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-   -   copletely re building xmod! (http://tinyrc.com/forums/showthread.php?t=18079)

2fast4u 02-06-2004 06:10 PM

copletely re building xmod!
 
ok so step one in my project is dis assebly so now i need 2 no do u need that metal peice under the electronics? i wus thinkin of savin some weight

2fast4u 02-06-2004 06:13 PM

plz help! im gonna make a miniz killer!

theMonster 02-06-2004 06:51 PM

many people have thought that too. if you succeed then you will be the first.

Silent_NightR34 02-06-2004 07:13 PM

i think you would since it acts as a heat sink for the FET's

pacificwarriors 02-06-2004 07:37 PM

Quote:

Originally posted by Silent_NightR34
i think you would since it acts as a heat sink for the FET's
well if it does that then yes

SuPrBuGmAn 02-06-2004 07:41 PM

It is a heat sink for the FETs. What else would anyone think it could be? :)

2fast4u 02-06-2004 07:48 PM

yes... but in the fet mod that part is cut out.

so y do u need it? i was thinkin of takin it out and puttin in the brown thing only

RC 2NR 02-06-2004 09:27 PM

Quote:

Originally posted by 2fast4u
yes... but in the fet mod that part is cut out.
Thats so the stacked FET's would fit.

There's easier ways to lose weight...on your XMod at least. :p

spitty12 02-06-2004 11:06 PM

Don't remove it unless you relocate or stack the fets

RedRSX 02-07-2004 12:15 AM

Quote:

Originally posted by 2fast4u
plz help! im gonna make a miniz killer!
LOLOLOL...good luck on that!:rolleyes: :rolleyes:

2fast4u 02-07-2004 02:21 AM

all carbon fiber a miniz motor 6 cells and front wheel drive will murder a miniz

spitty12 02-07-2004 03:48 AM

Why front wheel drive? AWD is by far faster. FWD is just a crutch for people who can't drive, this applies to real cars and rc.

hostyle 02-07-2004 08:27 AM

Yeah, and Im sure thats what they what thinking when they made FWD.

autodesigner: Hmm, there are too many accidents, most people cant drive. Must the the RWD. Lets make it FWD for all those who cant drive.

Must have gone somethng like that. Youre a braniac, arent you?

RC 2NR 02-07-2004 09:40 AM

Quote:

Originally posted by spitty12
FWD is just a crutch for people who can't drive, this applies to real cars and rc.
So true...:p

Yeah, just get a CF chassis and a CF drive shaft.

2fast4u 02-07-2004 01:00 PM

yea i was thinkin put in an xspeed motor

RedRSX 02-07-2004 02:18 PM

Quote:

Originally posted by 2fast4u
all carbon fiber a miniz motor 6 cells and front wheel drive will murder a miniz
Um...if you put a mini-z motor in an xmod, it isnt an xmod anymore. Just like if you put a porsche engine in a honda...its not a honda anymore. Yea its a honda body and interior, but whats important is the engine. You people and your carbon fiber...LOLOL...you people are hilarious, thinking that losing .003 grams is gonna mean anything! LOLOL. :rolleyes:

Silent_NightR34 02-07-2004 03:03 PM

Quote:

Originally posted by RedRSX
Um...if you put a mini-z motor in an xmod, it isnt an xmod anymore. Just like if you put a porsche engine in a honda...its not a honda anymore. Yea its a honda body and interior, but whats important is the engine. You people and your carbon fiber...LOLOL...you people are hilarious, thinking that losing .003 grams is gonna mean anything! LOLOL. :rolleyes:
lol.....no comment on that one...:rolleyes:


"Just like if you put a porsche engine in a honda...its not a honda anymore. Yea its a honda body and interior, but whats important is the engine."

that one really got me...:D ...ok...so lets say you take an h22 engine and put it into a 98 civic HB or even a b18c5 engine...i guess its not a civic anymore right??....actually the real important thing is mostly the chassi...(sombody correct me if they want but im pretty sure its not the engine) and you are also saying that about 10-15% of civics are not really civics... those 10-15% are civics with engine swaps and stuff like that...ah! what if you buy a b18 crate engine and put it in a teg? and one more question....what would the car be called?........................................... ..................................

SuPrBuGmAn 02-07-2004 03:10 PM

Quote:

Originally posted by RedRSX
Um...if you put a mini-z motor in an xmod, it isnt an xmod anymore. Just like if you put a porsche engine in a honda...its not a honda anymore. Yea its a honda body and interior, but whats important is the engine. You people and your carbon fiber...LOLOL...you people are hilarious, thinking that losing .003 grams is gonna mean anything! LOLOL. :rolleyes:
So by that logic, if I wind a 130 armature and stick it in a BB can what is it? The fact that its a 130 can doesn't make it a MiniZ nor an Xmod does it?

There is more to a car than its motor.

Chyrsler, Dodge, and Mitsubishi often share motors from the factory. When was the last time a Seabring has been mistaken for a 3000GT?

Your logic is flawed.

Weight isn't the only benefit from CF, the fact that its far more ridgid than plastic helps more than you'd like to realize.

