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Search: Posts Made By: mclewis1
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04-24-22, 04:04 PM
Replies: 21
Views: 1,060
Posted By mclewis1

Could you upgrade that bike ... yes, particularly...

Could you upgrade that bike ... yes, particularly if you were very handy or had help from someone who knows bikes. Should you? NO. The Schwinn has a number of potential issues, things that could be...
03-23-22, 09:29 AM
Replies: 21
Views: 1,060
Posted By mclewis1

www.ebikes.ca Grin sells a wide variety of...

www.ebikes.ca

Grin sells a wide variety of hub motor setups (motors, bits and pieces, complete kits, etc.). They also modify motors, design controllers, displays, etc. and support it all out of...
03-21-22, 08:43 PM
Replies: 7
Views: 628
Posted By mclewis1

The Luna Advanced 300w charger...

The Luna Advanced 300w charger https://lunacycle.com/batteries/chargers/ is one of the more popular battery chargers with variable capacities and amperage. I have a commercial 52v battery from Grin...
03-20-22, 01:20 PM
Replies: 7
Views: 628
Posted By mclewis1

The following applies to common commercial Li-ion...

The following applies to common commercial Li-ion batteries used on most ebikes, trikes, scooters, etc. The guidelines for other chemistries (LFP for example) can be a little different.
a) don't...
03-11-22, 09:25 AM
Replies: 9
Views: 492
Posted By mclewis1

With no battery and controller you won't have an...

With no battery and controller you won't have an illegal setup, just a heavy and really slow bike. There is no regulation as to how big and heavy a wheel hub can be (despite it also being an electric...
03-03-22, 06:07 PM
Replies: 41
Views: 1,660
Posted By mclewis1

I agree that you'll probably be fine with your...

I agree that you'll probably be fine with your initial choice as long as you're aware of the potential issues (which we've now discussed at length in this thread).

In my case I went with a bit...
03-03-22, 04:11 PM
Replies: 41
Views: 1,660
Posted By mclewis1

300-500w geared hub motors are radically...

300-500w geared hub motors are radically different in size than 1000+w direct drive motors. The Shengyi SX motor I use is 140mm in diameter (so it hides behind cogsets with at least 32 teeth and the...
03-03-22, 12:55 PM
Replies: 41
Views: 1,660
Posted By mclewis1

Oh, almost forgot to mention ... that Pedelecs...

Oh, almost forgot to mention ... that Pedelecs forum, aside from it having a lot of DIY content the reason I mentioned it is that there have been a number of interesting comments over the past years...
03-03-22, 12:46 PM
Replies: 41
Views: 1,660
Posted By mclewis1

I really don't think the issue will be "is that...

I really don't think the issue will be "is that an ebike", but more of "hey is that guy is riding an illegal ebike?". The later only occurring when you've drawn the police's attention. Spending a...
03-02-22, 09:41 PM
Replies: 41
Views: 1,660
Posted By mclewis1

"Stealth it up" ... riiiiiiggggght. Some black...

"Stealth it up" ... riiiiiiggggght. Some black tape and a few silly labels aren't going to hide the great big direct drive motor in the rear wheel. If you draw any attention from the local...
03-01-22, 10:43 AM
Replies: 41
Views: 1,660
Posted By mclewis1

It is a lovely bike and appears to be a great...

It is a lovely bike and appears to be a great value, but it's a compromise and IMHO not an option if -
You need to regularly charge the battery off the bike ... as anyone living in cold winter...
02-25-22, 08:15 AM
Replies: 3
Views: 376
Posted By mclewis1

How the torque is actually measured.

How the torque is actually measured.
02-15-22, 09:11 AM
Replies: 7
Views: 501
Posted By mclewis1

I'm curious why you didn't/don't use this wheel?...

I'm curious why you didn't/don't use this wheel? It has a nice rim brake surface, and if the spacing (width in the dropouts) was appropriate all you should need to do is remove the 6 Torx bolts and...
01-26-22, 08:36 AM
Replies: 60
Views: 5,391
Posted By mclewis1

That's about why I adapted my steel "classic" (is...

That's about why I adapted my steel "classic" (is a 20 year old steel Surly CrossCheck now "classic"?) ... but done with a less than $1500 budget (perhaps about $3k if I had to buy a CrossCheck or...
01-06-22, 05:18 PM
Replies: 60
Views: 5,391
Posted By mclewis1

You and me both. I'm guessing the attitude...

