R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Electric On-Road

    Hide Wikipost
Old 03-17-2017, 02:10 AM   -   Wikipost
R/C Tech Forums Thread Wiki: Xray T4 2016
Please read: This is a community-maintained wiki post containing the most important information from this thread. You may edit the Wiki once you have been a member for 90 days and have made 90 posts.
 
Last edit by: R Dodge
Welcome to the XRAY T4'16 Thread & Wikipost! Here you will find some useful info, tips and tricks as well as setups that are used by several team drivers. This wikipost is a work in progress and should continue to develop over time.

Tips & Tricks:

Alex Hagberg's Tech Tip Tuesday articles

How to mount your Protoform LTC-R Body
Setting static camber
How to mount weight on your chassis Part1
How to mount the rear wing on Protoform bodies
Simple troubleshooting guide
How to mount the battery on your chassis
How to glue your front tires for CRC Black carpet with Eric Anderson
Utilizing Exponential and RMode on the M12S
How to mount weight on your chassis Part2

Team driver Tim Wahl posted some very useful tips on Facebook as he worked through building a new kit.

1- Carbon Parts
2-Suspension
3-Solid Axle and Differential
4-Bulkheads & Drivetrain
5-Driveshaft (ECS & CVD)
6-Front & Rear Suspension
7-Tweak
8-Anti-Roll Bar
9-Battery Fix (OPTIONAL)
10-Bumper & Body
11-Shocks
12-Steering

New Graphite Hubs:
Xray have recently released some additional Graphite hubs for the T4 lineup. The 4° Graphite C-Hub has been out for some time and is known to improve steering on entry, and in general makes the car turn better. This has been the go-to c-hub on asphalt for many on the Xray team, though it is not needed on high bite carpet. The Graphite rear hub tends to make the car more stable, especially on corner entry. We are still working on gathering input on the new Graphite steering block, but for the moment feel that it should improve steering response. All Graphite parts are approximately 1g lighter than the Hard or Medium options.

Option Parts to consider:
XRA301196 T4 Graphite Upper Deck 1.6mm V2
XRA301226 Foam Bumper – Hard - highly recommend
XRA302165 Composite Front Suspension Arm 2-Hole – Hard
XRA302169 Composite Front Suspension Arm 1-Hole – Graphite
XRA302803 1.3mm Front Anti-Roll Bar
XRA303169 Composite Rear Suspension Arm 1-Hole – Graphite
XRA303802 1.2mm Rear Anti-Roll Bar
XRA305137 Steel Solid Axle Driveshaft Adapters - HUDY Spring Steel - highly recommend
XRA305242 Composite Drive Shaft Replacement Cap 3.5mm – Orange – Strong (QTY 4)
XRA305351 Aluminum Wheel Hub – Offset “-0.75mm” – Black (QTY 2)
XRA306191 T4 Graphite + Aluminum Fully Adjustable Battery Holder
XRA308264 4S Spring-Set Progressive C=2.5-2.8 (QTY 2)
XRA308276 4S Spring-Set C=2.7 (QTY 2)
XRA308286 4S Spring-Set C=2.6 (QTY 2)
Specific to Asphalt:
XRA302383 Composite C-Hub Right – 4* - Graphite (ECS)
XRA302384 Composite C-Hub Left – 4* - Graphite (ECS)
XRA308039 Aluminum Progressive Shock System – Set (QTY 2)

Specific to Carpet:

XRA301141 T4 Aluminum Flex Chassis 2mm
XRA302375 Composite C-Hub Right – 6* - Hard ***Modification may be required if they don't have the "ECS" stamp.

XRA302376 Composite C-Hub Left – 6* - Hard ***Modification may be required if they don't have the "ECS" stamp.

