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RC toy
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03.25.2012, 01:48 PM

Such wide extenders with stock hubs... You will blow your bearings on the first run.
   
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_paralyzed_
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03.26.2012, 09:55 AM

extenders are for shelf queens, just an all around bad idea otherwise


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It's "Dr. _paralyzed_" actually. Not like with a PhD, but Doctor like in Dr. Pepper.
   
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sikeston34m
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03.26.2012, 05:31 PM

Quote:
Originally Posted by _paralyzed_ View Post
extenders are for shelf queens, just an all around bad idea otherwise
Why do you say that Harold?

I tend to aggree with RC Toy though. Aluminum Knuckles aren't a bad idea.
   
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_paralyzed_
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03.26.2012, 06:30 PM

Quote:
Originally Posted by sikeston34m View Post
Why do you say that Harold?

I tend to aggree with RC Toy though. Aluminum Knuckles aren't a bad idea.
The hub of a wheel is centered over the knuckle for a reason. It keeps all of the force on the bearings rotational. Offset wheels are a better idea.

The extenders act just like levers putting unwanted stress on the bearings.

Additionally, the length from the knuckle exaggerates any wheel imbalance.

It's just not the ideal way to widen a truck.


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It's "Dr. _paralyzed_" actually. Not like with a PhD, but Doctor like in Dr. Pepper.
   
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sikeston34m
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03.28.2012, 09:58 PM

Quote:
Originally Posted by _paralyzed_ View Post
The hub of a wheel is centered over the knuckle for a reason. It keeps all of the force on the bearings rotational. Offset wheels are a better idea.

The extenders act just like levers putting unwanted stress on the bearings.

Additionally, the length from the knuckle exaggerates any wheel imbalance.

It's just not the ideal way to widen a truck.
Well, I just had to try it.

Now that I did, I tend to aggree with you.

Another thing I don't like about the extenders, it seems to affect the turning radius. It turns alot wider.

It also seems to be a strain on the steering servos.

I did install a pair of high torque servos, but with the extenders, at a standing stop, the servos overpower the servo saver and the wheels barely turn to the left or the right.

A real downside for me. I don't like that at all.

The only good thing it does, is help keep the truck planted on all fours.

The extenders are coming off the truck.
   
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sikeston34m
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03.28.2012, 10:15 PM

On a brighter note, I did take it for a run.

I installed the Medusa 36-60-1500kv and geared it 18/52 using Mod 1 gears.

Then on 8S, this spins it up to around 45000rpm's.

This little motor comes to life on 8S. It has alot of power. It got a little warm during the times when I was cracking the throttle wide open. It just screams though.

Maybe I love a tight slipper a little too much because it twisted the yoke off the front differential.

Why the front? I don't know. I found the drive cup with the yoke still installed inside, but I lost the front dog bone!

I'll find it tomorrow, I hope.

The Mamba XL is a SWEET Esc. It did not break a sweat.

I also logged the run, which is really cool.

Top Watts was 2133 watts!

Max amps pulled was 76 amps.

Max ESC temp peaked at 120 degrees, which isn't bad at all.

   
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