Search found 801 matches

by parajared
Feb 07 2019 3:13pm
Forum: E-Bike Non-hub Motor Drives
Topic: higher or lower kv
Replies: 74
Views: 5104

Re: higher or lower kv

If the wattage is the same and the RPMs are the same the bike will perform the same.
by parajared
Feb 07 2019 3:09pm
Forum: E-Bike Technical
Topic: Automatic anti spark circuit
Replies: 23
Views: 6007

Re: Automatic anti spark circuit

Has XT-90 antispark been mentioned yet?
https://hobbyking.com/en_us/xt90-s-anti ... s-bag.html
by parajared
Feb 07 2019 3:03pm
Forum: E-Bike General Discussion
Topic: volting up and gearing down
Replies: 7
Views: 338

Re: volting up and gearing down

heat and Wh/mi

If you overvolt too much your cruise efficiency starts to go down, your motor instead of being able to handle let's say 2000 watts starts to hit maximum heat (about 110 Celsius for me) at maybe 1800 or 1500 watts.
by parajared
Jan 25 2019 10:01am
Forum: E-Bike General Discussion
Topic: Arizona Legislature new e-bike/trails for 2019 Jan 1
Replies: 11
Views: 419

Re: Arizona Legislature new e-bike/trails for 2019 Jan 1

Utah has posted speed limits on their "multi-use paths" and doesn't seem to enforce wattage; 20mph I think. What's it like in Phoenix now with the scooter thing? I haven't been to Phoenix in a few years and last time I was there were scads of scooters everywhere. It seems that you can cell-phone app...
by parajared
Dec 13 2018 1:49pm
Forum: E-Bike General Discussion
Topic: Solid tires?
Replies: 17
Views: 723

Re: Solid tires?

Airless tires had not been popular so far, because they ride horribly at speed, and most are making rims fragile since hits are not spread around the wheel. I like solid tubes. I would liken the experience to something similar to riding in the mud on the bicycle side of things but install them on t...
by parajared
Oct 19 2018 1:29am
Forum: E-Bike General Discussion
Topic: Build 5: Black Bullet- KMX Typhoon Tadpole Trike
Replies: 19
Views: 8842

Re: Build 5: Black Bullet- KMX Typhoon Tadpole Trike

Nice work! Glad to see you're still at it. We have a single seat version of that trailer for my son to ride in; I keep seeing them pop up on endless-sphere for projects :P For our honeymoon in 2015 we flew to Las Vegas, got a rental car, and immediately left so we could explore a different national...
by parajared
Oct 19 2018 12:29am
Forum: E-Bike General Discussion
Topic: Build 5: Black Bullet- KMX Typhoon Tadpole Trike
Replies: 19
Views: 8842

Re: Build 5: Black Bullet- KMX Typhoon Tadpole Trike

Never use a nico press swedge OVER the vinyl on the cable, always strip the plastic off first. I saw that in one picture of one of your earlier builds, I know aircraft wire rope (and working techniques and just had to comment on that! Your use was probably not structural, so no biggie. But for a se...
by parajared
Oct 18 2018 6:01pm
Forum: E-Bike General Discussion
Topic: Build 5: Black Bullet- KMX Typhoon Tadpole Trike
Replies: 19
Views: 8842

Re: Build 5: Black Bullet- KMX Typhoon Tadpole Trike

Parajared, You have the talent, and the tools and shop space to make your own trike In 2013 I purchased the "Street Fox" design from Atomic Zombie and endeavored to build my own trike (www.atomiczombie.com). I found some exercise equipment at the thrift store that seemed perfect as steel beams. I l...
by parajared
Oct 16 2018 7:26pm
Forum: E-Bike General Discussion
Topic: Build 5: Black Bullet- KMX Typhoon Tadpole Trike
Replies: 19
Views: 8842

Re: Build 5: Black Bullet- KMX Typhoon Tadpole Trike

I really like your build and trips! I'm hoping to build a trike next year if I have the money, and there is some good information here. Any new updates? The material on my bike trailer wore out and started ripping at the seams. I removed all the nylon and got on the mig-welder, started building a t...
by parajared
Aug 02 2018 1:33pm
Forum: E-Vehicles General Discussion
Topic: Opinion on a Specific Motor for Inline Skates
Replies: 10
Views: 661

Re: Opinion on a Specific Motor for Inline Skates

The magnets are too small.

The repulsive force you need (in Gauss) is too weak.
by parajared
Jul 25 2018 1:17pm
Forum: E-Bike General Discussion
Topic: Help with ebike presentation
Replies: 26
Views: 669

Re: Help with ebike presentation

The whole "cheating" thing always confuses me. Cheating implies some sort of competition is taking place. I do not remember entering a bicycle race. I imagine it from their perspective, you are chugging down the road on your $1500 carbon fiber bike in your Lyrca suit and feeling fairly confident in...
by parajared
Jul 24 2018 12:29pm
Forum: E-Bike General Discussion
Topic: Help with ebike presentation
Replies: 26
Views: 669

Re: Help with ebike presentation

Maybe mention how it is faster to get around in big cities with them, say you mention the time it takes to get from point A to B in Las Angeles traffic vs point A to B on a bike path.
by parajared
Jul 24 2018 12:19pm
Forum: E-Vehicles General Discussion
Topic: Self-balancing electric bike
Replies: 26
Views: 2113

Re: Self-balancing electric bike

Maybe for those low-slung two wheel recumbents?