XRA303711-O Aluminum Rear Lower Suspension Holder – Front – RF
Recent Setups:
3 July 2016 - Alex Hagberg - European Championship - Asphalt - Mod - 2nd
3 July 2016 - Bruno Coelho - European Championship - Asphalt - Mod - 4th
3 July 2016 - Jan Ratheisky - European Championship - Asphalt - 13.5 - TQ + Win

29 June 2016 - Max Kuenning - Reedy - Asphalt - Mod - 4th
29 June 2016 - Keith Yu - Reedy - Asphalt - 13.5 - TQ + 2nd
29 June 2016 - Eric Anderson - Reedy - Asphalt - 13.5 - 3rd

15 May 2016 - Bruno Coelho - ETS Rd 4 Riccione - Asphalt - Mod - TQ + Win
15 May 2016 - Mattia Collina - ETS Rd 4 Riccione - Asphalt - 13.5 - Win

17 April 2016 - Max Kuenning - MHIC - Carpet - Mod - 4th

10 April 2016 - Bruno Coelho - ETS Rd 3 Wels - Carpet - Mod - 2nd
10 April 2016 - Alex Hagberg - ETS Rd 3 Wels - Carpet - Mod - 4th
10 April 2016 - Jan Ratheisky - ETS Rd 3 Wels - Carpet - 13.5 - TQ + Win

22 March 2016 - Paul LeMieux - Canadian Nats - Carpet - Mod - TQ + Win
22 March 2016 - Luke Pittman - Canadian Nats - Carpet - Mod - 3rd

6 March 2016 - Chris Adams - ROAR Nats - Carpet - Mod - TQ + Win
6 March 2016 - Craig Xavier - ROAR Nats - Carpet - 17.5 - 4th
6 March 2016 - Eric Anderson - ROAR Nats - Carpet - 17.5 - 5th

6 February 2016 - Bruno Coelho - ETS Rd 2 Koblenz - Carpet - Mod - TQ + Win
6 February 2016 - Alex Hagberg - ETS Rd 2 Koblenz - Carpet - Mod - 2nd

31 January 2016 - Alex Hagberg - Snowbirds - Carpet - Mod - TQ + Win
31 January 2016 - Jan Ratheisky - Snowbirds - Carpet - All - See Comments
31 January 2016 - Drew Ellis - Snowbirds - Carpet - 13.5 - 4th
31 January 2016 - Robbie Dodge - Snowbirds - Carpet - 17.5 - Win

13 December 2015 - Bruno Coelho - ETS Rd 1 Hrotovice - Carpet - Mod - 3rd
13 December 2015 - Alex Hagberg - ETS Rd 1 Hrotovice - Carpet - Mod - 4th
13 December 2015 - Olly Jeffries - ETS Rd 1 Hrotovice - Carpet - Mod - 7th
13 December 2015 - Jan Ratheisky - ETS Rd 1 Hrotovice - Carpet - 13.5 - TQ + Win

29 November 2015 - Paul LeMieux - US Indoor Champs - Carpet - Mod - TQ + Win

25 October 2015 - Eric Anderson - Stock Wars - Carpet - 17.5 - 2nd

Print Wikipost

Like Tree2Likes
Reply
 
Thread Tools Search this Thread
Old 12-17-2016, 10:01 PM   #1096
Tech Regular
 
crusty's Avatar
 
Join Date: Feb 2005
Posts: 457
Trader Rating: 6 (100%+)
Default

Ive got a t4 2016 and want to put the flex linkage from the 2017 t4.is this an easy bolt on or ??
crusty is offline   Reply With Quote
Old 12-17-2016, 10:10 PM   #1097
Tech Regular
 
wkderf's Avatar
R/C Tech Elite Subscriber
 
Join Date: Jul 2016
Location: Philadelphia
Posts: 380
Trader Rating: 18 (100%+)
Default

the short answer is no. The servo mount & motor mount which have the necessary attachment points are not compatible with the 2016 chassis, due to pins that extend from the servo mount. the 2016 also does not have the screw holes in the chassis for the flex plate or linkage. You would need a 2017 chassis, servo mount, and motor mount to make the system work.
__________________
XRAY MOTIV LRP ORCA SPEKTRUM HUDY
wkderf is offline   Reply With Quote
Old 12-18-2016, 03:27 AM   #1098
Tech Champion
 
TryHard's Avatar
 
Join Date: Jun 2004
Location: Sydney, NSW
Posts: 5,273
Trader Rating: 4 (100%+)
Default

Quote:
Originally Posted by wkderf View Post
the short answer is no. The servo mount & motor mount which have the necessary attachment points are not compatible with the 2016 chassis, due to pins that extend from the servo mount. the 2016 also does not have the screw holes in the chassis for the flex plate or linkage. You would need a 2017 chassis, servo mount, and motor mount to make the system work.
Not quite true... you can make something similar work on a 16. Can't use the graphite brace, but you can make up a turnbuckle version.

