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

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szngszng
post Sep 19 2010, 08:53 AM

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moving faster or not might depend on motor and batteries....lighten the car by using this force may improve the motor efficiency...so use less batteries and no need to cut off a lot from the chassis...

when david talk about this idea last time, we bring several cover to test...

we stick the cover on the scale, start the small pc fan... 6~7g lifting force for avante cover....

it just a small experiment, it might consist error...so who have the scale at home, you can have a try...
choycp
post Sep 19 2010, 11:06 AM

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Guys...let's play super technical track. Why so obsessd with speed?

Different covers have different effect. U have to try all of them to know the differences.just looking at them and coming up with theories just won't cut it.

For me cars with smaller diameter is easier to set for jumps. Large diameter is suitable for speed. BUT whatever it is, I have been proven wrong by the sifus here a lot of times.
KeithKW
post Sep 19 2010, 01:54 PM

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QUOTE(szngszng @ Sep 19 2010, 01:27 AM)
i think is better to do aerodynamic for decreasing air resistance when moving forward... however, i don't think aerodynamic producing down force will suitable for mini 4wd( speed car).

1. F1 need it for corner, because F1 using steering to turning corner... mini 4wd using track to turn, so why mini 4wd need downforce to corner??

2. if you study more, you will know aerodynamic might produce downforce, over done will slow down the F1 car on straight...do you think you wan't your mini 4wd to slowdown on straight?

3. racing is all about balance....

4. i actually let my car high let the air go into the bottom...also, the cover actually produce lifting force, in this case, i no need to cut a lot from my car... the lifting force help to reduce the weight...and i can maintain my car strengh...

If you talk about aerodynamic for mini 4wd, i think this is better and more useful for mini4wd... speed car only... jump car might be diff story...
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haha my bad i'm like more referring to technical type... cuz we want to jump properly during jumps... for speed without jumps of cuz we dun use dowforce cuz it will slow the car down, more better we find a way to make the car cut through the air(aerodynamic)...
erm how does the cover produce lifting force?? first time hearing this, mine to explain a little more detail? notworthy.gif

QUOTE(choycp @ Sep 19 2010, 11:06 AM)
Guys...let's play super technical track. Why so obsessd with speed?

Different covers have different effect. U have to try all of them to know the differences.just looking at them and coming up with theories just won't cut it.

For me cars with smaller diameter is easier to set for jumps. Large diameter is suitable for speed. BUT whatever it is, I have been proven wrong by the sifus here a lot of times.
*
haha thats why most of the cars i see using medium size.. not too big not too small, for technical la but for speed all hentam super large only...
szngszng
post Sep 19 2010, 07:01 PM

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wahahaha... hope to see many many jump pros coming weekend...

what car should i do? i have no idea yet....hmmm...

hope can test car before race....
TSsonic_cd
post Sep 19 2010, 09:54 PM

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QUOTE(szngszng @ Sep 19 2010, 08:53 AM)
moving faster or not might depend on motor and batteries....lighten the car by using this force may improve the motor efficiency...so use less batteries and no need to cut off a lot from the chassis...

when david talk about this idea last time, we bring several cover to test...

we stick the cover on the scale, start the small pc fan... 6~7g lifting force for avante cover....

it just a small experiment, it might consist error...so who have the scale at home, you can have a try...
*
easisest way to describe it , would be an aeroplane wing . when wind blows over it , you get your flying aeroplane. flip the wing upside down , you get downforce(and crashing plane. lol ) . lol
szngszng
post Sep 19 2010, 11:35 PM

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QUOTE(sonic_cd @ Sep 19 2010, 09:54 PM)
easisest way to describe it , would be an aeroplane wing . when wind blows over it , you get your flying aeroplane. flip the wing upside down , you  get downforce(and crashing plane. lol )  . lol
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i got a book only talk about airplane's wing...but it's in chinese...if you interested ... i can bring it to you


Added on September 20, 2010, 12:12 amSuper 2 spy pic~~
user posted image
enjoy~~ biggrin.gif

This post has been edited by szngszng: Sep 20 2010, 12:12 AM
lolhalol
post Sep 20 2010, 12:35 AM

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i wan to see the back of the car.. hehe.. but so far look like a sp1vs hybrid. lol
LanEVOchris
post Sep 20 2010, 12:43 AM

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*removed due to pic cant load lol*

This post has been edited by LanEVOchris: Sep 20 2010, 05:36 AM
TSsonic_cd
post Sep 20 2010, 01:39 AM

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QUOTE(szngszng @ Sep 19 2010, 11:35 PM)
i got a book only talk about airplane's wing...but it's in chinese...if you interested ... i can bring it to you


Added on September 20, 2010, 12:12 amSuper 2 spy pic~~
» Click to show Spoiler - click again to hide... «

enjoy~~ biggrin.gif
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nice, the rear bumper looks very interesting
szngszng
post Sep 20 2010, 05:13 AM

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fantastic.... biggrin.gif
TSsonic_cd
post Sep 20 2010, 05:37 AM

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hehehe tongue.gif
szngszng
post Sep 20 2010, 05:46 AM

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the mouse look scary...


Added on September 20, 2010, 5:55 amWITH THE RED EYES.....SCARY....

This post has been edited by szngszng: Sep 20 2010, 05:55 AM
lolhalol
post Sep 20 2010, 10:36 AM

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QUOTE(sonic_cd @ Sep 20 2010, 06:37 AM)
user posted image
hehehe tongue.gif
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hahah finaly u get to use the leds.. lol.. power of DAISO. lol
KeithKW
post Sep 20 2010, 10:47 AM

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QUOTE(sonic_cd @ Sep 20 2010, 05:37 AM)
user posted image
hehehe tongue.gif
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LOL demon posses mouse
szngszng
post Sep 20 2010, 10:52 AM

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please welcome my new crew. welcome on board!!! biggrin.gif
junichi_nonis
post Sep 20 2010, 11:23 AM

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cant wait for this week's race..
szngszng
post Sep 20 2010, 11:34 AM

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QUOTE(junichi_nonis @ Sep 20 2010, 11:23 AM)
cant wait for this week's race..
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i tot you can't wait for super -2 biggrin.gif
madeywa
post Sep 20 2010, 11:45 AM

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QUOTE(junichi_nonis @ Sep 20 2010, 11:23 AM)
cant wait for this week's race..
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me also can't wait for this weekend.

jeng jeng jeng
junichi_nonis
post Sep 20 2010, 12:04 PM

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QUOTE(szngszng @ Sep 20 2010, 11:34 AM)
i tot you can't wait for super -2  biggrin.gif
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tat is for sure.. but one thing at a time.. concentrate on this 1st..

however, nt putting any hopes onto it coz i sucked in technical track..
szngszng
post Sep 20 2010, 12:12 PM

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enjoy the race... for fun...hahahaha

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