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Forum: Electric Projects Today, 09:40 AM
Replies: 1
Views: 8
Posted By Functional Artist
Battery Types (Chemestries)

Batteries are/have been constructed in many different configurations
…& with many different materials

The main (3) types (chemistries) that we usually use, to power our karts, are Lead SLA...
Forum: Electric Projects Today, 08:31 AM
Replies: 1
Views: 8
Posted By Functional Artist
Battery 101

There's been a lot of discussion & confusion about batteries used to power small personal vehicles (kart's minibikes etc.)

So, I assembled some info :thumbsup:

Battery [ˈbadərē]
1.a container...
Forum: Go Kart Discussion Today, 06:39 AM
Replies: 1
Views: 17
Posted By Functional Artist
Maybe something like this? :thumbsup: ...

Maybe something like this? :thumbsup:

https://www.bmikarts.com/Double-Seat-for-Go-Karts_p_21242.html
Forum: Electric Projects Yesterday, 03:49 PM
Replies: 5
Views: 46
Posted By Functional Artist
Yup, just the basics are necessary :thumbsup: ...

Yup, just the basics are necessary :thumbsup:
...power in (batt)
...power out (motor)
...hall (motor signal)
...throttle (throttle signal)
…& an on/off switch (to activate the system) :cheers2:...
Forum: Electric Projects 02-23-2020, 07:27 PM
Replies: 4
Views: 47
Posted By Functional Artist
Howdy, :welcome2: Nice lookin' bike ...

Howdy, :welcome2:

Nice lookin' bike

But, it's not lookin' too good for the batteries :ack2:
...what kinda batteries do you have? (SLA or Lithium)

The throttle looks pretty well shot too...
Forum: Electric Projects 02-22-2020, 12:09 PM
Replies: 7
Views: 164
Posted By Functional Artist
You want those type batteries (wired in series...

You want those type batteries (wired in series you will only have a 72V 5AH bat pack) to (hopefully) power a motor that draws ~72V 80A (peak)
...or even maybe ~1/2 of that (~40A) just crusin'

We...
Forum: Electric Projects 02-18-2020, 12:07 AM
Replies: 10
Views: 218
Posted By Functional Artist
I've been thinking on this a bit more :thumbsup:...

I've been thinking on this a bit more :thumbsup:

Keep in mind, over dis-charging lithium cells is what "kills" them
...& over-charging them is what causes the swelling (& in worst case...
Forum: Electric Projects 02-17-2020, 11:49 AM
Replies: 10
Views: 218
Posted By Functional Artist
These modules seem to be ~12" x 9" x 1 1/2" thick...

These modules seem to be ~12" x 9" x 1 1/2" thick
…& weigh a little over 8 lbs. each

So, a stack of (7) modules would be ~ 12" x 9" x 10 1/2"
…& weigh ~57 lbs. :thumbsup:

Here are a some (a...
Forum: Go Kart Discussion 02-15-2020, 09:37 AM
Replies: 99
Views: 2,240
Posted By Functional Artist
Post #76 I asked "Workin' on controlin' the...

Post #76 I asked
"Workin' on controlin' the "tail"

1.) How far should it swing?
...is there a "too far"?

2.) Is there a proper or necessary distance from the pivot point to the where the...
Forum: Go Kart Discussion 02-15-2020, 08:44 AM
Replies: 99
Views: 2,240
Posted By Functional Artist
I squared up & welded the 8" steering cross-bar...

I squared up & welded the 8" steering cross-bar to the splined shaft :thumbsup:
…& added a piece of pipe between the "dash bars" to strengthen this junction

Trimmed the cable housing retainer up...
Forum: Go Kart Discussion 02-14-2020, 10:58 AM
Replies: 99
Views: 2,240
Posted By Functional Artist
Trying an 8" cross-bar on the steering shaft

The connection points on the steering cross-bars are ~1/2" from the ends.

So, it's ~2 1/2" from the center pivot point to each of the connection points on the (6") "test steering shaft"
…& the...
Forum: Electric Projects 02-12-2020, 11:58 PM
Replies: 10
Views: 218
Posted By Functional Artist
Nice ride :thumbsup: I've been doin' some...

Nice ride :thumbsup:

I've been doin' some researchin' on that question :2guns:

These type lithium cells cannot be over-charged past 4.15V per cell
…but, only charging to ~4.0V per cell would...
Forum: Electric Projects 02-12-2020, 11:03 PM
Replies: 4
Views: 94
Posted By Functional Artist
I put a 48V 1,800W Boma motor on my Dingo a few...

