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> Tamiya mini 4wd v9, Blah , lazy to write one (Hobbies)

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szngszng
post Jun 20 2010, 06:47 PM

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>El Nath

should you upload some pic for us ??

btw, if you use bumperless... have you set some angle at the front??


Added on June 20, 2010, 7:00 pmusing MS against VS or other chassis which using higher rpm's motor is a challenge, fun, and it's a learning process...

you will never know the spirit inside ~~ hahahahaha~

This post has been edited by szngszng: Jun 20 2010, 07:00 PM
szngszng
post Jun 21 2010, 11:49 PM

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for MS... can refer this:

user posted image
use your creative and brain... biggrin.gif
szngszng
post Jun 22 2010, 12:46 AM

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the orange VS chassis look very nice~~!!!!!!
szngszng
post Jun 22 2010, 01:26 AM

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haha... maybe next time~~hahaha...this time mission is to beat VS by using "slow" MS...hahaha...
szngszng
post Jun 22 2010, 04:46 AM

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btw, too many extra reinforcement on the car....
szngszng
post Jun 22 2010, 04:50 PM

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can't sleep... checking some motor data...

for those powerful motor... normally 3V under no load will consume 0.7~0.8(10A)...

thus, provide high speed and high toque...

but ensure there is no other load that cause power consume when you test...also... no other lube for less friction...

This post has been edited by szngszng: Jun 22 2010, 04:53 PM
szngszng
post Jun 22 2010, 05:14 PM

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QUOTE(sonic_cd @ Jun 22 2010, 05:07 PM)
user posted image

now, to get a chassis ready .
*
user posted image
szngszng
post Jun 22 2010, 05:37 PM

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yes...no load... run freely...take old batt like 1.5x times 2 batt and try... if can get that figure... which mean power!! hahaha
szngszng
post Jun 23 2010, 12:42 AM

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keep me few set... may try to do super 1~~hahahaha...after race...
szngszng
post Jun 23 2010, 01:19 AM

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i see.... so i hope budak kurus cina can make a super fast fast car with it!!!!
szngszng
post Jun 23 2010, 11:54 PM

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good 1... i like this~~~hahaha... only see the cover... pls ... do show out!!!
szngszng
post Jun 24 2010, 02:33 PM

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if the front and rear reverse... that will be good....

can said the front can't stand in the track...because it too soft...

maybe try to remain the original front bumper....


Added on June 24, 2010, 2:47 pmbtw, newly design MS pro gear 950+520+520 ball bearing

addition mirror surface which polished with tag paper...

the end product and some of it's parts....

user posted image
user posted image

share and we grown together~ nod.gif
smile.gif

This post has been edited by szngszng: Jun 24 2010, 02:49 PM
szngszng
post Jun 25 2010, 04:26 PM

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as usual, race... all silent!!! very danger !!!! takut!!!!
szngszng
post Jun 26 2010, 09:11 AM

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good luck every 1....~
szngszng
post Jun 26 2010, 10:31 AM

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QUOTE(R3Ju7Ce @ Jun 26 2010, 10:01 AM)
i'm coming over to join the fun ....brows.gif
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flex.gif flex.gif speed demon R3Ju7Ce is coming.... biggrin.gif
szngszng
post Jun 27 2010, 10:10 AM

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obviously, we must thanks David and Tamiya underground for organizing such nice event for us...

also thanks to those nice racers that willing help up to setting up the event, moving track, ad board, cleaning job... that it will never happen in other places... very good quality racers...

also not forget my mate junichi and David which share a lot of info with me...

lastly, i will post some of my research on this car soon after organize..


Added on June 27, 2010, 10:11 amvery tire.... after i am back home slept until now~~


Added on June 27, 2010, 10:13 am
QUOTE(R3Ju7Ce @ Jun 26 2010, 09:59 PM)
SZNGSZNG ... Congraton on your win today ... brows.gif told you right .... lol
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Thanks Jay.. biggrin.gif i am just damn lucky that most of the cars can't stand in the track...they are still faster...


Added on June 27, 2010, 10:28 ambtw, mini4wd, sorry i killed your motor after qualifying best time..hahaha

This post has been edited by szngszng: Jun 27 2010, 10:28 AM
szngszng
post Jun 27 2010, 07:22 PM

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>lolhalol

thanks for the memory captured~~~


Added on June 27, 2010, 7:22 pmi am damn so happy~~

This post has been edited by szngszng: Jun 27 2010, 07:22 PM
szngszng
post Jun 28 2010, 07:56 AM

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front, 3 layers of paper tag for decreasing the angle, front brake applied to decrease the speel for up slope and absorb the impact when down slope.
user posted image
rear, HG front wing to extend roller position more backward + 830 AO bearing. almost most of the screw space use to provide better stability on cornering.
user posted image
the rear roller actually absorbed most of the force, until the screw getting hardly bended. that's the reason when i am racing with yayah... the screw getting loosed.
user posted image
a gutter opened to softer the tire wall...this is the steering system i try to apply for mini 4wd since last few cars.
user posted image
front wheel gutter
user posted image
rear wheel gutter
user posted image
2 layers of paper tag inserted into the back of the motor terminal, thus to ensure the conductivity...
user posted image
previously i tried to use 8-9double roller and 830 roller to decrease the weight, however, 12-13 provide more stability and faster corner for my car, so, end up i use heavier double roller for racing...bigger roller has the advantage that crossing the joints of track...
user posted image
lateral force theory for tire, also refer:
http://www.dinamoto.it/DINAMOTO/8_on-line_...s_eng/Tires.htm
user posted image
this is the CG of the car at the front and rear, CG not only exist at up and down, it also exist at front and rear... roller position will decided the CG and it have a lot of cross relationship with tire and force absorbed by the front and rear... that's why you see the car moving forward but the rear screw bending....
user posted image

might discuss further more in future...anyhow, those are my basic understanding on my mini 4wd, you might have better ideas and knowledge, please share and we grown together~ smile.gif

This post has been edited by szngszng: Jun 28 2010, 07:57 AM
szngszng
post Jun 28 2010, 08:16 AM

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ala choy ni... i am not mean that la~~hahaha...
szngszng
post Jun 28 2010, 07:13 PM

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Tamiya Underground
B25,Basement 2 , New Wing
1 Utama Shopping Centre
03-7729 0553

Sunday~Thursday 10am~10pm
Friday~Saturday 10am~10.30pm

track, cars and part available and well organized,

only at tamiya underground...

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