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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/21/2011 1:04 PM   
Churron



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Status: offline 		Hey guys,

Ive been outta rc for a while and am thinking about picking up the rally as its smaller and i could probably slide it past the wife without problem. However i was wondering, how similar is the rally to the merv? are they basicly the same car with different bodies? also.... will all of the rpm merv parts fit the rally?

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/21/2011 4:13 PM   
gforce2448



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Status: offline 		All of the 1/16 Traxxas R/Cs share the same chassis and electronics but the Rally is closer to the Mini Slash as they both use the shorter A-Arms.  The only difference are body, bumper, body mounts, wheels and shocks I believe.  The Mini Revo and the Mini Summit are more alike as they have the longer A-Arms.  So to answer your question the RPM parts for the Mini Revo will not fit on the Rally, you'd have to get RPM parts that are for the Mini Slash.


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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/21/2011 7:33 PM   
Churron



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Status: offline 		excellent, thats what i needed to know! thanks gforce!

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/22/2011 1:57 AM   
J0EC00L



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Status: offline 		Well to piggy on the previous. The parts WILL fit, but you're basically turning the rally into a merv at that point. He's right, if you want to keep it as a rally, then order the parts you described forthe mini slash, since they are basically the same. But since the 1/16 platforms all share the same chassis, then everything is actually interchangeable, you'll just change the actual make up of the car/truck when you go from longer to shorter or vice versa.

Joe

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/22/2011 5:24 AM   
fastcrash



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Status: offline 		I think I will throw a Gyro on mine. It will help with the small/fast car jitters, as well as with the 'traction roll' experienced with sticky touring tires. This would be a fun chassis for a 'stock' class race at my lhs this spring..... hmmmm

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/22/2011 11:31 AM   
d.k.v



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Status: offline 		Today i was driving and my car turned off so i brough it inside and charged the battery and reconected it and turned the radio on then the car and the light on the esc goes from green to a dull flashing red.

so i changed the radio and servo for som old school non 2.4 items and the esc does the same thing.

oh and if i power the car up with out turining the transmitter on i can do all the normal mode settings and suff so the problem only occours once the radio is on

so now i know its the esc but its it a programing issue or a settings issue?

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/22/2011 1:01 PM   
brianjskora



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Status: offline 		The fact that it goes through the programs or settings with the radio off is weird. Sometimes the servo's have gone bad, causing bad feedback to the receiver... but you stated you tried a different servo right? Did you mean you changed the radio and receiver?

If you havent tried swapping the servo, just unplug it and see what happens when you turn the radio on

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/22/2011 1:05 PM   
d.k.v



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Status: offline 		i tested the stock servo on a diffrent radio and it does the same thing. so servo is the problem... opened it up and it smeels burned. its only 2 weeks old so i will contact traxxas and see what they will do

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/22/2011 1:08 PM   
brianjskora



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Status: offline 		They should replace it for you since its not a crash break, but an electronic failure- Glad you figured it out!

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/22/2011 1:17 PM   
d.k.v



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Status: offline 		do these servos have a history of just dieing?

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/22/2011 2:06 PM   
brianjskora



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Status: offline 		I havent had it happen, but I've seen others have them die. I actually like the traxxas one, I just got a few sets of replacement gears and occasionally break a tooth and put a new one in, but I've had bad luck with the other metal gear servos as they glitch with the factory radio.

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/22/2011 2:08 PM   
d.k.v



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Status: offline 		i might upgrade to twin servos like the revo and sumit just to take the strain off them

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/22/2011 4:48 PM   
crazy nick



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quote:

ORIGINAL: fastcrash

I think I will throw a Gyro on mine. It will help with the small/fast car jitters, as well as with the 'traction roll' experienced with sticky touring tires. This would be a fun chassis for a 'stock' class race at my lhs this spring..... hmmmm

Yes it would!!!! I will soooo be there.

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/23/2011 7:58 AM   
J0EC00L



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Status: offline 		Skora,

Did you ever get my PM? Also, the rally is up and running. I have the tenbol mounted, the castle 1406 premium 4-bolt 6900kv motor and the mamba max. I installed the hitec-4 slicks (very nice) and the center driveshaft.

I'm waiting to order the billet alum arms and push rods and toe links to stiffen everything up. Probably get the rpm hubs too, as they are better than alums. By the way, right now I have the 50t spur and 31t pinion installed. I can only run 2s according to castle in the premium castle 6900kv motor. After a couple laps, I realized the true power and potential of this motor. It was faster than the stock on 3s and very close to stock on 4s... Ultimately, the beauty of it was that it was cool
To the touch. Now I just need to determine the best spur and pinion combo to get the high speed runs in.

