Burf2000

Very cool, even has 4.5v lights :)

Sorry I think I am explaining myself wrong. So I build heavy big behind robots, 20KG + and so maybe no one can answer this question but what I am trying to work out is having more or less track helps the robot move especially when turning So I guess this is a turning question and not a traction question

I completely understand that, just trying to apply that to lego terms with lego tracks and carpet!

But I suppose this can't turn on the spot like a normal tank. I am going for 3 wide track so I am going to need a lot of power!

Right so your saying the larger the tracks are the better for moving heavy weight?

I planning to build a very very large Lego robot and my main issue is moving it. Now has anyone done any testing on single track per side verses double track per side (see below). Do you get better power to weight ratio if you have smaller length tracks in many sections? Bad example

Hey there how are you going to get multiple a's running as most USB to Parallel cables don't work? I be interested in how your going to do this. I have VB code for Interface a and some for interface b, just not had chance to finish it

A guy from our club runs this and I believe I am down to exhibit. Probably a giant robot!

I am thinking of using the Wedo for a project and wondered if anyone had made some software for it as the lego one costs quite a bit! You can just get the Wedo hub for not a lot!

Hey there, have you ever reviewed this motor ? http://www.bricklink.com/catalogItem.asp?P=bb129

Very cool!

Oh good man! I am always looking at your site!

No thats fine, I was worried that they would suck too much power, like the rcx can't really run the RC motor

As some of you know I build large robots, well human size out of Lego and this can use the odd thousand or ten's of thousands of parts So George is built and I am keeping him but I am planning up to 4 more robots and working out how to this cheaply is giving me a headache The main issue is having enough electrics. Having a robot doing many things means I need to use Multiply NXTs, or a NXT with PF link / RCX or NXT with a MUX. Then how do you control it? Another NXT? PS2 Sensor? Android device? PC? Once you get past that issue, what about power packs, motors and then cables (if you use NXT or PF cables your need extension) I think the cabling in George is cost over £60, probably over £90 One of the robots I am building, I am thinking of using RCX's (I have quite a few, cabling is cheap, how loads of motors) however does anyone know if you can use 2 motors per port? I am thinking of cutting cost by using some of my old 9v motors instead PF XL / NXT's. I am wondering with enough gearing if 2 * 9v geared motors could do the same job as an XL motor (would be slowed down). It would be nice to put the old motors and RCX's to a use

I don't really see the need for this as whatever you do you need to use 2 motors to make it automated and thus you could use the other PF motor value switch that has been posted quite a few times

Good find, I had not seen this

Most my building is while I am watching a movie or up in the Lego room listening to music past 12 pm

The red Test car is the one that stuck in my head the longest, I also enjoyed the RC bulldozer and super car (old black one)

Love the progress you made with your models

I want the spinning ring to be monorail size lol So I guess over 2ft round

As I remember, there is a 24t cog on one axe that then links to another 24t cog which drives the switches. I can take any pictues you want mate, feel free to drop me a email if thats easier

This is the 2nd moc on here tonight that is simply brilliant and I have no idea how it works? Some very skillful people!

That is one of the first things I have seen that I go, how the hell does that work, fantasic model and functions really well

Its so nice to see something different. Good job!

The NXT rocks + the sensors the 3rd party makes it a brilliant building platform. RobotC I find easier to code in than use NXT-G