You'll need to use some ball nuts (so you can screw into them from underneath), the ball cups and a 39mm turnbuckle. I used Awesomatix parts as they were what I could get hold of at the time.

At the rear, use a 10mm countersunk on the forward hole of the motor mount plate, and then screw one of the ball nuts down on top. I spaced it up with a 1mm shim as well. (Alternatively, you can use a grub screw into the plate if you don't use the forward hole).
Up front, mount it into the ariel hole. Again with a 10mm countersunk, 3mm shim, then ball nut.
Then set the turnbuckle so it's loose and free to move when the the top deck is on.

The front hole is a little off centre, but doesn't seem to affect the car too much. Spaced up the way I mentioned, can still fit the Xray weight in the centre too.

And for what it's worth... I recently did a back-to-back at my local track (outdoor asphalt, medium-high grip) with the three different flex options on my '17. No link, Carbon brace, and turnbuckle.
Turnbuckle was not only fastest, but also consistently as quicker too. Nothing in place was about 0.2 down on fastest, but more inconsistent also. Carbonbrace was as consistent, but the car lacked overall bite, so was slower by about 0.3 over the turnbuckle.

The turnbuckle seems to affect a few things - more positive on the brakes and on throttle, but also rotate quicker through the middle of the turn. So a bit of a win-win tbh!

HiH
Ed
Attached Thumbnails
Xray T4 2016-20160825_193251.jpg   Xray T4 2016-20160825_193415.jpg   Xray T4 2016-20160826_074910.jpg  
__________________
| THard.co.uk | Xray | MuchMore |
TryHard is offline   Reply With Quote
Old 12-18-2016, 04:50 AM   #1099
Tech Regular
 
crusty's Avatar
 
Join Date: Feb 2005
Posts: 457
Trader Rating: 6 (100%+)
Default

Excellent work ed.thanks for the info i will try that on my car also
crusty is offline   Reply With Quote
Old 12-18-2016, 12:34 PM   #1100
Tech Elite
 
valk's Avatar
 
Join Date: May 2011
Location: Victoria, BC
Posts: 2,025
Trader Rating: 13 (100%+)
Send a message via ICQ to valk Send a message via AIM to valk Send a message via MSN to valk
Default

That hole is isnt centered though, i would think it could cause a tweak/bind issue?
valk is offline   Reply With Quote
Old 12-18-2016, 02:33 PM   #1101
Tech Fanatic
 
tbrymer's Avatar
 
Join Date: Feb 2011
Location: Arizona
Posts: 987
Trader Rating: 9 (100%+)
Default

Quote:
Originally Posted by valk View Post
That hole is isnt centered though, i would think it could cause a tweak/bind issue?
I was thinking the same thing
__________________
CRC - C&C Motorsports - SpeedZone
tbrymer is offline   Reply With Quote
Old 12-18-2016, 02:54 PM   #1102
Tech Champion
 
TryHard's Avatar
 
Join Date: Jun 2004
Location: Sydney, NSW
Posts: 5,273
Trader Rating: 4 (100%+)
Default

Quote:
Originally Posted by valk View Post
That hole is isnt centered though, i would think it could cause a tweak/bind issue?
Quote:
Originally Posted by tbrymer View Post
I was thinking the same thing
Possibly... but that's the hole I was advised to mount it in at the worlds by Martin and Alex. And there shouldn't be a bind issue if you set the link length correctly. It needs to be loose and free to move.
__________________
| THard.co.uk | Xray | MuchMore |
TryHard is offline   Reply With Quote
Old 12-18-2016, 03:58 PM   #1103
Tech Fanatic
 
Airwave's Avatar
 
Join Date: Jul 2007
Posts: 772
Trader Rating: 1 (100%+)
Default

and I suppose the goal is to link the longitudinal aluminum structures on the chassis, in this case, the motor mount and the servo support. Here you are just "extending" the motor mount, I suppose it is different at the end. I would avoid this solution, especially if the hole is not perfectly centered...
Airwave is offline   Reply With Quote
Old 12-18-2016, 04:05 PM   #1104
Tech Champion
 
