XRAY - Model racing cars

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 Post subject: XB4 17'
PostPosted: Thu Sep 01, 2016 13:21:33 
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Joined: Thu Sep 01, 2016 13:05:52
Posts: 2
Does anyone know which month this year we will see the new XB4 17' specs? :o

Best
Paul


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 Post subject: Re: XB4 17'
PostPosted: Fri Jan 13, 2017 14:56:26 
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Joined: Sun Sep 08, 2013 07:31:39
Posts: 3
Hello

I'm propably going to buy new xb4'17. Seems like it's made for high grip surfaces like eos carpet. Here in Finland we race on low to medium grip clay tracks in summer. I think pretty close to 2016 euros track grip level. What parts you think is needed for those conditions?

Regards:
Valtteri Eklund


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 Post subject: Re: XB4 17'
PostPosted: Mon Jan 16, 2017 09:38:25 
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team driver
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Joined: Tue Apr 25, 2006 16:50:44
Posts: 178
Location: Czech Republic
Hello

There is setup from euros last year xform/index.php?act=view&ID=135&setup=xb4_2016
I don´t thing car is made only for high grip. who had most car in finals??? XRAY...
Does not mater what grip level, XB4 is simply best 4WD kit on market.


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 Post subject: Re: XB4 17'
PostPosted: Mon Jan 16, 2017 10:06:38 
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Joined: Sun Sep 08, 2013 07:31:39
Posts: 3
Hi. Thanks for your answer

When there is lot of option parts available. I tried to say that parts that are included in the kit are chosen for high grip conditions or do you disagree?
Mostly I was thinking about plastic parts. Seems like lot of parts that are included are "hard", but then there is "medium" option available. When thinking about xb2 dirt version has medium plastics and carpet version has hard plastics. Is it same deal on 4wd?


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 Post subject: Re: XB4 17'
PostPosted: Mon Jan 16, 2017 11:47:55 
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team driver
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Joined: Tue Apr 25, 2006 16:50:44
Posts: 178
Location: Czech Republic
On dirt we still most of times use all graphite parts.
4WD generation a lot of traction so you don´t need to run medium arms all time.
It´s mostly about personal setup. Somebody like Graphite arms somebody medium....
I think current XB4´17 is best for every surface!


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 Post subject: Re: XB4 17'
PostPosted: Mon Jan 16, 2017 12:34:27 
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Joined: Sun Sep 08, 2013 07:31:39
Posts: 3
Ok. Thanks Martin! 8)


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 Post subject: Re: XB4 17'
PostPosted: Mon Jan 16, 2017 14:02:19 
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team driver
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Joined: Tue Apr 25, 2006 16:50:44
Posts: 178
Location: Czech Republic
If you need any help with setup just contact me.


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 Post subject: Re: XB4 17'
PostPosted: Mon Jan 16, 2017 16:15:03 
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Joined: Mon Jan 16, 2017 16:04:01
Posts: 5
Im having 2 problems with my xb4. I used Martin Bayers most recent setup. I dont have the 2 stripe hexes on fron or 3 stripe on the rear. 2 things were
an issue.

Tight carpet track, indoor, smooth. Medium traction.

1.) Car would lift inside rear tire when cornering.

2.) extremely easy to traction roll.

Only difference I noticed on the 17 setups were the 4mm spacer on aluminum hubs, I only had 2.

My 2016 car with same setup was VERY good on same track... I am unsure why the issues with the 17.... I checked the car over 2 times to be sure all is proper, and it is.

Thoughts?


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 Post subject: Re: XB4 17'
PostPosted: Mon Jan 16, 2017 17:01:43 
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team driver
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Joined: Tue Apr 25, 2006 16:50:44
Posts: 178
Location: Czech Republic
Witch wheels are you running? I thing you are way to narrow.
If you want post your setup and put here link. We can check what is possible.


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 Post subject: Re: XB4 17'
PostPosted: Mon Jan 16, 2017 21:32:31 
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Joined: Mon Jan 16, 2017 16:04:01
Posts: 5
Martin,
This is the setup im using. I applied to a 17 edition.
http://site.petitrc.com/setup/xray/Setu ... n20161220/

I am using stock wheels and hexes. All other settings are the same.
I glue the outside edge of front tire to prevent traction roll, also cut outside row of pins on rear.

Thank You

Scott


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 Post subject: Re: XB4 17'
PostPosted: Wed Jan 18, 2017 10:21:34 
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team driver
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Joined: Tue Apr 25, 2006 16:50:44
Posts: 178
Location: Czech Republic
Hello

Then car is way to narrow. This is huge different. For Xray wheels you should run 3 slot for front and 4 slot for rear.
It will be other car :wink:


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 Post subject: Re: XB4 17'
PostPosted: Wed Jan 18, 2017 11:45:53 
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Joined: Mon Jan 16, 2017 16:04:01
Posts: 5
Thanks Martin!!!
Cant wait to try this setup.
Also This is amazing experience!!! Other mfgs wont answer questions from racers..

The new 17 owners at the track, and there are quite a few will be quite happy im sure!!!!


XRAY NATION

Thanks Again!!!


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 Post subject: Re: XB4 17'
PostPosted: Wed Jan 18, 2017 14:11:30 
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team driver
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Joined: Tue Apr 25, 2006 16:50:44
Posts: 178
Location: Czech Republic
No problem

I am here to help! We like to heard customers enjoy driving our cars.


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 Post subject: Re: XB4 17'
PostPosted: Tue Jan 31, 2017 13:02:00 
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Joined: Mon Jan 16, 2017 16:04:01
Posts: 5
Noticing a trend in the use of 12 degree caster blocks on tight tracks. I'm always tinkering with the car to make it fastr.
Anybody have thoughts on why the change from the norm 9 degree on the 16 cars?


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 Post subject: Re: XB4 17'
PostPosted: Wed Feb 01, 2017 09:01:13 
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team driver
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Joined: Tue Apr 25, 2006 16:50:44
Posts: 178
Location: Czech Republic
I use 12deg. only when traction is super high and with 9deg. my car traction roll.
Last week at Lyon GP we have to use minipin in front. Way to much traction.
12deg alu was perfect.


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 Post subject: Re: XB4 17'
PostPosted: Tue Feb 07, 2017 00:12:31 
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Joined: Mon Jan 16, 2017 16:04:01
Posts: 5
Is there a reason Bruno setup is locked from the last eos race?


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 Post subject: Re: XB4 17'
PostPosted: Tue Feb 07, 2017 11:33:12 
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Joined: Fri Sep 10, 2004 05:52:13
Posts: 1340
Location: Trencin, Slovakia
The set-up from Bruno is now open so you can check it.


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 Post subject: Re: XB4 17'
PostPosted: Thu Feb 09, 2017 17:19:29 
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team driver
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Joined: Tue Apr 25, 2006 16:50:44
Posts: 178
Location: Czech Republic
I thing it was just wrong click. No point to lock his setup from public.


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