Search found 64 matches

by Tony01
Oct 10 2019 6:59pm
Forum: E-Bike Build Threads / Photos & Video
Topic: Pricing - 45mph cruise, 60mph top, 50 mile range (cruise speed)
Replies: 19
Views: 599

Re: Pricing - 45mph cruise, 60mph top, 50 mile range (cruise speed)

Sadly the range limit is in charging. At random 110v plugs on the streets the most you can pull is about 1000w before blowing a circuit. So for a 50mi range at 45mph cruise you are looking at about 5hrs of 10 miles range of charge per hour. That really sucks. What about level 2 EV charging stations?...
by Tony01
Sep 06 2019 10:37pm
Forum: Battery Technology
Topic: High Voltage high current DC power supply
Replies: 13
Views: 819

Re: High Voltage high current DC power supply

I haven’t found a 120ac plug that can handle charging at more than 1500W dc. Most times I just do 1000w. I’m using 3x 500w 24v 120ac psus which I once saw go up to 2200w but now I see it is overkill. Used only at home now as it’s too heavy to carry.
by Tony01
Sep 01 2019 6:16am
Forum: Motor Technology
Topic: Leaf / leafmotor / leafbike high efficiency 1500w motor
Replies: 1501
Views: 191513

Re: Leaf / leafmotor / leafbike high efficiency 1500w motor

I'm looking for a cheap 4-7kw peak front hub to complement the rear hub. Are the cheap 1000w and 1500w aliexpress DD motors the same as the leaf motors? This seller doesn't know how to give me accurate info about the product. Can only tell 30h and 35h but weights apparently are all at 6kg, and confu...
by Tony01
Jul 11 2019 12:51am
Forum: E-Bike General Discussion
Topic: 26" Wheels on High Power Ebike (8,000w-10,000w)?
Replies: 29
Views: 1405

Re: 26" Wheels on High Power Ebike (8,000w-10,000w)?

Do 19 rear and 26 front. Run a small 2.00-2.75 tire on the back. Get all the benefits of motorcycle wheels in almost the same form factor. You’re gonna want it for when you move on up to 15kw in the back
by Tony01
Mar 21 2019 8:44pm
Forum: E-Bike Build Threads / Photos & Video
Topic: QS MOTOR DISK ROTOR HOLE
Replies: 10
Views: 723

Re: QS MOTOR DISK ROTOR HOLE

Use a bolt extractor.

You can also take a nut that will fit over the bolt, weld it in the middle and use a wrench to get it off. The heat from the weld may be enough to break it loose as the aluminum housing will expand more than the steel bolt.

Damn brought a thread from the dead 😐
by Tony01
Feb 13 2019 2:51am
Forum: E-Bike Build Threads / Photos & Video
Topic: Custom 5kW Vector (QS 205v3/Kelly/DNM)
Replies: 56
Views: 4964

Re: Custom 5kW Vector (QS 205v3/Kelly/DNM)

Looking good. I have the same cells but been lagging on my build. I opted to make bus bars from 6101 aluminum full round bar, .25" and .125" thick, gonna have them bolted together. I gotta make a build thread. gonna be 20s3p. Out of 60 cells I got 4 or 5 that were no good. I tried to blow one up by ...
by Tony01
Feb 07 2019 7:01pm
Forum: Forum Rules and Features
Topic: The future of our forum - facebook versus web forums
Replies: 65
Views: 7310

Re: The future of our forum - facebook versus web forums

This forum software works great for me. If I want to find pictures I'll use google. Just about the only thing I'd like to see is a way to see all the pictures posted in a topic in one place. I just quit fakebook. I call it fakebook because it isn't a book at all. It is about the farthest thing from ...
by Tony01
Oct 25 2018 2:22pm
Forum: E-Bike General Discussion
Topic: Tire slipping on rim causing valve stem to tear and or flat
Replies: 32
Views: 1802

Re: Tire slipping on rim causing valve stem to tear and or flat

Electric torque is hard as compared to gassers. High power ebikes have the torque of MX motorcycles. You will soon experience the efficiency of power transfer that is possible to achieve building EV. Of course we need to care properly mounting quality rims and tires, but nevertheless bicycle tires ...
by Tony01
Oct 22 2018 4:50pm
Forum: E-Bike General Discussion
Topic: Tire slipping on rim causing valve stem to tear and or flat
Replies: 32
Views: 1802

Re: Tire slipping on rim causing valve stem to tear and or flat

you guys must be doing something wrong. in over 20,000 miles of riding hard and fast on bicycle tires this has never happened. I have also never blown a tire off the rim. A good portion were on chrome rims as well.. which have about half the friction coefficient of aluminum. Combinations that have w...
by Tony01
Oct 22 2018 1:20pm
Forum: E-Bike General Discussion
Topic: Fabricating a curved side battery box?
Replies: 10
Views: 787

Re: Fabricating a curved side battery box?

Thanks for all the effort you guys put into this post. I’ve researched the snot out of each method and decided I’m gonna be going with fiberglass. It seems like the smart choice. For the same price I could have got welding gas and some sheet metal, but I think I’ll get a better looking product like ...
by Tony01
Oct 18 2018 11:02am
Forum: E-Bike General Discussion
Topic: Fabricating a curved side battery box?
Replies: 10
Views: 787

Re: Fabricating a curved side battery box?

Thanks for the replies. However curving angle extrusion and bonding it to steel is not gonna fly. Been there done that bracing the rear end of a Schwinn with 1” c-channel. Strong but time consuming. At the moment I’m doing a cost analysis. I was thinking at first to weld a continuous tab to each sid...
by Tony01
Oct 16 2018 12:25pm
Forum: E-Bike General Discussion
Topic: Fabricating a curved side battery box?
Replies: 10
Views: 787

Re: Fabricating a curved side battery box?

