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12-08-2008, 10:26 AM | #1 |
Quarry Creeper Join Date: Nov 2006 Location: Longmont
Posts: 313
| Mini Giant Bronko Crawler
My kids use to to have fun bashing around with the Venom Mini Giant. Then I picked up a couple of Losi mini crawlers and now the VMG never gets any love. So I decided to try to build it into a respectable crawler. I am going to try to build this out of parts that I already have or can make. It will have a Losi Bronko body and Losi Mini Claws for tires, because I already have them. I started the project off with a few beers, a pencil and my trusty engineering note pad. Soon I had a couple of chassis plates ready to go. I cut them out of .060" aluminum using a Dremel with cut-off wheel. I clamped the two pieces of aluminum together and cut both plates at the same time. I kept the chassis design as simple as possible to make it easy to cut out. Last edited by toybuilder; 12-08-2008 at 02:05 PM. |
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12-08-2008, 10:38 AM | #2 |
RCC Addict Join Date: Nov 2008 Location: never been
Posts: 1,317
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interesting chassis you got there, gonna be looking into your build-up. |
12-08-2008, 10:41 AM | #3 |
Quarry Creeper Join Date: Nov 2006 Location: Longmont
Posts: 313
| Front Axle
With the chassis plates cut out, I started on what I thought was going to be the most difficult part, the front servo/upper link mounting plate. After staring at things for a bit and making a few sketches, I came up with something that I thought would work well, and not be too difficult to make. This is what I came up with using some more .060" aluminum sheet and some parts left over from one of the LMCs. It mounts to the axle using 2-56 stand-offs and screws through the axle case. I had to clearance the diff housing with the Dremel to make room for the stand-offs. Last edited by toybuilder; 12-08-2008 at 11:01 AM. Reason: fixed typo |
12-08-2008, 11:11 AM | #4 |
RCC Addict Join Date: Jun 2008 Location: Monroe, NC
Posts: 1,547
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Lookin good so far, keep it up. Justin |
12-08-2008, 12:12 PM | #5 |
Quarry Creeper Join Date: Nov 2006 Location: Longmont
Posts: 313
| Thanks! Rear upper link mount. Same concept as the front using 2-56 stand-offs. I painted these parts flat black to see what it would look like. I think I'll eventually paint or powdercoat all the metal parts. |
12-08-2008, 12:47 PM | #6 |
Quarry Creeper Join Date: Nov 2006 Location: Longmont
Posts: 313
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Here's a mockup shot with the body. Obviously, the body will sit much lower after it's trimmed. At this point I just need to figure out the upper shock mounts and build a draglink/tie rod and I'll have a roller. Then it's just detail work to finish it up. Wheelbase is 8 1/4".
Last edited by toybuilder; 12-08-2008 at 01:11 PM. |
12-08-2008, 03:54 PM | #7 |
RCC Addict Join Date: Sep 2007 Location: Port Orange
Posts: 1,855
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hey toybuilder what wheels and tires are those, are you using some king of an adapter?
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12-08-2008, 04:13 PM | #8 |
Pebble Pounder Join Date: Aug 2008 Location: Boxford
Posts: 143
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i think those are the wheels and tires off of the losi mrc if im not mistaken
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12-08-2008, 04:41 PM | #9 | ||
Quarry Creeper Join Date: Nov 2006 Location: Longmont
Posts: 313
| Quote:
Quote:
I am using some slightly modified Trinity TC Wheel Adapters to mount the Losi 12mm hex wheels to the VMG axles. I found them at the LHS and so far they are the only thing that I have had to purchase for this build. I just had to bore out the center hole a bit, and drill and tap them for a set screw. I could have also drilled the axle for a pin, as you can see the hex has a slot for it. I chose to go the set screw route because it was easier for me. The finished adapters look like this: Last edited by toybuilder; 12-08-2008 at 04:53 PM. | ||
12-08-2008, 06:09 PM | #10 |
RCC Addict Join Date: Sep 2007 Location: Port Orange
Posts: 1,855
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very cool thanks for the info, i going to get those. |
12-08-2008, 06:13 PM | #11 |
Pebble Pounder Join Date: Jun 2008 Location: 801
Posts: 165
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I can't wait to see it all done.
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12-09-2008, 02:22 PM | #12 |
Quarry Creeper Join Date: Nov 2006 Location: Longmont
Posts: 313
| Transmission
Mini Giant trans with LMC motor and 9 tooth pinion. It will probably be too fast. If it is I'll add a gear reduction unit later. I don't want to buy one unless I have to. I used some 4-40 stand-offs to mount one side of the chassis to the trans and the other side bolts directly to it. The stand-offs weren't quite long enough, so I Dremeled the motor mount a bit.
Last edited by toybuilder; 12-09-2008 at 02:28 PM. |
12-13-2008, 07:35 PM | #13 |
No idea what I'm doing Join Date: Oct 2008 Location: Underground, CO
Posts: 4,529
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What's going on with this..........don't tell me you gave up on it. I like the "build with what you got" threads and you are letting me down :-(. More progress pics please!!!!
Last edited by C*H*U*D; 12-13-2008 at 08:28 PM. |
12-15-2008, 06:07 PM | #14 |
No idea what I'm doing Join Date: Oct 2008 Location: Underground, CO
Posts: 4,529
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Hmmmmm......ignoring me are you?!? I guess I'll just have to grab a 12 pack, show up at your door and see it in person. Is that what I need to do |
12-18-2008, 09:50 AM | #15 | |
Quarry Creeper Join Date: Nov 2006 Location: Longmont
Posts: 313
| Quote:
Don't let the fact that I'm updating the thread stop you though. I haven't had much spare time lately, but I finished the upper shock mount/crossmembers. The chassis is pretty strong, but I'll probably add another crossmember in the middle somewhere, after I finish the battery mount. Next up is making a drag link/tie rod and lengthening the drive lines. Here are some current pics: Last edited by toybuilder; 12-18-2008 at 09:02 PM. | |
12-18-2008, 10:51 PM | #16 |
Quarry Creeper Join Date: Apr 2008 Location: Garden Grove
Posts: 499
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very nice |
12-23-2008, 10:13 PM | #17 |
Quarry Creeper Join Date: Nov 2006 Location: Longmont
Posts: 313
| Thanks!! The feedback is appreciated, whether you like my work or not... I finished the drag link and tie rod. Not perfect, but it works well. Let me know what you all think. |
12-23-2008, 10:36 PM | #18 |
RCC Addict Join Date: Nov 2007 Location: CALI "209"
Posts: 1,970
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looks good, what electronics are you going to use?
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12-24-2008, 07:51 AM | #19 |
Quarry Creeper Join Date: Mar 2008 Location: i think its called houston
Posts: 224
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looking good so far. Those are some nice cuts on the aluminum pieces.
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12-24-2008, 09:20 AM | #20 |
I wanna be Dave Join Date: Oct 2006 Location: Martinsburg WV
Posts: 2,781
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Nice chassis. I like the "build with what you have" threads too. I just painted a Bronko body for my Losi MRC. I was a little disappointed, I was hoping it would be a little bigger than the stock body, but it's about the same size. It's still good to not have a stock lid anymore. Yours will probably crawl better, it looks like it has good articulation, vs. too much like a stock MRC... |
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