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View Full Version : aon 4900 motor mount question...



cfurman
01-08-2006, 08:02 PM
I have an Inferno ST and just purchased a Tekin ESC and AON 4900 motor... do I need a special motor mount for the AON motor? Will will the stock motor mount work? Do I need some kind of adapter?

bermbuster
01-08-2006, 08:38 PM
the stock motormount is plastic. It will work but with the torque and heat generated by the AON it will float. When this happens the pinion will eat up the slipper spur.....get an aluminum motormount.

Trickpatrick
01-08-2006, 08:50 PM
Even then with the extra power the chassie will flex and the mesh will fluctuate.
Just keep an eye on it.

BitHed
01-08-2006, 10:22 PM
...AON mounts with 3mm screws...H8 motor mounts are 2.6mm and need to be made 3mm...

...Go alloy...Thats all there is to it...

theturd
01-08-2006, 10:38 PM
use a reamer to enlarge the mounting hole. the adjustment is very small, so don't over do it.

cfurman
01-08-2006, 10:55 PM
2 questions....


Can you take a standard reamer to an aluminum mount like that?

And do I need to change from my stock pinion gear for the AON4900? If so, which one and where do I get it?

Thanks...

Trickpatrick
01-08-2006, 11:30 PM
Yes but I prefered a drill bit.

You'll need to go smaller pinion
12 t is popular I run a 10 on a Technical track so somewhere in there will be good.

Remember the shaft size may change as well there is at least 2mm 2.3 mm and 3 mm
I havnt had the AON so I dont know which it is.
Stock Half 8 is 2.3 mm

BitHed
01-08-2006, 11:36 PM
...2 Answers...

...I drill my motor mounts....by hand, very slowly and very carefully...The 3R mount has ribbing which is a ;itt;e tricky to get through so be careful ;)

...I use HPI RS4 Micro pinions or more recently pinions for the MiniZilla...The AON (and Mamba?) have a 2.0mm shaft...The STOCK shaft is 2.3...Associated pinions, a'la 18T fit too apparently but i have always had issues with them...I personally prefer HPI...

...The TURD...Now my marketing mind has started turning...Wouldnt it be a good idea if AON did their OWN pinions? How is that for a little bit of brilliance? LOL...I know you probably have the right 'people' to get them done...Yeah...in hardened steel RED :D

theturd
01-09-2006, 08:37 AM
...The TURD...Now my marketing mind has started turning...Wouldnt it be a good idea if AON did their OWN pinions? How is that for a little bit of brilliance? LOL...I know you probably have the right 'people' to get them done...Yeah...in hardened steel RED :D

I do know people to get them done, but I don't know how to make them better. Surfaced harden steel pinion in RED alone does not qualify an improvement, lol. Second, I am actually still trying to figure out ways to standarize shaft dia for regular consumers, so that we can all easily use readily available pinions.

pointcrossed
01-10-2006, 02:57 AM
I just use HPI micro pinions they fit just fine, Orion pinions work too...

cfurman
01-10-2006, 10:22 AM
Just want to make sure.. the one I ordered is T2415-4900

that is the right one correct?

pointcrossed
01-10-2006, 11:46 AM
Yep, thats the one I have, remember you are going to need smaller pinions...

I also geared down.

cfurman
01-10-2006, 09:37 PM
Smaller pinions? as in 10Tooth? If I order the Kyosho 10T, will that be ok?





Yep, thats the one I have, remember you are going to need smaller pinions...

I also geared down.