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Old 06-15-2012, 09:17 AM   #3256
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It's the 417. The Car has more flex than i have seen on a car (even the 416 is rigid compared to it). It took a while to get the set-up sorted but now my car is really planted and I get fastest lap pretty much every week. At our club the racers after getting a trf have bought the 417 over the X.

I also do not use additive. I run 13.5 on a tight circuit.
Interesting. I wonder if the stiffness is really that much different between the two.

I run light sauce to compensate for cold tires. The track is literally soaked in sauce. Its a track that has been open for 2 or so years and the layout or carpet has never been changed. I am sure you can imagine there are sections that are stained by rubber and additive.

Due to my driving style (a little twitchy, late braking and hard acceleration) I think i would benefit from the added flex. I will need to lean into those corners a little better...
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Old 06-15-2012, 10:16 AM   #3257
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When you move wheelbase at both ends of the car at the same time (assuming an equal amount) the weight distribution changes on the car. This is usually done to affect the tipping point or center of weight shift.
This was the answer to the question that I incorrectly asked for. I guess I need to better understand the impact to handling if the tipping point and/or center of weight shifts front to rear or vice versa. Thanks!
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Old 06-15-2012, 11:33 AM   #3258
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This was the answer to the question that I incorrectly asked for. I guess I need to better understand the impact to handling if the tipping point and/or center of weight shifts front to rear or vice versa. Thanks!
A car with more front bias will be easier to drive and opposite for the rear.
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Old 06-15-2012, 02:26 PM   #3259
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Hey guys. Just to let everyone know. Tamiya is releasing a new chassis and upperdeck for the TRF417x. They are meant for high bite. The part #s will be loaded to the TamiyaUSA site in a few weeks with parts scheduled to arrive in July. Here is the info I recieved:

Items:
42232 RC TRF417X Lower Deck 2.5mm Thick
42233 RC TRF417X Upper Deck 2.5mm Thick

Happy Racing
Anyone know if they will sell a kit with these pieces or is it just going to be an option part? Tamiyausa hasn't replied to the 3 emails I have sent.
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Old 06-15-2012, 05:57 PM   #3260
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Anyone know if they will sell a kit with these pieces or is it just going to be an option part? Tamiyausa hasn't replied to the 3 emails I have sent.
I think the 2.5 lower and upper deck will be a option if you run on carpet
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Old 06-16-2012, 07:56 AM   #3261
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I think the 2.5 lower and upper deck will be a option if you run on carpet
this definately looks like an avenue i am going to explore. Something I hope to know soon is if the 2.5 will be a part of a complete TRF417x kit. hopefully not a $100 option.
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Old 06-16-2012, 08:01 AM   #3262
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Originally Posted by silverhkswrx View Post
this definately looks like an avenue i am going to explore. Something I hope to know soon is if the 2.5 will be a part of a complete TRF417x kit. hopefully not a $100 option.
The 2.5 chassis will never be part of the standard kit. It will always be an option part. The Tamiya 417x is a high performance car designed for paved surfaces. It is not a carpet car, however people have had good luck running it on carpet and higher bite surfaces. I would not be surprised if you see the tamiya boys run this new chassis at TITC next year, due to the amount of grip at that track.
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Old 06-16-2012, 08:53 AM   #3263
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The 2.5 chassis will never be part of the standard kit. It will always be an option part. The Tamiya 417x is a high performance car designed for paved surfaces. It is not a carpet car, however people have had good luck running it on carpet and higher bite surfaces. I would not be surprised if you see the tamiya boys run this new chassis at TITC next year, due to the amount of grip at that track.
hmm... true... I may be selling a brand new 2.25mm lower deck then...
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Old 06-16-2012, 12:48 PM   #3264
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hmm... true... I may be selling a brand new 2.25mm lower deck then...
you could always run the CSO 2.5MM chassis
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Old 06-16-2012, 01:02 PM   #3265
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Hello, it wanted to know how as to regulate the stabilizer bars, so that both arms of the suspension raise equal.

Thanks. Best Regards.
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Old 06-17-2012, 03:00 AM   #3266
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Ok guys I run my 417x for the first time today all I can say is wow it was a night and day from my TC6... Car is very predictable and easy to drive on MOD... I pretty much use my own setup the way I like it and it was spot on car was dialed.. I did run a short wheelbase due to our track is smaller and technical on summer season due to we race at night and lighting is an issue...

I found with a shorter wheelbase car rotate and hug the corner like nothing else but it's a little twitchy on exit I'm going to make my wheelbase just a a little Longer and should perfect..
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Old 06-17-2012, 03:07 AM   #3267
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Originally Posted by Guillermito View Post
Hello, it wanted to know how as to regulate the stabilizer bars, so that both arms of the suspension raise equal.

Thanks. Best Regards.
  1. set droop even both sides
  2. detach shocks
  3. flip car upside down
  4. hold one arm against the droop screw and the other side drop
  5. repeat holding the other arm against the droop screw
  6. if one arm drops more than the other then adjust the link until they are even - lengthen the side that drops more or shorten the side that drops less
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Old 06-17-2012, 03:40 AM   #3268
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Hey guys, I have a question to the guys owning an TRF417 or TRF417x. Please can you measure the distance between the top level of the lower chassis plate and the upper level of the upper bulkhead.

The picture visualizes the distance I'm interested in.

Thanks in advance!
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Tamiya TRF417-trf417x.jpg  
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Old 06-17-2012, 03:49 AM   #3269
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Originally Posted by CraigM View Post
  1. set droop even both sides
  2. detach shocks
  3. flip car upside down
  4. hold one arm against the droop screw and the other side drop
  5. repeat holding the other arm against the droop screw
  6. if one arm drops more than the other then adjust the link until they are even - lengthen the side that drops more or shorten the side that drops less
Thanks Craig

remember you showing how to at MMM, but couldnt remember. Just got it sorted on the new 417X just finished building, and cant wait till Tues night to give it a run
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Old 06-17-2012, 04:10 AM   #3270
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Originally Posted by EvoFreak View Post
Hey guys, I have a question to the guys owning an TRF417 or TRF417x. Please can you measure the distance between the top level of the lower chassis plate and the upper level of the upper bulkhead.

The picture visualizes the distance I'm interested in.

Thanks in advance!
29mm

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Originally Posted by mingnon View Post
Thanks Craig

remember you showing how to at MMM, but couldnt remember. Just got it sorted on the new 417X just finished building, and cant wait till Tues night to give it a run
no problem, kit setup will be quite good for 21.5 but if you need any help otherwise let me know
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