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Old 12-10-2013, 08:05 PM   #6256
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Originally Posted by golgi View Post
Hi all, I just recently purchased the 417x used. I've been wanting to get a 417 variant for a while now. What I'm curious about is, what are all the 417 variants and what order do they go in?

My assumption is 417, 417 w/gear diffs, 417x, ?, 417 v5. Is this correct? And if so, what is the model where there is a question mark?

Also, what are the benefits of each upgraded model? Is there a major difference in handling from the 417 to 417x to the 417v5? Thanks, I know that is a lot of questions but I've searched online and within this forum and haven't found answers to these questions.
I believe the only one you forgot was the Reedy Race chassis(goes where the ? was), they may have called it the WX(but I'm not at all sure on that). As for the benefits of the newer versions, they were all I think pretty subtle, but the big thing from original to the gear diff was simply adding the gear diff, & the 417X I believe added a different lower & upper deck(to change flex characteristics, I believe) & the split motor mount to make it MUCH easier to deal with spur & pinion changes & apparently to add more rear flex, then the Reedy race version was another change to the decks to adjust flex(I think it's the most flexible of the bunch, but again I'm not sure), then the v5 again adjusted the chassis flex characteristics & I believe added steel spool outdrives & double-cardan joint axles(& possibly some taller aluminum bulkheads, but again I'm NOT sure about this, trying to remember this off the top of my head, though I only have personal experience with the basic 417 with gear diff). And that's about all I remember, I'm sure whatever I got wrong someone will correct...
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Old 12-10-2013, 08:16 PM   #6257
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Thanks, Bob. That is helpful information.
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Old 12-10-2013, 08:19 PM   #6258
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Originally Posted by c2tcardin View Post
Awesome thanks! There are 3 pieces to that set up correct, a left, right, and lower, do you use the lower?
I like my car without the lower piece. The rear of the car seems to have a bit more of side bite without the lower piece.
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Old 12-11-2013, 01:29 AM   #6259
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Here's a new setup I tried for raceberry on asphalt. Worked out pretty well!

Bit of an explanation
http://tchub.wordpress.com/2013/12/1...nal-417-setup/
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Tamiya TRF417-trf417rb-craig-mcphee-sma-20131210.jpg  
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Old 12-11-2013, 06:26 AM   #6260
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Originally Posted by CL View Post
I like my car without the lower piece. The rear of the car seems to have a bit more of side bite without the lower piece.
Thanks I figured the lower was optional. TQ Racing has the motor mount and lower mount in stock but not the left side mount. Perhaps I'll hold off as I've been toying with the idea of getting a 418.
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Old 12-27-2013, 03:36 PM   #6261
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Default Arrowmax DCJ- Axel too long

I had a spare NIB Arrowmax AM-010003 DCJ which I was trying to fit into a 417x.
There are 2 problems.
First the axel length is too long, almost 2mm, which means the axel shaft pin thingy can slop around the bearing



The second issue because of the slop at the front, the back of the DCJ sleeve interferes with the C-Hub limiting the steering arm from turning.

Has anyone experienced this or have a solution?
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Old 12-28-2013, 08:47 AM   #6262
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Tamiya uses a thinner bearing in the inside of the steering knuckle. Try using the standard bearing on the inside an see if it fits properly
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Old 12-28-2013, 01:08 PM   #6263
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This is part of the problem, the 3 mm bearing causes a 2mm slop at the front of the steering hub where the pin is inserted.
Using a 4mm bearing reduces the slop at the front of the steering hub, but pushes the sleeve closer to the C hub where it interferes when the steering is turned.
Its like a catch 22.
Putting a 2mm spacer in the front of the steering nub, just behind the pin, way fit, but then the track is 4mm wider.

It sounds like the wrong part was packed or am I missing something. Does the C hub need to be dremeled?
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Old 12-28-2013, 01:58 PM   #6264
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Quote:
Originally Posted by Fredp1 View Post
This is part of the problem, the 3 mm bearing causes a 2mm slop at the front of the steering hub where the pin is inserted.
Using a 4mm bearing reduces the slop at the front of the steering hub, but pushes the sleeve closer to the C hub where it interferes when the steering is turned.
Its like a catch 22.
Putting a 2mm spacer in the front of the steering nub, just behind the pin, way fit, but then the track is 4mm wider.

It sounds like the wrong part was packed or am I missing something. Does the C hub need to be dremeled?
I think that they have pached the wrong part.
me too have that dcj's by arrowmax but they fit perfectly on my car with the the short ball bearing
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Old 12-28-2013, 05:13 PM   #6265
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Good to know it should fit.
As you said, it the wrong label on the packet.
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Old 12-28-2013, 07:45 PM   #6266
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Quote:
Originally Posted by CraigM View Post
Here's a new setup I tried for raceberry on asphalt. Worked out pretty well!

Bit of an explanation
http://tchub.wordpress.com/2013/12/1...nal-417-setup/
Hey Craig,
Do you know if the front suspension mounts or steering posts are placed differently on the raceberry vs the standard tamiya chassis? I ask because I see the steering spacers are always in the 4mm range on the raceberry vs 2-3 on the standard chassis.
Thanks,
Jose
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Old 12-28-2013, 09:17 PM   #6267
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Originally Posted by ittjv View Post
Hey Craig,
Do you know if the front suspension mounts or steering posts are placed differently on the raceberry vs the standard tamiya chassis? I ask because I see the steering spacers are always in the 4mm range on the raceberry vs 2-3 on the standard chassis.
Thanks,
Jose
Same location, the raceberry just likes more Ackerman for some reason. I tried 4mm on the standard car and it was terrible
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Old 12-29-2013, 02:48 AM   #6268
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Hi, could i get a definitive answer please as to raising the roll center by adding shims under the bulkheads will increase or decrease grip at that end.

I have bad understeer on a high grip Asphalt track. Especially on the fast sweeper. I am not sure which end to add the spacers.

Thanks in advance
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Old 12-29-2013, 02:50 AM   #6269
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Default Roll center

H

Last edited by Dual Fuel; 12-29-2013 at 04:31 PM. Reason: double post
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Old 12-29-2013, 12:42 PM   #6270
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Quote:
Originally Posted by Dual Fuel View Post
Hi, could i get a definitive answer please as to raising the roll center by adding shims under the bulkheads will increase or decrease grip at that end.

I have bad understeer on a high grip Asphalt track. Especially on the fast sweeper. I am not sure which end to add the spacers.

Thanks in advance
I think I will add some shim in the front bulkhead but it is very difficult to say with no information because there are several things you can do, check this setup guide I think it can solve you almost every problem
http://users.telenet.be/elvo/
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