as well as bikes with 1.75" and 2" tires. All are electric.

Bottom line, I prefer riding my other bikes.The fatbike is mainly for looks, I don't need that.
07-04-19, 02:36 PM
Replies: 26
Views: 3,404
Posted By Doc_Wui

Crilex, I would forget 30 mph, as I saw the word...

Crilex, I would forget 30 mph, as I saw the word "legal" in one of your posts, if you plan to abide by that. Per the class system, the fastest you can go w/o pedaling is a class II at 20 mph. The...
07-04-19, 07:49 AM
Replies: 26
Views: 3,404
Posted By Doc_Wui

Here you go. Almost 100 pounds. 235 miles (at...

Here you go. Almost 100 pounds. 235 miles (at 13.5 mph).
https://electrek.co/2018/08/22/delfast-electric-bikes-set-world-record-for-range-and-enter-full-production/
06-29-19, 12:07 PM
Replies: 23
Views: 4,873
Posted By Doc_Wui

Well, now we all know that Trinh meant lead acid...

Well, now we all know that Trinh meant lead acid and I give him credit for posting in a an English forum. If I tried to write something in his country, I'd do far worse.

Enjoy your scooters,...
06-29-19, 09:03 AM
Replies: 11
Views: 2,242
Posted By Doc_Wui

Some more discussion here about folders. ...

Some more discussion here about folders.
https://electricbikereview.com/forum/threads/need-a-folding-e-bike-for-commuting-from-home-through-ferry-into-nyc.28527/#post-202181
06-28-19, 07:24 PM
Replies: 2
Views: 1,693
Posted By Doc_Wui

Rims are pretty generic, but they have different...

Rims are pretty generic, but they have different features you need to define if you are replacing them. A 26" rim fits a 26" tire, and come in varying widths. So you need the width of your old one...
06-26-19, 03:36 PM
Replies: 11
Views: 2,242
Posted By Doc_Wui

A motor is at least 4 pounds, and a battery that...

A motor is at least 4 pounds, and a battery that can give 40 mile range is around 7 pounds. Add the electronics, and a 40 pound ebike is actually on the lighter side. I do agree that 60 pounds is a...
06-23-19, 07:50 AM
Replies: 4
Views: 1,948
Posted By Doc_Wui

It's expensive today ($1299 with smallest...

It's expensive today ($1299 with smallest battery pack) in my opinion, but you got a good price with the early backers slot, Lin. Still it will appeal to the folks that want an ebike w/o needing...
06-21-19, 07:04 AM
Replies: 4
Views: 1,678
Posted By Doc_Wui

I figure you are talking about the disk brakes?...

I figure you are talking about the disk brakes? You go to a bike shop and see if they carry anything that fits. If not, you or the shop can replace the caliper with a Shimano or Textro unit that uses...
06-19-19, 09:12 PM
Replies: 6
Views: 2,837
Posted By Doc_Wui

I bought a $79 Walmart fatbike once. Replaced...

I bought a $79 Walmart fatbike once. Replaced everything but the steel frame, but the frame is very strong. Forks. Handlebars. Shifters. Derailleur. Crank. Pedals, Pedal arms. Brakes. Tires. Tubes....
Forum: Folding Bikes
06-18-19, 10:42 PM
Replies: 21
Views: 3,674
Posted By Doc_Wui

The Big Apples do roll well. This has never...

The Big Apples do roll well. This has never happened before, but coasting down a hill on our usual ride, my wife kept up with me instead of falling back as she usually does. She said she felt much...
06-18-19, 10:35 PM
Replies: 7
Views: 2,198
Posted By Doc_Wui

Whether it's my GT Transeo, or one of my ebikes,...

Whether it's my GT Transeo, or one of my ebikes, I average 12.7 mph, so 15 mph is a bit low. If I was careless and coasted down a hill, boom, a $100 fine for 17 mph..

I was taking a break and...
Forum: Folding Bikes
06-17-19, 09:28 PM
Replies: 21
Views: 3,674
Posted By Doc_Wui

Schwalbe tires arrived today. Went on easily,...

Schwalbe tires arrived today. Went on easily, except for me putting one on backwards. Took the opportunity to grease the bearings too.

Did a quick ride before it got dark. All seems fine, except...
Forum: Folding Bikes
06-15-19, 04:29 PM
Replies: 21
Views: 3,674
Posted By Doc_Wui

No fenders here, so I will try the Schwalbe Big...

No fenders here, so I will try the Schwalbe Big Apple.
Forum: Folding Bikes
06-15-19, 12:17 PM
Replies: 21
Views: 3,674
Posted By Doc_Wui

Wider tire for rails-to-trails gravel

My wife's Downtube 8FS has 20x1.25" tires, while my Nova is a 20 x 1.5". Actual tire widths are 1.41" and 1.56". Rims are either .85" or 1/0". We did some packed gravel on the Illinois Prairie...
Forum: Folding Bikes
06-07-19, 09:25 PM
Replies: 9
Views: 2,261
Posted By Doc_Wui

I am using the the Q100H from Bmsbattery.com on...

I am using the the Q100H from Bmsbattery.com on our two folders, At ebikes.ca, you can get a Bafang G311 motor on a 20". wheel, However, I believe that you can buy a inexpensive folder, like the...
06-03-19, 09:51 AM
Replies: 15
Views: 3,841
Posted By Doc_Wui

In the UK, with what I consider a restrictive...

