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Forum: Electric Projects Yesterday, 08:21 AM
Replies: 14
Views: 115
Posted By Functional Artist
I have found that these little motors generate...

I have found that these little motors generate different RPM's, depending on the direction of rotation
…& most (I have tested) seem to operate "more efficiently" when running clockwise. :thumbsup: ...
Forum: Electric Projects Yesterday, 07:26 AM
Replies: 14
Views: 115
Posted By Functional Artist
Yes, please post some pics of your set-up ...

Yes, please post some pics of your set-up :thumbsup:
...even draw (us) up a wiring diagram of how you have 'er wired :cheers2:
(good future reference for you too) :2guns:

Q:
Do both of your...
Forum: Go Kart Discussion Yesterday, 07:00 AM
Replies: 33
Views: 681
Posted By Functional Artist
Hey guys, Sid asked me to do a voltage test on...

Hey guys,
Sid asked me to do a voltage test on the sensor wires of (1) of my Boma motors
...so, we would have a point of reference, to go off of while troubleshooting this motor/controller. ...
Forum: Go Kart Discussion 11-06-2019, 06:59 PM
Replies: 262
Views: 9,884
Posted By Functional Artist
1) my ElMoto (electric motorcycle) is powered by...

1) my ElMoto (electric motorcycle) is powered by a 2kWh lithium battery pack (from a Chevy Volt)

2) building homemade lithium packs scare me :ack2:
...too many variables (differing cell...
Forum: Build Off Contest Build Logs 11-05-2019, 07:35 AM
Replies: 13
Views: 270
Posted By Functional Artist
Nice craftsmanship :thumbsup: Looks like it's...

Nice craftsmanship :thumbsup:
Looks like it's gonna be kinda heavy :smiley_omg:
...but, really nice work though :2guns:
Forum: Go Kart Discussion 10-27-2019, 10:06 AM
Replies: 262
Views: 9,884
Posted By Functional Artist
Hypothesis 5S1P (5 in series & 1 in parallel)

Why am I goin thru this long-drawn-out analogy? :huh:

The Massive Voltage Drop (~5V) that this motor is causing to happen to the battery pack, (on the Atom kart) is very concerning. :mad:...
Forum: Go Kart Discussion 10-26-2019, 11:24 PM
Replies: 262
Views: 9,884
Posted By Functional Artist
Advanced Milkshake Battery Theory

OK, now we'll set (2) milkshakes, next to each other
...& connect them together "in parallel" :cheers2:
(if ya stack 'em, that would be "in series") :cool:

In this scenario we would be...
Forum: Go Kart Discussion 10-26-2019, 07:19 PM
Replies: 33
Views: 681
Posted By Functional Artist
The first thing that concerns me is ...that...

The first thing that concerns me is
...that last pic (in previous post) seems to show the thick red wire labeled as Negative (-)
…& the thick black wire labeled as Positive (+)

This doesn't seem...
Forum: Go Kart Discussion 10-26-2019, 05:30 PM
Replies: 262
Views: 9,884
Posted By Functional Artist
Um, if ya do that ...ya get an ice cream...

Um, if ya do that
...ya get an ice cream head-ache :smiley_omg:
...don't ya? :lolgoku:

Maybe I should explain further ...now that my brain has thawed :roflol:

So, from what I...
Forum: Go Kart Discussion 10-25-2019, 11:58 AM
Replies: 262
Views: 9,884
Posted By Functional Artist
What?...How is a milkshake like a battery? :huh:...

What?...How is a milkshake like a battery? :huh:
...well it's just an analogy to help describe, "voltage drop" :thumbsup:

OK, that explains it:lolgoku:
...NOT really...that doesn't make it any...
Forum: Go Kart Discussion 10-25-2019, 08:00 AM
Replies: 33
Views: 681
Posted By Functional Artist
Please ...disconnect everything …spread all...

Please
...disconnect everything
…spread all of the connectors out separately
...number them
…& then list, by number, what is labeled on each connector :cheers2:

Kinda like in the pic below ...
Forum: Electric Projects 10-25-2019, 07:37 AM
Replies: 15
Views: 180
Posted By Functional Artist
It'll be like driving a brick :ack2: …& with...

It'll be like driving a brick :ack2:
…& with ALL of that weight in the rear, your probably gonna have "big time" understeering issues :huh:
…plus, just the (2) controllers are gonna be ~$400.00...
Forum: Go Kart Discussion 10-24-2019, 03:28 PM
Replies: 262
Views: 9,884
Posted By Functional Artist
Yup, that's what I was thinkin' too :thumbsup: ...

