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Search: Posts Made By: Bmr4Karts
Forum: Electric Projects Today, 02:38 PM
Replies: 29
Views: 349
Posted By Bmr4Karts
I think its easier to build a gasser but easier...

I think its easier to build a gasser but easier to keep an EV running.

Gasser, just buy a predator 212 with built in gas tank. Add oil and gas. Hook up gas pedal cable and run it.

Easiest EV is...
Forum: Electric Projects 03-29-2020, 12:03 PM
Replies: 21
Views: 347
Posted By Bmr4Karts
How were you adjusting chain tension? Only way...

How were you adjusting chain tension? Only way this can happen is if you did not have all four motor bolts tightened down.
Forum: Electric Projects 03-28-2020, 09:25 PM
Replies: 29
Views: 349
Posted By Bmr4Karts
You meant it won't be as loud. Technology is...

You meant it won't be as loud. Technology is becoming cooler with each generation. Out with the old and in with the new. If you need a good example just look at manual transmissions. Soon those will...
Forum: Electric Projects 03-28-2020, 08:12 PM
Replies: 6
Views: 173
Posted By Bmr4Karts
Okay, I'm actually impressed with the power...

Okay, I'm actually impressed with the power output of a $130 motor with a $120 controller.

https://www.youtube.com/watch?v=tDlTBf5wgQM
Forum: Electric Projects 03-28-2020, 08:11 PM
Replies: 29
Views: 349
Posted By Bmr4Karts
Exactly. One day electric will also rule the drag...

Exactly. One day electric will also rule the drag strip.
Forum: Electric Projects 03-28-2020, 04:29 PM
Replies: 29
Views: 349
Posted By Bmr4Karts
The current Pikes Peak Record belongs to an EV...

The current Pikes Peak Record belongs to an EV and this is just the beginning.

https://www.youtube.com/watch?v=ZnXtAK3dYoE

https://www.youtube.com/watch?v=QnH15dejp0s
Forum: Electric Projects 03-28-2020, 03:54 PM
Replies: 6
Views: 173
Posted By Bmr4Karts
Thanks. It's great for weight distribution...

Thanks.

It's great for weight distribution as well as keeping an eye on it.
Forum: Electric Projects 03-28-2020, 12:53 PM
Replies: 21
Views: 347
Posted By Bmr4Karts
Great job. Based on how smooth video one is,...

Great job.

Based on how smooth video one is, I bet you have the motor wiring perfect.

A 48v motor can easily handle 300lbs.
Forum: Electric Projects 03-28-2020, 09:22 AM
Replies: 6
Views: 173
Posted By Bmr4Karts
Bike = motor bike. Race kart is up next. I...

Bike = motor bike.

Race kart is up next. I needed something to ride with the kids first and the Razor Dune I built up was just too small.

The front bumper and rear motor mount are just fine...
Forum: Electric Projects 03-27-2020, 10:01 PM
Replies: 6
Views: 173
Posted By Bmr4Karts
I call this kart "Sitting Sideways"

I think you can guess where the name came from.

This is a Baja Motorsports Dune 6.5 that bought for $60 without an engine or seat. I swapped the dirt tires to slicks, but I'll be going to sawtooth...
Forum: Electric Projects 03-27-2020, 11:06 AM
Replies: 8
Views: 133
Posted By Bmr4Karts
That looks better. You didn't have the black wire...

That looks better. You didn't have the black wire connected to right side of the contactor in the first post.
Forum: Electric Projects 03-26-2020, 01:17 PM
Replies: 21
Views: 347
Posted By Bmr4Karts
I'm working on this right this very moment. This...

I'm working on this right this very moment. This is the motor I swapped the direction on last night. Just did an rpm test, 1166 rpm unloaded with 10in tire is 34mph. Should still hit close to that...
Forum: Electric Projects 03-26-2020, 01:10 PM
Replies: 21
Views: 347
Posted By Bmr4Karts
As far as sound goes, quiet can mean two things. ...

