Your Creation's Before & After Pics

Kirin would approve of that design. :)

And I really like the style, and the knockoff-nut on the sidecar wheel. Where did the wheel come from?

You should make a build thread for it, and detail how you made it all. :)
 
That is a1960s batman level sidecar! Very cool!
 
Nice side car! I like the Impala hood ornament. Those may be quite valuable and prone to theft.

I could imagine putting a second hub motor on the side car and lots of batteries inside.
 
Before:

IMG_4265.JPG

After: BBS02 from Luna at 1.3 kw, 14S 17aH battery and EggRider display from California Ebike, Schwalbe Super Moto-X 26" x 2.4" tires, Lekkie 40T ring and 170mm Buzz Bars. It rides sooooooo nice.

IMG_4547.jpg
 
Bought a Cirkit frame kit and turned it into this 72v 60mph beast.
 

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Update: Extended the swing arm a little, managed to jury-rigged a QS205 V3 in place on the of 1kw 16’’ cast wheel. Proper quick little deathtrap now lol
Bike.jpg
 
Audisport09 said:
Update: Extended the swing arm a little, managed to jury-rigged a QS205 V3 in place on the of 1kw 16’’ cast wheel. Proper quick little deathtrap now lol

I don't see any brakes. Guess that's why you call it a deathtrap.
 
fechter said:
Audisport09 said:
Update: Extended the swing arm a little, managed to jury-rigged a QS205 V3 in place on the of 1kw 16’’ cast wheel. Proper quick little deathtrap now lol

I don't see any brakes. Guess that's why you call it a deathtrap.

Yeah no brakes lol, just regen and my feet. I only like to punish it up hills anyways.
 
Audisport09 said:
Yeah no brakes lol, just regen and my feet. I only like to punish it up hills anyways.

:lol:
Then going downhill with the controller shutting off (or dying) and no regen will be VERY interesting... :shock:
 
Oh that's a sweet little build. Hows that Hailong/shark battery pack doing mounted how you have it to the curved tube? Is it a little shaky or doing ok?
I ask because:
Swivel mount.JPG

Wolfeman said:
Before:
After: BBS02 from Luna at 1.3 kw, 14S 17aH battery and EggRider display from California Ebike, Schwalbe Super Moto-X 26" x 2.4" tires, Lekkie 40T ring and 170mm Buzz Bars. It rides sooooooo nice.
 
SlowCo said:
Audisport09 said:
Yeah no brakes lol, just regen and my feet. I only like to punish it up hills anyways.

:lol:
Then going downhill with the controller shutting off (or dying) and no regen will be VERY interesting... :shock:
Lol ha please don’t scare me like that, I don't want to end up like this kid: [youtube]https://www.youtube.com/watch?v=9manM-f-AdY[/youtube]
I descend slowly with variable regen engaged. If controller dies I would instantly know it before speed builds up. I had V brakes but didn’t like/use them so removed. Need to work out how to fit disc brakes. But I don’t think I need them, I’m sat low down, it’s a tiny bike I can overpower it.
 
Audisport09 said:
Lol ha please don’t scare me like that, I don't want to end up like this kid: https://www.youtube.com/watch?v=9manM-f-AdY
I descend slowly with variable regen engaged. If controller dies I would instantly know it before speed builds up. I had V brakes but didn’t like/use them so removed. Need to work out how to fit disc brakes. But I don’t think I need them, I’m sat low down, it’s a tiny bike I can overpower it.

I hope your controller has a safety built in that when the throttle (hall sensor) fails it shuts down instead of handling it as a wide open throttle signal (like a lot of controllers do :shock: ).
I would advise to remount the rim brake and a brake lever with cut off switch to the controller for your safety. These are simple measures that can save you a lot of pain...
 
dequinox said:
Oh that's a sweet little build. Hows that Hailong/shark battery pack doing mounted how you have it to the curved tube? Is it a little shaky or doing ok?
I ask because:
Swivel mount.JPG

Wolfeman said:
Before:
After: BBS02 from Luna at 1.3 kw, 14S 17aH battery and EggRider display from California Ebike, Schwalbe Super Moto-X 26" x 2.4" tires, Lekkie 40T ring and 170mm Buzz Bars. It rides sooooooo nice.