Yup, that's what I was thinkin' too :thumbsup:
...kinda like a milkshake? ;)
Forum: Go Kart Discussion 10-24-2019, 01:52 PM
Replies: 262
Views: 9,884
Posted By Functional Artist
I thought peak was just a momentary "high point"...

I thought peak was just a momentary "high point" usually only lasting for a second or too
...but, this thing seems to draw ~70A pretty consistently :smiley_omg:

Also, why is the "voltage drop" so...
Forum: Go Kart Discussion 10-24-2019, 09:35 AM
Replies: 35
Views: 788
Posted By Functional Artist
Yes, detailed pics, measurements, dimensions ...

Yes, detailed pics, measurements, dimensions
...& even personal commentary on ...anything & everything you see, notice etc. :popcorn:
Forum: All Other Parts 10-24-2019, 09:12 AM
Replies: 13
Views: 257
Posted By Functional Artist
Oh, ye of little faith :rolleyes: It's...

Oh, ye of little faith :rolleyes:

It's just an experiment :thumbsup: to see
A.) if I could do it
B.) & if so, how long they would last
C.) data: if/when one of them fail (or both)...
Forum: All Other Parts 10-23-2019, 12:39 PM
Replies: 13
Views: 257
Posted By Functional Artist
Sorry for the delay, I had to get some more epoxy...

Sorry for the delay, I had to get some more epoxy :huh:

This centering spacer is made of a bit thicker material
…so, it fit's over both the hub & inside of the rim, pretty tightly :thumbsup:
...
Forum: Go Kart Discussion 10-23-2019, 12:12 PM
Replies: 11
Views: 190
Posted By Functional Artist
Nice find :thumbsup: Even if it's...

Nice find :thumbsup:

Even if it's designed/designated a "fun kart" it's still a Margay :2guns:
…& so, should be of good quality :cheers2:

Kinda like a Corvette, (street legal race car) is...
Forum: Electric Projects 10-23-2019, 11:54 AM
Replies: 15
Views: 180
Posted By Functional Artist
I can see lots of research in your future ...

I can see lots of research in your future :cheers2:

Check out the "Ball Park Equation" :thumbsup:

http://www.diygokarts.com/vb/showthread.php?t=38785

Yup, 57amps is quite a bit
...but,...
Forum: Go Kart Discussion 10-23-2019, 09:18 AM
Replies: 20
Views: 275
Posted By Functional Artist
I'm not sure if I would agree :huh: ...these...

I'm not sure if I would agree :huh:
...these 48V 1,000W MY-1020 (brushed) motors are little "BEASTS" :thumbsup:
...they have massive amounts of torque coming out of that little 10mm shaft :2guns:
Forum: All Other Parts 10-23-2019, 09:11 AM
Replies: 5
Views: 107
Posted By Functional Artist
Do you have to use that specific 5" tire? :huh: ...

Do you have to use that specific 5" tire? :huh:
...6" rims & tires are more plentiful & cheaper :thumbsup:

Here is a front (steering) 6" rim with a 5/8" bearing (~$16.00)...
Forum: Go Kart Discussion 10-23-2019, 08:42 AM
Replies: 20
Views: 275
Posted By Functional Artist
Your probably right about the short wheelbase...

Your probably right about the short wheelbase :thumbsup:

Now that I remember, the !Arriba kart pulls to one side
...depending on the throttle that's activated :rolleyes:

*you can almost steer...
Forum: Electric Projects 10-23-2019, 08:22 AM
Replies: 16
Views: 239
Posted By Functional Artist
1.) Keep the convertor for your gas engine ...

1.) Keep the convertor for your gas engine
...it won't help with an electric motor

With electric's, you only need a drive sprocket (on the motor)
...your driven sprocket (on the axle)
...& a...
Forum: More Builds 10-23-2019, 07:34 AM
Replies: 5
Views: 79
Posted By Functional Artist
Thanks :cheers2: Them thin/"tin" fire pits...

Thanks :cheers2:

Them thin/"tin" fire pits rust out so easily :huh:
...this one should last awhile :2guns:


It's for a 19.5" tire
...but, measures ~20" across
…& ~10" deep :thumbsup:
Forum: More Builds 10-22-2019, 09:58 PM
Replies: 5
Views: 79
Posted By Functional Artist
Truck Rim Fire Pit

I used a truck rim to make a heavy duty fire pit :thumbsup:
...just added some legs
…& covered some holes

Functional Art :2guns:

https://www.youtube.com/watch?v=gU_F_Uoa8FU
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