XRAY - Model racing cars

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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Fri Dec 14, 2012 12:41:22 
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Joined: Fri Dec 14, 2012 00:12:40
Posts: 5
Are these actually a direct replacement for the moulded ones?
I see on the setup sheet that there is an option for a ball diff and also metal gear diff. I am concerned about the durability already and I have not even started to build the car yet due to reading some other forum posts. I understand that if the diff is built correctly (shimmed properly) and slipper set to absorb and impacts on the drive train it should be fine but if I could built it straight away with metal I would choose this over moulded gears every time even if it increases the weight of the diffs.
Anyone else had issues or indeed built with the mentioned metal ones??
cheers

FrankM wrote:
tom w. wrote:
they exist from aluminum or steel for example from the nt1?


You can use

335081 Alu Differential Pin - Hard Coated (2)
335030 Differential Bevel & Satellite Gears (2+4)


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Fri Dec 14, 2012 16:52:39 
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Joined: Fri Sep 03, 2004 11:22:56
Posts: 2497
Location: Trencin, Slovakia
jackeltrader wrote:
Are these actually a direct replacement for the moulded ones?
I see on the setup sheet that there is an option for a ball diff and also metal gear diff. I am concerned about the durability already and I have not even started to build the car yet due to reading some other forum posts. I understand that if the diff is built correctly (shimmed properly) and slipper set to absorb and impacts on the drive train it should be fine but if I could built it straight away with metal I would choose this over moulded gears every time even if it increases the weight of the diffs.
Anyone else had issues or indeed built with the mentioned metal ones??
cheers

FrankM wrote:
tom w. wrote:
they exist from aluminum or steel for example from the nt1?


You can use

335081 Alu Differential Pin - Hard Coated (2)
335030 Differential Bevel & Satellite Gears (2+4)


There is no reason to be concerned before you drive or even build the car. The car has plenty of hours of track tests in different conditions. Martin Bayer even used the final specs car in real races including the Czech Championship which he won, so the reliability was tested and is proven.

Slipper clutch - if you have the slipper clutch set loose you do not need to worry, the wheels will slip and the pinion will not break. If you however tighten the slipper too much (and this is what happen to those who experienced problems) you will create a solid axle instead of slipper clutch, the wheels will not slip and something (pinion) will break. That is common on all buggies of other brands using slipper clutch in the market.

Shimming the diff - Very Important - do not ship the diff. As mentioned in other threads, the diff was designed by purpose with a small play. If you shim the diff you will eliminate the play. The diff will during operation get warm and expand and if there is no play the diff will not work properly. Therefore there should be NO shims used.

Satelitte gears - they are made by purpose from composite, they are lighter and have better dynamic performance. They are moulded from very special composite mixture and have very good reliability. The same gears from same special material are used in the T4 and NT1 gear diff and the traction on foam tires on asphalt is several times higher than on a buggy track. Since there are no problems with the NT1 gear diffs at all there is absolutely no need for any worry about the composite gears for XB4. However if you want to feel more safe you can use the NT1 metalic optional gears #335030, they are direct fit.


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Fri Dec 14, 2012 17:01:20 
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Joined: Sun Dec 09, 2012 21:14:31
Posts: 16
mario wrote:
Martin Bayer even used the final specs car in real races including the Czech Championship which he won, so the reliability was tested and is proven.


Thats all well and good but there are a lot of people that don't drive like him, In the race I saw on youtube he didn't crash, thats not what we see at local club races... there is lots of crashing there!!

mario wrote:
However if you want to feel more safe you can use the NT1 metalic optional gears #335030, they are direct fit.

Great to hear that they fit, nice to have that option if people feel its needed

mario wrote:
The same gears from same special material are used in the T4 and NT1 gear diff and the traction on foam tires on asphalt is several times higher than on a buggy track


You can't compare touring cars and buggy cars there are greater forces with the larger wheels and more grip with pins or spikes


Last edited by OneKiwi on Fri Dec 14, 2012 19:28:54, edited 2 times in total.

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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Fri Dec 14, 2012 18:10:57 
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Joined: Tue Aug 21, 2012 04:35:28
Posts: 4
Xyzzy wrote:
What is the largest pinion gear that it will accept?

Thanks!
Can anyone provide information?

Thanks!


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Fri Dec 14, 2012 19:04:47 
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Joined: Sun Dec 09, 2012 21:14:31
Posts: 16
I think with the stock ( is it 85) one I got you could fit about a 24/25 T there is a 81 i think spur gear you can get so a few teeth more.

I haven't tried larger than 22 as we don't run stock motors and we have a small tight track


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Fri Dec 14, 2012 21:32:55 
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Joined: Tue Aug 21, 2012 04:35:28
Posts: 4
I think the stock spur is 81. If so that doesn't leave much room!

Thanks for checking it out for me!


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Sun Dec 16, 2012 14:05:54 
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Joined: Fri Sep 03, 2004 11:22:56
Posts: 2497
Location: Trencin, Slovakia
OneKiwi wrote:
mario wrote:
Martin Bayer even used the final specs car in real races including the Czech Championship which he won, so the reliability was tested and is proven.


Thats all well and good but there are a lot of people that don't drive like him, In the race I saw on youtube he didn't crash, thats not what we see at local club races... there is lots of crashing there!!


That is true. The XB4 was even longer tested by the chief designer Juraj Hudy who is an average driver and crashed a lot.


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Wed Dec 19, 2012 23:39:58 
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Joined: Mon Dec 12, 2011 16:04:01
Posts: 7
This is what happend to my brothers diff the third time at the track :cry:

Guess plastic aint fantastic :wink:

Warranty???