Ahhhh crap... fiberglass sounds like the way to go. I’ve just been trying to avoid it because it is another area of fabrication I know nothing about... I already feel as if I’m way in over my head on this build and haven’t even finished the swingarm yet!!! Making it non removable sounds easier than ...
by Tony01
Oct 15 2018 2:31pm
Forum: E-Bike General Discussion
Topic: Fabricating a curved side battery box?
Replies: 10
Views: 787

Fabricating a curved side battery box?

The time has come in my build to have to figure it out, and soon. I’m building a full suspension Schwinn cruiser and need a box that can stick to the curved contours of the frame. My battery will be about 17kg, plus controller and onboard charger probably another 3kg, bus bars etc so let’s say it ne...
by Tony01
Sep 24 2018 12:48am
Forum: Items for Sale - New
Topic: Clamping torque arms 10mm flats SOLD CAN MAKE MORE
Replies: 1
Views: 417

TAs

ALL SOLD! regular price was $45+shipping If you need more I can price it out. Seems these sold pretty fast so, if I can get 3 people that want them, I can have them delivered in about a month. Contact me or post here. Will be finding a different machinist. The work this guy did would never fly in an...
by Tony01
Sep 22 2018 12:50am
Forum: Items for Sale - New
Topic: Clamping torque arms 10mm flats SOLD CAN MAKE MORE
Replies: 1
Views: 417

Clamping torque arms 10mm flats SOLD CAN MAKE MORE

ALL SOLD!! See reply post below! CNC milled clamping torque arms for hub motors with 10mm axle flats (with qs205 step relief) Price shipped to lower 48 USA. Can ship elsewhere for a price. Located in San Jose, CA. Material: mild steel (weldable) Slot: .402”. After painting will be very close to 10m...
by Tony01
Sep 22 2018 12:41am
Forum: Items Wanted
Topic: Torque Arms?
Replies: 3
Views: 446

Re: Torque Arms?

Ahhh sold
by Tony01
Sep 22 2018 12:38am
Forum: Items Wanted
Topic: Torque Arms?
Replies: 3
Views: 446

Re: Torque Arms?

Ahh double post
by Tony01
Aug 26 2018 11:56pm
Forum: E-Bike Technical
Topic: High power ebike frame
Replies: 26
Views: 1508

Re: High power ebike frame

Qs273 is a BIG motor. It’s going to handle like shit pretty much anywhere except for drag racing. Too much rotational mass too far away from the best place (the middle). For off-road you will want to go with a mid drive. Your best bet for a swingarm is still a dirtbike 200mm swingarm. That takes car...
by Tony01
Aug 23 2018 2:51am
Forum: E-Bike Technical
Topic: High power ebike frame
Replies: 26
Views: 1508

Re: High power ebike frame

Qs273 is a motorcycle motor. you can easily modify a motorcycle frame. 200mm is a standard swingarm size. You’ll just have to figure out the torque arms.
by Tony01
May 29 2018 6:55pm
Forum: E-Bike General Discussion
Topic: Cheapest e-components for 55mph?
Replies: 105
Views: 7560

Re: Cheapest e-components for 55mph?

Thanks for all the effort everybody put into this thread. It didn’t go to waste. I’ve ordered a qs205 with the 19” moto rim, CAv3, and an ASI 4000w controller from Alan at ERT. Got a smokin deal. Still need to buy the battery and charger. Probably gonna go with multistars and meanwells. I looked up ...
by Tony01
Mar 31 2018 5:50pm
Forum: E-Bike General Discussion
Topic: Aluminum vs Steel vs Carbon E-bike Frames
Replies: 50
Views: 5860

Re: Aluminum vs Steel vs Carbon E-bike Frames

Interesting read http://www.sheldonbrown.com/chicago-schwinns.html The limit for a stock schwinn is approx 8hp, with 4 gussets in the rear and a sleeved seat tube is around 11hp, and with major gusseting and bracing around 15hp. Unfortunately. However, I think that by cutting the rear end off and b...
by Tony01
Mar 22 2018 5:22pm
Forum: E-vents
Topic: Calling all Bay Area ebike riders
Replies: 44
Views: 9809

Re: Calling all Bay Area ebike riders

Getting the parts together for an ebike...
by Tony01
Mar 21 2018 1:05am
Forum: E-Bike Technical
Topic: 120/80-14 on a 14x1.85?
Replies: 0
Views: 381

120/80-14 on a 14x1.85?

Will it fit? There is a 90/100 on it now, it’s a cheap pitbike wheel I got cheap. I want to put the widest and tallest road tire possible.
by Tony01
Dec 14 2017 4:54pm
Forum: E-Bike General Discussion
Topic: Aluminum vs Steel vs Carbon E-bike Frames
Replies: 50
Views: 5860

Re: Aluminum vs Steel vs Carbon E-bike Frames

I like building with steel because it is easy to work with and very, very cheap. $200 welder, $60 for grinder and supplies, $10 map gas and.... $30 worth of local steel for my project. However it is very heavy. I'm looking into cf myself. I'd be looking into aluminum too however, there is nothing ne...
by Tony01
Dec 01 2017 1:34am
Forum: E-Bike General Discussion
Topic: Looking for fake engine and engine sound for E-chopper
Replies: 15
Views: 1361

Re: Looking for fake engine and engine sound for E-chopper

reminds me of those guys drag racing while driving slow :roll:

I'd do it tho :lol: