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Search: Posts Made By: KPREN
Showing results 1 to 50 of 144
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Forum: Touring
04-16-21, 09:15 PM
Replies: 33
Views: 689
Posted By KPREN

That is a good road in my area.

That is a good road in my area.
04-16-21, 12:13 PM
Replies: 11
Views: 310
Posted By KPREN

The plumber piece is exceedingly as cheesy as a...

The plumber piece is exceedingly as cheesy as a kids pizza. It will work but I am gonna roll my eyes when you post it.
The trailer mount is built to double as a torque arm.
Forum: Touring
04-15-21, 06:47 PM
Replies: 33
Views: 689
Posted By KPREN

Where I live there are no shoulders and often a...

Where I live there are no shoulders and often a big deep ditch instead. There are very few passing zones as most roads are a series of short punchy hills. The lanes are also very narrow.

I tried...
04-14-21, 05:35 AM
Replies: 11
Views: 310
Posted By KPREN

The torque arm is manufactured by you with hand...

The torque arm is manufactured by you with hand tools from a piece of flat stock 1/8" steel from Home Depot or where ever.
Yes you would use a 3/8" x 1/2" shoulder bolt and fasten it with a nut on...
04-12-21, 08:27 PM
Replies: 95
Views: 2,183
Posted By KPREN

To which I reply. "You needn't feel sorry for me,...

To which I reply. "You needn't feel sorry for me, I don't feel I am cheating myself one damned bit. But thanks for caring".

Never say " That's not fair" Because when you hear those words you are...
04-12-21, 06:39 AM
Replies: 11
Views: 310
Posted By KPREN

Yeah, I found out why. The bed of the trailer is...

Yeah, I found out why. The bed of the trailer is too high to give massive ground clearance. The load is always top heavy. I remanufactured the trailer to have a 2 1/2" drop of the bed. Trailer...
04-12-21, 06:35 AM
Replies: 68
Views: 1,719
Posted By KPREN

good point

good point
04-11-21, 08:30 PM
Replies: 68
Views: 1,719
Posted By KPREN

Anatolia, at 6'2", 240 lb is not exactly fat...

Anatolia, at 6'2", 240 lb is not exactly fat anymore. Losing 60 lb would put you at about the minimum you would want to be at. My brother is 6'3" and 335 lbs He Shreks most bikes but does fine on a...
04-11-21, 08:17 PM
Replies: 11
Views: 310
Posted By KPREN

My QuietKat single wheel uses a 20" fat tire in...

My QuietKat single wheel uses a 20" fat tire in the rear.
04-11-21, 01:34 PM
Replies: 11
Views: 310
Posted By KPREN

I think I would try designing something like...

I think I would try designing something like this. Simple to make with hand tools and get soon. It's uses simple flat stock 1/8" steel. Available at most hardware stores. It utilizes a small torque...
04-11-21, 01:16 PM
Replies: 45
Views: 1,931
Posted By KPREN

Three road bikers got more exercise today because...

Three road bikers got more exercise today because of my e bike. Went out for a short fast ride on my e fat bike on empty rail trail. I always stick with class one on MUP. I was just a mile into a...
Forum: Touring
04-08-21, 01:58 PM
Replies: 24
Views: 1,434
Posted By KPREN

That is an understatement. Here is a typical...

That is an understatement. Here is a typical screen shot of Google Maps centered on eastern Kentucky and western West Virginia. The biggest answer you will get for asking directions will be "You...
03-29-21, 07:56 PM
Replies: 8
Views: 401
Posted By KPREN

Unless you get creative with the Bafang software...

Unless you get creative with the Bafang software you are going to top out at 45kph regardless of which chainring size you choose. 42 tooth is the best for chainline and speed. You can reach full...
Forum: Touring
03-25-21, 04:37 PM
Replies: 28
Views: 1,268
Posted By KPREN

GAP C&O from DC to Pittsburg checks all of your...

GAP C&O from DC to Pittsburg checks all of your boxes Rail trail

Blue Ridge Parkway checks all boxes except it is not flat and has auto traffic.

Ohio to Erie trail Cincinnati to Cleveland ...
03-24-21, 07:09 AM
Replies: 16
Views: 830
Posted By KPREN

I could go either way on a bike. Conversion or...

I could go either way on a bike. Conversion or commercial e bike. Each has their advantages.
The commercial bike is plug and play type riding. No hassles or planning and insurable with easier resale...
03-24-21, 06:37 AM
Replies: 45
Views: 1,931
Posted By KPREN

One of the nice things about an e bike is the...

One of the nice things about an e bike is the fact that you can get going again easily after slowing way down for congestion. Many of the paths in our area also have easy grass bail points to either...
Forum: Touring
03-18-21, 08:11 AM
Replies: 46
Views: 2,711
Posted By KPREN

I am gregarious and often just ask for permission...

