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Tamiya TRF416 / TRF416WE / TRF416X

Old 04-04-2009, 11:52 AM
  #4996  
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Correct me if I were wrong.... I saw told to sand the side of the ring that face the diff hub. The extra roughness makes the ring grip better on the hub.
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Old 04-05-2009, 02:20 AM
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Does the same on teh balls too... the slight key put into the surface of the rings (which is why you shoudl use 1000grit+) allows you to use less pressue on the diff, but it grips just as well.

Result = a very free but none slipping diff

taken from my site...

Uber Diff
Follow these simply steps to achieve a very smooth, but tight diff.
Sand Diff rings with 1000grit wet dry. This provides a key on the surface for the balls to grip, allowing a looser setting, without slip.
Use JAAD Racing 3mm Ceramic balls (JDRDB300) and ceramic thrust race (JDRCT0206), using Associated black stealth grease on thrust, and Schumacher diff grease. Ceramic balls are very hard and long lasting, and will stay the smooth for a very long time. The Associated grease is recognised as the best for thrust bearings, and the same goes for the Schumacher diff grease and the diff balls.
Cover with JAAD Racing diff covers (JDRTA0502). These keep the dirt out extremely well, avoiding your diff becoming gritty due to dirt between the rings, pulleys and balls. Remember to apply some grease to the region where the cover comes very close to the diff half, to avoid any binding in the diff action. To help avoid collecting any dirt in the out drives and thrust bearing, plug the long diff end with a foam pad (one of the red foams from the shocks works well), and tape over the hole for the diff setting screw. This will keep all the dirt out, and you won’t have to rebuild your uber smooth diff for a long time.
Building one with this technique, I've had my diff stay very free, but still tight, for months now... only just getting round to a rebuild now
HiH
Ed
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Old 04-05-2009, 09:06 AM
  #4998  
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Hi guys, I'm gonna be building my 416WE this week. I'll want to run it in Stock, as in 540 Johnson stock , but any setup/build help will be great!

I'm mostly running foam on tarmac, so any set-up help will be great Thanks
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Old 04-05-2009, 11:39 AM
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Originally Posted by Ricky/C View Post
Hi guys, I'm gonna be building my 416WE this week. I'll want to run it in Stock, as in 540 Johnson stock , but any setup/build help will be great!

I'm mostly running foam on tarmac, so any set-up help will be great Thanks
you might have problems installing a silver can in that car...
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Old 04-05-2009, 12:18 PM
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when driving stock you might consider running a one-way instead of a spool.

Problem is that the WE is build around a Spool and you micht have oversteer when driving the One-way.
I haven't been able to find a good setup for the one-way, unfortunatly, for the 416 WE, when driving in a 27T-motor-class.
When driving in competition in the morning, when tracgtion and grip was low, the car went ok, but I always had to switch to the Spool because there came more grip on the track and the car became seriously oversteered.
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Old 04-05-2009, 01:36 PM
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Originally Posted by redbones View Post
you might have problems installing a silver can in that car...
Originally Posted by Low_E View Post
when driving stock you might consider running a one-way instead of a spool.

Problem is that the WE is build around a Spool and you micht have oversteer when driving the One-way.
I haven't been able to find a good setup for the one-way, unfortunatly, for the 416 WE, when driving in a 27T-motor-class.
When driving in competition in the morning, when tracgtion and grip was low, the car went ok, but I always had to switch to the Spool because there came more grip on the track and the car became seriously oversteered.
The silver can should fit no problem. You are going to need atlease an 88 tooth spur (if you are running 64 pitch) you will want to be atleast 50mm roll out to start. That should be pretty good for a tennis court sized track. Temp the com and try to keep it below 180. Spool would be better stereing for low traction conditions for sure but like he said , a one way will roll smoother and cary more speed but yeild more steering . recomend a much harder spring in front AND a firmer front tire. let out some droop . soft oil.. low angled shocks.
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Old 04-05-2009, 05:20 PM
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Originally Posted by Ricky/C View Post
I'll want to run it in Stock, as in 540 Johnson stock
Originally Posted by redbones View Post
you might have problems installing a silver can in that car...
Originally Posted by John St.Amant View Post
The silver can should fit no problem.
Another example of a John St.Amant incorrect statement!

The motor mount on the 416 only has a small hole for the input shaft of the motor. The hole is not big enough to fit a silvercan motor because the silvercan motor has the raised portion around the input shaft. You will have to widen the hole to fit it.
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Old 04-05-2009, 06:50 PM
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Originally Posted by miccal View Post
Another example of a John St.Amant incorrect statement!

The motor mount on the 416 only has a small hole for the input shaft of the motor. The hole is not big enough to fit a silvercan motor because the silvercan motor has the raised portion around the input shaft. You will have to widen the hole to fit it.
Oh ye of little imagination... do I need to draw it out for you ?
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Old 04-05-2009, 06:52 PM
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are the short reversible arms shorter than stock? will it affect width?
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Old 04-05-2009, 09:00 PM
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Originally Posted by B18C Turbo View Post
are the short reversible arms shorter than stock? will it affect width?
Maybe they should have called them the narrow arms.....
Yes, it does.
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Old 04-05-2009, 09:13 PM
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Hey 416ers! quick update from the weekend

I built my car up using the base asphalt setup from Jilles Groskamp (but with HPI springs) and man did it hook up. I took out TQ at the interclub round at my home track and went on to second overall. I took the win in the first main, got in a bit of trouble in A2 but came back to 2nd, but nerves and lack of driving prowess got to me in A3 I dunno how the pros do it! Still a great day & everyone was saying how dialled my car looked

BC18, the short arms will make your track narrower which is why they are normally used with wider suspension blocks compared with the 416 (non-WE) kit
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Old 04-05-2009, 09:53 PM
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Originally Posted by TryHard View Post
Does the same on teh balls too... the slight key put into the surface of the rings (which is why you shoudl use 1000grit+) allows you to use less pressue on the diff, but it grips just as well.

Result = a very free but none slipping diff

taken from my site...



Building one with this technique, I've had my diff stay very free, but still tight, for months now... only just getting round to a rebuild now
HiH
Ed

What do u mean by "wet dry"?
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Old 04-05-2009, 10:38 PM
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Originally Posted by jonest View Post
What do u mean by "wet dry"?
it's a type of sandpaper
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Old 04-05-2009, 10:43 PM
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Originally Posted by CraigM View Post
Hey 416ers! quick update from the weekend

I built my car up using the base asphalt setup from Jilles Groskamp (but with HPI springs) and man did it hook up. I took out TQ at the interclub round at my home track and went on to second overall. I took the win in the first main, got in a bit of trouble in A2 but came back to 2nd, but nerves and lack of driving prowess got to me in A3 I dunno how the pros do it! Still a great day & everyone was saying how dialled my car looked

BC18, the short arms will make your track narrower which is why they are normally used with wider suspension blocks compared with the 416 (non-WE) kit
You should get a setup that helps settle your nerves... Or get a faster chassis so nerves don't matter LOL!
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Old 04-05-2009, 11:36 PM
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Just a heads up...

My 416WCE review is now posted on my new r/c site...http://www.rcracing2.com
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