Losi XXX-S

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Old 02-28-2002, 01:15 AM
  #2071  
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Default Re: Gearing/shock ?

Originally posted by MDM3
I was thinking of starting with a 25 or 26 pinion with a new P2K2 Pro.

I have now 24-27 pinions. running the 90t 48spur. fairly tight LHS parking lot track The LHS guy tells me I am crazy "Way too overgeared for running that setup. Drop to a 19 or 20"
I have to agree with the general concensus, 90/19-20 is *way* too low for a P2K2... unless you're track is 25x25. Ask the local racers what gearing they run. For reference, on a large carpet track (120x48, where longest straight is usually 2/3 to 1/2 length) I run about a 90/19 with a hot Luna 10x2 and 90/25 with a well maintained P2K.

Last edited by seamus0g; 02-28-2002 at 03:13 AM.
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Old 02-28-2002, 01:19 AM
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Default Re: Graphite Conversion

Originally posted by Ill Factor
Does anyone know how much weight the Graphite conversion kit drops?
A little over 1 ounce. Mine was nearly 1.5 ounce lighter than the stock chassis. Your results may vary.
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Old 02-28-2002, 01:23 AM
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Originally posted by Doug Gaut
The part number for the aluminum cvd drive shaft is A-9971.
ChadK and Doug - thanks for the info!

mdawson - this is a good bit of info for the XXXS FAQ.
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Old 02-28-2002, 01:37 AM
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Originally posted by Doug Gaut
On the one-way questions. I had a problem with my outdrives after I installed the retaining rings because it squeezed them a little and bound up on the ball. I took a flat file and removed a (very) small amount of material on both sides. It takes no time at all. Now everything is free.
I've had the same prob and used the same solution.


Now I have a question. What type of lube should be used on the one-way bearings? I used diff lube but was just wondering if there is something else I should be using?
Don't lube them. They come lubed from the factory and I've put some serious mileage (racing twice a week for 3 months) on them and the only failure was the result of a high speed, on-power incident with a immovable corner that grenaded one of the plastic bearing cases (along with the C hub, and dogbone).
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Old 02-28-2002, 01:47 AM
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Default Ti Screws

If anyone puts together a complete Titanium screw set, or know of a place in the US to get one, I'd also be interested.
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Old 02-28-2002, 03:34 AM
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what brands of spur gears will fit the red aluminim spur gear adapter? i have the white robinsons spurs and black kimbrough spurs. will these fit without modifications? or are they too thick and will rub the belt and chassis sides? thanks for any info
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Old 02-28-2002, 04:20 AM
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I know that Trinity gears will fit.
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Old 02-28-2002, 06:25 AM
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kansasracer, yes this is what I run at BS. It is the basically the setup I got from eroc. I forgot droop 3 front 4 rear.
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Old 02-28-2002, 06:47 AM
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Originally posted by marvi
what brands of spur gears will fit the red aluminim spur gear adapter? i have the white robinsons spurs and black kimbrough spurs. will these fit without modifications? or are they too thick and will rub the belt and chassis sides? thanks for any info
Trinity and Integy will fit. Both Robinson and Kimbrough will rub the white pulley.......Unless they both have come out with narrow gears in the last couple of months.


seamous- Are you racing this Saturday???
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Old 02-28-2002, 06:56 AM
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NOT TITANIUM BUT... CHECK THEM OUT...

http://cgi.ebay.com/aw-cgi/eBayISAPI...tem=1709126513
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Old 02-28-2002, 07:53 AM
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STLNLST & marvi: The RRP thin gears work fine...

http://www.robinsonracing.com/catalog/64pitchspur.html

"Super Machined Spur Gear"

"Our Super Spurs are precision machined from tempered plastic for unequaled strength and durability. They're l/3 lighter and thinner than our standard spurs for a lower rotating mass and quicker throttle response. "
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Old 02-28-2002, 12:41 PM
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Hey guys, I need some advice in how to get better low speed cornering (carpet track). My car is great in the sweepers but gets alittle bogged down in the hairpins and coming out of the chicanes. I have to blanket the inside line to keep the Schumachers from passing me. Here's my current setup. Any advise is appreciated.

Front:
One-Way
all the way in on the shock tower
2nd from the inside hole in the camber link
green spring
60 wt oil
-1 camber
4degree blocks
2F kickup
LRC
5mm ride height
0 toe

Rear:
2nd hole from the inside of shock tower
all the way in on the camber link
blue spring
60wt oil
-1 camber
2R anti squat
LRC
5mm ride height
1/2 degree blocks on the right way

Motor:
P2K 90/23

Tires:
Sorex 24R with med inserts all around
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Old 02-28-2002, 06:40 PM
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Seamus0g Thanks. Chownr did you get the site I e-mailed?
I found another P2K2 Pro with better #
30,095
132.0 watts
68.1 eff.
174 trq.

On paper it seems a lot better than this one:
28,262 120.8 watt,67.7 eff.,165 trq
Question. Since new to TCs, Should I be looking at Torque and Watts more than RPM or Eff. when choosing a stock motor? Especially for a parking lot track? Is this the wrong place to be asking

If this is driving the experts crazy,is there a recommended site that I can read up on some of the fine tuning and quit asking the newbie type ??
The main thing is getting the driving skills back and worry about the little stuff later. Now if Losi would send the parts I am missing. Should have been here this morning I could have been out practicing instead of tieing up your board.

It just seems like TC is a bit different than the old RC12 I ran in the 80's.
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Old 02-28-2002, 06:40 PM
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STLNLST - Yep, I'll be there Sat. I had to run stock on Wed since none of the mod gang showed up... almost fell asleep on the drivers stand the car was so slow. LOL
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Old 02-28-2002, 06:58 PM
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Originally posted by MDM3
Question. Since new to TCs, Should I be looking at Torque and Watts more than RPM or Eff. when choosing a stock motor? Especially for a parking lot track? Is this the wrong place to be asking
It depends on the track. Fast wide open flowing tracks call for high rpm motors and small tight tracks like lots of torque.

And every question you have (or will have in the future about making fast R/C motors has been answered by Big Jim. Check out his excellent motor thread on HobbyTalk (http://www.hobbytalk.com/bbs1/Forum3/HTML/000868.html) as well as his site (http://bigjimracing.topcities.com/). Good stuff.
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