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Losi 1/10 TEN-SCTE ARR 4x4 Short Course Truck Thread

Old 03-19-2012, 08:47 AM
  #31366  
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Originally Posted by 8ight-e
If the extra bearing is just free floating it will do no good at all.. you need a housing etc to be effective. It actually may make it worse free floating causing additional friction and heat. Also maybe throwing the weight balance off on the shaft at times if there is any play at all. Just replace the pro4 bearing every 6mos or so and don't worry about it iMO. I typically replace my bearings yearly on my outdoor motors, unless there is a need sooner.
It's not free floating,it actually fits inside the motor mount. It reduces the load by 50% if I understand correctly.
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Old 03-19-2012, 08:52 AM
  #31367  
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Originally Posted by 8ight-e
If the extra bearing is just free floating it will do no good at all.. you need a housing etc to be effective. It actually may make it worse free floating causing additional friction and heat.

Have you looked at the stock motor mount lately? How would the bearing be free floating?
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Old 03-19-2012, 09:28 AM
  #31368  
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Originally Posted by gawith0413
Have you looked at the stock motor mount lately? How would the bearing be free floating?
Actually no.. I hadn't but I do know my 5mm pinions go into that space far enough it would mess up the gear mesh if I were to put anything in there. Not worth the effort iMO. I'm sure everyones setup is a little different.
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Old 03-19-2012, 10:29 AM
  #31369  
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It's a light press fit. It did not effect the temps on my motor, so it should not be adding any additional load.

As far as where to find them, I don't know what to tell you guys. My LHS had one in their bin o' bearings.

Originally Posted by 8ight-e
If the extra bearing is just free floating it will do no good at all.. you need a housing etc to be effective. It actually may make it worse free floating causing additional friction and heat. Also maybe throwing the weight balance off on the shaft at times if there is any play at all. Just replace the pro4 bearing every 6mos or so and don't worry about it iMO. I typically replace my bearings yearly on my outdoor motors, unless there is a need sooner.
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Old 03-19-2012, 10:29 AM
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Originally Posted by kbmgasaints
i just got a scte and i was going to put a 3800 4 pole castel motor
that i had it has the smaller shaft so what size pinion would i need and what
pitch thanks for any info
You can get the Pinion adapter for the 3mm shaft and then just buy Mod1 Pinions with the 5mm bore.

Also for the 3800, it depends on what ESC and what size track your running.
When I was using my 3800 I had it geared at 15T and that worked perfect for any size track that I went to, indoor and outdoor tracks.
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Old 03-19-2012, 10:34 AM
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Well, to me it is free floating but the bearing sure fits in the hole really tight and does not seem to be able to move on its own. It feels like it should be fine.
(free floating as in there is nothing stopping it from coming out)
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Old 03-19-2012, 11:21 AM
  #31372  
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a 4mm bearing fitted in my motor mount using a Tenshock sc411


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Old 03-19-2012, 11:34 AM
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I have some 5/11/4 bearings. Should I give that a shot?
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Old 03-19-2012, 11:36 AM
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Originally Posted by gawith0413
I have some 5/11/4 bearings. Should I give that a shot?
It worked for me
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Old 03-19-2012, 11:49 AM
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Originally Posted by .AJ.
It worked for me
Same here. The pinion back end goes far enough that it's almost touching it.

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Old 03-19-2012, 11:50 AM
  #31376  
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Originally Posted by gawith0413
I have some 5/11/4 bearings. Should I give that a shot?
To each his own.. it is far from needed, you won't gain a second of lap time and I highly doubt wear on the motor bearing will change for lifespan. The motor bearing is chosen and designed to run with out it. That said if you are bored and want to blow some time, from what Chris and other stated it doesn't hurt it either.

I'd say be careful, if that bearing isn't sealed or doesn't flow as smoothly as the stock it will create additional drag. Low quality bearings = bad idea. Full rubber bearings while useful to keep dirt out, will not be as smooth as the stock bearing = bad. The only plus would be if you know you're hitting the track on a muddy day and want to keep some debris out of the stock motor bearing, maybe throw it in for that day.. I wouldn't run it all the time this way unless they again are as good if not a superior bearing to the stock.
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Old 03-19-2012, 01:08 PM
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Originally Posted by elex300
It's not free floating,it actually fits inside the motor mount. It reduces the load by 50% if I understand correctly.
I think he means the way the elite motor mount is, but i think someone maybe chris came up with the size bearing that can be installed on the stock mount and do the same job as the elite mount is.

Last edited by BDRMBULLY; 03-19-2012 at 02:36 PM.
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Old 03-19-2012, 01:33 PM
  #31378  
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Originally Posted by 8ight-e
To each his own.. it is far from needed, you won't gain a second of lap time and I highly doubt wear on the motor bearing will change for lifespan. The motor bearing is chosen and designed to run with out it. That said if you are bored and want to blow some time, from what Chris and other stated it doesn't hurt it either.

I'd say be careful, if that bearing isn't sealed or doesn't flow as smoothly as the stock it will create additional drag. Low quality bearings = bad idea. Full rubber bearings while useful to keep dirt out, will not be as smooth as the stock bearing = bad. The only plus would be if you know you're hitting the track on a muddy day and want to keep some debris out of the stock motor bearing, maybe throw it in for that day.. I wouldn't run it all the time this way unless they again are as good if not a superior bearing to the stock.
That's the assumption in question here. I'm not sure what type of analysis Tekin did when they spec'd that bearing, or how much side load that bearing can handle.

But I have seen more than enough reports of the pinion side bearing failing rendering a toasted Pro4.

BTW, the Pro4 bearings are rated as ABEC 5 bearings. Use a metal shielded ABEC 5 bearing, and it seems like a not so bad idea.
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Old 03-19-2012, 01:36 PM
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Keep an eye out later...going to have to respectfully exit the sport...yet again. (Child number 3 due in the next week or so)

SCTE w/ KHZ chassis (super low use)
RX8 w/ Pro4 4600
KO RSX Response HardCase
Transponder
couple NanoTech 6K's
Tires....spares...tons of them are all going on the block this evening..

Photos will be posted in the F/S thread...



gonna keep painting.....just cannot be away for all day races...
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Old 03-19-2012, 02:01 PM
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TLR KIT IS IN STOCK AT A MAIN NOW just throwing it out there
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