As far as sound goes, quiet can mean two things.

Smoothers operation
Less RPM

The only to way verify that is with a laser tachometer....
Forum: Electric Projects 03-26-2020, 12:23 PM
Replies: 8
Views: 133
Posted By Bmr4Karts
I think you're missing something over the diode.

I think you're missing something over the diode.
Forum: Electric Projects 03-26-2020, 11:47 AM
Replies: 21
Views: 347
Posted By Bmr4Karts
Thanks. I need some coffee. It is 6 x 6, lol....

Thanks. I need some coffee. It is 6 x 6, lol. Luckily I've never had to go that far.

I'll fix my earlier post so future visitors won't get confused.
Forum: Electric Projects 03-26-2020, 11:10 AM
Replies: 21
Views: 347
Posted By Bmr4Karts
There are 36 total combination possible including...

There are 36 total combination possible including the phase wires and halls sensor wires.

6 combos of hall sensor wires and 6 combos of phase wires under each hall sensor combo.

Out of those,...
Forum: Electric Projects 03-26-2020, 10:31 AM
Replies: 21
Views: 347
Posted By Bmr4Karts
Your brushless motor is 100% reversible doing the...

Your brushless motor is 100% reversible doing the wiring change. You need to change two phase wires and two different hall sensor wires. Easiest thing to do is bench testing. First swap the sensor...
Forum: Electric Projects 03-26-2020, 06:55 AM
Replies: 21
Views: 347
Posted By Bmr4Karts
So its a brushed motor? Yeah, sliding to the...

So its a brushed motor? Yeah, sliding to the other side is easy when you already have the axle off. :2guns:

Oh no, does that mean you have to move the battery mount?
Forum: Electric Projects 03-25-2020, 12:14 PM
Replies: 29
Views: 349
Posted By Bmr4Karts
... I drive a little slower in the populated...

...

I drive a little slower in the populated areas. :)

https://www.youtube.com/watch?v=iBrdvdIvGmE
Forum: Electric Projects 03-25-2020, 08:00 AM
Replies: 12
Views: 370
Posted By Bmr4Karts
That charger is better, you are correct about how...

That charger is better, you are correct about how long it will take to charge.

When choosing a hobby lipo, only trust that their C ratings are half of what they say they are. Those 30C lipos, are...
Forum: Electric Projects 03-24-2020, 09:59 PM
Replies: 21
Views: 347
Posted By Bmr4Karts
Buy split sprockets new time, removing the axle...

Buy split sprockets new time, removing the axle for gear swaps is the old news. Plus split sprockets are cheap.

The only thing reverse threaded on a Dingo is two of the steering tie rods.
Forum: Electric Projects 03-24-2020, 02:52 PM
Replies: 29
Views: 349
Posted By Bmr4Karts
Fun doesn't mean fast. If you want to go 35mph or...

Fun doesn't mean fast. If you want to go 35mph or less then electric isn't too bad. $400-500 all in for motor, controller, and some heavy SLA batteries.

That same money has you going 50mph+ with...
Forum: Electric Projects 03-24-2020, 12:13 PM
Replies: 29
Views: 349
Posted By Bmr4Karts
Hey FA. I love all of your builds and have two...

Hey FA. I love all of your builds and have two 48v, two 60v, and one 72v my1020 sets now.

None of them compare to a $100 Predator 212 in simplicity or power. You're going to have to spend at...
Forum: Electric Projects 03-24-2020, 09:41 AM
Replies: 12
Views: 370
Posted By Bmr4Karts
Don't do that. Those lipos will be over worked....

Don't do that. Those lipos will be over worked. The owner of the kart you linked did not keep that kart very long and his choice of cheap lipo batteries was a bad one. They will lose capacity quickly...
Forum: Electric Projects 03-24-2020, 09:38 AM
Replies: 29
Views: 349
Posted By Bmr4Karts
Very simple answer. No. Electric is far more...

Very simple answer. No.

Electric is far more complex and about 5 times as expensive.
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