Joe.

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/24/2011 7:50 AM   
BlueShade Zero


 

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Status: offline 		Sorry in advance for incoming wall of text... I've had one of these for a couple days and after reading 6 pages of posts, alots on my mind... I'm gana just cut and paste my most prudent question up front...

I'm interesting in modding my Rally with aftermarket parts, but to my knowledge theyre kinda scattered about. How would i find a good list of parts that i can put in and interchange with my Rally? I've speculated, read, and been told that the slash and MERV parts fit, but i'm not willing to try it with out understanding all the differences and i've been told there ARE a few...

now to begin my post...

I notice not alot of people consider it for off road potential. I think that the model would do just fine TBH as long as you consider and remember that its not a 1/10th like in the nifty video some one posted of the (i think) heavily modified tamiya...

I own the Ken Block edition and am running pretty much stock on gravel - the second worst terrain for the stock tires(slicks if you didnt know). First being grass... Heres the only issues i see thus far...

While in gravel, the already slippery tires are just horrible, but not uncontrollable. I've got mini slash tires ordered at my LHS and i'm certain that it will fix that issue. If i'm right they should fit and are already designed for on/off road performance... Surprised no one discussed this while talking about tires. If it was brought up i apologies, and if i'm wrong please correct me before i waste my cash.

The next i see is that the stock maximum ride height is perhaps too short for grass. The nose end will dig in and stop it pretty hard if it hits a dip or tall stuff, but looking at the schematic i believe theres a long plastic piece inside the suspension that is preventing it from extending all the way. I'm going to buy a SECOND set and remove them... If it works, great, but naturally faster, smoother conditions would require a lower ride and thats why i'll be using the spares so i wont have to rebuild them every time i wana switch.

EDIT Problem 3, and probably the biggest one...
Rocks are getting stuck into the servo saver (i think its called)... The little Y shaped bit that the servo push and pulls on? Rocks are getting crammed between the plate and the Y shaped plastic bit causing it to either reduce my steering, or bind up completely. Its like theres a PERFECT amount of space between the plate and steering mechanism for the smallest rocks to get into, about a 1mm gap i'd guess. Sometimes a big one will get in upfront, in the > bit and basically lock out my ability to turn that direction. This i'm clueless to fix.

Lastly, theres something lame i've noticed (that happened with my old rc too) that rocks and sand get INSIDE the tire, causing a centrifugal effect. In 3 runs, its bad enough where the tires will vibrate VERY noticably, and i think its throwing the handling WAY off... Help? I dont wana remove and re-seat the tires...

If i'm right again there a plastic piece in the "lid" of the shock that keeps it from compressing all the way. For jumps this would NEED to change, as even right now the body would slap the ground, and any one who's practiced in jumps knows thats a bad thing... Having it hit the end of the cap isnt the best thing, but i'd rather blow shocks then snap my chassis... I'm thinking a rubber O ring would help to cushion it abit and reduce damage.

This thing should be able to handle the dirt like a pro, with the right tires and tunings. Its got a very wide wheel base (200mm some one measured if i read right) and very good travel on the suspension. The biggest problem is that it has to change to do what its named for...

I've got some good experience with RC's... Especially drifting. I'm not a top notch pro, though i considered my car to be elite quality. I also happen to have built a very well tuned race spec RC... That being said, i know what each should feel like, and the Rally out of the box is a half assed combination of both... It does both and is actually good at neither, which is whats putting people off about it.

Its most apparent when your trying to approach higher speeds. I'd describe it best as that it has traction, until it just doesnt, then you have none. The tires stick until they slip, and its very difficult to pull it back straight before you lose it... I run parallel at the moment because the way i see it, series would be high speed suicide with stock tires. Even with grip tires, the car sits too high as is to safely go 50mph, and dropping it would leave it soft and floppy, letting it throw side to side while turning... again bad for high speed...

This being mentioned, can any one recommend a fix? I'm thinking of another, third set of suspension for high speed. and tweeking where the rod sits inside the shock body, then running hard springs... Maybe i'll run a shorter shaft all together if i can find one...

I'll stop here since its like midnight and i could run on for hours in my half sleepy trance... Hope enough people skim it to offer reasonable feedback...

Thanks.


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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/25/2011 6:18 AM   
J0EC00L



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Status: offline 		Blue shade,

I will attempt to address some of your issues and queries. I have modified my rally with a larger 1/10 scale motor that provides ample power while keeping tempsmnice and low. I'm pushing the castle 1406 premium 6900kv 4 bolt motor with a mamba max pro esc. My suspension is stock, and I feel your complaints about it's ability to handle at higher speeds. Which, is why I plan on putting some alum suspension parts on it - one for weight over plastic, two for adjustment options, three for possible tightness and reduction in slop, and four for potential cool looks. I'm not a fan of alum parts, but that is in reference to the merv or a bashing offroad r/c.

