XRAY - Model racing cars

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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Mon Apr 28, 2014 16:10:34 
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Posts: 144
Location: UK
Oldtimeracer wrote:
Running 17.5 Blinky so would assume not quite so necessary to run really tight. However will tighten up slightly and see what happens.

Does the optional belt tensioner work?

Might well have been stones but who can tell afterwards?


The optional belt tensioner is more to stop vibration at high speed, so not really needed with 17.5. Make sure all gaps between the spool pulley teeth are clean; often crap can get squashed in there and make the belt more likely to come off.

Is it a new or used kit? Belts can soften up over time, so if its a used kit a new belt might help. Especially if its been anywhere near WD40.


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Mon Apr 28, 2014 16:56:03 
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Joined: Mon Apr 07, 2014 20:45:37
Posts: 11
Brand new car, first time out. Impressed with the car just this odd belt thing. Might well just have been a few odd stones but never had it happen before. Set up is straight kit no changes so belt tension should be correct?

Will try slightly tighter.

Do the low friction belts help at all?


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Mon Apr 28, 2014 17:57:28 
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Joined: Sun Jan 27, 2013 23:59:04
Posts: 144
Location: UK
Oldtimeracer wrote:
Brand new car, first time out. Impressed with the car just this odd belt thing. Might well just have been a few odd stones but never had it happen before. Set up is straight kit no changes so belt tension should be correct?

Will try slightly tighter.

Do the low friction belts help at all?


The low friction belts are stronger (the kit ones can snap with more powerful motors), but again with 17.5 you should be fine and I don't think it will help this issue.

Could the lipos be moving and pushing the belt? They do sit very close to the belt and the stops are pretty small. Make sure they're well taped in and that they can't ride up over the inner lipo stops (the little plastic nuts). Also make sure the belt is clear of the electrics on the other side.

Other than that I can only suggest getting an experienced Xray driver to have a look at it, in case something isn't quite right. I've been running Xrays a couple of years now on outdoor tracks and only had a belt come off once (on my wet car after it got too friendly with the WD40).


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Tue Apr 29, 2014 12:37:26 
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Joined: Mon Apr 07, 2014 20:45:37
Posts: 11
Yes the first thing I checked when it happened was that there was enough clearance between belt and everything else. It is tight but OK. Most cars these days are also fairly mean on the clearance and not had a problem before.

Have checked clean teeth etc and all ok so have gone one notch tighter and will run the car again on Wednesday so will see what happens. may well have been just an odd stone, at least am hoping so.

Thank you very much for the help.

ian


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Wed Apr 30, 2014 22:32:23 
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Joined: Mon Apr 07, 2014 20:45:37
Posts: 11
Ran the T4 tonight for the first time in real anger. Equalled my best time ever with it and have to say I have never had a car that can be raced so hard and still hang in there as this one does. I am seriously impressed.

Ran with the belt one notch tighter than kit and had no problems at all all evening so guess it was either a stone or just unlucky. Certainly seems to be OK now.


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Tue May 06, 2014 12:16:53 
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Posts: 11
Strangely on Sunday I had the same problem. 5 laps in to a race the front belt popped off. Put it back on and had no more trouble but it is kind of worrying. Will try the low friction option next. Cannot see anything that would have caused it.


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Sun Jul 13, 2014 00:40:47 
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Joined: Sun Jul 13, 2014 00:24:25
Posts: 5
Hi Paul,
I recently bought a Xray T3 2012 (to retire me old TC3) for my 17.5 touring stock class. I am looking for a balance set i can use both on carpet during the winter and as well on for the summer when are asphalt track is dry. would you happen to know a good balanced setup? we all run rubber tires not allowed foam.

Thank you for your time!


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Sat Oct 04, 2014 11:09:12 
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Joined: Tue Jan 03, 2012 17:52:47
Posts: 25
IS THERE GOING TO BE A NEW SET UP BOOK FOR THE T4'2015 ETC :roll:

THAT WILL HELP WITH THINGS SUCH AS THE
ECCENTRIC BUSHINGS
ARS SYSTEM
UPPER CAMBER LINKS IE NEW BULK HEADS ETC

MANY THANK


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Mon Oct 27, 2014 01:01:06 
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team driver
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Joined: Fri Sep 10, 2004 19:27:57
Posts: 972
Location: Sweden
colin05011981 wrote:
IS THERE GOING TO BE A NEW SET UP BOOK FOR THE T4'2015 ETC :roll:

THAT WILL HELP WITH THINGS SUCH AS THE
ECCENTRIC BUSHINGS
ARS SYSTEM
UPPER CAMBER LINKS IE NEW BULK HEADS ETC

MANY THANK


Martin will make some updates regarding ARS. Stay tuned.


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Thu Jul 13, 2017 20:17:31 
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Joined: Thu Jul 13, 2017 20:10:57
Posts: 2
On black carpet would the Xray or Avid T4 '15 aluminum chassis be better?


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Mon Jul 24, 2017 15:09:00 
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Ran the T4 tonight for the first time in real anger. Equalled my best time ever with it and have to say I have never had a car that can be raced so hard and still hang in there as this one does. I am seriously impressed.
Next Level 6051 Tee


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Wed Jul 26, 2017 13:46:06 
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team driver
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Joined: Mon Apr 18, 2005 02:32:27
Posts: 49
Location: USA
Megatron328 wrote:
On black carpet would the Xray or Avid T4 '15 aluminum chassis be better?


Hi Megatron,

Paul doesn't get on the forums much anymore because he is very busy with his companies Gravity RC and Motiv RC. For the T4'15 on black carpet you might prefer the Xray aluminum chassis. The Xray aluminum chassis is stiffer than the Avid aluminum chassis and should be more consistent and easier to drive, which is required for the high level of traction on black carpet.

Hope that helps,
Robbie


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 Post subject: Re: Q&A with Paul Lemieux
PostPosted: Wed Jul 26, 2017 21:56:46 
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Joined: Thu Jul 13, 2017 20:10:57
Posts: 2
That definitely helps, thank you.


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