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04-20-2007, 10:48 PM
| #1 |
| Newbie Join Date: Apr 2007 Location: Klamath Falls
Posts: 29
|  Robinson Racing gear question Ok, so I just ordered some gears from Tower hobbies. I ordered a 72t spur gear and 2 9t pinion gears. I just put them on, but even when they're adjusted (I used the plastic bag between the gears to get them set), they seem to have a little more friction than normal. I know for sure that the pinion gears are 32p, but the spur gear did not say. So would the spur gear being a different pitch cause them to chatter more and feel a little more resistant? Or is that just what upgrading gears/using metal gears does? I don't want to destroy the gears, so if anybody can help me out here, it would be GREATLY appreciated. |
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04-20-2007, 10:57 PM
| #2 |
| I wanna be Dave  Join Date: Apr 2005 Location: Kennewick
Posts: 2,382
| em 72t sounds like it should be emaxx aka 32 pitch. 32 and 48 wont even mesh together at all, it will just grind if too lose/lock up if too tight. what I do is bolt the motor up, push gears hard against each other, so its tight, and then slightly pull back, semi-tighten motor screw (have one fully tightened so you can move the gear mesh slowly on one side) and if it feels ruff, loosen the semi-tight screw, pull back a lil more. and do that til its perfect. My TLT w/ pede trans doesnt make nearly any sound from the trans now cuz the gears are broken in! |
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04-20-2007, 11:09 PM
| #3 |
| Rock Crawler Join Date: Sep 2006 Location: Denver
Posts: 518
| An Emaxx is 32 pitch so if you have 9T pinions @ 32 pitch it sounds like adjustment. If they (pinions) are anything like the RC4WD ones I sell they have a bevel to tthe teeth where they were machined less and less towards the set screw. So like the other guy says.......do some adjusting Stampede gears are 48 pitch so its a big difference |
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04-21-2007, 12:47 AM
| #4 |
| Quarry Creeper Join Date: Mar 2007 Location: AZ
Posts: 229
| I have that exact setup, except i run one 55t lathe motor so i only use one 9t pinion. The stock is easier to get the mesh right, but after a little while you can get the 9/72 to work . Took me a few adjustments till I got it to the perfect setting. |
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04-21-2007, 12:54 AM
| #5 |
| I wanna be Dave Join Date: Apr 2005 Location: Kennewick
Posts: 2,382
| oh I forgot your running two motors. Never tried that before, good luck LOL! |
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04-21-2007, 01:05 AM
| #6 |
| Quarry Creeper Join Date: Aug 2006 Location: NORTH TEXAS
Posts: 202
| set one at a time. set one then take it off put on the other, set it. then put the first one back on. this way the mesh will be perfect. |
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04-21-2007, 01:08 AM
| #7 |
| I wanna be Dave Join Date: Apr 2005 Location: Kennewick
Posts: 2,382
| what ^ then whats the prupose of setting the first one in the first place!!!! |
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04-21-2007, 05:23 PM
| #8 |
| Newbie Join Date: Jan 2005
Posts: 5
| He just means to take the pinion off the first motor, leaving the motor where it is. |
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04-21-2007, 05:33 PM
| #9 |
| I wanna be Dave Join Date: Apr 2005 Location: Kennewick
Posts: 2,382
| Oh in that case good idea for dual motor runners! |
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