Search found 999 matches

by DogDipstick
Nov 28 2021 10:47am
Forum: Bike Mechanical & Structural
Topic: Are these wheels not laced properly?
Replies: 9
Views: 203

Re: Are these wheels not laced properly?

No, you can certainly get a cross in there. Mine is crossed. No prob. Galvanized spokes are bad tho. I would much rather have crossed spokes personally.
by DogDipstick
Nov 28 2021 9:40am
Forum: Items for Sale - Used
Topic: Thousands of 18650 batteries
Replies: 6
Views: 553

Re: Thousands of 18650 batteries

THAT IS ILLEGAL AND DANGEROUS AS F _ U _ C _ K

YOU TRYING TO KILL SOMEONE?!?!?!?!?!?!!?

JESUS frocking CHRIST.
by DogDipstick
Nov 23 2021 7:16am
Forum: Bike Mechanical & Structural
Topic: 5 k miles check up.
Replies: 21
Views: 371

Re: 5 k miles check up.

Can aluminum be superior to a cheap steel bike? P.S. yeah I've hit some BIG potholes HARD at 30mph. Can't always avoid them. Oh yeah. I have a high end frame. Its aluminum, and much better than any steel frame I have found. World class suspension is typically not found on steel bikes. The aluminum ...
by DogDipstick
Nov 21 2021 4:26am
Forum: EBike General Discussion
Topic: Myths about tires (part 1)
Replies: 97
Views: 1979

Re: Myths about tires (part 1)

100/90 or 110/90 is 3.50 is go~ :shock: A 110 section tire is 4.4" ~ I certainly agree..... my ~70mph rated tire is appropriate for our level of application load. It is about 2 lbs, DOT rated and name brand. 4 ply. Every argument is viable if you make uyp the numbers to suit the argument. I wi...
by DogDipstick
Nov 20 2021 11:36pm
Forum: EBike General Discussion
Topic: Myths about tires (part 1)
Replies: 97
Views: 1979

Re: Myths about tires (part 1)

Also remember a 9 pound moto tire mounts on a 5 to 10 pound rim. If you use bicycle parts, it's a 1/2 to 2-1/2 pound tire on a 2/3 to 2 pound rim. The difference is bigger than the example I used, which only accounted for the tire. Not all moto rims are that heavy. I dont thing the rim on my 170hp ...
by DogDipstick
Nov 20 2021 5:41pm
Forum: EBike General Discussion
Topic: Myths about tires (part 1)
Replies: 97
Views: 1979

Re: Myths about tires (part 1)

I'd be very surprised if anybody here gets their e-bike tires up into the temperature range where those curves diverge significantly. Maybe Dogman Dan in the New Mexico desert summer, but surely he wouldn't be pumping in moist air to begin with. Lol betcha I can. I got pics of the tires well over 1...
by DogDipstick
Nov 16 2021 3:56am
Forum: EBike General Discussion
Topic: Myths about tires (part 1)
Replies: 97
Views: 1979

Re: Myths about tires (part 1)

Some vehicles use nitrogen in their tires, they twist on the green valve cover. I havent looked into nitrogen, must be a scam or what? Nitrogen's purpose is primarily the longevity of the tires. ......oxygen makes them rot. " Oxidizing" is the terminology. Nitrogen on one side of the rubb...
by DogDipstick
Nov 16 2021 3:50am
Forum: EBike General Discussion
Topic: Myths about tires (part 1)
Replies: 97
Views: 1979

Re: Myths about tires (part 1)

All things equal (pressure, tread thickness and compound, casing material and thickness, wheel diameter, etc.), the wider tire will always have lower rolling resistance. Ya think? I am going to ask my engineer about this. I think... he would love a question of, or to decipher, the physics, of, and ...
by DogDipstick
Nov 06 2021 7:46pm
Forum: EBike General Discussion
Topic: Suspension Forks, Talk to me
Replies: 28
Views: 898

Re: Suspension Forks, Talk to me

I have rebuilt sooooo many forks.

