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HPI SAVAGE 14MM HEX HUB WHEEL EXTENSIONS - RTR
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The noobie section - 8/9/2003 7:51:48 PM   
SpoonAvenger



Posts: 172
Joined: 6/24/2003
From: Winter Park, FL, USA
Status: offline
[QUOTE]Originally posted by blixelX
when or in what situation we use soft/ medium/ hard damper oil...??? [/QUOTE]

Just an average rule of thumb. Go about as hard as you can to reduce chasis roll. However, to hard will make you have less traction and slide. Find a happy medium. If you find yourself having less traction, sliding, etc. on some track conditions, going to a softer setup is sometimes helpful, or sticker tires depending on the situation. I usually dont mess with the oil that much, as its easier just to change the springs. I use whatever the stock oil is that came with my TC3 (40 or something i think?) and just change the springs as needed, currently I have reds on the front and Golds on the back.

So anyway, generally, harder = less steering, less chasis roll (which is bad), softer = more steering, less likely to slip or slide (but more likely to dig in and have accessive roll if over done.

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"Strong bad, I gotta level with you, that might have been the worst $3000 i ever spent"~Homestar

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       Post #: 276

The noobie section - 8/10/2003 12:28:13 AM   
ferrari_turtle


 

Posts: 23
Joined: 7/29/2003
From: Poole, UNITED KINGDOM
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Cant do camber on my car. Is there any other way to make tyre wear more even

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       Post #: 277

The noobie section - 8/10/2003 1:10:50 AM   
SpoonAvenger



Posts: 172
Joined: 6/24/2003
From: Winter Park, FL, USA
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[QUOTE]Originally posted by ferrari_turtle
Cant do camber on my car. Is there any other way to make tyre wear more even [/QUOTE]

Do what i told you about rotating tires!

_____________________________

"Strong bad, I gotta level with you, that might have been the worst $3000 i ever spent"~Homestar

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       Post #: 278

The noobie section - 8/10/2003 11:50:06 AM   
ferrari_turtle


 

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From: Poole, UNITED KINGDOM
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Yea...its not thet simple...one of the tyres completly exploded yesterday. The tyre came off the wall. I got more better slicks but what i was thinking about was using foam inside the tyres? can this be done and how. (i will rotate the tyres when neccary) Thanks.

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       Post #: 279

The noobie section - 8/11/2003 5:35:40 AM   
blixelX


 

Posts: 12
Joined: 8/2/2003
From: Singapore, SINGAPORE
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hi, i just bought a set of sorex tires... when i was doing a cornering, the car will roll (flip over)... I am driving tb01... any suggestion can solve this problem?

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       Post #: 280

The noobie section - 8/12/2003 8:34:11 AM   
SpoonAvenger



Posts: 172
Joined: 6/24/2003
From: Winter Park, FL, USA
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if by using foam inside the tires u mean inserts, yes, these are a must for racing! Mostly for performance issues rather than durablility though i thought. There are the cheap foam ones that come with most tires, and there are better harder rubber compound ones available also. And rotating after 3-5 runs usually makes it so the tires wear more evenly, and the same on all 4 tires, so dont wait till u can see bad wear to rotate, as by then some tires may be to far gone.

_____________________________

"Strong bad, I gotta level with you, that might have been the worst $3000 i ever spent"~Homestar

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       Post #: 281

The noobie section - 8/12/2003 11:35:55 AM   
24_bikes


 

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From: Australia
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i was stupid the other night, i thaught i would glue my 2 front tires coz i was bored and i hadnt done it yet. and i put one foam insert in the night b4, but not the other one, i planed to do it some other time. so i glued the 2 tires using SUPER SUPER glue. and then relised i dont have foam in one hmm, would that affect it by a considerable amount?

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       Post #: 282

The noobie section - 8/16/2003 8:25:16 AM   
haispeedRaCer


 

Posts: 55
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From: Lake Park, FL, USA
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hey guys..noob here..i was wondering what it means when a receiver has 2-channels?does that mean if i had another car with the same frequency that i could just change the "Channel" and run both at the same time..or would i have to change to a different crystal?thanks in advance for any replies..

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       Post #: 283

The noobie section - 8/17/2003 8:46:43 AM   
SpoonAvenger



Posts: 172
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From: Winter Park, FL, USA
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Ok two channels does not mean u can run two cars at once. the throttle is one channel, the steering is the other. So your not really changing the channel of the car. However, often people refer to the frequency your on (crystal frequency) as channel, so i can see how it could be confusing to a new commer. To run two cars at once you wouldnt have to change the crystal, jus the reciever. and when i say at once, i dont mean AT ONCE, rather, the same radio with different cars. The radio will control all cars on that frequency, so theoretically you could control 2 at once, but ... it wouldnt work out pretty. Changing the crystal allows u to run with other people. For instance if your buddy is on frequency 84, and your on frequency 70, then you can both run at once, without controlling each others cars. For racing, since 10 people run at the same time, you need to have several cyrstal choices so that you can chance to avoid frequency conflicts....which is the main reason u can change them..

If i need to clarify that, tell me, i know its kinda rambly...ask specific questions if possible of what you need cleared up, hope that helped some!

and 24_bikes, running one tire with an insert, and one without, probably wouldnt work out to great, at least not if you were racing, if your just playing around, then you probably wont car all that much.

