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Thread: Rootz Speed Racer Dragster

  1. #11
    Navigator Rootz's Avatar
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    2.5Watts?? Not sure that would be healthy, let alone legal! LOL

    Can an E-Revo do 3 miles on a charge? Hmm. I'd say you could possibly do it with the standard chassis but it limits the size of batteries you can use. An after-market chassis would probably make it possible. You can see that, with mine, you could double-up on batteries by stacking them on top of each other and run them in parallel, so you're running 4S2P or 6S2P. This kind of battery would probably do the trick for a 6S set-up

    http://www.hobbyking.com/hobbyking/s...mpatible_.html

    ...and these...

    Would be great for 4S...

    http://www.hobbyking.com/hobbyking/s...mpatible_.html

    OMG! That's 12.8Ah. That's like a decent sized car battery! A pair of those bloody things would get get you up the Matterhorn and down again! LOL

    You could just about fit them in a standard E-Revo / Summit chassis but you'd need to hack it around a bit. If you need a spare to experiment with, I've got an old one I don't need.

    I don't mind answering this kind of question. If there's anything you need to know, just let me know.

    Cheerz!

    Rootz
    Last edited by Rootz; 26th March 2012 at 08:29 AM.

  2. #12
    Rootz, that sounds like a lot of fun. We got a couple of other projects lined up but I know what I'm doing next winter ... !

    By the way, 2.5Watts on a HAM frequency is perfectly legal. with the basic HAM license you can do up to 100W on CE / FCC approved equipment. Since you can't get that at these output powers, you'd need to look into getting the advanced HAM or technician HAM (whatever it's called in the US) and you'd be good to 400W after 2 years of "probation". Real HAM guys laugh at our systems and say "that little piece of shit won't even cause cancer" ...

    In any case, healthy, legal ... I can guarantee you it would be fun

  3. #13
    Navigator Rootz's Avatar
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    I'm in the UK. Visited my local HAM club last week and came away more confused than ever! LOL. One of the guys there recommended 10GHz!!!

    At least I'm pretty sure I'd need a Foundation licence so I've signed up for an intensive Foundation + Intermediate weekend's training. I've got the books. Just need to read 'em now. Huh! Never thought I'd need to take exams to do my hobby! LOL

    Cheerz!

    Rootz

  4. #14
    Quote Originally Posted by Rootz View Post
    Never thought I'd need to take exams to do my hobby! LOL
    Once you end up in front of a judge to do your hobby that's when stuff REALLY gets weird

  5. #15
    Navigator Rootz's Avatar
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    OMG! Do tell! LOL

    So, anyway. I chose 5.8GHz for the simple reasons that I liked the AIO goggles and my RC controller operates on 2.5GHz. D'ya reckon I'll be able to get, say 500 metres range?

    Cheerz!

    Rootz

  6. #16
    Quote Originally Posted by Rootz View Post
    OMG! Do tell! LOL

    So, anyway. I chose 5.8GHz for the simple reasons that I liked the AIO goggles and my RC controller operates on 2.5GHz. D'ya reckon I'll be able to get, say 500 metres range?

    Cheerz!

    Rootz
    It's all about position. Find yourself an elevated spot. A high chair or a table already works wonders. If I were to drive a car I'd sit on top of a hill and drive around myself.

  7. #17
    Navigator Rootz's Avatar
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    Fair enough. Thanks for that.

    Guess I'll just have to suck it an' see. :-)

    Cheerz!

    Rootz

  8. #18
    Navigator Rootz's Avatar
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    Hah! Losi 8ight T's are ugly and smell of poop!

    Seriously though, you're right, the Revo CoG is slightly higher than that of a truggy but then again, they're not designed to bottom-out every time they land as racing chassis are. There's a whole lot more space under the shell too. Also, because the batteries are each side of the chassis centre line, it would be easier to balance it out with larger batteries. As for whether an 8ight T on 4S could make it on a 3-mile up-hill round trip, all I can say is "Prove it!"


    View this video on YouTube

    Cheerz!

    Rootz

  9. #19
    Navigator Rootz's Avatar
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    LOL! Very good! Still, I say prove it!

    Tell ya what. I'll make it easy for ya. 3 miles on flat ground with your standard batteries. If you manage that, I'll eat the silicone rubber shade from my AIO goggles...



    I guess the cab forward shell must be functional. I mean, why else would someone design it that way? Looks like somebody stood on it! LOL

    Nah. far as FPV is concerned, I'd go for a monster truck every time. If the Axial Wraith were a tad bigger, it'd be the ideal platform in my mind. E-Savage is a distinct possibility, Summit is a good choice but then, it's just a more expensive, more complicated E-Revo. Racing platforms are all optimised for track racing and, to my mind, that's not ideal.

    Oops! Forgot about the RX8 firmware. Nope. Just got it straight out of the box. Busy building the Revo at the moment. Is there something about the new firmware?

    Cheerz!

    Rootz
    Last edited by Rootz; 27th March 2012 at 05:07 PM.

  10. #20
    Navigator Rootz's Avatar
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    Well there's no doubt they're less stable. Takes a while to dial out grip-roll on a Revo but it can be done. Not really too important when it comes to FPV though, as you won't want to be doing 45mph all the time. Would be great to see the view from a truggy round a good track, however.

    So, what's the story about the RX8 firmware??

    Enjoy club race night!

    Cheerz!

    Rootz

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