Comment by Mathias on January 30, 2011 at 2:58am

thats awesome!!

 

a hybrid where you control the wheel steering and yaw of the copter with the left stick left/right and with the right stick you control the cars accelerator/brake and the copter front/back/sideways. left stick front/back stays for copter up/down. would be great!

Comment by John Hutchinson on January 30, 2011 at 3:25am

I'm trying to get a better idea of scale. How long is it overall? Do you think it could climb stairs? And I can't find anyone who sells them in the UK :-(

Developer Comment by John Arne Birkeland on January 30, 2011 at 7:17am

Chris: I am using a 3S lipo on mine. Not been a problem so far, except for the noisy fan.

JDrones Comment by Jani Hirvinen on January 30, 2011 at 7:37am

Mounting plates, sonar brackets etc will be made with cnc routers and laser cut. If people have few other good frame candidates on their mind. We could acquire few of them and make different mounting plates for those. 

 

Both redcat frames will be supported at least.

 

@Johan, that frame is a beauty too ..

Developer Comment by John Arne Birkeland on January 30, 2011 at 9:40am

I just spent over an hour exploring my neighborhood. It is fascinating to see everything anew from a low to the ground perspective. Discovering nooks and corners I never bothered having a proper look at before.

 

The trip ended with a proper roll over with three complete turns breaking the UHF pcb antenna mount. My bad, the hill did not look that steep from the camera wide angle. But it shows that we need to look into how to best mount and protect the equipment. Some kind of flexible spring mount for the antennas etc.

Comment by Johann Van Niekerk on January 30, 2011 at 9:57am

John I geuss crawling at snail speed is a good thing for the Lipos , did you get a hour out of that 3S? wonder what x2  4S  5000mah will do ..... ;-)

Developer Comment by John Arne Birkeland on January 30, 2011 at 10:04am

Johann: The low geared crawler setup draws almost nothing. Less then 200w at full throttle and much, much less at cruising/exploring speed. I power the entire crawler system using a single 3S 5000mah lipo and would estimate at least 2h of operation with room to spare.

Comment by Johann Van Niekerk on January 30, 2011 at 10:12am

Think im going to order the ground pounder redcat, 1/10 scale and bit faster for flat terain. 

I see that water, dust, mud all become factors now .... atleast if something breaks down we dont have that other bad word nocking on our door .......Gravity!

3D Robotics Comment by Chris Anderson on January 30, 2011 at 10:44am

Johann, please give us a mini review when it shows up. The rock crawlers are great for off-road robotics, given how stable they are and they run at the right speed for full environmental sensing. But on an asphalt course like Sparkfun, where there are few obstacle, something like a faster monster truck could be a better answer.

Comment by Johann Van Niekerk on January 30, 2011 at 10:53am

Will Do chris depends how much the postmen likes me, here is a video that made my mind up on the Ground pounder.

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