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03-31-2006, 08:44 PM
| #1 |
| Pebble Pounder Join Date: Jul 2005 Location: Greece
Posts: 154
|  GD600 as the tranny in a TLT, will it work? Is it possible to use a pair of GD600s as the transmissions for a TLT scale crawler. Can the GC600 use Maxx sliders to connect directly to TLT axles? I want to use one GD600 and one motor to power the front and ones for the rear. Each of the motors would turn in the opposite direction to help eliminate torque twist. I want to build a custom frame with rails for this truck. |
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03-31-2006, 08:48 PM
| #2 |
| Join Date: Mar 2004 Location: Washington state
Posts: 110
| thats alot of space, and not much reduction. I built my own tranny with some gears made by traxxas and slapped a GD600 in front of it. Just get two stepped gears and have them face eachother, and run your driveshafts off that, you will end up with counter rotational output, and save alot of space  _bR3T7 |
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03-31-2006, 08:51 PM
| #3 |
| Newbie  Join Date: Sep 2005 Location: Cut -N- Shoot, Texas
Posts: 36
| Sure it would work. You'd get a little stall in the rear axle when crawling though. Also I don't think that it would be geared low enough just going through one GD600 per axle. Would be a pretty fast crawler. |
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03-31-2006, 08:55 PM
| #4 |
| Pebble Pounder Join Date: Jan 2006 Location: Canada
Posts: 181
| Well no one ever said I was the sharpest tool in the shed, but isn't the reduction ratio on the GD600 something like 2.5:1 where the Pede, Stealth or even stock TLT is more like 20:1 or 25:1? And if you run the motors in opposite directions, won't the axles also tunr in opposite directions? Seems like you would end up with a truck where each axle would want to go very fast in opposite directions.  |
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03-31-2006, 09:04 PM
| #5 | |
| Pebble Pounder Join Date: Jul 2005 Location: Greece
Posts: 154
| Quote:
How fast will the truck go with dual 65 turn lath motors? | |
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03-31-2006, 09:04 PM
| #6 |
| Newbie Join Date: Sep 2005 Location: Cut -N- Shoot, Texas
Posts: 36
| Yeah, the reduction isn't that low with the gd600's. Depending on what pinion you use, you might get a 3.5? If we were drag racing up rocks/inclines this would be the way to go. |
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03-31-2006, 09:12 PM
| #7 | |
| Newbie Join Date: Sep 2005 Location: Cut -N- Shoot, Texas
Posts: 36
| Quote:
Well I just got a 65t and at 9.6 volts this thing is SLOW. Flipping a tlt axle would make it turn the right direction. But If you are going to go this route I would just reverse polarity on one of the motors. | |
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03-31-2006, 09:12 PM
| #8 |
| Colt Python/SR9c   Join Date: Feb 2004 Location: out in the shop, reloading ammo!
Posts: 8,677
| yeah a pede tranny is like 2.7:1 and the GD600 is 2.5:1.... I am in the same boat as you and been trying to figure out a way to make a transfer case or just my own small trans.. I just ain't the sharpest tool in the shed and have been trying to figure out what to use for teh GD600 to get the shafts coming out for both the front and rear. I seen a post when searching, I think it was Twinset that built the truck. He just had 2 gears side by side and had different rotation for each axle. The counter rotation is supposed to help with torque twist. he just flipped the rear axle upside downa nd dremeled off the servo mount. |
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03-31-2006, 09:24 PM
| #9 | |
| Pebble Pounder Join Date: Jul 2005 Location: Greece
Posts: 154
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03-31-2006, 09:25 PM
| #10 | |
| Newbie Join Date: Sep 2005 Location: Cut -N- Shoot, Texas
Posts: 36
| Quote:
???????? 27:1 | |
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04-01-2006, 01:26 AM
| #11 |
| Newbie Join Date: Feb 2005 Location: Villa Rica
Posts: 39
| I would have never guessed a gd600 as a tranny. Thats a really good idea. Let us know if any of this works. |
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04-01-2006, 01:28 AM
| #12 |
| Newbie Join Date: Feb 2005 Location: Villa Rica
Posts: 39
| Would it be possible to use a gd600 that turns an output shaft into another one of the small airplane gearboxes? |
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04-01-2006, 06:45 AM
| #13 |
| Rock Crawler Join Date: Oct 2005 Location: Clarkston, MI
Posts: 675
| I think the era of Pede trannies might be over with the ideas of the more compact units coming. |
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04-01-2006, 08:04 AM
| #14 | |
| Rock Crawler Join Date: Nov 2005 Location: Oak Ridge
Posts: 599
| Quote:
The lowest possible gear ratio for a single GD-600 is 3.8:1 (12/46). | |
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04-01-2006, 08:26 AM
| #15 |
| Newbie Join Date: Sep 2005 Location: Cut -N- Shoot, Texas
Posts: 36
| Ok he was talking about internal ratios. I usually go by what the unit itself is capable of. The GD600 could be used as a transfer case if we could just put a longer shaft through it's spur gear. I had though about stacking a few Kontronic planet drives together (part number KPG25). Would be an expensive transmission though. They have then down to a 5.2:1 reduction.  |
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04-02-2006, 01:51 PM
| #16 |
| Join Date: Mar 2004 Location: Washington state
Posts: 110
| Here, Update TF Crawler! I made this tranny with rough teeth gears, for my larger application.. same principle will work with smaller size, just use fine teeth stepped gears, and then use fine teeth pinions. My transmission is a total of 8.25:1 and then I have the GD600 at 2.5:1 (though you can get 3.8:1) so I get great reduction before my axles _bR3T7 hope this helps. |
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