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07-31-2008, 06:32 AM
| #1 |
| owner, Holmes Hobbies LLC   Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
|  Holmes' Berg SW3 comp rig
I swapped my comp rig axles from some custom ones Kami made to the berg axles. Nothing had to change really, and my rig acts the same as it ever did. Pretty sweet really, as I finally am getting used to how it handles. I placed 1st at the last CMRCRC comp with many KC guys here, and 9th out of 50 at the Ohio Battle Grounds comp. Slowly getting better at driving. Setup: SW3 chassis Berg Axles 5t Cobalt puller motors Dual FXR escs CC BEC X-Caliber 20C 7.4v 2200mah lipo DX7 Hitec 5955 Eritex wheels AX10 shocks set up half droop half compression Very stable, easy to predict, and ready to climb everything! I have a machinist making 11t down to 8t pinions for me too. 5t on 2s lipo is good, but I may try something else or bump the pinion down a bit. I also have a helluva hack job for the steering servo. It puts the horn inline with the knuckles though, so the steering angles are perfect with no binding and no loss of throw. |
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07-31-2008, 06:44 AM
| #2 |
| RCC Addict Join Date: Jan 2008 Location: www.rccrawler.com
Posts: 1,113
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Hardcore !!!!!!! Any Vids?
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07-31-2008, 06:47 AM
| #3 |
| ΜΟΛΩΝ ΛΑΒΕ  Join Date: Dec 2006 Location: In tha Bush of Louisiana
Posts: 4,343
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Nice servo mount I will take one.   |
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07-31-2008, 06:59 AM
| #4 |
| I wanna be Dave Join Date: Nov 2006 Location: spring hill TN
Posts: 2,959
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I would be willing to say you do not have to worry about not having enough wheel speed   |
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07-31-2008, 08:40 AM
| #5 | |
| Pebble Pounder Join Date: Mar 2008 Location: The state of 'Missery'
Posts: 174
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Looks great man,can't wait to get my boys Slingshot shafty ironed out so I can continue gathering parts for my Berg rig. | |
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07-31-2008, 08:52 AM
| #6 |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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There is a point of too much wheelspeed, but the extra speed helped me get through a gate that only 3 people out of 15 got through during the comp. I literally had to smack the face of the rock and let momentum do the work while hoping I didn't drift and hit a gate. Took one reverse point to do it and I didn't hit the gate markers. Would have liked to get that on vid.
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07-31-2008, 09:11 AM
| #7 | |
| Pebble Pounder Join Date: Mar 2008 Location: The state of 'Missery'
Posts: 174
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07-31-2008, 09:15 AM
| #8 |
| I wanna be Dave Join Date: Dec 2006 Location: In Cali.
Posts: 4,109
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Better photos of you servo set-up please. I should have looked at BG.
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07-31-2008, 09:17 AM
| #9 |
| PapaGriz Yo  Join Date: Apr 2004 Location: In the garage building the wife a crawler
Posts: 13,137
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What did you use to cut that servo mount John? a pitbull? Great setup, I love the idea of dual 5T Pullers. Congrats on the great finish in Ohio. |
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07-31-2008, 09:20 AM
| #10 |
| varcor.org   Join Date: Aug 2005 Location: 757
Posts: 1,073
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x2 on the servo mount. i like the pullers. so a 2s pack is enough juice for the dual pullers?
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07-31-2008, 09:47 AM
| #11 |
| Im Brandon   Join Date: Feb 2005 Location: Colfax, CA
Posts: 8,156
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Looks great John, I spent a night trying to fit the pullers on my berg axles but the tires were rubbing everything too much. WAY too much  What is your width? Good to see that a 20c lipo can handle two pullers |
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07-31-2008, 10:07 AM
| #12 | |
| Quarry Creeper Join Date: Feb 2008 Location: no more lockers
Posts: 400
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nice build jrh , i too tried the puller motors in my truck but with the lower links they would not fit . i see you mounted the lowers out far enough to accommodate the motors . was that a compromise or was that how you planned it ? i can only imagine the power the berg will have with that set up . | |
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07-31-2008, 10:12 AM
| #13 |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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I wanted to use the pullers, so that is where they mounted. I really didn't think about doing it any other way I guess. Width is at 10.5" I think. I am using axial offset wheels from Eritex. 2s is plenty for the 5t pullers, they are almost 3 times faster than a 55t motor. Servo mount was cut with a hacksaw 1/2 way, then bent till breaking the rest of the way. |
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07-31-2008, 02:35 PM
| #14 | |
| Old guy   Join Date: Jan 2007 Location: Northwest Arkie-saw and we got ROCKS!
Posts: 7,548
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08-01-2008, 12:28 AM
| #15 |
| Quarry Creeper Join Date: May 2007 Location: Tunin' Tires
Posts: 239
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John, I love the cobalts on the berg. I'm gonna have to shelve the package you sent me this week (thanks by the way!) and follow you down the "way too much power" rabbit hole  |
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08-01-2008, 02:08 PM
| #16 | |
| RCC Addict Join Date: Apr 2007 Location: RAMBLIN
Posts: 1,713
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does that mean 4 or 5 cell lipo and 5t cobalts? Quote:
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08-01-2008, 09:25 PM
| #17 |
| Rock Crawler  Join Date: Mar 2007 Location: Man Cave!
Posts: 892
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Nice build A$$hole, especially the SW3 with 5t cobalts to boot. Don't get to fancy with your fab skills, or we'll have to nickname you DubJ!
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08-02-2008, 07:34 PM
| #18 | |
| Quarry Creeper  Join Date: May 2006 Location: Indiana
Posts: 292
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08-03-2008, 12:01 AM
| #19 |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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Here are a few pics of the setup. Getting my camera focused properly was a chore. Just a few holes in some angle aluminum and a couple of standoffs. |
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08-03-2008, 08:45 PM
| #20 |
| Quarry Creeper Join Date: May 2007 Location: Hilo
Posts: 430
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DOOD. man that is sick! Wish I had 2 pullers then I wish I had the balls to put it in. I could really do some damage with those in the berg. Heck I couldn't keep up with all the parts I was breaking in the ax10.
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