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Tamiya TRF417

Old 08-30-2011, 05:18 AM
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Default have you guys tried front gear diff with putty?

as the title says:

have you guys tried front gear diff with putty?

what was your experience?
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Old 08-30-2011, 07:02 AM
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Originally Posted by tmomedrano
as the title says:

have you guys tried front gear diff with putty?

what was your experience?
The kneaded putty front gear diff is great on asphalt. Suggest changing the putty after 40 or so runs. The putty doesnt break down but does become a smoother in texture. Imagine keeping any material in a mixer for too long. It will start of smooth-out. Not a big difference but will change the car feel.

Havent ran the putty yet on carpet but expect to have some feedback there by the end of this weekend. Usually keep a 300-500K gear diff and putty diff on hand.
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Old 08-30-2011, 07:45 AM
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In my experience so far....

Indoor, on a tight and twisty track with high grip, gear diff in the front (putty or 500K oil) was faster than a spool, more than anything because steering is king. The car also carried better mid-corner speed, not washing out, so basically gained back from entry to middle more than it lost on exit..

However, outdoors, on a much larger and more flowing track, spool is still faster. Mainly thats down to drive off the turn. Quite simply, can't beat a spool for drive. Yes it steers less, but the corners aren't as tight, and the laptimes don't lie...

Hence why I wouldn't say one is the magic ticket... you need to try both sorts out, and see which best suits your style/track.

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Old 08-31-2011, 08:25 AM
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Originally Posted by TryHard
In my experience so far....

Indoor, on a tight and twisty track with high grip, gear diff in the front (putty or 500K oil) was faster than a spool, more than anything because steering is king. The car also carried better mid-corner speed, not washing out, so basically gained back from entry to middle more than it lost on exit..

However, outdoors, on a much larger and more flowing track, spool is still faster. Mainly thats down to drive off the turn. Quite simply, can't beat a spool for drive. Yes it steers less, but the corners aren't as tight, and the laptimes don't lie...

Hence why I wouldn't say one is the magic ticket... you need to try both sorts out, and see which best suits your style/track.

HiH
Ed
totally agree!
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Old 08-31-2011, 11:28 AM
  #1850  
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Originally Posted by TryHard
In my experience so far....

Indoor, on a tight and twisty track with high grip, gear diff in the front (putty or 500K oil) was faster than a spool, more than anything because steering is king. The car also carried better mid-corner speed, not washing out, so basically gained back from entry to middle more than it lost on exit..

However, outdoors, on a much larger and more flowing track, spool is still faster. Mainly thats down to drive off the turn. Quite simply, can't beat a spool for drive. Yes it steers less, but the corners aren't as tight, and the laptimes don't lie...

Hence why I wouldn't say one is the magic ticket... you need to try both sorts out, and see which best suits your style/track.

HiH
Ed
Are you using 500k oil from traxxas? What kind of puddy do you recommend?

So far I have been unable to get a front gear diff to work well. I would be interested in trying it out with the thicker solutions inside.


Will want to try this out in Vegas...
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Old 08-31-2011, 09:18 PM
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Originally Posted by TheZoof
Are you using 500k oil from traxxas? What kind of puddy do you recommend?

So far I have been unable to get a front gear diff to work well. I would be interested in trying it out with the thicker solutions inside.


Will want to try this out in Vegas...
I'm using Kyosho 500K, seems to be one of the only ones can find. Can also use the aforementioned putty, and OFNA Diff-Lock fluid is something else I would like to try out at some stage.

HiH
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Old 08-31-2011, 11:55 PM
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how much imporve on this kit compare to 416x? i was using xray but they change every yr! really hard to keep up update my kit!
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Old 09-01-2011, 01:05 PM
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Originally Posted by TryHard
I'm using Kyosho 500K, seems to be one of the only ones can find. Can also use the aforementioned putty, and OFNA Diff-Lock fluid is something else I would like to try out at some stage.

HiH
Ed


Ed,


OFNA diff lock works great! I've used it multiple times with great success. At first the diff is a bit tight, but once it breaks in; the consistency is held for a long time.....takes a lot to break down!
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Old 09-02-2011, 12:57 AM
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Default TRF417 at All Japan Nationals

More @ http://kentech.blogs.se/

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Old 09-03-2011, 09:10 AM
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Default Updated version with Gear Diffs

For those that are still looking they just received 2 more kits
http://www.superiorhobbies.com/istar...id=TAM42200!SH
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Old 09-03-2011, 12:24 PM
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.

Last edited by transplantlife; 09-04-2011 at 02:24 PM.
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Old 09-03-2011, 10:32 PM
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Originally Posted by kentech
Saw the pics.... check out the motor mount, that's no re-drilling of an original piece... pretty sure thats a two-piece prototype

Chassis plate is new too, extra triangular cuts on the inside edge of the cells give that away, as well as the cuts behind the suspension mounts.
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Old 09-04-2011, 01:29 AM
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Originally Posted by TryHard
Saw the pics.... check out the motor mount, that's no re-drilling of an original piece... pretty sure thats a two-piece prototype

Chassis plate is new too, extra triangular cuts on the inside edge of the cells give that away, as well as the cuts behind the suspension mounts.
Yes, new split middle bulkhead/ motor mount. And I belive on the chassis the cutout under the front diff/spool also extends further back. The car also has the same damper mount balls used at the worlds last year.

We're probably looking at the TRF417(?) to be displayed at the Tokyo Hobby Show in October, hence the reference to "the latest-spec TRF417" in the Tamiya text...
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Old 09-04-2011, 01:37 AM
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Originally Posted by kentech
Yes, new split middle bulkhead/ motor mount. And I belive on the chassis the cutout under the front diff/spool also extends further back. The car also has the same damper mount balls used at the worlds last year.

We're probably looking at the TRF417(?) to be displayed at the Tokyo Hobby Show in October, hence the reference to "the latest-spec TRF417" in the Tamiya text...
Geez another one will it also be coming with split mount suspension
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Old 09-04-2011, 07:53 AM
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Here's a quick one for you guys:

What is the best Tamiya body to run in Sedan or GT1??

Was going to run B4 but it is discontinued!

Regards
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