Image
by parajared
Jul 20 2018 10:12am
Forum: E-Vehicles General Discussion
Topic: Most interesting/useful non-vehicle thing to make from a Zero powertrain?
Replies: 14
Views: 829

Re: Most interesting/useful non-vehicle thing to make from a Zero powertrain?

i already built one that does 60mph.... :roll:

worse thing is that it could so faster but the original tires come off the rim at that speed. :mrgreen:
Well that would go well with the username "flippy" :lol:
by parajared
Jul 19 2018 5:14pm
Forum: Electric Aircraft
Topic: Zunum Aero, hybrid aircraft
Replies: 9
Views: 1005

Re: Zunum Aero, hybrid aircraft

I'm not familiar with UDF airliners but in powered paragliding the noise from the "noisy" 2 stroke motor is peanuts compared to the roar of the propeller itself.

Image
by parajared
Jul 19 2018 4:54pm
Forum: E-Bike Technical
Topic: What is normal voltage deviation between series connection?
Replies: 4
Views: 206

Re: What is normal voltage deviation between series connection?

What will happens with old batteries is that you get a cell (or two) that start to flake out on you. Most notably you will charge to 4.2 volts per cell and you get a cell that will only go to 4.15 or another thing that happens is that you will discharge down to 3.8 volts per cell and you will have t...
by parajared
Jul 19 2018 4:40pm
Forum: E-Bike Technical
Topic: How to correctly estimate range and maximum power
Replies: 5
Views: 337

Re: How to correctly estimate range and maximum power

When I experimented with a temperature sensor I came to the conclusion that you can overvolt and overamp the motor as much as you would like so long as you keep the motor cool (I cut off at 110 celcius). -RC hobbyking airplane motors intended for 3s overheat and seemingly run very inefficient (ineff...
by parajared
Jul 19 2018 4:14pm
Forum: E-Vehicles General Discussion
Topic: Most interesting/useful non-vehicle thing to make from a Zero powertrain?
Replies: 14
Views: 829

Re: Most interesting/useful non-vehicle thing to make from a Zero powertrain?

flippy wrote:
Jul 19 2018 1:18pm
should make a nice powertrain for a kart, or the worlds fastest mobillity scooter....
I have my suspicions that a number of long-time endless-sphere users are going to end up with some impressively awesome mobility scooters in their later years.
by parajared
Jul 18 2018 10:51am
Forum: E-Bike General Discussion
Topic: Mid Drive OR Rear Hub?
Replies: 5
Views: 420

Re: Mid Drive OR Rear Hub?

oops, I misread that.

I was comparing "right hand" mid-drive to hub.

You are interested in a "left hand" mid-drive I think. I don't think you would want to run 7.5 kilowatts down a bicycle chain. Sorry, I have never used a "left-hand" mid-drive so I can only speculate.
by parajared
Jul 18 2018 10:45am
Forum: E-Bike General Discussion
Topic: Mid Drive OR Rear Hub?
Replies: 5
Views: 420

Re: Mid Drive OR Rear Hub?

Hub on the flatter stuff. Mid-drive on the windy, steep stuff... Mid-drives feel a bit wimpy, what happens is that when you start to exceed about 1200watts or so they wear out the components in your drivetrain. Other users report snapping chains but for me personally the biggest issue was gears star...
by parajared
Jul 18 2018 9:59am
Forum: E-Vehicles General Discussion
Topic: EV Myths - add your own!
Replies: 107
Views: 3239

Re: EV Myths - add your own!

First thing that came to mind for me was actually that high voltage / low amps somehow equals higher efficiency versus high amps / low volts.
I was about to post that. It looks like you beat me to it.
by parajared
Jul 12 2018 9:57am
Forum: E-Bike General Discussion
Topic: Legal trails?
Replies: 33
Views: 1135

Re: Legal trails?

My experiences is that mountain bikers are a generally noisy group. They frequently ride in pairs and groups and they frequently yammer as their knobby tires grind away at the trail they are riding. In the still morning desert air I can usually hear their conversations plainly from hundreds of yard...
by parajared
Jul 11 2018 3:43pm
Forum: E-Bike General Discussion
Topic: Which Laptop for Bicycle Touring ... ?
Replies: 8
Views: 342

Re: Which Laptop for Bicycle Touring ... ?

How's you eyesight, a fold-out keyboard for your smart phone maybe? That's what I would use.
by parajared
Jul 11 2018 3:17pm
Forum: E-Bike General Discussion
Topic: Legal trails?
Replies: 33
Views: 1135

Re: Legal trails?

If it's okay with you guys I would prefer to visualize mountainbiker24 as a bike hating curmudgeon who harbors deep disdain for the outdoors, fun, and the MTB community. Thank you. Hello ya salty old fist shaker you! To answer your question, I enjoy single-track here in the mountains and while its l...
by parajared
Jun 29 2018 6:14pm
Forum: E-Bike General Discussion
Topic: Any interest in a "Hybrid" gasoline kit? Supercaps?
Replies: 24
Views: 799

Re: Any interest in a "Hybrid" gasoline kit? Supercaps?

In the 100 watt trailer scenario I'm making a lot of assumptions. 1) I assume 10 watthours per mile is really legging it for you whereas 25wh/mi is reasonable enough. The math I guessed on was 2000 watthours of deficit because 25wh/mi x 100 miles = 2500wh. Subtract about 500 watthours that you would...