09-28-2018, 07:10 PM | #1 |
Rock Crawler Join Date: Jan 2011 Location: Portugal
Posts: 638
| Xkill's mini
Is there anybody still here?! Eurocrawl is coming next year and I'd like to run another class. Mini sounds like a fun and cheap way to do that. Super would be another story, besides they are harder to pack and travel with So this is what I got on the mail: 100% RTR losi mini pro with a Novak 18.5 sensored brushless combo, all for a reasonable price. Body is used but still in reasonable shape Aluminum C-hubs with a lose pin that is already fixed. 15t pinion was also included A trip to the garden for some testing... It all worked! But I hate the small screws so SolidWorks and 3D Printer to the rescue! Had to print the object in a different position, this led to poor looks but, more importantly, a nice place to set the bearings. New top link mount Might need to make a V2 of this but for now it works. (Yes, I know the upper link on the chassis side is in the wrong side...) This now looks better and gives be more options for tunning. Poser shots Still lots of work ahead but having fun for now! |
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10-04-2018, 01:08 AM | #2 |
Quarry Creeper Join Date: Aug 2014 Location: Glendive, Montana
Posts: 322
| Re: Xkill's mini
Nice to see someone else working on a mini again lol. There isn't alot of action on this part but theres a few of use here that still run lol.
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10-08-2018, 06:01 AM | #3 |
Quarry Creeper Join Date: Apr 2011 Location: Germany
Posts: 320
| Re: Xkill's mini
I run the same motor/esc and really love it! Run the same tires as well. Yes, screws are small but these Minis are a blast to drive! Have a good time with your Mini |
10-09-2018, 10:27 AM | #4 |
Rock Crawler Join Date: Jan 2011 Location: Portugal
Posts: 638
| Re: Xkill's mini
Drove it this weekend on real rocks and the car feels ok. Still a lot of work ahead but it's a great start! So far I liked the motor/esc combo more than I thought. Some other parts are on the way to keep this moving forward. |
12-03-2018, 04:47 PM | #5 |
Rock Crawler Join Date: Jan 2011 Location: Portugal
Posts: 638
| Re: Xkill's mini
Mini build continues. Next on the agenda was the front axle. The plan was to use (cheap alloy), AX10 c-hubs, bully v1 knuckles, 8mm stub universals (cheap and strong), and very short hubs to keep it legal. 5$ chubs 6$ Unis Bully v1 Knuckles from my Pro. They were done By D-Lux a few years ago. Half way done The hubs are ultra short and made out of magnesium (for the simple reason that I can get it free ;) and only weigh 4g each. Done for now I have also designed a chassis that I'm waiting to get cut. Have some plans for UD/OD but that will have to wait |
12-03-2018, 05:39 PM | #6 |
Pebble Pounder Join Date: Jun 2010 Location: Alcobaça, Leiria, Portugal
Posts: 195
| Re: Xkill's mini
nice project good ideas those that you have, keep setup of this rig alive and use it on the rocks ;) |
12-04-2018, 08:15 AM | #7 |
Rock Stacker Join Date: Feb 2017 Location: Merton
Posts: 55
| Re: Xkill's mini
Nice looking chassis. Me and a buddy are currently experimenting with building a chassis.
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12-13-2018, 01:15 PM | #8 |
Newbie Join Date: Jan 2015 Location: Naples
Posts: 34
| Re: Xkill's mini
Nice, job. Makes me want a 3D printer. Also seeing your build motivates me to get started on mine again. That Novak Motor and ESC is really hard to come by. I searched for one for quite a while before I found one. Had to buy another whole MRC off Ebay to get the combo. |
12-14-2018, 07:26 AM | #9 |
Rock Crawler Join Date: Jan 2011 Location: Portugal
Posts: 638
| Re: Xkill's mini
Thanks. The printer only makes sence if you are able to design your own parts. If you can then it's a nice thing to have, for sure! Yes, this combo, especially the motor, is a nice score! If you got another rig then it's just spare parts! ;) |
02-17-2019, 08:37 AM | #10 |
Rock Crawler Join Date: Jan 2011 Location: Portugal
Posts: 638
| Re: Xkill's mini
Boy, this has snowballed!! I already have some parts done, but I'll post them when I get back home and can take proper pictures at them. The wheels and chassis are cut and mostly done. I'm still working on the CAD project to iron out as many bugs as possible, and this is where it stands. Last edited by xkill; 02-17-2019 at 08:55 AM. |
02-19-2019, 04:47 AM | #11 |
I wanna be Dave Join Date: Mar 2009 Location: SW Missouri
Posts: 2,175
| Re: Xkill's mini
Interesting build with some nice ideas. Looking forward to more. |
03-22-2019, 06:40 AM | #12 |
Newbie Join Date: Mar 2011 Location: UK
Posts: 19
| Re: Xkill's mini
Blimey another impressive build , I do wonder if this mass of modding had anything to do with the interest dropping off. I wouldn’t put my standard Mini Pro up against something this tuned and expect to get any where close so I wonder if other with standard rigs have been put off?