TryHard's Avatar
 
Join Date: Jun 2004
Location: Sydney, NSW
Posts: 5,273
Trader Rating: 4 (100%+)
Default

Quote:
Originally Posted by Airwave View Post
and I suppose the goal is to link the longitudinal aluminum structures on the chassis, in this case, the motor mount and the servo support. Here you are just "extending" the motor mount, I suppose it is different at the end. I would avoid this solution, especially if the hole is not perfectly centered...
The goal is to stiffen up the lower chassis longitudinally, without affecting torsional flex.
Both solutions achieve that, albeit with the '17 being more refined with the link being designed into the car.
At the very least, I'm just offering the option up for those who want to give it a try... and happy to state that a large majority of Xray's at the worlds ran that exact setup (only the team guys had the '17's then), and I'm under the impression it had been tested on the team 16's for quite a while before then... take that as you will.
__________________
| THard.co.uk | Xray | MuchMore |
TryHard is offline   Reply With Quote
Old 12-18-2016, 04:23 PM   #1105
Tech Elite
 
JEFFs SC10's Avatar
 
Join Date: Sep 2010
Location: Orlandooooo, Fl
Posts: 3,866
Trader Rating: 14 (94%+)
Default

Is there a T4 2017 thread? If not I'm looking for a pdf setup sheet for a technical high grip black crc carpet.
__________________
XRAY T4 17' //CRC Gen X SE- 17.5 GT//Xray X12-17' GT12//Xray X12-18' 17.5
check out the new 12th scale GT class!
https://www.facebook.com/groups/148391312353349/
JEFFs SC10 is offline   Reply With Quote
Old 12-18-2016, 04:59 PM   #1106
Tech Champion
 
TryHard's Avatar
 
Join Date: Jun 2004
Location: Sydney, NSW
Posts: 5,273
Trader Rating: 4 (100%+)
Default

Quote:
Originally Posted by JEFFs SC10 View Post
Is there a T4 2017 thread? If not I'm looking for a pdf setup sheet for a technical high grip black crc carpet.
Thread here;
Xray T4'17

Setups;
here - http://site.petitrc.com/reglages/xra...etsXRayT4.html
and here - http://forum.teamxray.com/xsheets.php

__________________
| THard.co.uk | Xray | MuchMore |
TryHard is offline   Reply With Quote
Old 12-19-2016, 01:11 PM   #1107
Tech Elite
 
valk's Avatar
 
Join Date: May 2011
Location: Victoria, BC
Posts: 2,025
Trader Rating: 13 (100%+)
Send a message via ICQ to valk Send a message via AIM to valk Send a message via MSN to valk
Default

actually i suppose that is the antenna mount hole? It might be as central as the middle motor screws are. The servo mount wouldnt be centered and i was thinking if someone connected to that, the link would be compressed or stretched when the chassis tries to twist.
I like having my cap there though.
valk is offline   Reply With Quote
Old 01-28-2017, 11:43 AM   #1108
Tech Adept
 
Join Date: Aug 2013
Posts: 168
Default Servo moves during steering

Hi guys

I realized that my T4 2016's servo moves slightly whenever I made a steer from my transmitter, and this creates a problem of not aligning straight whenever after making a turn. The screws attached to the servo are tight enough.

I'm using Sanwa low profile ERS-96E servo and Hudy direct servo horn with 7mm shims connecting to steering link.

I can't find any answer on the Internet pertaining to this issue, and can anyone please advise me on this?

Thank you.
Kakaru is offline   Reply With Quote
Old 01-28-2017, 05:57 PM   #1109
Tech Initiate
 
Join Date: Nov 2016
Location: Richfield, Ohio
Posts: 42
Trader Rating: 1 (100%+)
Default

Two things come to mind, are you mounting the servo directly or have you used the rubber isolation tabs? Could you not have your end point adjustment on your transmitter set so your not crashing the steering blocks into the c-hubs and possibly tweaking something in a way that it doesn't return to center?
AlBundy is offline   Reply With Quote
Old 01-28-2017, 07:06 PM   #1110
Tech Elite
 
Join Date: Jul 2010
Posts: 2,285
Trader Rating: 9 (100%+)
Default

You want these.

cplus is offline   Reply With Quote
Reply



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 01:06 AM.


Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net