You and me both.

I'm guessing the attitude from marketing is that "svelte" doesn't have any specific or material meaning. Plus if you're used to 70lb moped like ebikes then 40lbs would be a...
12-27-21, 06:15 PM
Replies: 25
Views: 3,468
Posted By mclewis1

Thanks. We're using different fenders and tires,...

Thanks. We're using different fenders and tires, and I guess you might also be running slightly more clearance. I have to say that for me after first installing the Bridgestone fenders it was an...
12-25-21, 11:07 AM
Replies: 25
Views: 3,468
Posted By mclewis1

Bobby, Love that long front fender (and the...

Bobby,

Love that long front fender (and the whole Nishiki for that matter). Do you have any issues with front fender wobble at higher speeds?

I have almost that long a front fender on a very...
12-24-21, 12:12 PM
Replies: 25
Views: 3,468
Posted By mclewis1

Aside from the obvious need for some extra...

Aside from the obvious need for some extra clearance (usually 1-2 tenths of a inch) because of the studs (compared to similarly sized non studded tires) I've found it helpful to occasionally spray...
12-24-21, 12:02 PM
Replies: 10
Views: 1,551
Posted By mclewis1

Over the years I've tried a variety of shoe...

Over the years I've tried a variety of shoe covers, and generally I've found that anything with a zipper in front eventually leaks in heavy rain (and particularly with water coming off of the front...
12-17-21, 10:03 AM
Replies: 20
Views: 1,328
Posted By mclewis1

That's indeed a nice new option. A couple of...

That's indeed a nice new option.
A couple of comments ... while it's common "lawyerese" I wouldn't be happy with a bike for commuting that has the disclaimer of "While we do not recommend leaving...
12-16-21, 11:21 AM
Replies: 20
Views: 1,328
Posted By mclewis1

Just a few comments about commercial ebike vs....

Just a few comments about commercial ebike vs. DIY. I've built up a few bikes from scratch and do most of my own maintenance but I'm by no means some professional bike mechanic. Last summer I started...
12-10-21, 08:45 AM
Replies: 20
Views: 1,823
Posted By mclewis1

What has the OP's post got to do with ebikes...

What has the OP's post got to do with ebikes other than the word ebike in the title?
It would be better suited to a beginners cycling thread.
11-21-21, 11:56 AM
Replies: 10
Views: 899
Posted By mclewis1

That looks like it's taken from something like...

That looks like it's taken from something like Grin's motor simulator tool - https://ebikes.ca/tools/simulator.html

Long term road rider here too. I ride a cadence PAS (power) setup and tend to...
11-19-21, 09:10 PM
Replies: 14
Views: 1,129
Posted By mclewis1

Interesting ... I tried two of my lights - A...

Interesting ... I tried two of my lights - A CatEye Volt that didn't work when it was charging and similar one branded Serfas that does sort of work (light on but no access to changing the brightness...
11-19-21, 12:44 PM
Replies: 14
Views: 1,129
Posted By mclewis1

I don't know about any commercial lights like...

I don't know about any commercial lights like that (maybe just never noticed either). You could go the DIY route (carefully) ... find a suitable rechargeable light with blinking mode (commonly...
11-06-21, 11:29 AM
Replies: 22
Views: 1,377
Posted By mclewis1

I'm over 60, with a bad back (so much reduced...

I'm over 60, with a bad back (so much reduced power output) and weigh just under 100kg/220lbs, and I can currently get 50m/80km range on the road from a 750w battery (that really means 600w usable...
11-05-21, 08:08 AM
Replies: 22
Views: 1,377
Posted By mclewis1

I'd start asking specific questions with the...

I'd start asking specific questions with the folks at Luna cycle. They're not the only source of good kits but they have a good reputation of customer service.

I think you'll be able to keep an...
10-22-21, 01:52 PM
Replies: 60
Views: 5,391
Posted By mclewis1

Not quite all enclosed in the BB shell (some of...

Not quite all enclosed in the BB shell (some of the motor goes up into the seat or down tube) but it's all hidden. https://hps-bike.com/ I believe these are considered the most "stealthy" ebikes...
10-22-21, 10:42 AM
Replies: 26
Views: 1,837
Posted By mclewis1

Yup, agree 100% ... and the other related area...