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"Strong bad, I gotta level with you, that might have been the worst $3000 i ever spent"~Homestar

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       Post #: 284

answer a ? for me - 8/17/2003 4:25:11 PM   
AirJake74


 

Posts: 15
Joined: 6/29/2003
From: Tulsa, Oklahoma
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i know this is probably goofy but is there a difference between 27 and 72 mhz radios? i noticed a price difference and all and was wondering if there are pros or cons....just getting started with a roller and stuff and am to the electronics part, and figured id get a radio before an esc naturally, but dont want to mess up and get something i cant use or something, thanks in advance

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       Post #: 285

The noobie section - 8/18/2003 4:26:08 AM   
SpoonAvenger



Posts: 172
Joined: 6/24/2003
From: Winter Park, FL, USA
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Theres not a big difference between 27mhz Band and 75mhz Band in terms of operation/using the radio. U usually see 27's in RTR's, because there are only 6 frequency's for them to stock that way. As just said, there are 6 different frequencies availible on the 27 band, while there are about 30 or so on the 75 band. Most ground racers use 75 mhz band where I live, and I assume in the US too, if that means anything to you. Different bands are often set up for different radios. For instance, rc airplane radios use a different band than the ground stuff our cars use.

_____________________________

"Strong bad, I gotta level with you, that might have been the worst $3000 i ever spent"~Homestar

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       Post #: 286

The noobie section - 8/18/2003 7:31:28 PM   
Me+RC=$$$



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From: glendale, AZ, USA
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Yea, 75mhz is much more common. I can't remember for sure what it was, but most everything like CB's and stuff use 27mhz, so it's a little bit more glitchy, not much though. I have an Airtronics CS2P on 27 mhz and it's is good in a way because most people at the track use 75mhz, so there is a better chance someone won't be using the same crystal as you, which can save some $$$.

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*~FT TC3~Novak XXL~Novak TC2~Airtronics CS2P~Airtronics 94755 digital servo~Reedy MVP~*

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The noobie section - 8/18/2003 7:32:59 PM   
Me+RC=$$$



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From: glendale, AZ, USA
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Oh, and as for the glued tire problem, try boiling the wheel. The glue should come apart and you should be able to take the tire off.

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The noobie section - 8/18/2003 11:45:56 PM   
gmac4826



Posts: 1068
Joined: 6/14/2003
From: Northeast, OH, USA
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for un gluing tires i heat the oven to 350 for 10 min then shut it off. then i put the tires in. the smell is a little worse than boiling though


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       Post #: 289

Re: answer a ? for me - 8/19/2003 12:11:46 AM   
Unstable



Posts: 1606
Joined: 2/7/2002
From: South Bound Brook, NJ, USA
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[QUOTE]Originally posted by AirJake74
i know this is probably goofy but is there a difference between 27 and 72 mhz radios? i noticed a price difference and all and was wondering if there are pros or cons....just getting started with a roller and stuff and am to the electronics part, and figured id get a radio before an esc naturally, but dont want to mess up and get something i cant use or something, thanks in advance [/QUOTE]

the american RC frequencies are devided up into "bands"

you have 27 72 75 50

27 is the band that most RTRs and radioshack/kmart cars come in. it is also the band that RTF planes like the firebirds use. you can run both surface and air RCs on this band this consists of channels A1-A6 and they are color coded (brown red orange yellow green and blue)

72 is the "aircraft" band. you are not allowed to run a car or other "surface" RC on this band under penalty of law (No, I am not kidding, its the FCC regulations and there are reasons for it) this is channels 11-60

75 is the surface band. boats and cars run on this band. as with 72 you CAN NOT run aircraft on this band. this is channels 61-90

50 is the "ham" band. this is used for both surface and air but you need a "ham licence" (I forget the excact one you need) to run on this. this is channels 00-09

now a "channel" as in frequency is like a radio station. the TX(transmitter) is tuned to broadcast on that channel and the RX(reciever) is tuned to the same. a typical channel for cars might be 75.430 MHz which is channel 62.

now almost every one of those channels is available in AM and FM. this is the same AM and FM as your radio in the car. AM (or amplitude modulation) is cheaper to make so is alot more common. but if you ever listen to an AM radio you know its full of interference. FM (or frequency modulation) although a bit more in cost gets better reception this is one of the many cases of "getting what you paid for"

if you have a FM transmitter you need a FM reciever.

A newer trend in the car market (its been a while in the planes) is PCM (pulse code modulation) this is an FM signal digitized. a digitized signal is much easier to "pick out of the air" then normal analog signals. this make for even better reception. also it allows error checking so that an errant signal doesnt cause a glitch or twitching as any random noise will be discarded by the RX. it also has a failsafe feature built in allowing you to program the car to apply the brakes if your radio fails. but this is costly.


as for a "2 channel" reciever?

this is just how many servos (or speed controls) you can hook up to it.

usually channel 1 is steering channel 2 is throttle/brake. channel 3 on some gas cars (like the savage and the t-maxx is reverse or on the e-maxx is the manual gear change.

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Unstable Boy

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The noobie section - 8/19/2003 6:34:19 AM   
bballer



Posts: 30
Joined: 7/30/2003
From: Rochester, MI,
Status: offline
Hey, i'm kinda sorta a newbie so hi everyone. I have a xxx-s and it is a great car. the problem is that my dually esc doesn't fit in the space provided. if i switch the reciever and the esc (they both fit there) will it cause any problems? Thanks and btw does anyone know of any good aftermarket parts for the xxx-s besides the ones from losi? Later,
~bballer

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