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Losi xxx-4

Old 03-21-2004, 07:54 PM
  #376  
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That's why I'm thinking it may jus tbe a driver thing. I suck! I just hope they take it out before next week end. They're usually pretty good about listening to the drivers about the layouts.
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Old 03-21-2004, 10:13 PM
  #377  
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Originally posted by jkerr0043
Anyone notice that this car is horrible with rythem sections? I'm sure it's a 4wd thing but my track setup a 6 jump rythem sectionvery close to each other. What seems to keep happening is the car wants to come down nose first on the back side of the second jump if I'm trying to double, double, double it. With the front wheels driving though when they hit first, even though I've got perfect distance on the jump to come down smoothly, the front wheels grab and pull the rear end down , casing the back end on top of the jump. Anyone else have this problem? Dou you think a oneway in front would help this? I really don't want to have to do much for major setup change because the car is strapped everywhere else on the track.

jkerr i'm not sure about your problem but from what i have experienced was on the rhythm sections my car was horrible when i ran it with the stock ride height. i adjusted my ride right with the front end higher than stock settings. i set the front arms level (the "graphite" word on each arm should be aligned with each other). and i didnt have any problems with the 6 bumps.
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Old 03-22-2004, 06:17 PM
  #378  
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Hey Jon, I did a lot of 4wd racing a few years ago. I think one of the real tricks is to land the car with neutral throttle, as soon as I drove your car a little bit I felt right at home with it, drives just like a 4wd should, just maybe a little underpowered from what I'm used to. I'll come to hang out Friday and try to help you with some setup advice. I'd still say it would be a good idea to pick up a couple pairs of step pin tires and I'll cut one down for you, that'll help you tighten up the lines a little bit and you should still be able to clear everything with the extra traction.
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Old 03-22-2004, 06:34 PM
  #379  
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That sounds good. I may be able to get the tires, we'll have to see.
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Old 03-22-2004, 06:57 PM
  #380  
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Originally posted by jkerr0043
That sounds good. I may be able to get the tires, we'll have to see.
Cool, I'll be there on Friday to hang out for sure.
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Old 03-22-2004, 06:58 PM
  #381  
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BTW, your PM box just filled up.
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Old 03-22-2004, 07:02 PM
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I know, It's clear now
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Old 03-23-2004, 06:11 AM
  #383  
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can you post pics of your local tracks?
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Old 03-24-2004, 06:22 PM
  #384  
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Im also new to the XXX4. I got my G+ a couple of weeks ago, finally got it running the other day. it's had 2 battery packs through it now and when I was changing the motor today I noticed the belt was making a scrubbing sound. So I pulled it apart trying to solve the problem and I can't seem to find it.

It's definatly happening around the belt tensioner/pulley area, and wont go away despite the where the tensioner is set. Can anyone help? The Australian Nationals are coming up in a little over two weeks and I'm worried im not going to have this car sorted out in time
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Old 03-24-2004, 08:21 PM
  #385  
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I found 2 things when putting mine together.

1. I put the small spacer that seperates the tensioner from the slipper assembly on backwards and it caused the two to rub together.

2. The belt itself makes an unusual noise when rolling the car without any tension on the belt (ie no motor). If the car rolls freely and the belt does not slip etc, and there is no sign of unusual wear on the belt then I wouldn't worry about it.

If you're in Sydney and you have a chance, drop down to Castle Hill Pro-Am on the weekend and I'll have a look at it for you.
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Old 03-24-2004, 08:54 PM
  #386  
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The noise could be from the belt rubbing the side of the slipper nut, thhe slipper rubbing the tensioner arm, etc... So try shimming the whole slipper assembly over one way or the other way by moving the 2 little shims around until it's where you like it and it doesn't rub anything.
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Old 03-26-2004, 03:45 PM
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Thanks for the help guys, I'll have a bit of a play with the spacing and see what happens

Andrew: I'll be a Castle Hill on Sunday, I'm the bloke with the white Astra
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Old 03-27-2004, 07:13 AM
  #388  
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I took a big jump and landed kind of on the rear wheels when it landed and this is what happened... Seem like Losi may need to add a little meat to the chassis.
Attached Thumbnails Losi xxx-4-picture.jpg  

Last edited by mike_Webb; 03-27-2004 at 07:29 AM.
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Old 03-27-2004, 08:00 AM
  #389  
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OUCH!
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Old 03-27-2004, 08:01 AM
  #390  
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Should of heard the noise it made when it cracked . I bet people a block away could hear the crack!!!
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