A good fork has cartridges, coils, and oil. Rebound valves stack, compression valve stack. Shims valve stacks that are replaceable and configurable. Preload. Adjustable spring rates. Some come with a single weight in them, some have two.
by DogDipstick
Nov 06 2021 6:10am
Forum: Bike Mechanical & Structural
Topic: Ruined $150 Shimano Deore hydraulic brakes
Replies: 152
Views: 2651

Re: Ruined $150 Shimano Deore hydraulic brakes

I still have a stock of metal sintered pads. These are the highest quality Shimano ones. $25 a piece. I'll try resin, I do live in a dry environment. Do I need to clean the rotor switching to resin? I already cleaned with iso propyl 99 % DO2s are junk. The resin ones with the fin are the best. I tu...
by DogDipstick
Nov 06 2021 5:26am
Forum: EScooter/EMotorcycle Build Threads
Topic: ME1115 or Qs138 70h/ 90h
Replies: 4
Views: 608

Re: ME1115 or Qs138 70h/ 90h

That is a tough queston.

ME is a famed motor.. That is the one I would want of all the ME motors. ....


...but so is the 90H. The 90H is quite a heavy solid construction, and can peak much higher I hear ( just study, no experience).
by DogDipstick
Nov 05 2021 8:43am
Forum: Battery Technology
Topic: Help identifying "no name" pouch cells
Replies: 6
Views: 311

Re: Help identifying "no name" pouch cells

Now THAT is a full and detailed response. Thanks for taking the time to compose it and share the fruit of your experience. I can now happily set these cells aside for recycling and not feel bad about being too apprehensive to try anything with them. Seems a shame to put all that effort into manufac...
by DogDipstick
Nov 03 2021 9:14pm
Forum: General Discussion
Topic: how about a 3d printer section?
Replies: 205
Views: 4643

Re: how about a 3d printer section?

You people are so good. I am just gonna lurk some more but wanted to say this. Yall so much better than me at traditional CAD development and design, and I even grew up with the programming being designed. I can do it.. but... its like math. I dont want to. but I can, and I'm ok at it. So I saw this...
by DogDipstick
Nov 03 2021 6:56pm
Forum: Battery Technology
Topic: Help identifying "no name" pouch cells
Replies: 6
Views: 311

Re: Help identifying "no name" pouch cells

First off, I wanna say: PLEASE use 'used cells".. and please, recycle. I love recycling. Best way to do it. You want to test IR: Erate: Crate: Capacity. Cycle one of them 10 times on a log. In, out, in, out, in,out. In a safe place. Charge full, and let sit for a month, a sample of say 1 of eve...
by DogDipstick
Nov 02 2021 8:23pm
Forum: EBike Technical
Topic: Definitive Tests on the Heating and Cooling of Hub Motors
Replies: 2120
Views: 442236

Re: Definitive Tests on the Heating and Cooling of Hub Motors

Two points.... 1) ..”half litre”.. seems way too much compared to other users of SA. Hence the high drag. It is acting like ATF is designed to do and acting like a torque converter unit ! 2)..if its emulsifying it is not getting hot enough to drive out the water. Less fluid would get hotter maybe ?...
by DogDipstick
Nov 02 2021 8:19pm
Forum: Battery Technology
Topic: APL's Pressure Contact Battery box
Replies: 139
Views: 3730

Re: APL's Pressure Contact Battery box

Pic of my most recent enclosure. Coming together. In the background you see the two 10s stacks of Chevy cells that are gonna be housed in that "compression housing" (... aka my idea of a 'really strong box') and the sheets of Poron on top. This pack gets its balance leads crimpped, main 4 ...
by DogDipstick
Nov 02 2021 3:05am
Forum: EScooters/EMotorcycles
Topic: 170mph EV Land Speed Motorcycle
Replies: 23
Views: 1003

