Project Blue Smoke - Aprilia RS conversion

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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Wed Sep 09, 2015 2:39 pm

It's the stardard version
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Re: Project Blue Smoke - Aprilia RS conversion

Postby riba2233 » Wed Sep 09, 2015 2:48 pm

that's really nice! Can you please take a picture without that effect, both controller and motor look very small lol
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Sat Sep 12, 2015 1:28 am

Here's new pic with less bokeh.

Image
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Re: Project Blue Smoke - Aprilia RS conversion

Postby riba2233 » Sat Sep 12, 2015 7:47 am

Thanks, motor looks very nice, this should be a blast to drive :)
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Re: Project Blue Smoke - Aprilia RS conversion

Postby newbiebiker » Tue Sep 15, 2015 2:36 pm

you decided for mid drive (driven by belt or chain)
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Wed Sep 16, 2015 1:22 am

I'll go with 520 chain, so I can keep the original rear sprocket (might change the teeth count). The shaft of the revolt motor is machined so that I can use JTF337 sprocets. This gives me option from 12 to 15 theeth front sprocket.
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Mon Jan 11, 2016 2:44 am



I recorded this footage before we got snow in Finland. I had just received the motor and wanted to see how it would fit on the RS frame. Next step is to build the mount for it, then I can have my first test runs! It'll have to wait until spring/summer, since I don't have any warm place to work on the bike.

I've been also working on an eBike as a side project (1kW front hub motor). There are some things that I can utilize also on the Aprilia. Plans are getting clearer regarding the charger, dash and BMS. One thing to decide is that should I buy a smaller, cheaper battery first to test the Aprilia and then later use on the eBike, or buy the big heavy battery pack right away.
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Sun Jun 05, 2016 4:58 am



I got the motor mounted. Then I mounted the controller with zip ties and connected a small LiPo pack. Controller configured with lowest current settings for this first test. Next I'll have to start working on the mounts for the controller and battery, also finish the motor mount.
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Re: Project Blue Smoke - Aprilia RS conversion

Postby E-Chopper » Mon Jun 06, 2016 7:04 am

Nice Ride !!


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Re: Project Blue Smoke - Aprilia RS conversion

Postby riba2233 » Mon Jun 06, 2016 7:47 am

So, how does the motor behave? Does it heat up? Is that short or normal version?
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Mon Jun 06, 2016 9:08 am

That's the normal version. I tuned in a bit more power, did few "fast" laps and one lap with rear brake applied. Couldn't feel any heat on the motor. Let's see how it handles more power later, feels good so far.
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Re: Project Blue Smoke - Aprilia RS conversion

Postby Ypedal » Mon Jun 06, 2016 9:17 am

well done !!!.. 8)
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Tue Jun 21, 2016 5:53 am

I've been thinking about the BMS. I want a system that enables me to read voltage of each sell to an Arduino and I can then play around with the data. Then I need some sort of balancing (thinking about bottom balancing) and overcharge control. My battery back is 24s Lipo, but I might replace it with larger LiFePo4 pack in the future.

Any suggestions what BMS to use?
Last edited by -UP- on Tue Jun 21, 2016 5:54 am, edited 1 time in total. View post history.
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Re: Project Blue Smoke - Aprilia RS conversion

Postby macribs » Sun Aug 28, 2016 2:55 pm

Any more work done over the summer?
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Re: Project Blue Smoke - Aprilia RS conversion

Postby Just2807 » Tue Aug 30, 2016 6:23 am

Yeah i am waiting for an update too, been folowing your project on yt too. :)
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Tue Aug 30, 2016 9:33 am

I wish I'd have more to show you.. Mainly I've been building the battery box that still isn't finished. More about that later..

I purchased a "new" frame, since they would have required full EMC measurements of that 2003 frame. So I'll transfer everything to 2001 frame. I'll keep the original speedometer, so that I don't have to prove the accuracy of my hall-sensor based speedometer. I'll add some kind of display for amps and other parameters. Now I'm thinking to have a separate battery for the lights, contactor, horn, controller and electronics, so no DC-DC. It would be awesome to get the bike to dyno still this year, but we'll see..
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Re: Project Blue Smoke - Aprilia RS conversion

Postby Manny » Fri Sep 09, 2016 9:15 am

hey nice project

i will start my aprillia rs50 conversion soon.
i was wondering where you live, because of the EMC required. in The Netherlands the data limit is on 1-1-2006 if i am correct.
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Tue Sep 13, 2016 2:52 am

Thanks. I leave in Finland. Here the limit is June 2003 and my first frame was first registered in July 2003... Will be an "interesting" challenge to register the bike. Hopefully I can do it next year.
I tried to edit a short video, but Kdenlive that I use for editing keeps crashing..
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Wed Sep 14, 2016 3:58 am

I was working on the brakes yesterday in a hope that if I'm able to do more test runs still in September or October (before snow), I would have working brakes. The seller of the frame told me that he wasn't able to bleed the front brake. I replaced the fluids and didn't have problems bleeding it. Then I started working on the rear brake and got problems. First I accidentally left the reservoir empty, then the master cylinder started to leak. Now I'm thinking if I should order the rear brake master cylinder rebuild kit, or just open and clean it and try to bleed again..

The battery box is pretty much riveted together. Next I need to solder the connectors to the batteries and make the battery-contactor-controller wires. Then temporary mount for the controller, 24V battery and wiring. Then it would be ready for a short track test or dyno run to get the papers for registration. If either of these happen, I'll post a video ;)
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Mon Oct 10, 2016 11:48 am

I have issues with my computer and can't edit a video, so I posted a blog about the first track test:
http://projectbluesmoke.tumblr.com/post ... motorcycle
Last edited by -UP- on Mon Oct 10, 2016 11:53 am, edited 1 time in total. View post history.
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Wed Oct 19, 2016 1:40 pm

I was able to fix my computer and edit the video of the first track test session. Please enjoy:

Last edited by -UP- on Fri Oct 21, 2016 11:29 am, edited 1 time in total. View post history.
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Re: Project Blue Smoke - Aprilia RS conversion

Postby marcexec » Mon Oct 24, 2016 7:03 am

Lovely video - great editing!
What was the top speed on the track?

Edit: could you measure the winding resistance on the motor and add it to https://endless-sphere.com/w/index.php/ ... _Selection? PM me if you want to "adopt it" :)
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Tue Oct 25, 2016 12:22 am

My top speed was 87km/h (54mph) according to GPS. Had to be gentle on the throttle as the battery voltage was sagging. Given a longer straight it would have gone faster. I'll measure the winding resistant at some point.
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Re: Project Blue Smoke - Aprilia RS conversion

Postby -UP- » Sun Mar 19, 2017 4:33 am

I decided to build my own BMS using TI's bq76pl536a chip.

pcb1_small.jpg
pcb1_small.jpg (102.47 KiB) Viewed 105 times


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