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Old 03-11-2007, 08:19 PM   #3271
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Originally Posted by macnkitty2002
what? did you get that stuff for free or something?
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Old 03-11-2007, 09:05 PM   #3272
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Originally Posted by macnkitty2002
http://www.amainhobbies.com/product_...oducts_id/5408

does this help?


well i certainly had a great day of racing today. 2nd race meet of the season, much warmer than the 1st race, 67f and sunny. i had a terrible time at the first race, so i felt the urge to redeem myself. i was just installing my engine back into the buggy a few minutes before i left for the race, so i did not know what to expect. i made a few changes to my setup from the last time, so i hoped they would make a difference.
i always start off the day well when my engine gear mesh is correct! (haha, that was a joke, ok not really ). i made a few practice runs and changed a few things here and there like ride height and front toe. i my buggy seemed to push more as the track dried out, so i switched to crime fighters in the rear and kept my K2s on the front. with this i was able to throw the rear end around more easily and pivot around the 180s we have on my track. however, the track got drier and the rear slipped a little too much, so i went back to K2s all around.
three rounds of heats came and went, with me getting the lucky draw every time (being pitted against the bad drivers ). i made quick work of the competition and grabbed the TQ for the day. however my engine could not hold a tune, whenever i would get it right just after a race, i would start it back up for my next qualifier and the engine would bog again (sometimes a lean bog sometimes a rich bog). i think i have a faulty front bearing that has an air leak because there is a lot of oil under my engine and especially around the flywheel. however, slow is fast as i went on to win the A main quite handily. i kept the car on the track (unlike a majority of the other racers) and drove nice and smoothly with a bogging engine. my only competition was the track owner, whose engine was way lean and he slid around all over the place. quite a good day indeed.
congrats on the win, my friend!
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Old 03-11-2007, 11:25 PM   #3273
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Originally Posted by RCRacing.com.au
Ok i am trying something different and i'll explain why shortly.
This time i filled the shocks and bled all the air out.
When i put the cap on i pushed the piston right to the top but still under the oil so no air gets in again.
I then put the cap on while holding the bottom of the shock on the table so as to keep the piston right at the top.
I now have only about 1/5th of the shock pre-load rebound.
My aim is to to to take out as much "Pre-Load" as possible and here is why.
If you have pre-load then it gives extra spring to the shock.
That then gives you a false reading of how much the springs will bounce the car back up.
In other words it makes your shocks more springy than they would be with no oil in them and just working on the springs.
My theory is to let the spring do the springing and the oil is to just dampen the shock to control the speed of the piston travelling.
With the springs i am gong to try something different also.
The yellow springs are softer than the red and when you lay your shocks down it makes the shocks more progressive.
I am going to go to yellow springs and lay the shocks to the outside holes on the bottoms.
I am running 40wt front and 30 wt rear Losi Oil also as our track is pretty bumpy at the moment.
When you lay your shock down your car also becomes more stable in high speed corners.
I just hope it works
Give me your thoughts on this set up please.
Very interesting discussion you guys have. Maybe a good time to get some answers.
I have been experimenting with shocks on the X1. I have tried several pistons and springs and shock oil weights.
From my experience I find the X1 likes shock oils 60 or 50 Front and 40 rear.
For me 60 front works very well. I use red front and yellow rear.
What works for you guys?
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Old 03-12-2007, 03:48 AM   #3274
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Im with you Jerseyboy ... for me the best performance on the Jammin shocks is using 60 - 45 range of oils, right now my shocks are filled with front 50wt and rear 45wt on red stock springs ...

cya,
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Old 03-12-2007, 04:19 AM   #3275
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Quote:
Originally Posted by Tabushi
Im with you Jerseyboy ... for me the best performance on the Jammin shocks is using 60 - 45 range of oils, right now my shocks are filled with front 50wt and rear 45wt on red stock springs ...

cya,
For me feeling guys cars at the track running Kyosho, Mugen,GS Hyper8 etc
They all tend to go for the lighter shock wt like 35F 30 rear.

I must say anything lower than 40 rear doesnt feel right and in 30min main the rear becomes very bouncy.(as oil heats up)
If I go lower than 40 in front the front tends to be nose down over jumps.
I like the car must be level to nose up on all jumps big or small.
The best as I said before was 60F red springs --40 rear Red springs.
or 50F red springs--- 40 rear Yellow springs.