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03-24-2019, 05:59 AM | #13 |
Rock Crawler Join Date: Jan 2011 Location: Portugal
Posts: 638
| Re: Xkill's mini
I think it just depends on what keeps you motivated. For me, I love the build and projecting part of the hobbie more than the driving (but still I love driving!). My 2.2Pro and Sporty have chassis designed by myself. The mini I had a vision of what I wanted to do and also I want to keep cost's down as much as possible. So far so good. To go to a Comp what motivates me is to go out, do my best, but most of all have fun and chat with like minded people! Results come second to all that. Never be ashamed of any result as long as I had fun. And for sure I will come with ideas to improve my cars... I think lack of parts is one of the reason mini died of, but with new ideas I think its making a come back. Its a always evolving sport, like everything else. I'm sure that even with a stock Rig you can still have fun, and that's what matters the most! Come to Eurocrawl in Austria in September and hang out! Clean the dust of those rigs ;) Last edited by xkill; 03-24-2019 at 10:00 AM. |
03-28-2019, 02:12 PM | #14 |
Newbie Join Date: Mar 2011 Location: UK
Posts: 19
| Re: Xkill's mini
Come to Eurocrawl in Austria in September and hang out! Clean the dust of those rigs ;)[/QUOTE] Nice idea but I doubt my other half will think that's a good idea LoL I think you're right about the parts issue I get pretty twitchy when a wheel gets stuck in a hole between rocks as I've stripped a few gears by mistake this way . |
04-07-2019, 12:57 PM | #15 |
Rock Crawler Join Date: Jan 2011 Location: Portugal
Posts: 638
| Re: Xkill's mini
Time for an update!! OD/UD on a mini is a big challenge... Especially UD. So I thought about using pinions and 3d printed parts to give me OD/UD. I use 14t and 20t pinions, but it will be very easy to change if I need to. Here are the pictures: Just have to drill the pinions to 4mm. And make a small shaft.. And it looks like this. Also got a drag link mocked up and the top plate is angled. The supports on the C-hubs adapters are there to improve overall rigidity. This top plate/servo mount/upperlink mount will be made out of G10 For servo I will be using a Sanwa PSG-CL. 16Kg @ 7.4v and I will be using it directly to the 2s battery (no BEC). I moved the tie rod and drag link to the bottom so I can increase castor angle. Still have to work on the steering to get the maximum angle left and right. The plate has to be re-designed (among other parts...) because the servo gives me more space than I was expecting. On the rear I'm using cut SCX10 rear shafts Top link mount has to be re-desinged but nothing special... Chassis is done and I'm happy with it. Shocks are 70mm cheap Chinese stuff... But, to be fair they seem to work rather well! Shocks springs are also a work in progress. Wheels are also done... ... and started looking at the foam setup.... I wanted the tires to be as tall as they could but the rover's are short to start with. Found and old 2.2 rover foam, cut it in half and trimmed it (the inner hole is the same size on the 2.2 and 1.9 rover foams). Combined with shaved sidewalls and cuts on the tire threads it seems to be OK, but I would prefer a bit softer setup... Also made some bedlock for the wheels that works great. Made some links and this is how it looks: My printer crapped out on me so I couldn't print the new parts that I re-designed.... I also cut the driveshafts too short so I will be putting some SDI shafts since the original ones are so hard to find and expensive. Hope to get the rig on the rocks soon but first have to solve the printer issue. Last edited by xkill; 04-07-2019 at 02:40 PM. |
04-07-2019, 01:15 PM | #16 |
Rock Stacker Join Date: Apr 2008 Location: France
Posts: 71
| Re: Xkill's mini
Very clean work man ! servo plate looks pretty thin but perhaps it s strong enough... any chance to make the same in CF ? btw, hope to see it run soon ! Congrats |
04-07-2019, 01:19 PM | #17 |
Rock Crawler Join Date: Jan 2011 Location: Portugal
Posts: 638
| Re: Xkill's mini
This was printed just as a test piece so I can place the servo. It will be done out of 1.5mm G10, I think it will be strong enough. |
04-07-2019, 02:05 PM | #18 |
Pebble Pounder Join Date: Jun 2010 Location: Alcobaça, Leiria, Portugal
Posts: 195
| Re: Xkill's mini
it's a very good work, the UD/OD ideia is great, hope it really works good. love the chassis design it seems to be very clean and functional, overall it will be run really good, i think |
04-07-2019, 02:11 PM | #19 |
Quarry Creeper Join Date: Dec 2012 Location: ontario
Posts: 269
| Re: Xkill's mini
Hell Of A Setup You Got Going There
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04-08-2019, 05:24 AM | #20 |
RCC Addict Join Date: Jun 2007 Location: Finland
Posts: 1,544
| Re: Xkill's mini
Looks very cool and innovative man! Can't wait to see it in action. |
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