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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Thu Dec 20, 2012 02:12:41 
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Joined: Sun Aug 10, 2008 09:58:19
Posts: 7
Location: Australia
This is a great quote!! :lol: :lol:

mario wrote:
OneKiwi wrote:
mario wrote:
Martin Bayer even used the final specs car in real races including the Czech Championship which he won, so the reliability was tested and is proven.


Thats all well and good but there are a lot of people that don't drive like him, In the race I saw on youtube he didn't crash, thats not what we see at local club races... there is lots of crashing there!!


That is true. The XB4 was even longer tested by the chief designer Juraj Hudy who is an average driver and crashed a lot.


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Thu Dec 20, 2012 09:31:25 
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Joined: Sun Dec 09, 2012 21:14:31
Posts: 16
ps71 wrote:
This is what happend to my brothers diff the third time at the track :cry:

Guess plastic aint fantastic :wink:

Warranty???


Contact the place where you got the kit from they should replace it and hopefully they will forward info onto xray for testing and or recall if they feel the need


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Thu Dec 20, 2012 16:46:35 
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Posts: 7
OneKiwi wrote:
ps71 wrote:
This is what happend to my brothers diff the third time at the track :cry:

Guess plastic aint fantastic :wink:

Warranty???


Contact the place where you got the kit from they should replace it and hopefully they will forward info onto xray for testing and or recall if they feel the need


I did contact the shop and they said that xray dont give warranty on the gears.


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Fri Dec 21, 2012 02:37:54 
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Joined: Mon Dec 03, 2012 18:32:36
Posts: 17
the build of my xb4 is ready, took a first ride in the rain..... and whaaaaaaaaaaw :twisted: :twisted:

tha car is great :!: :D :D


grtzz


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Fri Dec 21, 2012 19:15:14 
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Joined: Thu Oct 26, 2006 23:18:11
Posts: 311
Location: East London
ps71 wrote:
OneKiwi wrote:
ps71 wrote:
This is what happend to my brothers diff the third time at the track :cry:

Guess plastic aint fantastic :wink:

Warranty???


Contact the place where you got the kit from they should replace it and hopefully they will forward info onto xray for testing and or recall if they feel the need


I did contact the shop and they said that xray dont give warranty on the gears.


dude this isnt helping us you moaning about breaking a part on a rc car but have given no information on how it happened this forum isnt for asking about replacements you know your distributers is for that sort of thing. The least you could've done is relay some information on how you stripped your gears, so we are not all left as nervous wrecks when we eventually get to run the car. What happened ? what surface was you on what motor did you use was your slipper tight ? loose was there jumps? etc etc if you could tell us this atleast we could try to avoid what happned to you otherwise its just a waste of time you coming on here.

with no information my two cents would be to suggest you just loosen the slipper and give it another go.


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Fri Dec 21, 2012 21:25:02 
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Joined: Mon Dec 12, 2011 16:04:01
Posts: 7
My local distributer says no warranty so i put it on here and also send an email to xray

Sorry to not include the info for you, but here you go :wink:

Motor reedy 5.5turn and viper esc
Slipper set to 5.8mm and slips, manual says 5.5-5.7
Track is carpet with some jumps nothing big
I have used a 5.5turn in a durango at the same track without any problem, have an xray now so not happy about this problem at all.
This has however not happend to mine so it may just be bad luck.
Got the steelgears and pins today so no problem with this again i think..

Partnr 335030 & 335080 if you want the steel gears :)

Did buy this car because of the quality on xray 1/8 buggies, so this was not expected at all :?


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Fri Jan 11, 2013 18:47:01 
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Joined: Fri Jan 11, 2013 18:28:58
Posts: 6
too much motor, too tight of a slipper
no surprise you stripped gears
and not willing to work within the parameters of the car is going to be a problem no matter what brand you have


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Sat Jan 12, 2013 12:01:44 
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Joined: Sat Jan 12, 2013 11:55:38
Posts: 1
Then, what is your recomendation with the motor? I just to need to buy the motor and I don't know what turn is better for my XB4.

Many Thanks


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Sat Jan 12, 2013 12:22:32 
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Joined: Tue Jan 08, 2013 14:06:01
Posts: 5
garcade wrote:
Then, what is your recomendation with the motor? I just to need to buy the motor and I don't know what turn is better for my XB4.

Many Thanks


I'm still at a "hobby level" and I'm using a Hobbywing 8.5T which I feel is a good start. Can't even use the full power on our technical track. So I say it depends on your experience and the size of the track.


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Wed Jan 23, 2013 17:31:53 
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Joined: Thu May 12, 2005 22:12:40
Posts: 129
Location: leicestershire
Hi,Im just wondering,Xray always have a reason for doing things,why didnt they do the iner hingepin holders so you didnt need to take off the gearbox to change the inserts,with it having the comp gears,i would think having to take it off everytime on a race day would leave it open for the dirt and mess to get in,if you dont use the body mounts,the gearbox has holes in already,
this is in no way a moan,just a query,
thanks


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Thu Jan 24, 2013 04:49:37 
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Joined: Sun Aug 10, 2008 09:58:19
Posts: 7
Location: Australia
I've changed the inserts in my hinge pin holders on both front and back without taking the gearbox off. I have a pick which I use to remove the dirt from the screw heads which has a bend in it and I can push it through a little bit and then pull them out. A nitro spring hook or any rigid wire you can bend into a curve will do the trick.


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 Post subject: Re: 1/10 Electric OffRoad Buggy
PostPosted: Fri Jan 25, 2013 15:53:11 
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Joined: Thu May 12, 2005 22:12:40
Posts: 129
Location: leicestershire
I was having a blond moment :D i see they are fitted the right way to come out without taking it off :oops:


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