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homemade 1/4 scale buggy project (vid)

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homemade 1/4 scale buggy project (vid)

Old 09-21-2008, 06:39 AM
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da mad maori
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Default homemade 1/4 scale buggy project (vid)

ive been contemplating this thing for a while...

the biggest hold back for me was the amount of power needed to steer something this big and heavy
after much research on the net... i built a high powered servo..... out of a window wiper motor and an Hbrigde motor controller circuit

the frame in this vid is not going to be used .....
the suspention doesnt move... the front arms are one peicse

anyways this is the the begining.. hopefully progress will be good

enjoy
http://www.youtube.com/watch?v=eimYnrCMOLI

Ryan
Old 09-21-2008, 07:28 AM
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sheograth
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Default RE: homemade 1/4 scale buggy project (vid)

Looks like you started with a mini ATV? Anyway, I tried something like that last year but lost interest due to other projects, I still have all the junk here so maybe if you do something nice with it I'll be encouraged

Nice job with the steering setup.
Old 09-21-2008, 07:29 AM
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Lars from Norway
 
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Default RE: homemade 1/4 scale buggy project (vid)

Very interesting!!Keep us (at least me) updatedNice to see a video with things explained how it works.
Old 09-21-2008, 03:41 PM
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bentley marshall
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Default RE: homemade 1/4 scale buggy project (vid)

great job on the servo mate i might have to steel that idear ........by the way ya better come home ya starting to sound like a bloody ozzy !!!!
Old 09-21-2008, 04:55 PM
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da mad maori
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Default RE: homemade 1/4 scale buggy project (vid)

yer i know scary isnt it!!!!!!!!!

i really hoped i wouldnt develop a irritating monotone nasal whine LOL

missing home thou.... might have to go back for a holiday soon
Old 09-21-2008, 05:59 PM
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bentley marshall
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Default RE: homemade 1/4 scale buggy project (vid)

bring one of ya cars with ya mate we could go for a racing
Old 11-13-2008, 04:56 PM
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neomecha
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Default RE: homemade 1/4 scale buggy project (vid)

where can i get wheels like that? those exact wheels hopefully. or 10" preferrably.
Old 11-13-2008, 11:38 PM
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motionmachine
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Default RE: homemade 1/4 scale buggy project (vid)

impressive...
Old 11-14-2008, 12:08 AM
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Default RE: homemade 1/4 scale buggy project (vid)

da mad maori
Super Job ! [sm=shades_smile.gif]

Warren528
Old 11-14-2008, 12:20 AM
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da mad maori
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Default RE: homemade 1/4 scale buggy project (vid)

cheers guys... alot has been done since then ill post pics soon

neomeca.. the wheels are off the little chinesse pocket quads and they are 10" (outside dia of tyre)


Ryan
Old 11-15-2008, 10:06 AM
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bsrman14
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Default RE: homemade 1/4 scale buggy project (vid)

A tone servo is all that you needed. If you need something bigger then it's time to shed some weight. A tone 050 is plenty.
Old 11-15-2008, 05:25 PM
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da mad maori
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Default RE: homemade 1/4 scale buggy project (vid)

over $300aus for a smallest tone servo (050)

$770aus for the bigger one to be safe

OR

$70aus to build ya own thats as if not more powerful than the bigger tone ????

a simple decision for me

(plus my knowege of servos has gone from 0 to just a little more than 0 )
Old 11-15-2008, 06:00 PM
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Default RE: homemade 1/4 scale buggy project (vid)

WOW great job , i would love to build something like this , carn,t waite to see it finished , love the diy servo very good ,
Old 11-15-2008, 06:46 PM
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da mad maori
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Default RE: homemade 1/4 scale buggy project (vid)

here's some more progress pics of the front end tacd together.. alllmost done





















Old 11-15-2008, 10:00 PM
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mooman007uk
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Default RE: homemade 1/4 scale buggy project (vid)

That is one slick servo set up you have there. super impressive[sm=thumbs_up.gif][sm=thumbs_up.gif]
What are the dunlops from?
and what are you going to power it with?
it's gonna need some serious hp
Old 11-16-2008, 03:21 AM
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da mad maori
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Default RE: homemade 1/4 scale buggy project (vid)

cheers mooman and others
the dunlops are wet weather go kart tyres believe it or not lol $15 from ebay, 1 hour use.
i just need some rims now
im using a 49cc pocketbike engine for now.. might have to upgrade later.. maybe a yamaha peewee 50 engine
Old 11-16-2008, 11:15 AM
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Default RE: homemade 1/4 scale buggy project (vid)

Looks cool, keep up the good work
Old 11-16-2008, 09:36 PM
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sam123
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Default RE: homemade 1/4 scale buggy project (vid)

Wow that is looking really good. Good work on the sevo, It turns those big wheels with ease [X(]
BTW, it seems a chainsaw engine would be right at home on that chassis
Old 11-17-2008, 05:47 AM
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Mudgy
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Default RE: homemade 1/4 scale buggy project (vid)

Hey Bro,

Don't get standard alloy go Kart rims (like I did [&o])
go for the mag alloy jobs....heaps lighter, eh!!!
Old 11-17-2008, 11:26 AM
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Default RE: homemade 1/4 scale buggy project (vid)

Is this what comes after you have experienced 1/5 scale? I know there is 1/4 scale, but your scale is a little differant. Great vid I just had to check it out.

r2
Old 11-17-2008, 06:55 PM
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Default RE: homemade 1/4 scale buggy project (vid)

ORIGINAL: da mad maori

over $300aus for a smallest tone servo (050)

$770aus for the bigger one to be safe

OR

$70aus to build ya own thats as if not more powerful than the bigger tone ????

a simple decision for me

(plus my knowege of servos has gone from 0 to just a little more than 0 )

A Tone 105 servo is The biggest you can get. Plenty of power @12 volts(5000 oz. Loose the weight and you can use a Tone o50. I do on another application no problem. Weight is you biggest enemy. I built a 1/4 scale buggy for $250 and it uses a 220 oz servo for steering. I never pay retail for my stuff. 50% or less. Free is the best.
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Old 11-21-2008, 01:28 AM
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da mad maori
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Default RE: homemade 1/4 scale buggy project (vid)

update;
slowly peicing together.. just tacking everything for now until its all moving the way it should

changed to location of the engine and now bolted to the rear swing arm... (no slacking chain issue)
just have to shorten the chain now





getting overall shape of the cage









got my rims today........ my MCDs new zenoah came in too.

Old 11-21-2008, 04:33 AM
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Mudgy
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Default RE: homemade 1/4 scale buggy project (vid)

Looking seriously Industrial grade!!!
I'll bet it will SHRED when its running
Old 11-21-2008, 04:36 AM
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Default RE: homemade 1/4 scale buggy project (vid)


ORIGINAL: Mudgy

Looking seriously Industrial grade!!!
I'll bet it will SHRED when its running
cheers man
although im beginning to think this is abit bigger that a 1/4scale
[sm=red_smile.gif]

Old 11-21-2008, 04:46 AM
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Default RE: homemade 1/4 scale buggy project (vid)

HOLY CRAP!

I almost crapped myself when I saw the wiper motor...that's gotta be one of the better improvisations i've seen!!!

Nice work!

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