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11-06-2012, 06:51 PM
| #1 |
| Rock Stacker  Join Date: Nov 2011 Location: Bismarck
Posts: 58
|  what kind of drill bit do i need to drill out Rc4wd gears?
I want to start working on my new XR and am going to drill out my gears but dont know which drill bit to use and what size,can u help?
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11-07-2012, 05:18 AM
| #2 |
| Custom Carbon Fiber   Join Date: Oct 2007 Location: Connecticut :(
Posts: 4,501
| Re: what kind of drill bit do i need to drill out Rc4wd gears?
I use a carbide bit, slow rpm with slittle pressure when I drilled my hardened Axial gears. Carbide is sharp but also fragile, it doesnt like being shifted. Ive snapped a couple from the part not being secure enough. |
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11-07-2012, 06:15 AM
| #3 |
| Rock Stacker Join Date: Nov 2011 Location: Bismarck
Posts: 58
| Re: what kind of drill bit do i need to drill out Rc4wd gears?
Cool, I'll pick up extra bits and take my time drilling them, I'll b starting a thread when I start building.I have all my parts and my VP wheals should b here today!  |
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11-07-2012, 07:18 AM
| #4 |
| RCC Addict Join Date: Mar 2010 Location: Auburn, MI
Posts: 1,177
| Re: what kind of drill bit do i need to drill out Rc4wd gears?
Carbide or Cobalt if you can afford them. An idea I had, use the stock gears as a starter. Drill the holes in the softer gears first. Then, line them on a shaft or a piece of brake line, etc. Screw that entire assembly to a 2x4 or something sturdy. Then drill the holes in the hard gear, using the softer gear as a drill guide. Then you can get your spacing right and what not. Take some before and after weights. I am interested in seeing how much this really saves. If it takes quite a bit off, and doesn't hurt the gears, my plan is to make a fixture, and give it a try on my CNC.. |
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11-07-2012, 08:17 AM
| #5 |
| Rock Stacker Join Date: Nov 2011 Location: Bismarck
Posts: 58
| Re: what kind of drill bit do i need to drill out Rc4wd gears?
the xr im running now is heavy,going to do every thing i can to cut wait! ill be starting a thread soon and posting daily!
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11-07-2012, 08:34 AM
| #6 |
| RCC Addict Join Date: Mar 2010 Location: Auburn, MI
Posts: 1,177
| Re: what kind of drill bit do i need to drill out Rc4wd gears?
Sounds good.. Get yourself a good scale and document as much as you can. I'll bet you are still lighter than I am right now. My XR10, with Viper II chassis, 6" Sedonas, and a pretty common package, is right near 6 lbs. The funny part, when I started with the XR10 a couple years ago, 6 lbs was amazing. A rig that "light" was unheard of. Now, 6 lbs is the BBW of crawling. LOL.. I wish you could pick up my TTC truck. She tips the scale just shy of 10 lbs. Seriously. |
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