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Old 03-17-2017, 02:10 AM   -   Wikipost
R/C Tech Forums Thread Wiki: Xray T4 2016
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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

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Old 10-03-2016, 01:47 AM   #1006
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Quote:
Originally Posted by Set View Post
anyone still manage to get the smokem spool cup for tamiya DCJs?
I have one unused set if your interested. PM me
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Old 10-03-2016, 02:08 AM   #1007
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Quote:
Originally Posted by Boostinswifty38 View Post
Fair enough, thought of that. Just sasnt sure if anyone maybe drilled the carbon brace or had other thoughts, since the carbon brace doesnt bend like the plastic ones
I deliberately use the plastic braces for that reason.
I'd rather the plastic distorted in a big impact, than have the carbon pass it through onto the bulkheads. The braces and bumpers are cheaper than the bulkheads ;-)

Quote:
Originally Posted by B00t13g View Post
I've always used the pins from body mounts, little cleaner look with the same outcome.
Good plan.
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Old 10-03-2016, 08:40 AM   #1008
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Originally Posted by Boostinswifty38 View Post
They last longer and dont stretch as much
fair enough. Though i can't be the only one that thinks a white belt on an otherwise black & orange car is a bit of an eyesore.

What is recommended to use for cleaning the belts? I want to make sure I avoid any cleaners that might affect the strength or longevity of the belt.
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Old 10-05-2016, 11:20 PM   #1009
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Default Bulkheads part numbers

Are the 2015 T4 front and rear bulkheads the same as the 2016 T4?....and what are the part numbers for the 2016s?

Thanks,
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Old 10-06-2016, 12:12 AM   #1010
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has anyone noticed a real difference by switching to the white belts? Mine are due for a replacement soon, and I'm really wondering if the extra $$ is worth it.
More free, longer lasting and I think they look nice.

Quote:
Originally Posted by wkderf View Post
fair enough. Though i can't be the only one that thinks a white belt on an otherwise black & orange car is a bit of an eyesore.

What is recommended to use for cleaning the belts? I want to make sure I avoid any cleaners that might affect the strength or longevity of the belt.
Protoform proshine.
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Old 10-06-2016, 07:26 PM   #1011
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Quote:
Originally Posted by OttoKrosse View Post
Are the 2015 T4 front and rear bulkheads the same as the 2016 T4?....and what are the part numbers for the 2016s?

Thanks,
yup, they are the same.
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Old 10-06-2016, 08:56 PM   #1012
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question for you guys regarding the shock mounts:

the top & bottom ball joints each have one side that is a regular finish, and one side with a shiny finish.

The manual is VERY specific about which side should be facing out for the top and bottom of the shock.

The problem I'm having is that when installing the shocks in the recommended position with the shiny side facing out on the bottom of the shock, the ball is VERY tight. when installed shiny side in, the ball is loose.

I'm sure this is intended, but the shock ball seems WAAy too stiff when installed in the manual recommended way.

is there a way to loosen these mounts up? or should i just mount both the top and bottom of the shock with the shiny side face in?
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Old 10-08-2016, 09:21 AM   #1013
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Hey is anyone use any of the t-works titanium products they make Any feedback on there qaulity looking to but my 16 on a diet
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Old 10-08-2016, 12:21 PM   #1014
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I have the T-works Ballstuds on my TLR 22-4 and have not had any issue with the quality or durability of them on that car. I would put them on a T4 myself after using them on that car.
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Old 10-09-2016, 08:16 AM   #1015
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Any good setups coming out of IIC?
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Old 10-11-2016, 03:00 AM   #1016
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Originally Posted by dr_hfuhuhurr View Post
Any good setups coming out of IIC?

Should be some good ones, the whole Xray team worked really well together at IIC. I think most of the team drivers would be on the '17 platform with the additional flex plate though. Either way, they could also be a good starting point for the '16.
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Old 10-13-2016, 04:38 AM   #1017
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Guys some advise if you please, the whole flex screws around the motor mount, setup sheets hardly gets filled in and I'm not sure if the nut is used either. I'm a bit stumped as some say they dont use the nut, then you look at their setup sheets and the box is ticked??, maybe just never un-ticked that box??. Whats the best to use outside asphalt track, medium grip. I plan to do some testing this weekend and need to know what's the best selection most have found to work?. If the nuts not used, surely there should be one used or are they just using the layshaft screws??.
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Old 10-13-2016, 05:40 AM   #1018
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Quote:
Originally Posted by rcdreamer View Post
Guys some advise if you please, the whole flex screws around the motor mount, setup sheets hardly gets filled in and I'm not sure if the nut is used either. I'm a bit stumped as some say they dont use the nut, then you look at their setup sheets and the box is ticked??, maybe just never un-ticked that box??. Whats the best to use outside asphalt track, medium grip. I plan to do some testing this weekend and need to know what's the best selection most have found to work?. If the nuts not used, surely there should be one used or are they just using the layshaft screws??.
Don't worry too much about setup sheets. Unless you're running on the same track on the same tyres, copying the exact setup isn't likely to work too well. And half the time, setup sheets are inaccurate or incomplete anyway.

Start with just the nut and no other screws. Moving the screw forwards will reduce steering, but reduce overall grip as well. Going backwards is more steering and more overall grip. For low/medium traction I generally just run one screw and move it around for balance.
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Old 10-13-2016, 08:51 PM   #1019
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Awesome thanks for clearing that up. Will give it a go.
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Old 10-13-2016, 10:06 PM   #1020
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Personally, I find it the opposite to what Dale says. Screw forward for more mid corner steering, rear for more traction.
Recently I've started to settle on both fore-most and rear-most screw in the motor plate, and then tune the setup to get steering back.
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