I put a 48V 1,800W Boma motor on my Dingo a few years back :thumbsup:

It was fun to ride & zipped right along
...but, it couldn't spin them big 'ol wheels:ack2:

FYI mine had a sprocket for...
Forum: Go Kart Discussion 02-09-2020, 08:47 PM
Replies: 99
Views: 2,240
Posted By Functional Artist
Sorry Alex, I'm really NOT tryin' to get ya...

Sorry Alex, I'm really NOT tryin' to get ya "shook"
…& I also, really appreciate ALL of your input & concern :thumbsup:

I guess I have "issues" with gettin' something outta my head
...until...
Forum: Go Kart Discussion 02-09-2020, 01:21 PM
Replies: 99
Views: 2,240
Posted By Functional Artist
6" Cross Bar Steering Assembly Test

I just clamped a pair of ViceGrips onto the stub stickin' out of the "test steering shaft"
…& gave 'er a twist, with just (1) hand (it wasn't that difficult to turn) :wai:

Here is a quick video...
Forum: Go Kart Discussion 02-09-2020, 01:03 PM
Replies: 99
Views: 2,240
Posted By Functional Artist
I tried criss-crossing the cables several...

I tried criss-crossing the cables several different ways :thumbsup:

Crossin' them, up in front of the lower dash area seemed to work out better than under the seat

Slid the inner cable wire...
Forum: Go Kart Discussion 02-09-2020, 08:57 AM
Replies: 99
Views: 2,240
Posted By Functional Artist
Steering Linkage (up front)

I cleaned the steering wheel up (Dawn soap, an old tooth brush & some elbow grease)
…& cleaned up & shortened the shaft too :thumbsup:

But, I'm assemblelin' a "test" shaft first
...just to...
Forum: Go Kart Discussion 02-08-2020, 11:22 PM
Replies: 99
Views: 2,240
Posted By Functional Artist
Sid, I appreciate your comments (always gets me...

Sid, I appreciate your comments (always gets me thinkin') :cool:
...so, yes please keep 'em coming :thumbsup:

I was jokin' around
...the steering will NOT operate "backwards"
...the cables...
Forum: Go Kart Discussion 02-08-2020, 10:27 PM
Replies: 99
Views: 2,240
Posted By Functional Artist
DIY Machine Shop conclusion

Step 5 Shaping

Used a 5/16" bolt, threaded into the end, as a handle
…& a bench grinder to kinda round the edges of the "top" of each piece

* I noticed that the tap, put a "dome", on the end...
Forum: Go Kart Discussion 02-08-2020, 09:54 PM
Replies: 99
Views: 2,240
Posted By Functional Artist
DIY Machine Shop cont.

Step 3. Enlarging the Holes

Drilled the end holes out to 17/64" (the proper size hole to tap 5/16" threads) :thumbsup:
...chamfered the inside edge of the holes (helps gettin' the tap started)...
Forum: Go Kart Discussion 02-08-2020, 09:25 PM
Replies: 99
Views: 2,240
Posted By Functional Artist
DIY Machine Shop

Need to make some custom, swiveling inner cable connectors
...for connecting 'em to the steering linkage bar :thumbsup:

Step 1. Side Holes
Scored (installed lines not picked up :lolgoku:) a...
Forum: Go Kart Discussion 02-08-2020, 08:56 AM
Replies: 99
Views: 2,240
Posted By Functional Artist
I have been using a standard 8 ton HF pipe bender...

I have been using a standard 8 ton HF pipe bender for years :thumbsup:

It looks like your tryin' to use a pipe bender to bend steel tube :huh:
(their 2 very different animals)

For DIY...
Forum: Electric Projects 02-08-2020, 08:35 AM
Replies: 10
Views: 218
Posted By Functional Artist
Yup, :iagree: Also, I read that there were...

Yup, :iagree:

Also, I read that there were some BMS or software issues :huh:
...that kinda killed, from what I understand to be, otherwise perfectly good modules

But, if buying these cells...
Forum: Off Topic Forum 02-08-2020, 08:24 AM
Replies: 14
Views: 144
Posted By Functional Artist
IMO :rolleyes: ...build yourself an electric...

IMO :rolleyes:
...build yourself an electric kart :thumbsup:

No more "wishin' I had some fuel" :furious2:

Just un-plug 'er :cool:
...& go play :2guns:
Forum: Go Kart Discussion 02-07-2020, 08:30 AM
Replies: 99
Views: 2,240
Posted By Functional Artist
I pulled the steering shaft out of a MTD Yard...

I pulled the steering shaft out of a MTD Yard Machine Riding Mower
...it has a kinda unique steering wheel too :thumbsup:

It's a standard 5/8" steel rod with splines
…that's tapped for a 5/16"...
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