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Team Losi JRXS Type-R

Old 10-26-2009, 09:10 AM
  #10846  
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Originally Posted by Giorgio View Post
Well, fellow Losi drivers...

Some sneak preview of the chassis.

Chassis itselfs is in his final form (99%). It's full of subtle things that the JPG doesn't show...

Upper deck is his first review, some more job to be done...
an I dea I had was milled out a pocket on the chassis where trasponder seats under a front diff so we can monunt a TP like the 1/12th scale, but still protected by thin layer of carbon layer.
Attached Thumbnails Team Losi JRXS Type-R-gen-xx-serv-sav-800.jpg  

Last edited by SweepRacingUSA; 10-27-2009 at 05:44 PM.
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Old 10-26-2009, 09:45 AM
  #10847  
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Is there a layshaft that provides more clearance for the lipos? I am using Orion's 3800. I narrowed my pulleys and added a washer on each side to give me about 2mm more clearance but its still cutting grooves in my case from the pulleys. Does the Jrxs shaft give more clearance? Also what fans are being used to mount around the motor? Any feed back would be greatly appreciated. Thanks in advance.

Ps I did try the search button prior.
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Old 10-26-2009, 09:56 AM
  #10848  
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Dragonfire

Main chassis is different in the front/rear area, where the section is wider, this is the major one.

A nice difference is the battery area, even if look the same. It has been stretched out a bit, so the battery holder will not interfere (or at least...less) wth the chassis torsion.

For the flexi people, I can have it made in 2 versions, full carbon and carbon/glass/carbon. It's a touch heavier, but is more flexi.

da_John_wee
I've think about pocketing some areas. I've to speak with the carbon fiber guy about it.
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Old 10-26-2009, 10:00 AM
  #10849  
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Originally Posted by Dragonfire View Post
I tried the 41t front pulley when I 1st got the car and never liked it. Try just changing the pulley with no other setup changes and see how it goes.
what is the on track difrence between the 41t and 42t pulley
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Old 10-26-2009, 12:04 PM
  #10850  
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Originally Posted by wild_bill View Post
Is there a layshaft that provides more clearance for the lipos? I am using Orion's 3800. I narrowed my pulleys and added a washer on each side to give me about 2mm more clearance but its still cutting grooves in my case from the pulleys. Does the Jrxs shaft give more clearance? Also what fans are being used to mount around the motor? Any feed back would be greatly appreciated. Thanks in advance.

Ps I did try the search button prior.
Just go back over the last 30 odd pages and you will read about the "flying fox layshaft". Its a replacement layshaft that uses the standard pulleys but spaces them further out and also incorporates a spur gear holder so you can run most normal size spur gears.
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Old 10-26-2009, 12:09 PM
  #10851  
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Originally Posted by metalracer2 View Post
what is the on track difrence between the 41t and 42t pulley
I found it similar to running a shorter top link at the front. More initial steering but understeer mid corner. It was rather "loose" feeling.
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Old 10-27-2009, 07:57 AM
  #10852  
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Has anyone tried putting the 41t pulley in the rear of the car and a 42t spool pulley up front?
I was just wondering what it would do.
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Old 10-27-2009, 09:17 AM
  #10853  
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Originally Posted by metalracer2 View Post
Has anyone tried putting the 41t pulley in the rear of the car and a 42t spool pulley up front?
I was just wondering what it would do.
It would handle like a nitro car with 60mm rears and 55mm fronts, except the nitro car would get better over the course of the race as the rear tires wore down, whereas your car wouldn't. Bascially, it would be terrible everywhere.
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Old 10-27-2009, 09:25 AM
  #10854  
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Originally Posted by Giorgio View Post
Well, fellow Losi drivers...

Some sneak preview of the chassis.

Chassis itselfs is in his final form (99%). It's full of subtle things that the JPG doesn't show...

Upper deck is his first review, some more job to be done...
Don't forget the balancing pin holes!
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Old 10-27-2009, 09:26 AM
  #10855  
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Originally Posted by Greg Sharpe View Post
It would handle like a nitro car with 60mm rears and 55mm fronts, except the nitro car would get better over the course of the race as the rear tires wore down, whereas your car wouldn't. Bascially, it would be terrible everywhere.
I found a foam car is always easier to drive (not always faster) with larger rears so going by that a 41t pulley on the rear will make you understeer.
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Old 10-27-2009, 12:27 PM
  #10856  
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wouldn't a 41t rear make the car want to snap spin off power? I'm thinking with the weight riding on the nose and the rear wheels trying to spin faster than the fronts.
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Old 10-27-2009, 01:03 PM
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Originally Posted by MikeXray View Post
wouldn't a 41t rear make the car want to snap spin off power? I'm thinking with the weight riding on the nose and the rear wheels trying to spin faster than the fronts.
I don't know for sure... Its not something I have played with. I hace always found that balance onlong with good setup gives performance. Having one end of the car constantly trying to overtake the other dosen't seemed balanced to me so I would tend to stay away from it anyway.
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Old 10-27-2009, 05:36 PM
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Trust me, running overdriven rear wheels is not something you'd want for an entire 6 minute race with rubber tires on asphalt. We "deal" with it running nitro on foam because we have to, but that's only because our rear tire wear is so manically wild.
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Old 10-28-2009, 04:10 AM
  #10859  
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Hy guys.
Try this..........without cut or "dremeling" something
Raise the top deck of 6 mm; turn upside-down the servo; install on the servo a servo saver like 1/12/ style; go on your local track and drive...
ciao ciao
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Old 10-28-2009, 04:19 AM
  #10860  
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PICS!
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