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Tamiya TRF416 / TRF416WE / TRF416X

Old 02-19-2010, 04:58 PM
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m-technic, how many gram is your car ?
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Old 02-19-2010, 06:33 PM
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I'm on the fence about recessing for battery tape. It does seem like a nice feature but not sure if it's a good thing on such a narrow chassis. Maybe milling out a channel so close to the edge could affect the way it flexes? Looks nice...
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Old 02-19-2010, 08:14 PM
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Originally Posted by mjack View Post
m-technic, how many gram is your car ?
About 1440 grams with the body I believe. I will find out this weekend since we have a state race and I'll have access to a scale again.
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Old 02-20-2010, 10:54 AM
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Originally Posted by veecee View Post
I'm on the fence about recessing for battery tape. It does seem like a nice feature but not sure if it's a good thing on such a narrow chassis. Maybe milling out a channel so close to the edge could affect the way it flexes? Looks nice...

You would be correct about recess cut outs in general. I've learned over the years that recess cuts releases tension in the fiber layup which will undoubtedly cause the chassis to bow or tweak. It's best to use recess cuts in as small an area as possible, ie motor cut outs and add full cut outs next to it to diminish the recess cuts tension.
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Old 02-22-2010, 12:00 PM
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Default Separate Suspension Mounts

I recently bought a TRF416X. I haven't assembled it yet, but I want to install the Separate Suspension Mounts as I build. Which mounts do I need to purchase to replace the stock mounts?

I don't want to change the baseline settings yet.

Second, I have read and re-read the explanation Suspension Block Chart at http://www.thard.co.uk/viewtopic.php?f=24&t=30 , and I understand what the various blocks do. I also understand that the degree of change is in .05 increments. However, it's just not clear to me which blocks provides which degree of camber/sweep in relationship to the numbers used to identify the blocks. So does a 1A provide .05* or does the 1F?

Also, which blocks are used on the front and which for the rear.
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Old 02-22-2010, 12:07 PM
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Originally Posted by Geppetto View Post
I recently bought a TRF416X. I haven't assembled it yet, but I want to install the Separate Suspension Mounts as I build. Which mounts do I need to purchase to replace the stock mounts?

I don't want to change the baseline settings yet.

Second, I have read and re-read the explanation Suspension Block Chart at http://www.thard.co.uk/viewtopic.php?f=24&t=30 , and I understand what the various blocks do. I also understand that the degree of change is in .05 increments. However, it's just not clear to me which blocks provides which degree of camber/sweep in relationship to the numbers used to identify the blocks. So does a 1A provide .05* or does the 1F?

Also, which blocks are used on the front and which for the rear.
416X comes with the following blocks
front : 1C - 1C
rear : 1XA - 1E

so if u want the separate suspension mount for the front get the 1C(1XC) separate mounts

i don't get your 2nd question clearly but if i interpret it correctly then the answer will be 0.5 increment between letters

A-A 0deg
A-B 0.5deg
A-C 1deg
A-D 1.5deg

and so on...
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Old 02-22-2010, 06:20 PM
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Originally Posted by Geppetto View Post
I recently bought a TRF416X. I haven't assembled it yet, but I want to install the Separate Suspension Mounts as I build. Which mounts do I need to purchase to replace the stock mounts?

I don't want to change the baseline settings yet.

Second, I have read and re-read the explanation Suspension Block Chart at http://www.thard.co.uk/viewtopic.php?f=24&t=30 , and I understand what the various blocks do. I also understand that the degree of change is in .05 increments. However, it's just not clear to me which blocks provides which degree of camber/sweep in relationship to the numbers used to identify the blocks. So does a 1A provide .05* or does the 1F?

Also, which blocks are used on the front and which for the rear.
If your @ the C on saturday I'll give you the run down. As dodo said youll need the C-XC individual mounts (they can be mounted either way, either as a C or XC, hence the name ).

Basically the different mounts give different toe in. It comes with XA-E for the rear, which is 3* toe in. A XA-D gives 2.5*, a XA-C is 2*, and so on. For the front it comes with C-C. The other main option people run on the front is D-D, which is the same sweep (Straight), but results in a wider front end.

Any blocks can go on any end of the car, it all depends on what results your looking for, which is why that toe block spreadsheet is so handy
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Old 02-22-2010, 09:19 PM
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Well I spent tonight building a new editable setup sheet for the 416 line of cars...It is not perfect but much better then what I have found out there. I also turned on the savebale function in Adobe Reader so you should be able to save it after you fill it out.

I still have some work to do on it, but for now it should work pretty well for everyone.

I have it posted on my website so please check it out when you get some time.

www.projectgreenracing.com/PGR/Resources.html

All in one editable 416 PDF file down at the bottom.
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Old 02-22-2010, 09:38 PM
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In our area the 416 is just a thought but never ran on our carpet track. It seems to be the norm in East coast US. Is the cars chassis just to thin for carpet tracks?
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Old 02-23-2010, 03:05 AM
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Originally Posted by Mugen10 View Post
In our area the 416 is just a thought but never ran on our carpet track. It seems to be the norm in East coast US. Is the cars chassis just to thin for carpet tracks?
Probably not seeing how Jilles won SBirds with a basically stock 416X.
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Old 02-23-2010, 07:31 AM
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Hey Guys,

What a first week with my new 416X! Was able to get a full day of practice in on Friday before its first race this past weekend at Timezone ll. Car performed amazing! Reset TQ the first three qualifiers and won in the first two of the triple A's in Mod Rubber.

Big thanks to Randy Caster for all the questions he answered for me via PM and to the rest of you with the great info in this thread. As well to Ed Clark for the bitch'en web site for the 416 family.

Kody
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Old 02-23-2010, 07:41 AM
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Randy how did the black weights end up looking?

I ended up buying the 7gram ones and spray painted them matte black. Car balances perfectly (except had to move 28grams to the outside of the battery) and plan to make mod maiden voyage this weekend. Anyone have success with Jilles SBirds setup? That is my starting point.

Last edited by Apex; 02-23-2010 at 08:53 AM.
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Old 02-23-2010, 07:57 AM
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Originally Posted by Apex View Post
Randy how did the black weights end up looking?

I ended up buying the 7gram ones and spray painted them matte black. Car balances perfectly and plan to make mod maiden voyage this weekend. Anyone have success with Jilles SBirds setup? That is my starting point.
If your running at mimis, it should work very well, just run a little more ride height to start, since the track is a little bumpy
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Old 02-23-2010, 08:49 AM
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Originally Posted by geeunit1014 View Post
If your running at mimis, it should work very well, just run a little more ride height to start, since the track is a little bumpy
Yep, Mimi's this Saturday...Will raise ride height to 5mm. Just need to paint body and finish up some soldering this week. Thanks for the heads up.
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Old 02-23-2010, 09:55 AM
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3 416x's in the top 5 at this past weekends NorthEast Grand Slam series race at Fastcats on carpet.

1.Keven Hebert(TC5)
2.Martin Crisp(416x)
3.Joe Glover(416x)
4.Steve Bortolotti(416x)
5.Paul C.(chicky, I won't even attempt to spell his last name lol)(xray t3)

My car was awesome all weekend. Could have had a better result but not the best weekend for me driving wise. Thats racing
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