check out this outdrive!
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check out this outdrive!
i bought a stealth recently off ebay that had a hydra put on it along with an extra stealth hydra shaft. when i got it i gave it a spin an was like "wow". as trashed as the outdrives were i figured it would be toast, but it spun real good. i'm taking it apart and was suprised to see this:
shame the oudrives are wasted. did a company make these? they look to me like a custom job but i dunno for sure.
i kinda feel like just cleaning them all and just filing down the ugly on the outdrives. they'd be goin' in a shelf queen anyway and i cant help but feel like they at least deserve a worthy home. i'm a sucker for the feelings of inanimate objects.
shame the oudrives are wasted. did a company make these? they look to me like a custom job but i dunno for sure.
i kinda feel like just cleaning them all and just filing down the ugly on the outdrives. they'd be goin' in a shelf queen anyway and i cant help but feel like they at least deserve a worthy home. i'm a sucker for the feelings of inanimate objects.
- Eau Rouge
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They look like titanium maybe. Aluminum or titanium outdrives take a beating in anything other than stock class. That happens when the driver does not get off of the throttle over jumps, too.
We see that kind of thing a lot in modified DO racing. I have a set of aluminums on my TC3 that are coming off soon that look worse than that.
We see that kind of thing a lot in modified DO racing. I have a set of aluminums on my TC3 that are coming off soon that look worse than that.
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- mrlexan
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I would be surprised if it would be Titanium. In my experience Titanium (at least grade 6AL-4V, which is an armor grade) is pretty dang good stuff. I know that RC manufacturers probably don't use armor grade, prob more like pot-metal stuff in the Titanium world. It is not as ductile as Alumium and there should be a significant difference in weight, Titanium is much lighter and much harder. Also it almost looks like Stainless, at least has the same hue about it. There would be one good way to tell, take a Dremel or grinder to it...... if it throughs a ton of yellow sparks, then it is Titanium. The armor grade stuff gives quite a spark show.
- Dr. Robotnik
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- Eau Rouge
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There are plenty of companies who make pretty decent titanium alloy driveline parts. None that I know of for older diffs, like the original Stealth, though Dynotech did make some pretty trick little ti (3Al-2.5V) parts, IIRC.
I know 6Al-4V ti is used quite a bit in the cycling industry, too. That stuff is out there, and used more than you'd think in R/C driveline areas, and nuts & bolts.
Worn out drives like that look like poorly heat treated tool steel, but if they are old, old steel pieces usually show some sign of oxidation. My initial guess was a low-grade ti alloy but now that I am looking at them, you wouldn't drill-lighten them if they were titanium.
Neat pieces, regardless. Don't think I have ever seen anyone drill lighten diff outdrives like that. Not sure if I have ever seen steel outdrives that mangled, either. I wonder what the dogbones/CVDs looked like?
I know 6Al-4V ti is used quite a bit in the cycling industry, too. That stuff is out there, and used more than you'd think in R/C driveline areas, and nuts & bolts.
Worn out drives like that look like poorly heat treated tool steel, but if they are old, old steel pieces usually show some sign of oxidation. My initial guess was a low-grade ti alloy but now that I am looking at them, you wouldn't drill-lighten them if they were titanium.
Neat pieces, regardless. Don't think I have ever seen anyone drill lighten diff outdrives like that. Not sure if I have ever seen steel outdrives that mangled, either. I wonder what the dogbones/CVDs looked like?
- Dr. Robotnik
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steel
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ EXCELLENT POST^^^^^^^^^^^^^^^^^^^
Hahahaha, I didn't have time to write anything else, and I am glad I didn't because apex has pretty much summed up why my guess was for steel.
Hahahaha, I didn't have time to write anything else, and I am glad I didn't because apex has pretty much summed up why my guess was for steel.
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Hi guys,
The outdrives shown in the picture were made by a company called Barracuda from 1993-1995. They produced the outdrives for both the Stealth and Losi XX transmission. I have a pair for the Stealth transmission and they are in fact made of Titanium. They retailed for $69.99-79.99 US and were targeted for high-end racers and were supposed to be used only for the big events as they lasted between 2-6 runs depending if you were running stock or modified. Unfortunatley they never took off here in Australia for a few reasons (price, durability and many racers found that the super light outdrives actually made their cars twitchy/nervous compared to the stock heavier outdrives) but I remember reading that they were used with great success in the U.S. by oval racers. Hope this helps.
This is my first post and I hope I can contribute in any way possible to this great forum.
Take care,
Vin
The outdrives shown in the picture were made by a company called Barracuda from 1993-1995. They produced the outdrives for both the Stealth and Losi XX transmission. I have a pair for the Stealth transmission and they are in fact made of Titanium. They retailed for $69.99-79.99 US and were targeted for high-end racers and were supposed to be used only for the big events as they lasted between 2-6 runs depending if you were running stock or modified. Unfortunatley they never took off here in Australia for a few reasons (price, durability and many racers found that the super light outdrives actually made their cars twitchy/nervous compared to the stock heavier outdrives) but I remember reading that they were used with great success in the U.S. by oval racers. Hope this helps.
This is my first post and I hope I can contribute in any way possible to this great forum.
Take care,
Vin
- johnqpublic
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Thanks for the warm welcome scr8p.
- Attachments
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- My own Barracuda Titanium Diff Halves
- 327.jpeg (4.97 KiB) Viewed 1371 times
- My own Barracuda Titanium Diff Halves
- 327.jpeg (4.97 KiB) Viewed 1371 times
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- Barracuda Titanium Diff Halves w/ advertisement 1
- 500.jpeg (7.48 KiB) Viewed 1371 times
- Barracuda Titanium Diff Halves w/ advertisement 1
- 500.jpeg (7.48 KiB) Viewed 1371 times
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- Barracuda Titanium Diff Halves w/ advertisement 2
- 501.jpeg (5.71 KiB) Viewed 1371 times
- Barracuda Titanium Diff Halves w/ advertisement 2
- 501.jpeg (5.71 KiB) Viewed 1371 times
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