yoraish

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If you want it to be a good trial truck you might consider again powering the remaining axle. So it would be a real 8x8

Exactly

Here you go, a video of the drivetrain. Notice that there is only one motor cause my other one is broken...

I'm actually building another Tatra right now, and it has the realistic- narrow wheelbase. If you like I can upload some WIP pictures of it.

Overall it looks very nice, but I got some spots for improvement: The angle of the wheels is too tight Try and make the wheelbase a bit narrower . But it looks pretty good for your firs truck! Can you upload a video?

This really is a great piece of, well..., lego The way it detects the falling pins is really creative!

I didn't want to comment in this thread, but I must say your suspension is unique!

I present to you my newest Truck: the Ural 4320. This truck has : 6×6 Front steering Lights Two 2 speeds gearboxes Full suspension Opening bonnet with a manual fake motor Bluetooth remote control via NXT It is a decent truck, I hope you like it For more visit bit.ly/yoraish Video: MORE PICTURES

Firstly thanks! And yes, the IR from the PF remote control is not that good

OK, you asked a lot, I'll try my best to answer all your questions. 1.In order to keep the battery box in place and not falling from the axles, you should placeTehnic bushes on top of the axles. 2. If it works fine, so better for you! 3.There are three ways to make the the wheels stop when reaching maximum turning radius: The first one is sensors from the NXT, Second is using a clutch gear- but that will also prevent the wheels from turning under stress. And the third option is to gear up the motor so it won't have enough power to break anything over there. 4.I can't determine what problem tou have there, a video or further explanation will be necessary. Godd luck with it!

It's truly massive and looks like it performs great! Can you upload some videos at regular speed pleas? And some more driveshaft pics will be nice too

That's great! don't forget to get a battery box. receiver and remote!

If I'm not wrong this truck is suspended with torsion suspension: P.s. Sariel's latest tanks are suspended with torsion (axles torsion).

I have some experience with 6x6 Tatra's and with 2 XL motors they run great. You can see them over at my YouTube I also have some instructions at my website. Good luck building. P.s. From your pictures your suspension is not a swinging half axles suspension- Tatra suspension, but a double wishbone suspension. If you need any help feel free to ask .

It looks nice, I like the suspension. I'm waiting for that

Very nice! I like it :thumbup: Too bad there is no room for a drive and steering motors

I'm sorry for your robot . I have some experience with NXTs and I know what you're talking about. I guess that for my use (controlling trucks) the NXT-NXT/Phone-NXT BT connection should work fine. Thanks for your great answer.

Thanks for your responses! I have never heard that before. I am trying to use BT because I usually run my models outdoors, and the sunlight messes with the IR connections. The only way is to place the remote very close to the receivers. A really uncomfortable solution. And so far the delay you talked about didn't really bother me. So can you explain a bit more about that delay?

As you know Bluetooth is way better than IR when talking about remote control. My target is to control a PF powered truck with bluetooth. My idea was to use the PF extension wire and the NXT converter cable to control PF motors directly from the NXT unit. Now my question is, will such an arrangement work properly and deliver the maximum power as possible? Or is there no other way but an HiTechnic IR sensor? Thanks for your help.

Why can't you see my website? I have photos on my Brickshelf and Flickr.

Thank you very much DLuders! But can you added one PF switch to the PDF? Because it needs to be placed after one of the motors to change its direction, so the axels will go in the same direction.

Instructions! Woohoo! The following video shows some corrections and notes: The actual Instructions File. Have fun building

Thanks you very much!

That's interesting! I read over at Philo's Lego 9V Technic Motors Compared Characteristics that the efficiency of the XL motor is better than the NXT motor. Does that mean that its all-over abilities are better? Would using the XL motor (let's sat in a Trial Truck) be better in the power and speed aspects? P.s. I saw that you wrote that the NXT motor is more powerful but this efficiency thing confuses me.