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Scale 4x2 and Buggy R/C vehicles This is the place to put your Sand Scorchers, Bajas and other various 2wd offroad R/C's


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  #1  
Old 06-02-2011, 11:41 PM
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Tib001 Tib001 is offline
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Default Vintage Tamiya wannabe build.

Ok so I wanted a Scorcher or some type of tamiya buggy like the FAV for a while but funds are low. So I was looking in the spare parts bin and started getting ideas

So some aluminum and plastic and lots of parts later I got something but not sure if it qualifies as anything. Ironically the only Tamiya part is the ESC lol.

So here we go...


Parts:



Old radio shack buggy front:



An old Traxxas nitro stampede tranny and front arms:



Drilling your only piece of aluminum afraid to screw it up is always fun:



Success!



Bending is almost as bad as drilling:

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  #2  
Old 06-02-2011, 11:55 PM
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Rear tire is for mock up only:



Some new plastic and epoxy brings the radio hack front end back to life:



Servo mounted, I thought it was a clever idea to put it here but I think its causing problems:



Rear close to done:



Motor mount:



Roll cage, if you can call it that. Yes thats a Traxxas chassis brace and some cut up savage bumper parts:



Some more traxxas parts and we have a nice solid cage:





Some more front end work:



More pics here: http://s185.photobucket.com/albums/x...axxas%20Buggy/
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Old 06-03-2011, 12:30 AM
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Got a new battery in the camera and snapped a few shots of tonights progress


Couldn't resist throwing the electronics in for a quick test:



Cage mount:



The red rubber bands in the pic above are to hold the suspension down untill I get the rear shock tower done. Oddly though they make a decent real soft suspension that works and flexes well, who knew lol


A few over all pics:





I have plans for some different rear wheels that will be narrower but I kinda like the width too bad it is no where near matching the front.
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Old 06-03-2011, 12:30 AM
markbt73 markbt73 is offline
Try it. If it doesn't work, try something else.
 
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Yes! Junkyard Wars, RC style. I love it.
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Old 06-03-2011, 12:44 AM
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Took it for a test spin in the basement a few min ago.

Steering plain sucks and it snapped a tie rod but the rest of it performed really well. It was decently fast for just a stock silver can, drove straight and thankfully I got the gears meshed well.

Unfortunately the front end that gives it that old school look for me doesn't work well. The shocks are stiff and don't give much but that can be fixed, and as mentioned it has very little steering. I tried to keep it as simple as I could but it just doesn't turn the tires far enough.

Anything I can do to improve this?? Any help would be appreciated. If I cant get it half decent I may have to scrap the front end and dig through the parts box for another solution. That would kill my old school buggy feel though.
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Old 06-03-2011, 12:50 AM
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Quote:
Originally Posted by markbt73 View Post
Yes! Junkyard Wars, RC style. I love it.
Great show, this even works like some of the things they built too! A little and more of
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Old 06-03-2011, 01:02 AM
markbt73 markbt73 is offline
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To get more steering throw, you could play with the geometry a little. A longer servo saver will give you more leverage and crank the wheels over farther. Or, if you have a bellcrank setup lying around, you could try adapting that.

Or maybe shorten the wheelbase a little? It looks like it's pretty long.
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Old 06-03-2011, 01:14 AM
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I have one more servo saver in the box I'll try it out tomorrow. No bellcrank setup but maybe I can rig something up if I have to.

Wheel base is about 290mm, Tamiya Scorcher is 250mm but I was debating on this body at 289mm WB:

http://www3.towerhobbies.com/cgi-bin...?&I=LXWXZ8&P=7

I'm going to try building my own buggy body as well but wanted options.
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Old 06-03-2011, 04:41 PM
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That's pretty creative. Nice work.
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Old 06-05-2011, 10:01 PM
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Thanks!

Update!!

Well it's a runner! I was impatient and threw some electronics in it and tried it out. The rubber bands are only temp until I get the rear shock tower made but I wanted to make sure it worked before I went any further.

Steering was improved but still could be better, rear tires are only for testing as I didn't get the adapters for my rear wheels made yet. Not bad for a stock 540 motor but I'm sure it will get better when its finished.


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Old 06-05-2011, 10:08 PM
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BADMUTHATrUCKER BADMUTHATrUCKER is offline
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That type of steering/suspension is pretty rubbish anyway, hence the move to wishbone on buggies. That's vintage for you
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Old 06-06-2011, 11:03 PM
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Yeah that's true, I wanted vintage style and I guess it's exactly what I got haha. It's still fun though, I like it. It kinda reminds me of my old Blackfoot.
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Old 06-25-2011, 06:31 PM
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very nice
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