Yup, agree 100% ... and the other related area that gets me is the lack of info on the BMS used. There are lots of features and capabilities built into most of the popular versions but just try to...
10-22-21, 08:32 AM
Replies: 26
Views: 1,837
Posted By mclewis1

Could also be from little green men from Mars ......

Could also be from little green men from Mars ... but given Grin's strong engineering background (rather than a marketing entity) and long experience in the marketplace it's much more likely that the...
10-14-21, 11:53 AM
Replies: 26
Views: 1,837
Posted By mclewis1

One of the better threads I've found that...

One of the better threads I've found that contains many external references to battery technology and charging information.
https://electricbikereview.com/forums/threads/e-bike-battery-guide.24443/
10-07-21, 10:27 AM
Replies: 60
Views: 5,391
Posted By mclewis1

Pic from the first ride. I still need to clean up...

Pic from the first ride. I still need to clean up some handlebar area wiring. The saddle bag contains tools and spare tube, no electronics....
10-07-21, 10:26 AM
Replies: 60
Views: 5,391
Posted By mclewis1

I recently "upgraded" a road bike (albeit one...

I recently "upgraded" a road bike (albeit one currently with flat bars). My almost 20 year old Surly CrossCheck has been a great all round type of bike but I wanted to create a good longer distance...
09-10-21, 11:01 AM
Replies: 8
Views: 741
Posted By mclewis1

I think using a timer with basic chargers is a...

I think using a timer with basic chargers is a good simple solution, but you do need to "know" your particular batteries. Even with a timer I would also keep a close eye on the charge state of the...
08-25-21, 01:14 PM
Replies: 13
Views: 1,065
Posted By mclewis1

Sempervee, That's good news. So with that...

Sempervee, That's good news. So with that particular battery you should be able to measure the voltage when the battery is turned on at either the output or at the charge point. It would obviously be...
08-25-21, 12:49 PM
Replies: 13
Views: 1,065
Posted By mclewis1

Yes they do have a rebound or recovery...

Yes they do have a rebound or recovery characteristic, the actual numbers vary a little between different manufacturers and types of Li-Ion cells. You can easily see this if you are monitoring the...
08-25-21, 12:33 PM
Replies: 13
Views: 1,065
Posted By mclewis1

Sempervee, Where (what point) are you measuring...

Sempervee, Where (what point) are you measuring the battery at ... at the charging port or at the actual output connection (where it feeds your controller)? The charging port is usually managed by...
08-22-21, 03:17 PM
Replies: 13
Views: 1,065
Posted By mclewis1

The linearity of the voltage to capacity...

The linearity of the voltage to capacity relationship of a particular battery will be dependent on the design and chemistry of the battery, it's age and condition, and how it's being discharged. Yes,...
08-22-21, 01:51 PM
Replies: 13
Views: 1,065
Posted By mclewis1

Search on "ebike battery voltage chart" and pick...

Search on "ebike battery voltage chart" and pick the chart that best works for you. Make sure you're using the 48v battery listing. But in a simple comment ... No 48v batteries are not fully charged...
05-01-21, 02:02 PM
Replies: 18
Views: 2,425
Posted By mclewis1

Question I run a nicely integrated and protected (temp...

I run a nicely integrated and protected (temp sensor) SX1 front hub with a 52v 750w downtube battery (21700 cells), integrated (within the battery case) 55a BaseRunner controller and the Cycle...
05-01-21, 08:49 AM
Replies: 18
Views: 2,425
Posted By mclewis1

Does it have to be the Bafang 500W motor? Grin...

Does it have to be the Bafang 500W motor?
Grin Technologies (ebike.ca) seems to have the smaller Bafang 311, the nice Shengyi SX1, and the more powerful new "MeZee" hub motors, all in fast wind...
03-23-21, 07:19 PM
Replies: 16
Views: 1,777
Posted By mclewis1

I also vote for a DIY/conversion. I built a Surly...

I also vote for a DIY/conversion. I built a Surly Bridge Club with a 500w front hub conversion kit. It's a Grin Technologies RTR kit, SX front hub in a 27.5" Alex rim (rim brake compatible), 52v...
Showing results 1 to 42 of 42


 
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