## Clown Bike Climbs Mountains in CR - UPGRADE w/pics & video

Show off your E-bike creation here.

### Re: Clown Bike Climbs the Mountains in CR - UPGRADE!

I took the same route as the first video, for comparison. But this time, I only took video of the climb. I made sure to get the CA data at the top of the climb on video.
Here is some hard data from the ride:

3.08 miles to the CA checkpoint.
155.9 Wh/mi
132.5 Max Battery Amps
34.1 mph Average Speed, 49.9 mph Max Speed on climb.
62 mph Max Speed downhill (not in video).

GPS Altitude at the bottom: 952m
GPS Altitude at the top: 1327m
So, a climb of 375m.
GPS distance to the top: 5.4km
375m / 5400m = .06944 = 6.94% Average Grade.
My last video showed an average grade of 12%, due to an error on my part. I was looking at the average grade over the last 2 km, and mistakenly posted that as the average grade of the whole climb. Correct average grade for the entire climb is 6.94%.

155.9 W*hr/mi x 34.1 mi/hr = 5316.2 W Average Power.
That is what I believe to be a truly CONTINUOUS power draw, which I could definitely push higher (with a shunt mod) since the motor doesn't get hot. In my opinion, a claim of "continuous" means that the motor would be able to handle that power constantly until the battery runs dead... which I think this route is a fair test of.
132.5A max x 68V min = 9010 W Maximum Power.
The Vmin was certainly towards the top of the climb, and I think the actual Max Power draw was somewhere around 76V at the start (Clown is 82v hot), so let's call it a Max Power of around 10kW on the ride.
Keep in mind that these motors are rated for 1200w (etched on the side cover), and that the motor was BARELY warm at the top of this climb. Centrifugal ventillation rocks!
Next video gets a LiPo extender (anti-sag) pack for greater power and top speed.

On another note, Super V is almost complete. We finished the ventilation and the phase wire upgrades last week. Our best ventilation job yet, and 8GA phases all the way to the windings. We also created a mount for the 36fet steveo controller today. Tomorrow we'll install the killer swingarm covers I made, strap the LiPo's in, wire it up, and she's ready to fly once again.
Expect a SuperV vs. Clown video soon! With Dad's 260lb load on SuperV, and my 175lb load on Clown, it should be reasonably competitive.

Here are some pictures from the Clown upgrade process:
Attachments
Phases upgraded to 8G, 36fet controller wired up.
Clown v.2 Controller CA Mod.jpg (243.09 KiB) Viewed 419 times
12p Konion V Cells added on original pack to reach 20s24p.
Clown Version 2.0. Controller re-installed, CA calibrated. This picture was taken just after the 4/9/12 video.
ElectroSurf3r
10 W

Posts: 70
Joined: Tue Aug 30, 2011 5:33 pm
Location: Baton Rouge, LA

### Re: Clown Bike Climbs the Mountains in CR - UPGRADE!

way cool kid. whatta lotta controller! nice work.
dnmun
100 GW

Posts: 11327
Joined: Mon Jun 09, 2008 1:32 pm
Location: portland, or and loveland, co

### Re: Clown Bike Climbs the Mountains in CR - UPGRADE!

ElectroSurf3r
10 W

Posts: 70
Joined: Tue Aug 30, 2011 5:33 pm
Location: Baton Rouge, LA

### Re: Clown Bike Climbs Mountains in CR - UPGRADE w/pics & vid

For gods sake...they make duct tape in black color!

Seriously love it man. So jealous. I need one of these motors!

Ken
sflorlando
100 W

Posts: 191
Joined: Sat Aug 06, 2011 5:44 pm
Location: Orlando, FL

### Re: Clown Bike Climbs Mountains in CR - UPGRADE w/pics & vid

Thanks guys!
Oh and they only have classic grey duct tape in CR, Ken. Now that I'm stateside, I've seen the colored, patterned, and even college logo duct tape!

Here is another Clown video, after installing regen braking. 58.3 A of regen, 129.5 A max, 53mph top speed.
This is a new route, which includes a 25% Grade section, followed by a long 14% stretch. It's pretty curvy, and ends with a nice view across San Jose to the mountains.

ElectroSurf3r
10 W

Posts: 70
Joined: Tue Aug 30, 2011 5:33 pm
Location: Baton Rouge, LA

### Re: Clown Bike Climbs Mountains in CR - UPGRADE w/pics & vid

That is sick!

Love the sound of that motor.
sflorlando
100 W

Posts: 191
Joined: Sat Aug 06, 2011 5:44 pm
Location: Orlando, FL

### Re: Clown Bike Climbs Mountains in CR - UPGRADE w/pics & vid

Recorded on May 10.
ElectroSurf3r
10 W

Posts: 70
Joined: Tue Aug 30, 2011 5:33 pm
Location: Baton Rouge, LA

### Re: Clown Bike Climbs Mountains in CR - UPGRADE w/pics & vid

great video! your roads look a lot nicer then here in st. croix usvi. great fun

atcspaul
10 W

Posts: 73
Joined: Sun May 13, 2012 5:42 am
Location: St. Croix US Virgin Islands

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