I am gregarious and often just ask for permission to set up quietly, leave no trace and be gone early. No trespassing signs simply mean ask permission. Once in a while I am denied and graciously...
03-17-21, 05:40 PM
Replies: 45
Views: 1,931
Posted By KPREN

You cannot legislate stupidity out of stupid...

You cannot legislate stupidity out of stupid people but you can legislate people using common sense out of existence to the point where the lawless is all you have left, I sure the lawless would...
03-17-21, 08:42 AM
Replies: 45
Views: 1,931
Posted By KPREN

The spouse on a conventional bike will last about...

The spouse on a conventional bike will last about one ride.
03-17-21, 08:39 AM
Replies: 45
Views: 1,931
Posted By KPREN

There is no real downside. Bigger batteries are...

There is no real downside. Bigger batteries are essential for faster speeds. My range drops sharply with speeds above 15 mph. By 25 mph you need 750 watts. I have 52 volts @ 49 amp hours. My power...
03-17-21, 07:57 AM
Replies: 45
Views: 1,931
Posted By KPREN

It's easy, put the speed gun on you. Bike paths...

It's easy, put the speed gun on you. Bike paths generally have a 15 mph 25Kph speed limit. I generally stick pretty close to this limit. Busting 20mph stateside on the bike path is akin to being...
03-17-21, 07:05 AM
Replies: 4
Views: 598
Posted By KPREN

That depends on what you consider quality. Keep...

That depends on what you consider quality. Keep in mind that on a regular bike that could be anywhere from $400 to $12,000 and e bikes are no different.
All bikes are built to some kind of price...
Forum: Fatbikes
03-17-21, 06:31 AM
Replies: 2
Views: 338
Posted By KPREN

Those bolt caps can be purchased at any LBS as...

Those bolt caps can be purchased at any LBS as they are standard. Torque value is 30 ft/lb or 42NM.

The crank may not stay on if the crank arm flats have been peened a bit. You might need to...
03-17-21, 06:13 AM
Replies: 30
Views: 965
Posted By KPREN

I get cramps , usually after a long ride but not...

I get cramps , usually after a long ride but not always. Sometimes during a long ride. One of the main reasons I went to an e bike. E bike did not solve the problem because I increased my riding...
03-16-21, 07:43 AM
Replies: 19
Views: 1,138
Posted By KPREN

I am well versed in AC three phase motors. You...

I am well versed in AC three phase motors. You really should go look at the motor simulator stuff. All of the equations and methods are listed and your contribution would be much better if you did....
03-16-21, 07:03 AM
Replies: 31
Views: 1,165
Posted By KPREN

That is basically it. I started out a weight...

That is basically it.
I started out a weight weannie coming from a carbon S works bike to an e bike. The first bike I built was 38.6 lbs. My present bike is pushing 80 lbs. I got over the...
03-16-21, 06:43 AM
Replies: 14
Views: 948
Posted By KPREN

Smile Come on Chas, you can't have your cake and eat it...

Come on Chas, you can't have your cake and eat it too. E bike ride 65 degrees F and your dino/analog bike 39 degrees F and then your last sentence? We don't even need to read between the lines.(Said...
03-14-21, 04:28 AM
Replies: 41
Views: 1,244
Posted By KPREN

Not me but when I was a kid, the neighbor kid ran...

Not me but when I was a kid, the neighbor kid ran smack dab into the side of the local once a day train that was stopped and temporarily blocking the main intersection in a town of 1,800 people. He...
03-13-21, 09:31 PM
Replies: 19
Views: 1,138
Posted By KPREN

You would normally be correct but your reference...

You would normally be correct but your reference points are off. The programing on an e bike can manipulate both current and voltage. E bike controllers normally limit both voltage and current...
03-11-21, 09:24 PM
Replies: 19
Views: 1,138
Posted By KPREN

yes more or less.

yes more or less.
03-11-21, 02:48 PM
Replies: 48
Views: 2,249
Posted By KPREN

They can be hard to find now. When a tax credit...

They can be hard to find now. When a tax credit hits they will be near impossible to find.
03-09-21, 08:54 PM
Replies: 39
Views: 1,545
Posted By KPREN

Todays ride was 42 miles on crushed wet...

Todays ride was 42 miles on crushed wet limestone. Pictures show bottom bracket area and front fender/ mud guard. You can see how effective the setup is. ...
Forum: Touring
03-09-21, 07:11 AM
Replies: 63
Views: 3,492
Posted By KPREN

I ride an e bike on tour. Let's see, I spend a...

I ride an e bike on tour. Let's see, I spend a great deal of time massaging sore muscles trying to prevent leg cramps. Then its sore hip joints that don't want to move. How could one get bored doing...
03-08-21, 08:18 AM
Replies: 39
Views: 1,545
Posted By KPREN

I can give you an idea of what I did to protect...