In the UK, with what I consider a restrictive speed limit on commercial ebikes, you might want to consider putting a motor on an existing bike. There are a number of shops that will do that for you,...
06-02-19, 10:17 AM
Replies: 9
Views: 657
Posted By Doc_Wui

I bought a cheap 1" threaded suspension fork for...

I bought a cheap 1" threaded suspension fork for my Trek 800, but needed about 4 cm more threads to fit the frame. I couldn't cut the plated steel, so I converted to a 1" threadless mount, as I had...
06-01-19, 06:25 AM
Replies: 20
Views: 4,217
Posted By Doc_Wui

A 500W geared motor might be a better fit for...

A 500W geared motor might be a better fit for Denver hills, but if you're happy getting the workout, the Rad direct drive motor should work.
...
05-31-19, 12:29 PM
Replies: 5
Views: 2,917
Posted By Doc_Wui

I've not had any experience with this kit, but if...

I've not had any experience with this kit, but if you have a steel front fork and a water bottle fitting, this front drive kit seems easy to install. I would add a hose clamp under the battery to...
05-31-19, 07:30 AM
Replies: 5
Views: 2,917
Posted By Doc_Wui

SBarry, the kits are just as legit as bluetooth...

SBarry, the kits are just as legit as bluetooth speaker you mount on the handlebars. Sometimes the speaker falls off. Othertimes it can't find your source. Batteries run down. When working right,...
05-31-19, 07:16 AM
Replies: 30
Views: 4,357
Posted By Doc_Wui

If you ever had a hub generator on a regular...

If you ever had a hub generator on a regular bike, you felt the drag when it was pivoted onto the tire to run the lights, Please discard the idea that you get more energy from it that either your...
05-30-19, 06:56 PM
Replies: 30
Views: 4,357
Posted By Doc_Wui

Check with Marissa. I do think the hub generator...

Check with Marissa. I do think the hub generator would use more energy than it produces.
Marissa's Solar Bike Adventure ? Marissa Muller...
Forum: Folding Bikes
05-30-19, 06:53 PM
Replies: 17
Views: 2,310
Posted By Doc_Wui

This is one of the smaller motors one can buy for...

This is one of the smaller motors one can buy for a DIY ebike and would add about 5 pounds. I put these in our folders. They weigh about 35 and 40 pounds.
...
Forum: Folding Bikes
05-30-19, 06:23 PM
Replies: 9
Views: 2,261
Posted By Doc_Wui

The BBS02 normally sits parallel to the ground on...

The BBS02 normally sits parallel to the ground on most bikes, as the lower downtubes usually swoop upward with sufficient angle to allow that. I have one on a regular mountain bike,

If this...
05-28-19, 07:10 PM
Replies: 5
Views: 2,548
Posted By Doc_Wui

Yes, a lot of inexpensive ebikes have 12G spokes....

Yes, a lot of inexpensive ebikes have 12G spokes. Hard to maintain tension. They sell double butted spokes which are 13G at the elbow and 14G at the nipple. They will give good tension. If the motor...
05-28-19, 06:00 PM
Replies: 113
Views: 13,126
Posted By Doc_Wui

Last August, I found a debit card on my local...

Last August, I found a debit card on my local bike path, the kind you load up with cash and then use like a credit card. I dropped it off at a little bait shop where the shop keeper said two ladies...
05-28-19, 05:42 PM
Replies: 5
Views: 716
Posted By Doc_Wui

Riding my other bike in Chicago over the weekend...

Riding my other bike in Chicago over the weekend with hundreds of other bikes around me, I noted quite a few narrow stems on other bikes. Guess I'll not worry.

I replaced another fork last year,...
05-25-19, 01:23 PM
Replies: 5
Views: 716
Posted By Doc_Wui

Replaced steel fork with alloy. Strength?

I didn't realize my old fork was steel when I replaced it with a alloy suspension fork. What concerns me is that I wasn't thinking and cut the new fork to the same stem length. It's a 1 1/8"...
05-25-19, 12:18 AM
Replies: 23
Views: 4,873
Posted By Doc_Wui

I knew the article was from Viet Nam, but In the...

I knew the article was from Viet Nam, but In the USA/Europe, it's mainly scooters that run SLA batteries, and some folks on trikes, They are too heavy for bikes if you want decent range, and do't...
05-24-19, 09:14 AM
Replies: 23
Views: 4,873
Posted By Doc_Wui

You know, this seems to be written more for lead...

You know, this seems to be written more for lead acid batteries used in cars and a few ebikes, but people who use lithium batteries should follow other instructions.
05-21-19, 02:29 PM
Replies: 21
Views: 4,650
Posted By Doc_Wui

A dead scooter, the customer goes hungry. A dead...

A dead scooter, the customer goes hungry. A dead ebike, he might not get hot food, but you can still pedal to his address.
05-21-19, 06:47 AM
Replies: 18
Views: 2,595
Posted By Doc_Wui

Couldn't convert a bike cheaper than these two on...

Couldn't convert a bike cheaper than these two on sale from Walmart. It might not be the bike that a road rider wants, but should be fine for neighborhood riding,
...
Showing results 1 to 50 of 779
 


 
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