The rally does have trouble handling at higher speeds, especially with the stock tires. I have installed the Traxxas hitec 4 rubber slicks, and they help alot on the road. Because the weight of the rally is so light, I think that adds to the high speed troubles, coupled with the low traction stock tires. The better traction tires may provide better performance with a better tuned suspension and weight.

If you're looking for interchangeability, the mini slash is going to be your best match. They both share same suspension, aside from shocks, so I've read. But if you want an onroad/offroad rally car, you would have been better off getting a mini slash. They are great offroad trucks that can also be great onroad with the right tires. Your idea to use slash tires on the rally is Let me know how the slash wheels work out.

Joe

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/25/2011 3:12 PM   
Matt_M


 

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/25/2011 4:24 PM   
domizgood


 

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Status: offline 		hi guys

iv started a new thread called OFFICIAL MINI BLING CAR THREAD its about blinging up your cars so feel free to post any pics and vids

cheers dom

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/25/2011 9:14 PM   
Matt_M


 

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/26/2011 3:34 AM   
J0EC00L



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Status: offline 		Ha ha ha. Well, who looks at anything "un-official"?

We gotta make it appear legit!

Joe 

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/26/2011 7:38 AM   
Matt_M


 

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Status: offline 		This is my official "works" shock assembly on the Rally. Mwewhahaha



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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/26/2011 2:50 PM   
J0EC00L



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Status: offline 		oooh,

I really like those shocks! How much and who has best price on them MATT?

By the way, here's the rally with the Big Motor mount and the new 4 Pole brushless 6900kv motor!

I spoke with Castle techs directly today - Great news about these 1406 premium motors. BEcause we've installed them into an R/C that is over 2 times lighter than the intended platform, i can run just about any pinion/spur gear combination. As long as i monitor temps, i'll be fine. They recommended to keep it below 200, but the motor is capable of sustaining temps in that range, due to the craftsmanship of the motor. So far, i've been around 108 and 111 on the motor. The esc has been about 115 to 120 - that is all on 2S; as the motor is not rated for higher than 2S. It probably can handle it, but why chance it? I'm getting over 50mph on 2S with very low temps in the rally using 31T pinion and 50T spur. My next step is to decide on whther i should change the spur before trying a bigger pinion on the rally. someone has to know a few combos i could try? Should i go with a 45T spur, keeping the pinion at 31? Or go with an even larger pinion?

ahhh. the choices i have in abundance at this moment!

All i can say, is that if you want some serious efficiency without the hassle of worrying about motor and esc temps that much, get one of these motors! They are truly worth their weight in gold! I'll post some vids of it running on 2S when the weather brightens up and i can get to an open parking lot. The neighborhood street isn't a true testament to the power this motor puts out!

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/26/2011 9:25 PM   
Matt_M


 

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ORIGINAL: J0EC00L

oooh,

I really like those shocks! How much and who has best price on them MATT?



Hmm, I really don't know how much they cost. I ordered 2 bags of Traxxas rebuild kits for their GTR shocks, then I ordered (4) Traxxas shock shafts that are Ti coated gold, (2) of upgrade kit BLK VXS15601, and finally (2) of VXS15502 shock bodies with red caps.

They look sexy.

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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/27/2011 10:35 AM   
Matt_M


 

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ORIGINAL: J0EC00L

Should i go with a 45T spur, keeping the pinion at 31? Or go with an even larger pinion?

ahhh. the choices i have in abundance at this moment!



It doesn't matter. You can do whichever you want to get to the gear ratio you need. You have to decide if you need something more out of your current gearing; if it is not doing something you completely enjoy. If you change the spur, you have a chance to ditch the plastic spur for a steel one.

I am running a 43 tooth spur with a 47 tooth pinion. But my motor will be about twice the size as the one in your car. The only holdup right now is a speed control for me, which might end up being a helicopter or boat ESC. The build above is simply to set a speed record on video at over 100MPH. Hope to get well above that. The car will likely be destroyed with the amount of power on 8S lipo and total weight if it can't be slowed back down safely...batteries thrown, wires ripped. But it's all in the name of fun. Sometimes fun costs money.


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RE: OFFICIAL TRAXXAS RALLY VXL THREAD!!!!! - 1/27/2011 3:30 PM   
merx9


 

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Status: offline 		Joe, was that a direct drop in? or was there some modding for that to fit in?

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