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-   -   Finished building my 25mph Ebike (https://www.rc-monster.com/forum/showthread.php?t=29698)

snellemin 04.12.2012 12:22 AM

Got my batteries today, so tomorrow will be the test. Most that I can fit is 22s2p.
I also added a heatsink with fan on the controller for when it gets hotter. Gonna add a temp sensor to see how much the temp drops and than figure where to add intake and exhaust holes.
I added the horn and got a lights going of the new switch. Fan, lights and horn are run off 4s1p 18650 batteries.

http://i189.photobucket.com/albums/z...e/DSC05661.jpg
http://i189.photobucket.com/albums/z...e/DSC05658.jpg
http://i189.photobucket.com/albums/z...e/DSC05657.jpg

Metallover 04.12.2012 12:32 AM

I love the new features! I'm jelly :intello:

snellemin 04.19.2012 01:37 AM

20s2p setup in my bike. It's rocking 6 new 6s1p 30c sky lipo and two 2s1p gensace that are 2 years old and still kickin.

http://i189.photobucket.com/albums/z...e/DSC05743.jpg
http://i189.photobucket.com/albums/z...e/DSC05741.jpg
http://i189.photobucket.com/albums/z...e/DSC05740.jpg
http://i189.photobucket.com/albums/z...e/DSC05737.jpg
http://i189.photobucket.com/albums/z...e/DSC05736.jpg

snellemin 04.19.2012 10:40 PM

I managed to squeezed 24s2p inside the frame and I love it. A coworker was willing to try to build me a adjustable throttle delay to prevent me tripping the controller under acceleration. Gonna have to wait till he has some time to actually do it. I'm also looking for a small 12V laptop psu that I can hook up to my batteries to run my accessories.

I did a shakedown with the 24s2p pack.

http://i189.photobucket.com/albums/z...p/DSC05749.jpg
http://i189.photobucket.com/albums/z...p/DSC05748.jpg
http://i189.photobucket.com/albums/z...p/DSC05747.jpg
http://i189.photobucket.com/albums/z...p/DSC05745.jpg
http://i189.photobucket.com/albums/z...p/DSC05744.jpg

Arct1k 04.19.2012 10:43 PM

Look for a IDE drive psu.

http://www.amazon.com/GTMax-Drive-Po.../dp/B002HH4EC4

snellemin 04.19.2012 10:49 PM

Thanks man. Added to my wish list.

snellemin 04.20.2012 12:42 AM

Just found me a HP 12V adapter. Rated for 2.5A out. Plenty to run fans too.

jayjay283 04.20.2012 07:40 AM

Thats not even a bike anymore, you're just trying to side step traffic laws by having pedals on it. You built an electric motorcycle. I sure want it! Coolness

snellemin 04.20.2012 09:02 AM

hahhahaha. It's capable of high speeds, but I don't commute with those high speeds. I only use full power at intersections, other then that I'm chillin at around 25-27mph and cops haven't bothered me at all. I'm betting it would be different if I was zooming at max speed.

snellemin 04.21.2012 11:35 AM

This is my 6th cycle on my Sky lipo's and had a bit of a tailwind.

http://i189.photobucket.com/albums/z...p/IMG_0936.jpg

snellemin 04.29.2012 04:15 PM

I bought a used 6 speed Regina extra freewheel and goes from 12-17T. The chain doesn't rub on the frame anymore, as it did with the 11T 7speed freewheel.

http://i189.photobucket.com/albums/z...e/DSC05957.jpg
http://i189.photobucket.com/albums/z...e/DSC05955.jpg

I upped the battery Amp to 65 and the Phase Amps to 140. Bike takes off smooth in my 2nd 57% speed now. 100% still cuts out if I hammer the throttle. Drilled a big hole into the controller case and added a fan. Still need to drill out two holes for fresh air to come in and add two fans. Waiting on some fan grills to come in.

JERRY2KONE 04.30.2012 12:34 AM

Ventalation
 
I like the idea of some ventalation to keep things cooler, but this will surely create issues if riding in wet conditions, yes? Have enjoyed your progress with this setup from where you started to where you are now with it.

snellemin 04.30.2012 01:30 AM

I don't ride in the rain or wet conditions. I did get sprinkled on by bad weather a few times, but wasn't soaking wet.
Today I did a 21 mile ride with mix road conditions. I used my lowest speed setting of 35% and 1 short burst of 57% speed setting. That whole trip only took me 3Ah. So I could easily get 60 mile range out of my 10Ah pack. Average speed is 18-19mph and easily to pedal with my new 12T freewheel.
Got to love HV setups for efficiency.

snellemin 05.07.2012 02:12 PM

I finally got my wife on the bike. She didn't ride it though, but took a pic of it anyways.

http://i189.photobucket.com/albums/z.../DSC059811.jpg

snellemin 05.10.2012 10:47 PM

I finally got 1000 miles on the Magic Pie motor. Sucker is still going strong.

nitrostarter 05.11.2012 09:06 PM

Quote:

Originally Posted by snellemin (Post 420767)
I finally got 1000 miles on the Magic Pie motor. Sucker is still going strong.

Wow! Thats pretty awesome! How are the lipo's holding up?

snellemin 05.12.2012 12:19 AM

The motor is a beast. I only got the motor warm and never hot. Took it on a mountain bike trail once and I had a blast.

The Sky lipo's are doing ok so far. No puffing yet and hold up voltage well under load. The Blue lipo get warmer vs the Sky lipo's. I miss the flat discharge from the A123's still, but the lipo's give me more range. A dozen or so more cycles and I'll check each pack again and see if the cells are "ok" still. I wonder if I can get 200 cycles out of them before puffing.

snellemin 05.13.2012 04:44 PM

I tried the Keywin program and the bike is a bit more behaved. I still need more time to mess around with the phase and battery current combination. The program crashes when I tried to upload a higher voltage cutoff setting. But I have the CA that can take care of that more me.

http://i189.photobucket.com/albums/z...sensorless.jpg

millzee 05.14.2012 08:10 AM

congrats on your bike, that's a sweet idea.

snellemin 06.06.2012 05:47 PM

I got my throttle delay today. This is the second prototype if you can call it that. The delay can be tuned from 1-10 seconds. Rise time is slow and drop time is fast. This should help with my high power sensorless setup cutting out when running on the 100% speed setting.
All that is needed from the end user, is too install a 1k ohm resistor on the signal wire and tap into the positive and negative throttle wires. As you can see, the module is really compact.

http://i189.photobucket.com/albums/z...e/IMG_0951.jpg
http://i189.photobucket.com/albums/z...e/IMG_0950.jpg
http://i189.photobucket.com/albums/z...e/IMG_0949.jpg


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