Tabushi have you tried softer? What was your experience?
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Old 03-12-2007, 04:27 AM   #3276
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Quote:
Originally Posted by Tabushi
Im with you Jerseyboy ... for me the best performance on the Jammin shocks is using 60 - 45 range of oils, right now my shocks are filled with front 50wt and rear 45wt on red stock springs ...

cya,
what brand of oil, and how rutted s your track? cheers
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Old 03-12-2007, 04:42 AM   #3277
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For Shock Oils i run Losi Oil as it is probably the most consistant.
It doesn't change viscosity in a long race at all.
I've heard Associated is excellent too.
I have done 30-45 minute A-Main Finals and no problems.
Our track is a bit rough now so i have been experimenting with lighter oils to let the shocks work faster over the bumps.
I used to run 50f -40r then went to 45f -35r which is also good.
I tried the yellow springs but they felt pretty soft.
Probably too soft actually and that was with 40f - 35r oils.
You could go 50f - 40r with yellow springs which might slow them down a fraction..... hmmm i just might be onto something here.
Also try doing your shocks up with the shaft compressed fully so you have little rebound.
There are so many different set ups from so many drivers but they are all on different tracks and most people have different driving styles too.
One thing i learnt was to set the front ride height lower than the rear.
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Old 03-12-2007, 04:50 AM   #3278
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Quote:
Originally Posted by TomB
what brand of oil, and how rutted s your track? cheers
TOMB I use mostly Ofna oils only. If Cannot get I use GS oils.

My track is loose and rutty. My experience is that my setup will work on almost any track except grass or smooth high traction tracks.

Check the track has been changed now but gives an idea.
Attached Thumbnails
Jammin X1 - so close yet so far-cectrack.jpg  
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Old 03-12-2007, 05:04 AM   #3279
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Jerseyboy that's a wicked looking track man!
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Old 03-12-2007, 05:16 AM   #3280
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Quote:
Originally Posted by Jerseyboy
OK Guys hope you enjoy the video clips. My son took them.
The track is rutted and very loose with sand lying on the track.
My car is using my practice prepainted Jammin body.
Here is 2 links:

http://www.youtube.com/watch?v=dFiTpC_W4Xg

http://www.youtube.com/watch?v=ErGZnWqh3-M
RCRacing.com.au
This video will give you a good idea of my challenges. Have alook and tell me what you think.
PS: the track was changed recenlty. This comming Sunday we will be racing and I will take a movie for you to see.
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Old 03-12-2007, 05:35 AM   #3281
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Link please...
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Old 03-12-2007, 08:45 AM   #3282
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i agree that the Jammin shocks with stock pistons like the higher weight oils. i use a thicker oil because my track is very flat and smooth, so i usually do 55 front and 45-50 rear. i might go thinner this year since most of the tacky clay the track owner trucked in has washed away over the winter so now it's more sandy. it will help the buggy to shift it's weight more and therefore get better traction on the slippery surface.
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Old 03-12-2007, 09:45 PM   #3283
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Quote:
Originally Posted by RCRacing.com.au
One of the guys at our club ran the back shocks layed down and he blitzed everyone.
errr.. is he making brutal laydown like this..??

as for me, i dont care about anything.. just love to be different..hehe
Attached Thumbnails
Jammin X1 - so close yet so far-alumni-mes-1976-jammin-x1r2-047.jpg   Jammin X1 - so close yet so far-alumni-mes-1976-jammin-x1r2-058.jpg   Jammin X1 - so close yet so far-alumni-mes-1976-jammin-x1r2-032.jpg   Jammin X1 - so close yet so far-alumni-mes-1976-jammin-x1r2-027.jpg   Jammin X1 - so close yet so far-alumni-mes-1976-jammin-x1r2-034.jpg  


Last edited by arghh; 03-12-2007 at 11:17 PM.
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Old 03-12-2007, 09:52 PM   #3284
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so arghh... u got your own X1R2 model now, eh
nice shots... deserve to be in the blog collection again!
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Old 03-12-2007, 10:16 PM   #3285
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TRY THIS ARGHH...


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