Micro S2000 02-07-2004 03:43 PM

if you think about it, if the chassie is the most important thing, then when you swap out the chassie for somehting custom fabricated your not really driving an xmod, it doesnt have a name but oly thing it shares from an xmod when its finished is some what of the same layout and maybe the body

newbitowner 02-07-2004 06:18 PM

Anyone need a shorted red Supra with all stock parts?

post your email address

Silent_NightR34 02-07-2004 08:38 PM

Quote:

Originally posted by Micro S2000
if you think about it, if the chassie is the most important thing, then when you swap out the chassie for somehting custom fabricated your not really driving an xmod, it doesnt have a name but oly thing it shares from an xmod when its finished is some what of the same layout and maybe the body
ok now that makes sense...the only things that i think would be the same is most of the drive train and maybe the electronics ( maybe because they might want to swap them)


Quote:

Originally posted by newbitowner
Anyone need a shorted red Supra with all stock parts?

post your email address

how much? anyways my email is silent_nightr34@comcast.net

2fast4u 02-08-2004 02:32 PM

no no no you see that miniz owners thought that the xmod is way 2 slow maybe ill just pop in an x speed motor i was trying 2 prove that the only reason thet a miniz is faster than an xmod is the motor... every thing else doesnt seem 2 make a big differance.

4 Door LT1 02-08-2004 02:59 PM

Quote:

Originally posted by 2fast4u
no no no you see that miniz owners thought that the xmod is way 2 slow maybe ill just pop in an x speed motor i was trying 2 prove that the only reason thet a miniz is faster than an xmod is the motor... every thing else doesnt seem 2 make a big differance.
that's not true. i've got a HPI Micro RS4 180 motor in my xmod, and i'm sure i'd get smoked by a miniz

neurokinetik 02-08-2004 04:43 PM

Quote:

Originally posted by 2fast4u
no no no you see that miniz owners thought that the xmod is way 2 slow maybe ill just pop in an x speed motor i was trying 2 prove that the only reason thet a miniz is faster than an xmod is the motor... every thing else doesnt seem 2 make a big differance.
The motor is not the only reason a Mini-Z tends to be faster than an XMod. It's the simplicity of the drivetrain that makes the difference. The Mini-z has a solid rear axle that passes through 2 ball bearings, and is driven directly by the pinion gear on the motor. The front wheels rotate on fixed axles. The XMod has so much more rotating mass. The center driveshaft alone is equivalent to the Mini-Z's rear axle, and then you add on all of the dogbones and universal joints, the extra gear between the motor and differential, and the fact that the front wheels are attached to rotating axles, even in 2wd. There is alot of motor power being used to drive all of that rotating mass. I know that motors I have created for the XMods have disappointed me as a result of this, while the exact same motors make my Mini-Z so fast it is almost uncontrollable.

Carbon fibre driveshaft is a good first step on the XMods. Next thing would be to address the dogbones and u-joints. We need strength, but we also need lighter weight, as we already have too much rotating mass. I'd like to see all of the axles, U joints, and dogbones made out of titanium and/or CF, depending on the location. The next step would be to use very high-quality ball bearings, like the TRC set that is forthcoming.

Lastly, there needs to be a solution to the pinion gear problem. Having to swap motors to change gears is unnacceptable, IMO. We either need removable pinions of the correct pitch to become available, or else somebody needs to create new spur gears that would work with any of the 48 pitch gears that are widely available. Then we need a motor mount that can be adjusted so that we have more than four gear ratios to work with. (I know you can use washers to shim the stock mount, allowing a few different ratios, but this isn't exactly ideal.)

newbitowner 02-08-2004 09:16 PM

Quote:

axles, U joints, and dogbones made out of titanium and/or CF
$$$$$$$$$$$$$$$

It seems like I'm headed the right direction. I bought metal U joints and a CF DS.

I hope my dogbones won't get damaged by the metal U joints I'm going to install soon. I don't have a problem with dogbones not biting with my only mod, 6 I-C3's.

4G63T 02-11-2004 02:47 PM

Quote:

Originally posted by RedRSX
Um...if you put a mini-z motor in an xmod, it isnt an xmod anymore. Just like if you put a porsche engine in a honda...its not a honda anymore. Yea its a honda body and interior, but whats important is the engine. You people and your carbon fiber...LOLOL...you people are hilarious, thinking that losing .003 grams is gonna mean anything! LOLOL. :rolleyes:
:D :D :D
o man that's like the funniest thing i heard in my life:D :D :D

you just made my day!!!!:confused:

4G63T 02-11-2004 02:48 PM

Quote:

Originally posted by Silent_NightR34
lol.....no comment on that one...:rolleyes:


"Just like if you put a porsche engine in a honda...its not a honda anymore. Yea its a honda body and interior, but whats important is the engine."

that one really got me...:D ...ok...so lets say you take an h22 engine and put it into a 98 civic HB or even a b18c5 engine...i guess its not a civic anymore right??....actually the real important thing is mostly the chassi...(sombody correct me if they want but im pretty sure its not the engine) and you are also saying that about 10-15% of civics are not really civics... those 10-15% are civics with engine swaps and stuff like that...ah! what if you buy a b18 crate engine and put it in a teg? and one more question....what would the car be called?........................................... ..................................


yeah you got a point;)

SuPrBuGmAn 02-11-2004 06:22 PM

All I know is that all the people running SB motors aren't driving around toothbrushes.

Exaran 02-11-2004 07:28 PM

Quote:

Originally posted by SuPrBuGmAn
All I know is that all the people running SB motors aren't driving around toothbrushes.
:D HAHAHAHAHA Good call! :D

aperson 02-11-2004 07:57 PM

you could make a toothbrush into an RC car. now that would be cool. it'd look like an indy car.


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