It's rock solid. I learned how to properly install riv-nuts and put 3 into the downtube.
 
Wolfeman said:
It's rock solid. I learned how to properly install riv-nuts and put 3 into the downtube.
Oh excellent, I bet having three helps a lot!
 
Wow things have come a long way since the thread has started. This is a simple dedicated trail bike. Havent quite figured out what to do about the battery as it sits under the sadel secured with some heavy duty zipties. I would like to lower it and get a better COG but that will wait. The idea is to be as discreet as possible. So form to follow function. Most of the wires are all tucked, battery concealed line hangers doubled up. Before and after pics. Pack is an 8ah 52v 21700 T40 Samsung cells. Good for 15-20miles of hard trail riding about 1.5-2hrs is way more than I ever ride. So this setup has 160mm of travel front and rear. The perfect DIY emtb.
 

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I've seen a lot of great bikes here, great ideas and bikes.
How do you like my 🙂
Comments for improvements are of course welcome 👍🏽😉

My Vsf-Txxl
Screenshot_20210613_234715_com.cxinventor.file.explorer.jpg
Before, a normal Trekkingbike in xxl Size 70cm with Luffed steel frame.

After a Ebike with :

Mac Motor 10t cst v2

ASIBac 800 Controller

Eggrider Display

Battery 2x 13S with 19Ah (ca.1800Wh) in the BackBag.

Lights:
Front Supernova M99 Pro
Back Supernova TL2 with Brakelight.

Brakes:
Magura Hs22 Evo with brakeswitch Original

Rims:
Ryde Andra 40 Front and Back
2.15 inch rear tires 2.0 inch front
Schwalbe Marathon Plus

Wider front and rear fenders

2.15 inch rear tires 2.0 inch front
Schwalbe Marathon Plus
Wider front and rear fenders

Tubus Frontrack

Screenshot_20210613_234631_com.cxinventor.file.explorer.jpg
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Tandem Titanate 2WD.

My first build, took forever, many hiccups. Used Shengquan 10ah LTO cells, 29s 2p, approx 70v. Should last last my lifetime if cycle life is anywhere near what they claim.

It was always going to be a non- practical build, doesn't look anything like road legal, especially in nanny state Australia. I used a tandem frame to allow room for the big batteries, also to have more rider weight on front wheel so 2wd has good front wheel traction. Used Grin hubmotors and controllers. Power is 70v x 40amps to each wheel, so around 5600 watts all up, don't think a 250w sticker will fool anyone.

Exhilarating to ride, acceleration is incredible, I was worried I would be disappointed but in the end it was better than I imagined. Big LTO's hardly break a sweat, so far they haven't gone above about 22 degrees C, although it is winter here. It rides well on good tarmac, but really needs some suspension for rougher roads. Not sure of top speed but gets over 70km/h comfortably, not keen on going any faster than that, it's the acceleration that is addictive. Hub motors are running cool, they are vented and painted black inside, haven't gone over about 29 degrees C, although if I run only one motor the motor gets over 40 degrees C easily. Will be interesting in summer what temps I get.

I chose LTO chemistry because I just was not confident using Lithium ion for my first build, worried I would burn down my house with my inexperience. I know I could make a pack half the size, but really wanted something safe & love the idea of a battery that will possibly last decades. I was tempted to go with Headway Lifepo4's, but really when I did the sums for my power and watt/hour goals, there was not a big difference in size and weight, and the LTO's would stay strong for so much longer.

Overall learnt heaps, got so much help from forum members, Sunder helped heaps in the early stages, thanks Mate, and a number of guys helped save my sanity when I could not get the 2wd to work properly, as seen in this thread,
https://endless-sphere.com/forums/viewtopic.php?f=49&t=112473&p=1663929#p16
 

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Rad bike, don't think wheel base is long enough though :wink: good luck trying to pull wheelies on that :lol: jokeing aside, bet is very quick of the line, just imagine how much beer you could carry if it had side storage and with that much torque trailer full to , :mrgreen:
 
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