Re: 170mph EV Land Speed Motorcycle

What is a Bender "Isometer", and why do you need one? Is it a racing requirement? Is it just so you dont take the chance, and blow up your expensive stuff (motor, controller inverter bank)? Lol. Sorry for such a novice question,. What does it do? How come you need one? Is it really danger...
by DogDipstick
Nov 02 2021 2:59am
Forum: Battery Technology
Topic: APL's Pressure Contact Battery box
Replies: 139
Views: 3730

Re: APL's Pressure Contact Battery box

Hey dog, is that offer open to anyone? APL inspired me to take this approach rather than the NEME boxes. Sure if you want to pay for an envelope. I can stuff a typical envelope with like 15-20. They are 6 x 10 x 0.20 inch Foam sheets from OEM Chevy volt modules ( so you know they are good and long ...
by DogDipstick
Oct 31 2021 9:59am
Forum: Battery Technology
Topic: Help identifying "no name" pouch cells
Replies: 6
Views: 311

Re: Help identifying "no name" pouch cells

Those pouch cells are trash. DOnt even try. Puffed puffed puffed city. Danger to user.

The A123 module might be worth it.
by DogDipstick
Oct 31 2021 9:53am
Forum: General Discussion
Topic: Back in the Saddle: Going to California: 2011
Replies: 433
Views: 148955

Re: Back in the Saddle: Going to California: 2011

Is this a picture of Kingfish? This whole thread blows my mind. I got a bet going on. Someone says this is a pic of ERIC HICKS..... I say nah. I want to give credit where it is deserved. Can anyone confirm this for me? All the pics are gone. From this thread. Pls? AnY ONe? Farfle? Edward? Fetcher? A...
by DogDipstick
Oct 29 2021 3:22pm
Forum: EBike General Discussion
Topic: Before I connect these batteries in parallel…
Replies: 65
Views: 950

Re: Before I connect these batteries in parallel…

Evidently it's too complicated for you, because Kirchhoff's laws don't say what you're saying. Yelling about it doesn't make you less wrong. I got 50 frocking references here waiting. Videos and tutorials. Models. Whiteboard equations. By popular youtubers and academic scholars. Ya know? You want t...
by DogDipstick
Oct 29 2021 3:01pm
Forum: EBike General Discussion
Topic: Before I connect these batteries in parallel…
Replies: 65
Views: 950

Re: Before I connect these batteries in parallel…

I think you may misunderstand the meaning of "node". Each discrete resistance (battery) has its own node. Just because they're in parallel doesn't make them a single node. Evidently it's too complicated for you, because Kirchhoff's laws don't say what you're saying. Evidently it's too com...
by DogDipstick
Oct 29 2021 1:52pm
Forum: EScooters/EMotorcycles
Topic: 170mph EV Land Speed Motorcycle
Replies: 23
Views: 1003

Re: 170mph EV Land Speed Motorcycle

coleasterling wrote:
Oct 29 2021 1:41pm


Read the first couple posts,
Lol I read that four times and didnt get it until the 5th. Me and my lack of reading comprehension. Srry bout that.

Lol. Ty. Bike looks like its 150 lb not 150 kilo. Cool. Again.
by DogDipstick
Oct 29 2021 11:06am
Forum: EScooters/EMotorcycles
Topic: 170mph EV Land Speed Motorcycle
Replies: 23
Views: 1003

Re: 170mph EV Land Speed Motorcycle

Our fastest run overall used the least energy. Energy-wise we could have made the run on well under 10Ah. Coolio. How... much did you weigh in at, and... how much weight is " too much to pass tech?"... How much does she weigh? I cannot believe you use those ANT bms thingies, you should ge...
by DogDipstick
Oct 29 2021 10:57am
Forum: EBike General Discussion
Topic: Before I connect these batteries in parallel…
Replies: 65
Views: 950

Re: Before I connect these batteries in parallel…

I was under the impression that C-rate was named that way in relation to Current. No. C-Rate = Capacity rate. Is, was, always has been, since 1860. I have some very very old books that do directly refer to it, and the E-Rate also. E-Rate = ?????? rate.....I bet you can figure that one out pretty ea...