z3_2drive

Interesting, I've had a couple goes at trying to make a crawler with buggy motors on the axle....the rear was easy but never managed to implement steering on the front axle Good luck!

I made a topic about my batteries already negative camber decreases traction if it extreme, and slight negative camber allows for a greater contact patch when leaning into turns, giving the car more control, and For the body I hope to do a Honda S2000

I'll make my own if I don't find any at the local Lowe's I would swap it around but the way it's built there's no way to rigidly connect it to the main frame from the other side And the model is not a failure I was referring to different one from a while back because it was too complicated, heavy and fragile. I'm not really sure, once I finalize the chassis I will decide, and trust me, it IS fast! It's an illusion caused by the negative camber. In reality they do not bend at all, that '5l beam' is made up of two of the new 5l thin liftarms with the +ooo+ hole pattern, It's very strong. At this point the car drifts well and has nice acceleration, and a HIGH top speed If I build a body I will have a go at the flex axle style Sariel used with his Zonda, and some reinforcing beams too of course. Also, the negative camber makes drifting easier,which is why professional drift cars all have negative camber to some degree. Thanks for all the suggestions/questions! EDIT: With the body this will be a car built for top speed, not low speed torque.

One of my goals this Summer is to build a large 'stanced' car. Stanced refers to a style of car customization where cars commonly have low ride height and negative camber, but I'm not going to give it too much negative camber because then it's just stupid, also this is a version 2 of my large RC car, which never really worked. Features: All wheel independent suspension with slight negative camber, driven by 2X buggy motors, powered by 2X 10v batteries, servo steering. I hope to include a body at some point, should be easier at a larger scale...but first I will show you the chassis I finished today: ^rear suspension is a modified version from Sheepo's MPS ^front suspension I designed myself, and I like it, easily adjustable(shock placement) and robust ^maximum negative camber when compressed ^steering is very responsive and angle is good ^Of course with such a large car I had to use some studded beams... Two main concerns at this point: 1) I need to find a correct size nylon washer to fit on the differential because the torque from the buggy motors causes it to slip, which is why I use a proportional remote for now 2) If I am going to build a body to scale I will need to increase the wheelbase but for now I'll leave it alone. ​Hope you like it and feel free to leave any comments/criticisms.

A truly amazing creation indeed, seriously, that is great, I saw the thumbnail and thought 'No way...' And an extra for the TRON music

Thanks! Hmmm, 'Piotrek839's Heavy Duty Mobile Crane' would be sufficient

This was back when we had little information, and another reason I posted it is because this crane looked like a lot of work was put into the mechanics, even though there wasn't much of a challenge to implement these functions in such a large space, and either way, this topic was bumped, and not by me, but by the creator who wanted to show his model in action. EDIT: It's a small topic because of my crappy title, had it been something to promote piotrek's crane, it would've gotten much more attention, that was a mistake on my part.

Yes I have a differential, the problem is the steering angle with this design is not the best, but it turns slowly enough that you are able to control drifts and transition into the other direction

I've built the chassis today, and it drives awesomely, except turning circle is very large, but the oversteer makes up for it. All I have to say is, it doesnt need plastic wheels! It would be too slow and uncontrollable if it had plastic wheels, and with rubber you can drift, control your drift, and achieve really high speed!! i will take a picture and upload tomorrow just in case I decide to build something else...

Well right now i'm puzzled, so i'll choose the easy way :D either that or suspension but no diff...

Well the way I see it there are two options: 1) no suspension which is efficient and easy OR 2)use this suspension I made just now: ^I have no idea how to get the buggy motors to deliver power to the driveshafts while still acting as if there was a differential between the wheels...

Now I should be set to build this car, bought a third RC buggy motor and two more wires for connecting them to the receiver, time to start building!

They last depending on what load it's taking. One buggy motor will drain it in a few hours or so, not sure how many, and more efficient motors can allow it to last even longer. Charging takes 20 minutes to an hour depending on what amount of current you give it, 20 minutes would be at 3c

don't you need two battery packs for two buggy motors either way? I just measured the AA lego battery pack and it was 190g, 60 more than mine

That is the only setback. For greater power, you have to deal with 130g each.

Ok, I'm not going in-depth, just a brief description for those who are interested. The two custom rechargeable battery packs I use consist of three batteries connected (soldered) in series, wrapped in electrical tape. The batteries used look like this: and my battery packs look like this: To charge them you also need a 'power supply'-a device that regulates current and voltage to give power or in this case, charge the batteries. If you have a background in electronics, and if you are good at soldering and have access to all the components/wires/power supply box, then you can try to make your own. All details about the batteries themselves such as voltage, maximum current, charging voltage&current can all be found at this ebay link, where you can buy them for about 8-9 dollars each http://www.ebay.com/itm/Tenergy-Tenergy-LiFePO4-18650-3-2V-1100mAh-Power-Cell-Max-25A-w-Tabs-SALE-/390575207953?pt=US_Rechargeable_Batteries&hash=item5af018b611

Nope, mine are Lithium polymer too, to be specific Lithium Iron phosphate

20-30 minutes? I'm glad now because my batteries last for hours...And I'll be experimenting with suspension so if I come up with an ingenious solution I'll let you know

Ha, I'm so dumb! And I was even thinking to use your suspension to build the Scion tc drift car sice it has RWD and similar front suspension, but other popular cars would be the fiesta, lancer evo, focus...its a fiesta, isnt it?

OH! I figured there wouldnt be rear suspension, and here I was thinking of complicated ideas to make small double wishbone suspensions and placing buggy motors in odd places I also figured you'd place a battery up front, so will I, good luck with the build, it's great so far!

Well, we've got the Mini Cooper S, the lancia stratos, audi quattro, impreza, lancia delta, RS200, all group B cars, are all popular :L btw did I do this right?

Are you serious...but they're so popular! EDIT: I assume we will be seeing another vehicle model using the new hubs next year...

It wiggles either way, but only if you do it with your hand (giggity) Anyway, is it a ford escort?

One thing I don't like is that the hub can still wiggle so that the tire touches the spring, but this doesnt happen on its own at least. I like it! I built the whole axle and will upload a pic to verify that I did the steering rack right

Made a simple buggy-style body today, and now that I see piterx working on his newest MOC I'm going to take this one apart and start building again too I used technyk's front brace idea (thanks for sharing it!) and added lights that turn on when you are on the throttle.