I can give you an idea of what I did to protect the motor and battery from splash and mud. I have two protections. First is full fenders followed by a splash guard made of heavy plastic with stand...
03-08-21, 07:55 AM
Replies: 48
Views: 2,249
Posted By KPREN

I switched over to a fat bike completely. I can...

I switched over to a fat bike completely. I can tell you that there is a world of difference between the rolling resistance on fat bike tires and fat tire setups. The differences are dramatic. All...
03-03-21, 07:54 AM
Replies: 3
Views: 323
Posted By KPREN

If you jump from Samsung 31G cells to Samsung 35E...

If you jump from Samsung 31G cells to Samsung 35E cells you will get a slightly smaller battery at 21 amp h

3.1* 7 = 21.7 amp h and 3.5*6 = 21
One battery has 7 parallel banks and the other...
03-03-21, 06:49 AM
Replies: 3
Views: 323
Posted By KPREN

The battery mount adds about 3/16 Inch 5mm. The...

The battery mount adds about 3/16 Inch 5mm. The battery slides forward about and inch 25mm then lifts up another 3/16" or 5mm

You can fit a much larger triangle battery in that space. I assume you...
03-03-21, 06:40 AM
Replies: 39
Views: 1,132
Posted By KPREN

I missed the part about the 22 amp controller. I...

I missed the part about the 22 amp controller. I was thinking 40 amps. Controller is badly undersized but my question is. You say 1,500 watts. What motor kit do you have? Are you giving up...
03-02-21, 04:56 PM
Replies: 39
Views: 1,132
Posted By KPREN

try it. Your sag will be at least halved. It...

try it. Your sag will be at least halved. It still might be undesized.
03-02-21, 04:07 PM
Replies: 39
Views: 1,132
Posted By KPREN

Li=FePO4 has a low discharge rate. It takes a big...

Li=FePO4 has a low discharge rate. It takes a big battery in amp hours to pull many amps continuous. They are not as affected by temperature. They have many advantages to Li-Mn Cobalt batteries. ...
03-02-21, 10:00 AM
Replies: 39
Views: 1,132
Posted By KPREN

I would say that you are experiencing battery sag...

I would say that you are experiencing battery sag and the BMS is protecting the battery by cutting out. You probably need a Li- ion PF type of cell to pull more amps with a small battery or much...
03-01-21, 09:08 PM
Replies: 48
Views: 2,249
Posted By KPREN

If you never go very far, rolling resistance and...

If you never go very far, rolling resistance and windage doesn't really matter on an e bike but most people will run into range difficulties sooner or later. Even though I have a fat e bike,...
03-01-21, 09:22 AM
Replies: 48
Views: 2,249
Posted By KPREN

I got to thinking that this may or may not be...

I got to thinking that this may or may not be true in fact. I don't know for sure and I am not sure I would trust any studies out there with motives.
Perception trumps facts for purchasing decisions...
03-01-21, 08:39 AM
Replies: 48
Views: 2,249
Posted By KPREN

I use to let other people dictate my moods until...

I use to let other people dictate my moods until one day I realized that the problem was not them but how I choose to view it. I now know the choice is entirely mine to make. I am no longer a...
03-01-21, 06:23 AM
Replies: 48
Views: 2,249
Posted By KPREN

I do not believe that you are looking at a trend...

I do not believe that you are looking at a trend and I do not believe you are looking at a fad. I do not believe that e fat bikes are the norm and I do not believe that electric fat bikes are...
02-28-21, 10:40 PM
02-28-21, 10:15 PM
Replies: 15
Views: 702
Posted By KPREN

The battery bars are not accurate and are a...

The battery bars are not accurate and are a measure of voltage. Percent voltage drop does not equate to percent of watt hour remaining. Watt hours is also not accurate for battery drain because of...
02-28-21, 09:52 PM
Replies: 22
Views: 1,080
Posted By KPREN

You can only charge a 48 volt battery to 54.6...

You can only charge a 48 volt battery to 54.6 volts. You can charge a 52 volt battery to 58.8 volts. You will ruin a 48 volt battery trying to charge it to 58.8 Volts.
02-28-21, 09:47 PM
Replies: 48
Views: 2,249
Posted By KPREN

Fat bikes have many advantages but they have one...

Fat bikes have many advantages but they have one very big disadvantage. That big disadvantage is rolling resistance and wind resistance. They will roll over substantially more than regular bike...
02-28-21, 09:29 PM
Replies: 26
Views: 997
Posted By KPREN

Ahhh no, I am paying much more than that. My...

Ahhh no, I am paying much more than that. My bike pedals quite well power off. I can pedal it 10-12 mph power off not loaded. Loaded 8-10 mph
...
Showing results 1 to 50 of 144
 


 
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