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06-23-2009, 08:09 PM
| #1 |
| Newbie Join Date: Sep 2008 Location: FortWayne
Posts: 6
|  My Scorpion MK1... kind of...
I built this tuber about two years ago and finally upgraded the suspension to forced articulation/active suspension. I have spent many hours searching this forum and this is what I have come up with... so thanks guys! Here are the specs: WB - 12 3/8" Axles - TLT Tranny - Stealth 2.65 w/custom dig Motor - usually an HH 30t Torquemaster, but waiting on a new armature, so for now a Reedy 19t ESC - Sidewinder + CC BEC Tires - Losi comp claws Servo - Towerpro 946 Here are a few pics... hope they show up and the right size. This is my first attempt at a tube chassis and brazing. Bottom view, you can see the swing arms attached by inline ball joints. Here you can see the forced articulation at work. I compressed the rear left and the front right came off the ground. Also, you can see the cantilevers at work in the rear. Here is a close up of the cantilevers articulated. Had to install one shock on the left side to eliminate torque twist. Works great. Here is a top view that shows the parallel linkages front to rear. Also my home brew dig lever. With this suspension setup there is hardly any body roll, which is awesome on an off camber. After a lot of fine tuning on the rear to eliminate torque twist this setup works well on my backyard rock course. |
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06-23-2009, 09:04 PM
| #2 |
| Quarry Creeper  Join Date: Jul 2006 Location: Huntspatch
Posts: 197
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Do you get much side play with the in-line ball joints on the lowers ?- Neat idea !
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06-24-2009, 04:47 AM
| #3 |
| Newbie Join Date: Sep 2008 Location: FortWayne
Posts: 6
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No side play but there is a rubber disk for a cushion in the base that gives about .020" end play.
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06-24-2009, 02:56 PM
| #4 |
| Newbie Join Date: Sep 2008 Location: FortWayne
Posts: 6
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Here is a short video of the suspension being flexed manually. I will post a video on the rocks as soon as it uploads. http://www.youtube.com/watch?v=26J3VOQSVdE |
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06-24-2009, 06:57 PM
| #5 |
| Newbie Join Date: Sep 2008 Location: FortWayne
Posts: 6
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06-24-2009, 08:11 PM
| #6 |
| I wanna be Dave Join Date: Jan 2005 Location: Hueytown, Alabama
Posts: 6,777
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Nice! Looks like it crawls well too.  |
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06-24-2009, 10:00 PM
| #7 |
| Pebble Pounder Join Date: Feb 2009 Location: Hiding in the laundry room!
Posts: 137
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That thing is a beast. Great work Gordie |
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06-25-2009, 09:57 PM
| #8 |
| Newbie Join Date: Sep 2008 Location: FortWayne
Posts: 6
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Here is a video of the full course... shows my lack of driving skill. http://www.youtube.com/watch?v=cFswCJKqh1I |
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06-25-2009, 10:30 PM
| #9 |
| Rock Stacker Join Date: Jun 2009 Location: cali
Posts: 75
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That thing is very Madd Maxx-ish, looks like some crazy apocalyptic machine...I like it |
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