2Likes3Racing Sakura Zero S
08-03-2012, 05:54 PM
#1861
FDR is the Final Drive Ratio. FDR = Spur/pinion x internal ratio. sakura internal ratio is 1.90.
from my experience, i run 3.5 to 4.0 for 17.5 . check the motor temp after each run... i try to keep it between 160-170F ...
as for the pinion, what's the cloest one to 38t you have in your pit box? 38t might be too big. Build the car first and see how much room u have. I think you might need a smaller spur.
from my experience, i run 3.5 to 4.0 for 17.5 . check the motor temp after each run... i try to keep it between 160-170F ...
as for the pinion, what's the cloest one to 38t you have in your pit box? 38t might be too big. Build the car first and see how much room u have. I think you might need a smaller spur.
08-03-2012, 05:56 PM
#1863
yes 19t pully and 38 would make it 2.0.
08-03-2012, 07:35 PM
#1865
Thank you. will yeah racing spurs fit?
Do you think 76 spur with 42 pinion @ 3.619 would be to low of a FDR. I am running 3.5 in my yokomo and the motor does not get above 150 after a 10 min main.
Do you think 76 spur with 42 pinion @ 3.619 would be to low of a FDR. I am running 3.5 in my yokomo and the motor does not get above 150 after a 10 min main.
Last edited by ZERTA RACING; 08-03-2012 at 07:56 PM.
08-04-2012, 12:43 AM
#1866
Tech Master
Without more info I can only guess your car is doing what mine did when new. Go with a stiffer spring up front and a softer in the rear. Try a 5.0 in the front and a 6.0 in the rear. Adjust the droop to 2mm front and 2mm rear. This will give you a decent starting point and will hopefully start to get that drift under control.
08-04-2012, 01:16 AM
#1867
As vette said, go 6.0 or even 6.5 depending on your grip level and driving style. If you dont have 3Racing springs available, try tamiya blue or yellow springs for a mini (if you have them...)
Narrowing the rear with the XI arms, or narrow blocks (XI arms are cheaper..) will also help, but check those other things first.
08-04-2012, 03:06 PM
#1869
Tech Adept
hello im thinking on using this car in open mod (good or bad ideal?)
but not sure on what motor to run (first time club is going open mod)
im thinking 8.5 but not sure on gearing ...what would you guys use?
but not sure on what motor to run (first time club is going open mod)
im thinking 8.5 but not sure on gearing ...what would you guys use?
08-07-2012, 09:20 AM
#1870
New 3racing SSK Driveshaft came out.
http://www.tqrcracing.com/shop/produ....asp?p_id=4351
FYI, Thanks.
http://www.tqrcracing.com/shop/produ....asp?p_id=4351
FYI, Thanks.
08-08-2012, 11:40 PM
#1871
New motor mount root for the XI, give's some more room for the pinions, has mounting holes in accessible places even with a very small spur. Its similar to the modified kit motor mount option for the S. Just like any XI motor mount, you will need to move the motor mount root hole forward 3mm to fit onto a zero/s chassis.
This is on my DH, but I do have a 2nd one on the way I will fit to my hybrid.
This is on my DH, but I do have a 2nd one on the way I will fit to my hybrid.
08-09-2012, 04:06 AM
#1872
sir Wollow86
nice XI you have there. By the way if you have your S hybrid with the XI new motor mount please post pictures so that we would have an idea how to convert it.
I also want that new motor mount because of the spur mount that has a button screw for the top deck.
Thank you!
nice XI you have there. By the way if you have your S hybrid with the XI new motor mount please post pictures so that we would have an idea how to convert it.
I also want that new motor mount because of the spur mount that has a button screw for the top deck.
Thank you!
08-09-2012, 06:21 AM
#1873
sir Wollow86
nice XI you have there. By the way if you have your S hybrid with the XI new motor mount please post pictures so that we would have an idea how to convert it.
I also want that new motor mount because of the spur mount that has a button screw for the top deck.
Thank you!
nice XI you have there. By the way if you have your S hybrid with the XI new motor mount please post pictures so that we would have an idea how to convert it.
I also want that new motor mount because of the spur mount that has a button screw for the top deck.
Thank you!
I currently have the original XI lower chassis on my hybrid, with the zero vertical motor mount. The only difference there is I needed to move the hole for the root arm rearward by 3mm. The opposite would be needed to run the XI motor mount (either of them) on the zero/zero s chassis. I'll snap a photo of my very shonky (almost destroyed it) job of moving the hole when I get the other new motor mount for the hybrid. Should be next week some time.
08-09-2012, 10:39 PM
#1874
Okay thanks! I wanted to use the original motor mount of the zero but it has no screw on top of the spur carrier for the top deck. I also dont like to use the vertical motor mount for the S because of the swapping position of the belt to the other side. i also want to have a low center of gravity. Im planning to run my S in the 13.5 class.
08-10-2012, 01:18 AM
#1875
Okay thanks! I wanted to use the original motor mount of the zero but it has no screw on top of the spur carrier for the top deck. I also dont like to use the vertical motor mount for the S because of the swapping position of the belt to the other side. i also want to have a low center of gravity. Im planning to run my S in the 13.5 class.
I wouldn't think the CG would be effected to much by the motor mount, seeing as the motor is still up there anyway...
But in any case there is a lot more room with the new mount. I got my pinions today, easily fit a 47 with the 60. There's a little room to spare, 50-51 should be no problem if you wanted to. I have found though that fitting anything larger then about 43 starts to get tricky, you would need to remove the top deck, and trial and error you way through motor position.
Last edited by wollow86; 08-10-2012 at 01:50 AM. Reason: Pinion info.