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Tuning motors with brushes

Old 03-29-2004, 03:48 PM
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WOW, THATS A LOT OF POST!
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Old 03-29-2004, 06:36 PM
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Originally posted by mafiaracers
WOW, THATS A LOT OF POST!
It's just an informative article from the Internet. Aim to give this info to others that may be interested in this topic. I didn't know. Love this forum.
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Old 03-29-2004, 06:38 PM
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bill is there any place get a reamer on-line using Paypal?
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Old 03-29-2004, 06:44 PM
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Originally posted by True R/C Racing
bill is there any place get a reamer on-line using Paypal?
Hi True,

So far, all I have found is Tri-Angle Precision; however, their minimum is 10 each. Still looking for a supplier on the Internet. Please tell me if you find one. I usually use PayPal too.

Now understand that the RH spiral is more precise than straight.
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Old 03-29-2004, 09:02 PM
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Wow! Finding the appropriate .125" 'long' hand reamer is not panning out for me so far...

Anyone have a clue?
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Old 03-30-2004, 04:38 AM
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McMaster Carr on line
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Old 03-30-2004, 06:08 AM
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you can get one from grainger you will have to set up an act but it will be worth it they have 1,000 snds of tools it is called a

flute reamer

it is long and looks like a drill bit
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Old 03-30-2004, 06:14 AM
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Graingers Website?...
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Old 03-30-2004, 06:16 AM
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nvm I got it
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Old 03-30-2004, 10:06 AM
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guys, do have any idea where can i get in the internet some motor recomendations gearing chart?

ie:

TAMIYA Type RR (23T) - ?????
TAMIYA Mod 11T - ?????
KAWADA 23T - ?????
etc... etc... etc...

thanks.
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Old 03-30-2004, 11:16 AM
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so will polishing allow be enought to see a difference.....or do u have to do the whole reaming thing.........also thins like reaming is it noticable that it will be picked up at an inspection?
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Old 03-30-2004, 11:20 AM
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Originally posted by stankulas
[B]you can get one from grainger [B]
Things might have changed, but the last time I delt with 'Grainger', they did not sell to the general public.

From the 'Grainger' website:

"Please be advised that Grainger is a wholesaler, not a consumer retailer."

so will polishing allow be enought to see a difference.....or do u have to do the whole reaming thing.........also thins like reaming is it noticable that it will be picked up at an inspection?
I personally would NOT ream my Bushings. Once they are properly seated and broken in, polishing is all that's needed.

Last edited by popsracer; 03-31-2004 at 11:27 AM.
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Old 03-30-2004, 12:04 PM
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If you get a long reamer, you can actually align the bushings which will increase preformance, then polishing the bushings will make a very noticible difference. I did this stuff at last years stock nats and it was cool.
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Old 03-30-2004, 12:48 PM
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I am wondering what you guys hope to acheive by reaming the bushings? I understand the idea: make the hole slightly larger with a better finish...... BUT i doubt you will be able to make a straight cut without making the hole oversize or elongated. Really you need to have a drill press or a bridgeport mill to clamp the endbell, and indicate the hole on centerline before running the reamer through there. I definetly wouldn't run the reamer through the can to do the bushings.

A better bet would be to HONE the bushings. One advantage to honing is the cross hatch pattern that is left after honing helps retain oil lubrication, whereas a reamed hole will not be a lubricative. But honing oil STINKS!!!
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Old 03-30-2004, 08:24 PM
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Originally posted by popsracer
I personally would NOT ream my Bushings. Once they are properly seated and broken in, polishing is all that's needed.
Pops,

And Big Jim Greenemeyer agrees with you on this point; so, I am only going to polish them using a q-tip on a drill and polishing compound.

Many thanks for your insight.

Last edited by JRX-S Bill; 03-30-2004 at 08:33 PM.
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